Well Spots (0)
Wells by Operator (1)
| $20 Bill Syndicate |
| 100805 Exploration USA, Inc. |
| 20 Mile Basin Oil & Refining Co. |
| 240 Acre Syndicate |
| 31 Petroleum Corp. |
| 406 Farms LLC |
| 56 Petroleum Corp. |
| 67 Petroleum Co |
| 79 Oil Company |
| <Null> |
| A & G Oil & Gas |
| A A Oil Corporation |
| A M 2 Oil |
| A P Consolidated |
| A S & P Oil |
| A&S Mineral Development Company, LLC |
| A-One Petroleum |
| A. B. Energy LLC |
| A.B. Singleton, Et Al |
| A.S. Smith Et Al |
| ANG Holding (USA) Corp. |
| ANR Production Company |
| AP Petroleum Company LLC |
| Aakre, Inc. |
| Abell Oil Co. |
| Aberdeen Petroleum (USA), Inc. |
| Aberdeen Resources Corp |
| Able Oil |
| Abraxas Petroleum Corporation |
| Absaroka Oil Development Co. |
| Ace Oil Company |
| Ace Rig & Construction Co., Inc. |
| Ace Syndicate |
| Ackerman, R J |
| Ackman-Schulein & Assoc., Ltd. |
| Adams Company, Inc. |
| Adams J H |
| Adams Land Co. |
| Adams Oil Co. |
| Adams-Hope |
| Adams-Latvale |
| Adanac O. & G. Co. |
| Adaskavich, Stephen |
| Adkins Etal |
| Adlon Oils & Mine |
| Adobe Resources Corporation (Adobe Division) |
| Aerolite Oil Co |
| Aesop Partnership |
| Aetna Oil Company |
| Agen Oil Partnership |
| Agen, J. H. |
| Aiken, Russell and Corinne |
| Aikins Drilling Company |
| Aikman Bros. Corporation |
| Air Drilling Services |
| Ajax Oil Co |
| Al-Aquitaine Exploration |
| Alane Oils, Ltd. |
| Albermont Petroleum Ltd. |
| Alberta Black Coal |
| Alberta Development Co. |
| Alberta Pacific Consolidated Oils, Ltd. |
| Alcoil Expl |
| Alert Oil Co. |
| Alexander Syndicate |
| Alexander, H. F. |
| Alger, Etal |
| All Minerals Inc |
| Allardyce & Wheat |
| Allardyce, R. L. |
| Allen Oil Co. |
| Allen, R. |
| Alliance Exploration & Production, Inc. |
| Allied Montana Oil Co. |
| Allison, B. F., Etal |
| Allison, Glen |
| Alme, Henry A. |
| Aloe's Big Five Oil & Gas Synd. |
| Alpar Resources |
| Alpha Petroleum Corp. & James C. Larson, III |
| Alpine Oil |
| Alta Vista Oil Corporation |
| AltaMont Oil & Gas Inc. |
| Alturas Energy LLC |
| Altus Expl |
| Am. Legion Post 57, Malta |
| Amalgamated Oil & Gas |
| Amarala Pet |
| Amarco Resources |
| Amarex, Inc. |
| Amarillo Oil |
| Amax Oil & Gas Inc. |
| Ambassador Oil |
| Amerada Hess Corporation |
| American Climax |
| American Climax-Barker |
| American Exploration Company |
| American Hunter Exploration Ltd. |
| American Indian Oil Company |
| American Land & Investment Inc. |
| American Metal |
| American Midwest Oil & Gas Corp. |
| American Minerals |
| American Petrofina Co. Of Texas |
| American Quasar Petroleum Co. Of New Mexico |
| Amerind Oil Company |
| Amervada Petroleu |
| Ames Oil & Gas |
| Amick & Willis |
| Amick, R. M. |
| Aminoil Inc. |
| Amoco Production Company |
| Amy Oil |
| Anaconda Company, The |
| Anaconda-Kevin Oil Co. |
| Anadarko E&P Onshore, LLC |
| Anadarko Minerals, Inc. |
| Anadarko Petroleum Corporation |
| Anchor Bay Corporation |
| Anco Production Co. |
| Anderman Operating Co., Inc. |
| Anderson Exploration Ltd., Anderson, J.C. |
| Anderson F R |
| Anderson Gerald H |
| Anderson Oil Company |
| Anderson Petroleum, Inc. |
| Anderson Robert E |
| Anderson Roy G |
| Andover Resources Corporation |
| Andrau, W. E. |
| Andrews, J. E. |
| Anglo-American Oil Co. |
| Anna May Oil Co. |
| Annand-Hutching Cut Bank Syndicate |
| Anschutz Corporation, The |
| Anschutz Exploration Corporation |
| Antares Oil |
| Antelope Dome |
| Antelope Oil Co Inc |
| Antelope Resources, Inc. |
| Antonioli, Peter |
| Apache Corp |
| Apache Corporation |
| Apache Energy Resources Corporation |
| Apache Gas Company |
| Apache Western Exploration LLC |
| Apco Oil Corp. |
| Apex Energy LLC |
| Apex Energy, L.L.C. |
| Apexco Inc |
| Appell Drilling |
| Appeman Ralph |
| Appling, J. B. |
| Aquarius Oil And Gas Corporation |
| Arab Oil |
| Arch Apex Oil Corp |
| Arch Oil Co |
| Archer C L |
| Arcus Oil Company |
| Arex Oil |
| Argo Oil |
| Argonaut Energy Corp. |
| Aries Oil Co |
| Arkansas Natural Gas Co. |
| Armells Petroleum Company |
| Armour Lacy |
| Armstead-West Oil Co. |
| Armstrong Operating, Inc. |
| Armstrong, Ken D. |
| Arnold Petroleum |
| Aronow, B.A.S. |
| Aronow, Estate Of Anna |
| Aronow, W. B. |
| Aronow-Fulton |
| Arro Oil & Refining Co. |
| Arro-McDonald |
| Arrow Creek Development |
| Arrow Creek Drilling |
| Arrowhead Exploration |
| Arstadt Oil |
| Artex Corp. - Petro Lewis LTD |
| Artex Oil Company |
| Asamera Oil Etal |
| Ashland Exploration, Inc. |
| Askalta Oil Co., Ltd. |
| Askin-Becker |
| Aspen Exploration Corporation |
| Assiniboine & Sioux Tribes |
| Athena Energy LLC |
| Atlantic Oil Company |
| Atlantic Refining |
| Atlantic Richfield Company |
| Atlas Energy Group |
| Augusta Exploration, LLC |
| Austin, Chas W |
| Austin-Mclaughlin |
| Austral Oil |
| Avance Oil & Gas |
| Avanti Energy Montana, Inc. |
| Avery Bakken Disposals, LLC |
| Avian Tech International, Inc. |
| Axem Resources Incorporated |
| Ayers, Milan R. |
| Aztec Energy Company |
| Aztec Gas & Oil Corp. |
| B & B Drilling Co |
| B & L Drlg Co |
| B & R Gas & Oil |
| B J Oil |
| B-B Oil Co |
| B.C. Jam, Inc. |
| B.W.O.C., Inc. |
| BAIN Resources, Inc. |
| BBC & F Exploration |
| BBX Operating Co. LLC |
| BG&O Co. |
| BHP Petroleum (Americas) Inc. |
| BLM - Bureau Of Land Mgmt. |
| BMB LLC |
| BNV Energy Company LLC |
| BTA Oil Producers, LLC |
| BWAB Incorporated |
| BXS Oil Company |
| Babcock Etal |
| Bacon, J. R., Drilling, Inc. |
| Bad Water Disposal, LLP |
| Badger Oil Co. |
| Badlands Resource Recovery, Inc. |
| Bagdad Oil |
| Bagdad Oil Company |
| Bairs Service Sta |
| Baker O Seldon |
| Baker Syndicate |
| Baker, Rex H. |
| Baker-Barnhill-Corey Oil Co. |
| Baker-Summerville |
| Bakken Water, LLC |
| Balco Inc. |
| Baldwin Lynch Energy Corp. |
| Balko, Inc. |
| Ballantyne Ventures LLC |
| Ballard Exploration Company, Inc. |
| Ballard Petroleum Holdings LLC |
| Bander & Couch |
| Bannatyne Oil Co. |
| Bannettin, J.C. |
| Banta Petroleum, Inc. |
| Bar Triangle J Ranch, Inc. |
| Bard Drilling |
| Barger Sunburst Oil |
| Barker & Tyler |
| Barker L. W. |
| Barker, Lawrence |
| Barmac |
| Barnes Allen |
| Barnes, J. C. Oil |
| Barnhart Drilling Co., Inc. |
| Barnsdall & Foster |
| Barnwell Industries |
| Barr Oil Co. |
| Barr Ranch |
| Barrett Energy Company |
| Barrett Resources Corporation |
| Baruch Foster Corporation |
| Basic Earth Science Systems, Inc. |
| Basin Operating Company |
| Basin Petroleum Corp. |
| Bass Enterprises Production Co. |
| Basso, Westwood, Lindberg, Wolf |
| Battle Creek Oil &Gas |
| Batts Oil And Gas Corp. |
| Batts, John |
| Batts-Cardinal |
| Baugham |
| Bauman, Ralph H. |
| Baumgartner, F. W. |
| Bay Houston Towing Co. |
| Baysel Oil & Gas |
| Bayswater Exploration & Production, LLC |
| Beaird Patrick |
| Bearcat Petroleum, Inc. |
| Beard Oil Co. |
| Beardslee, A. |
| Bearpaw Oil & Gas Co. |
| Bears Den Oil |
| Beartooth Energy, LLC |
| Beartooth Oil & Gas Company |
| Beauchamp, C. W. |
| Beaupre Oil |
| Beauvais Creek Sydicate |
| Beaverhead Alberta Oil Co. |
| Beaverhead Oil Producing Co. |
| Beck Petroleum Co. |
| Becker, Frank H. |
| Beer O. N. & John R. |
| Beery Oil Co. |
| Behm Energy, Inc. |
| Bel Oil |
| Bel Oil - Hudson |
| Belco Development Corporation |
| Belco Energy, Inc. |
| Bell Adams Syndicate |
| Bell Mining |
| Bell Western Corp |
| Bell, Frank |
| Bell, Gladys |
| Belle-Truesdelle |
| Bellevue Resources, Inc. |
| Bellwether Expl |
| Benjamin, Norman W. |
| Benson Mineral Group, Inc. |
| Bensun Energy, LLC |
| Berco Resources, Inc. |
| Beren Corporation |
| Berenergy Corporation |
| Berexco LLC |
| Berexco, Inc. |
| Berridge Nadeau |
| Best Petroleum |
| Beta Exploration, Inc. |
| Bethol Corp |
| Bibeau, Pat |
| Bickerstaff, Douglas B |
| Bickford, Catherine or AW |
| Big Bud Syndicate |
| Big Dome Oil Co. |
| Big Eleven Oil |
| Big Four Oil Co |
| Big Gully Oil, LLC |
| Big Horn Oil & Gas Development Co. |
| Big Otter Oil Company |
| Big Rose Colony, Inc. |
| Big Six |
| Big Sky Energy, LLC |
| Big Sky Ranches, Inc. |
| Big Snowy Drilling Co. |
| Big Snowy Resources LP |
| Big Timber Oil Syndicate |
| Big Wall Oil |
| Big West Oil Co. |
| Big West Royalty |
| Biggs, C. E. |
| Bill Barrett Corporation |
| Billings & Cotten |
| Billings Oil & Development |
| Billings Oil & Gas |
| Bills, Don |
| Bingham, Nelson G. |
| Bird Oil Corporation |
| Birney Gas & Oil |
| Bison Operating Company |
| Bistate Oil Co. |
| Bitter Creek Oil Co. |
| Bitter Root Oil Co. |
| Bjornson Operators |
| Bjornstad, Carl Eugene |
| Black Butte Energy LLC |
| Black Butte Oil |
| Black Eagle Operating Company, Inc. |
| Black Gold Corp. |
| Black Gold Energy Resource Development, LLC |
| Black Gold Energy Richland Facility, Inc. |
| Black Hawk Resources Corp. |
| Black Hawk Resources, LLC |
| Black Hills Exploration and Production |
| Black Label Oil Co. |
| Black Mountain Oil Corp. |
| Black, A. C. Etal |
| Blackfeet Tribe |
| Blackford Energy Company |
| Blackleaf Petroleum Co. |
| Blackstone Operating |
| Blair, Arden |
| Blase, A. H. |
| Blixrud, Charles & Sharon |
| Blocker Exploration |
| Blue Diamond Petroleum Inc |
| Blue Dome Oil |
| Bluebaugh, G. S., Etal |
| Bluebird Energy, LLC |
| Bluebonnet Energy Corporation |
| Bluesky Oil & Gas, Inc. |
| Bluestone Natural Resources II, LLC |
| Bobcat Oil |
| Boekel, R. G. |
| Bogart, Robert |
| Bohn & Cool |
| Bohy Oil |
| Bolack, Tom |
| Boland, Edward M. |
| Bolin Oil Company & Cyrus Frost |
| Bomber Mountain Resources, LLC |
| Bonabrake, A.C. Etal. |
| Bond, Roland, Etal. |
| Bootstrap Oil LLC |
| Boren, Sam Oil |
| Boston-Montana Syndicate |
| Boswell Energy Corporation |
| Bottineau-Minot Oil Co. |
| Bow Valley Petroleum Inc. |
| Bowdoin Gas Co. |
| Bowers Oil & Gas, Inc. |
| Bowline Energy LLC |
| Bozeman Oil & Gas |
| Bozo Oil Co. |
| Braden Oil |
| Bradley & Bradley |
| Bragg & Johnson |
| Brainstorm Energy, Inc. |
| Branch Oil & Gas |
| Branch, Colby & Jill |
| Branch, Jerry L Associates |
| Branch, Jerry L. |
| Brandon Oil Company |
| Braun, C. F. & Co. |
| Breck Operating Corp. |
| Brehm C E |
| Breuer & Curran |
| Bridger Canyon Oil Co. |
| Bridger Petroleum |
| Brigham Oil & Gas, L.P. |
| Brightview Resour |
| Brill, V.A. |
| Brinkerhoff Company, The |
| Briscoe Petroleum, LLC |
| British American |
| British Dominion |
| Britton Etal |
| Broadview Petroleum Co. |
| Broadview, City Of |
| Brockman, H.L. |
| Broers, H.J. |
| Bronco Oil & Gas Company |
| Bronson, C.R. |
| Brook, T.L. |
| Brooks & Sullivan |
| Brooks, Zach |
| Brophy, Keith E. And Thomas N. Majerus |
| Broschat Engineering & Management Services |
| Brotyn Oil Co. |
| Brown Drilling |
| Brown, A.N., & Pickrell, D.J. |
| Brown, Grant O., Jr |
| Brown, H.L., Jr |
| Brown, J. Burns Operating Company |
| Brown, Joe W. |
| Brown, Thomas P. |
| Brown, Tom Inc |
| Browning-Sunburst |
| Bruceann Et Al |
| Brundage, George |
| Brush Creek Syndicate |
| Bryant Brothers |
| Buchanan, John D. |
| Buckley Production |
| Buckley, Michael T. |
| Bue, Herbert |
| Buffalo Dome Oil Company |
| Bull Creek Oil & Gas Development Co. |
| Bulls Eye Syndicate |
| Burbridge-Unruh |
| Burch Bob |
| Burd, Levi J. Etal. |
| Burk Gas |
| Burke Etal |
| Burks W E |
| Burlington Northern Inc. |
| Burlington Resources Oil & Gas Company LP |
| Burnett Oil Co. Inc |
| Burns, A.A. |
| Burns, R.L. |
| Burt Oil Company |
| Burton/Hawks Inc |
| Buscher Oil Etal |
| Bushford Pet Syndicate |
| Butler Oil & Gas |
| Butler Petroleum LLC |
| Butler, C. H. |
| Butte Oil Co. |
| Butte Oil Syndicate |
| Butte-Kevin Oil Co. |
| Butterfield, Gale |
| Bye, April & Scott |
| Byers, Dewey |
| Byorum Oil Co. |
| Byrd, Patrick H. |
| C & K Petroleum Inc. |
| C B S Oil |
| C I G Expl |
| C R Energy Corp. |
| C.A. Weil Syndicate |
| C.B. Moncrief |
| C.B. Schaffer Oil Co. |
| C.M. & St. P.R.R. Co. |
| C.R. Call Etal |
| CNG Producing Company |
| CWT Operating, LLC |
| Caam Oil Co |
| Cabeen Exploration |
| Cabot Oil & Gas Corporation |
| Cabot Petroleum Corporation |
| Cabot, Allan B. |
| Cagney-Sunburst |
| Cajr Exploration |
| Calburn Energy Corporation |
| Calgary-Sunburst Oils Ltd. |
| Caliber North Dakota LLC |
| California Co., The |
| California Company, The |
| California Oil Co. |
| California Petroleum. Corp. |
| California Syndicate |
| California-Montana Co. |
| Callaway William |
| Callgas |
| Calvert Drilling & Producing Co. |
| CamWest II, LP |
| Cambrian Management, Ltd |
| Cameo Minerals Inc |
| Camerland Cardina |
| Campanella, George L |
| Campbell & Associates |
| Campbell, A.H. |
| Campbell, Gordon |
| Campbell, Gordon Synd. |
| CanAm Engine, Inc. |
| Canada Northwest Land Ltd. |
| Canadian-American |
| Canartic Resources, Inc. |
| Candel Oil |
| Canfield & Davis |
| Canfield, O. B. |
| Canterra Petroleum Inc |
| Canyon Energy Operating, LLC |
| Canyon Natural Gas, LLC |
| Capital Energy |
| Capital Energy Corp |
| Capitan Operating, LLC |
| Carbon Energy Corporation (USA) |
| Carbon Oil & Gas Company |
| Carbon Oil Co. |
| Carbon-Montana Oil Co. |
| Cardinal Drilling Company |
| Cardinal Oil, LLC |
| Cardinal Petroleum |
| Cardinal, Floyd L. |
| Cardson Oil Co |
| Carincoss Ryeburn |
| Carlon Oil |
| Carmax Industries |
| Carmount Oil & Ga |
| Carnegie Petroleum of Montana |
| Carnell, Millicent C. |
| Carney, E. C. |
| Carney, Tom |
| Carney, et al |
| Carpenter-Harris |
| Carr-Gary Corporation |
| Carrell Oil Company Dba Coco |
| Carroll Bros., Etal |
| Carroll, L.R. |
| Carroll, Sterling C. |
| Carscallen & Mitchener |
| Carter Oil Co. |
| Carter, John |
| Cascade Gas Co. |
| Cascadia |
| Casey & Kuhleman |
| Caskey, Nevin R. |
| Cassidy Etal |
| Castle & Pardee |
| Cat Creek Center Oil Co. |
| Cat Creek Holdings LLC |
| Cat Creek Oil |
| Catlett, J. Bland |
| Catlett-Frary-Taylor |
| Cavalier Petroleum |
| Cayman Corp. |
| Caza Exploration Company |
| Celeron Oil & Gas Company |
| Celsius Energy Company |
| Cenergy Exploration Company |
| Cenex, Inc. |
| Centana Petroleum Corp. |
| Centennial Oil |
| Central Montana Resources, LLC |
| Central Montana-British Dominion Oil Co. |
| Central Resources, Inc. |
| Centura Inc. |
| Century Drilling Company |
| Century Oil & Gas Corporation |
| Century Oil Company |
| Chaco Energy Company |
| Challenger Minerals Inc. |
| Chamberlain, Ralph E. |
| Chamberlain, Virgil R. |
| Chambers & Kennedy |
| Chambers, C.W. |
| Chambers, Jerry, Exploration Co. |
| Chambers, R.E. |
| Chambers, Wayne L. |
| Chandler & Associates, Inc. |
| Chandler Energy, LLC |
| Chaparral Energy, LLC |
| Chapman, H.A. |
| Charger Resources, LLC |
| Charlesholm Oil |
| Charoil Co., J. Norm And Charlotte Sibley Dba |
| Cheadle, Ned Jr. |
| Chebul, Bill |
| Chelin LLC |
| Chepeta Drilling & Exploration Co. |
| Cherry & Kidd |
| Cherry Creek Oil Co. |
| Cherry Creek Sheep Co. |
| Chesapeake Operating, LLC |
| Chevron U.S.A. Inc.(A Pennsylvania Corp.) |
| Cheyenne Oil & Gas |
| Chicago Consolidated Producing Co. |
| Chicago Corp. |
| Chief Drilling |
| Chinle Oil & Gas |
| Chinook Oil & Gas Company |
| Chinook Syndicate |
| Chippewa Cree Tribe |
| Chism, L.S. |
| Choctaw II Oil & Gas Ltd. |
| Chouteau Oil & Gas |
| Christmann Energy Corporation |
| Christmann, John J. |
| Church, G.M. |
| Churchwell, E.H., Etal |
| Cicon, Rudy S. & John M. |
| Cima Capitan Inc |
| Cimarex Energy Co. |
| Cirque Resources LP |
| Citation Oil & Gas Corp. |
| Citation Oilfield Supply & Leasing, Ltd. |
| Cities Service Oil Co. |
| City Of Malta |
| City Oil Company, Inc. |
| City of Baker |
| Claggett Development Co. |
| Clarence Verploegen |
| Clark Canadian Exploration Company |
| Clark Drilling |
| Clark Fork Oil |
| Clark, A.A. |
| Clark, James C. |
| Clark, James L. |
| Clay's Consulting, LLC |
| Cleary Petroleum |
| Cleveland Syndicate |
| Cline Production Company |
| Clinton Oil |
| Clouse, John D |
| Clover Energy |
| Cloverleaf Petroleum Co. |
| Co-Operative Pertoleum Co. |
| Coalridge Disposal And Petroleum, Inc. |
| Coastal Petroleum Company |
| Cobb & Radigan |
| Cobb & Rutherford |
| Cobb, A.B. & Company |
| Cobb, E.L. |
| Cobb-Coolidge |
| Cobb-Hardrock |
| Cobb-Roberts |
| Cobra Oil & Gas |
| Cobra Oil & Gas Corporation |
| Cockrell Corporation |
| Coden Exploration |
| Coe Oil Co.-W.C. Coe |
| Coeur d'Alene Oil Syndicate |
| Collier, Beth |
| Collins & Ware, Inc. |
| Collins Brothers |
| Colonel Kevin Oil Co. |
| Colonel Kobes Syndicate |
| Colorado Exploration Co. |
| Colorado Oil And Gas Corporation |
| Colossus Operating LLC |
| Columbia Petroleum, Ltd. |
| Columbus Energy Corp. |
| Columbus Oil & Gas |
| Comanche Drilling Company |
| Comdisco Exploration, Inc. |
| Comet Ridge Montana, LLC |
| Commonwealth Petroleum |
| Community Gas & Oil |
| Compadre Oil Corp. |
| Compass Energy, Inc. |
| Compass Exploration, Inc. |
| Concept Resources, Inc. |
| Cone & Petree Oil & Gas Exploration, Inc. |
| Conoco Inc. |
| ConocoPhillips Company |
| Conquest Exploration Company |
| Conrad Exploration Co. |
| Consolidated Gas |
| Consolidated Oil & Gas, Inc. |
| Constitution Gas Transport Co., Inc. |
| Consumers Gas |
| Contango Resources, Inc. |
| Continental Development Co. |
| Continental Oil Company |
| Continental Resources Inc |
| Conwest Exploration Company, Ltd. |
| Cook & Coolidge |
| Coolidge and Coolidge, Inc. |
| Coolidge, G. B., Inc. |
| Coolidge, Tim & Billiette |
| Coolidge, Timothy J & Billiette Nebel |
| Cooper, W.O. |
| Cope Dev. Co., Ltd. |
| Coquina Oil Corporation |
| Corey Oil Co. |
| Corner Oil Company |
| Cortez Operating Company |
| Coseka Resources |
| Cosmos Petroleum |
| Cotton Petroleum Corporation |
| Couch Drilling |
| Cougar Petroleum Corp. |
| Cowan & Son |
| Cowry Enterprises, Ltd. |
| Cox Exploration, Inc. |
| Cox, Edwin L |
| Cox, H. Mack Etal |
| Cox, John L. |
| Cox, Wayne |
| Crabtree, Arthur |
| Craft, R.C. |
| Craig Drilling Co. |
| Craig Oil Etal |
| Cranston, Earl M. |
| Credo Petroleum Corporation |
| Creek Oil Company |
| Creel, J.Y. |
| Cremer Energy Inc. |
| Cremer Etal |
| Crescent O. & G. Co. |
| Crescent Oil & Gas Corporation |
| Crescent Petroleum Corporation |
| Crescent Point Energy US Corp |
| Crilly, A.M. |
| Crittenden, G.R., Etal |
| Crocker, Earl |
| Croft Oil & Gas |
| Croft Petroleum Co. |
| Crosby, Dr. |
| Crossbow Corporation |
| Crow Rock Oil |
| Crowe, H.I. |
| Crown Drilling |
| Crown Oil, Inc. |
| Crown Production |
| Crude Oil Service Company |
| Crumley, A.E. |
| Crumley, A.E. & Sons |
| Crumley, Lon, Trustee |
| Crumley-Sunburst |
| Crusade & Roidan |
| Crusade Holdings |
| Crusader Energy Group Inc. |
| Crusader Holdings, LLC |
| Cruse, Tom |
| Crystal Carbon Co. |
| Crystal Oil & Land |
| Cummins-Emerick-Redlands |
| Curlew Oil Company |
| Custer Creek Oil & Gas Co. |
| Custom Carbon Processng, Inc. |
| Cut Bank Gas Company |
| Cut Bank Refining |
| Cut Bank Resources, Inc. |
| Cyclone Well Service, Ltd. |
| Cypress Energy Partners - Sheridan SWD, LLC |
| Cypress Oil Co. |
| Cyprus Mines |
| Czar Resource Inc. |
| D & H Energy, LLC |
| D & M Welding LLC |
| D&A Water Disposal LLC |
| D-J-W Drilling Co. |
| D. A. S. Resource Ventures Inc. |
| D.C. Dudley & Associates |
| D90 Energy, LLC |
| DAS Resources Inc |
| DEPCO, Inc. |
| DL Energy, LLC |
| DL Incorporated |
| DNR Oil & Gas Inc. |
| Dabbler Petroleum Inc. |
| Dabros Properties, Inc. |
| Dahl, V.F. |
| Dailey Construction |
| Dakota Montana Oil Co. |
| Dakota-Dubuque Oil Co. |
| Dakota-Williston |
| Damson Oil Corporation |
| Dana, Ed, Livestock |
| Dangerfield Resources (USA), Inc. |
| Daniels Petroleum Co. |
| Danielson, Patricia |
| Danielson, Patricia, Oil |
| Darrah Oil Company, LLC |
| Dart Oil & Gas Corporation |
| Daube Company, The |
| Daugaard & Whitmore |
| Davis Creek Syndicate |
| Davis Etal |
| Davis Oil Company |
| Davis Petroleum, Earl G. Davis Dba |
| Davis Syndicate, Tom |
| Davis, H.C. |
| Dawson & Cramer |
| Dawson Mutual Oil |
| Dawson, Paul |
| Day, J.G. |
| Day, S.V. |
| Daybreak Oil Co. |
| De Kalb Petroleum |
| De Schon, O.I. |
| DeKalb Agric. Assoc., Inc. |
| Dea & Sherrard |
| Decalta Oil Enterprises, Inc. |
| Decker Operating Company, L.L.C. |
| Deep Rock |
| Deer Creek Oil |
| Deerfield Etal |
| Dees Farms, Inc. Et Al |
| Deininger, Art E. |
| Dekalb Energy Company |
| Dekalb-Northern O |
| Del Norte Oil |
| Delfern Oil |
| Delhi Oil |
| Delmar Oil & Gas |
| Deloraine Oil |
| Delphi International Inc. |
| Delphia Oils, Ltd. |
| Delta Petroleum Corporation |
| Delta Petroleum, Inc. |
| Demont Oil |
| Denbury Onshore, LLC |
| Dennis, Bob |
| Denver Oil |
| Deshon O J |
| Desmons F |
| Detroit-Wyoming Oil Co. |
| Development Services Corporation |
| Devenbaugh C |
| Dever, John P. |
| Devereaux Oil Co. |
| Devils Dome Oil Company |
| Devon Corporation |
| Devon Energy Production Co., LP |
| Devon Louisiana Corporation |
| Devonian Oil & Gas |
| Diamond Halo Group LLC |
| Diamond Oil & Gas LLC |
| Diamond Oil Co. |
| Diamond Shamrock Corporation |
| Diamond T Petroleum Co. |
| Dickerson, Pete |
| Didsbury Syndicate |
| Dietrich Exploration |
| Digital Operating Company LLC |
| Dilling, Etal. |
| Dilman-Stevenson |
| Discovery Geoservices Corp. |
| Discovery Inc. |
| Diversified Resources Limited |
| Dixie Oil Co |
| Dockery, R.E. |
| Doheny, Patrick A. |
| Dolezal, George Jr |
| Dome Exploration |
| Dome Oil |
| Dome Petroleum Corp |
| Dominion Montana |
| Dominion Oil Co., Limited |
| Dominion Oklahoma Texas Exploration & Production |
| Donnell Drlg-Pure |
| Dorchester Exploration Inc. |
| Doswell, T.W. |
| Doughty, Earl |
| Douglas Petroleum, Inc. |
| Dovall Pilling |
| Dow, Glen A. Etal |
| Dox Oil |
| Drawings, LLC |
| Drees Petroleum Co. |
| Dreiling Ltd. |
| Drought, W.E., Etal. |
| Drumheller, D.M. |
| Drumheller, Jerome |
| Dry Coulee Oil & Gas Company |
| Duck Creek Energy, LLC |
| Duffield, O.F. |
| Dugger, William L |
| Dukart, Kevin & Jennifer |
| Duke Oil, Inc. |
| Dunbar Oil Company |
| Duncan, Raymond T. |
| Duncan, Walter |
| Dunkirk Oil Co. |
| Dunlap, D.D. |
| Dunlap, W.F. |
| Dunn & Boreing |
| Dunoco Inc |
| Dupont Oil Co. |
| Dupuy, J.W. |
| Durham, W.L. |
| Dutton Creek Oil Co. |
| Dyco Petroleum Corporation |
| Dyer, J.G. |
| Dyna-Ray Oil & Gas |
| Dynaco Inc. |
| Dynasty Energy Exploration & Development,Ltd. |
| Dyrdahl, Bob |
| E & M Oil & Gas Co. |
| E B M Oil |
| E. L. K. Oil Company |
| EEN, LLC |
| EMEP Operating, LLC |
| EOG (New Mexico) Inc. |
| EOG Resources, Inc. |
| EP Operating Company |
| EPS Resources Company |
| Eagle Consolidate |
| Eagle Creek Colony |
| Eagle Minerals, Inc. |
| Eagle Oil & Gas Co. |
| Eagle Oil Co. |
| Eagle Petroleum |
| Earl Oil |
| Earthstone Energy, Inc. |
| Eason Oil |
| East Chicago Oil Co. |
| East Crest Oil Co. Ltd. |
| East Elk Basin Oil Co. |
| East End Colony, Inc. |
| East Flank Oil |
| East Fort Peck Exploration LLC |
| Eastern American Energy Corp |
| Eastern Montana Oil & Gas Co. |
| Echo Oil Corporation |
| Eclipse Energy Inc. |
| Eclipse Oil Co. |
| Eddy & Engleking |
| Eddy, John N. Et Al |
| Eddy, P.L. |
| Eden Oil |
| Edge Petroleum Operating Company, Inc. |
| Edmonton-Montana Syndicate |
| Edwards Etal |
| Ehlen, E.C. Etal |
| Eide, Lester |
| El Paso E&P Company, L.P. |
| El Paso Natural Gas Company |
| El Paso Production Oil & Gas Company |
| El Santo Petroleum Corporation |
| El Tres Exploration, Inc. |
| Elder Oil |
| Electron Oil & Gas |
| Elenburg Exploration, Inc. |
| Eliakin Oil Co. |
| Eline, Et Al |
| Eline-Sunburst Oil & Refining Co. |
| Elk Basin Oil |
| Elk Petroleum, Inc. |
| Elk-No Pacific&Su |
| Elkhorn Oil & Gas Co. |
| Elliot, Miller, Conklin |
| Elliott, J.W. Drlg |
| Ellis Co. |
| Elliston-Feathers |
| Embar Drilling |
| Emerald Oil, Inc. |
| Emerald Operating Company |
| Emmons Etal |
| Empire Drilling |
| Empire Gas & Fuel |
| Empire North Dakota LLC |
| Empire Petroleum |
| Empire State Oil Co. |
| Empire Utilities Ltd |
| Emrick Oil |
| EnCana Oil & Gas (USA) Inc. |
| Enclave Operating, LLC |
| Encore Energy Partners Operating, LLC |
| Encore Operating LP |
| Endeavor Energy Resources, LP |
| Endeavour Operating Corporation |
| Enders D W |
| Energen Resources Maq, Inc. |
| Energetics Inc |
| Energx, Ltd. |
| Energy Corporation of America |
| Energy Equity Company |
| Energy Operating Company, Inc. |
| Energy Operating Corporation |
| Energy Reserves, Group, Inc. |
| Energy Rock Inc. |
| Enernet of Wyoming LLC |
| Enerplus Resources USA Corporation |
| Enfield Oil |
| Engleking |
| Enneberg Oil & Gas |
| Enserch Exploration, Inc. |
| Enstar Petroleum, Inc. |
| Enterprise Energy, Inc. |
| Epperson, Donald |
| Epyon Oil, Inc. |
| Equinor Energy LP |
| Equitable Oil |
| Equitable Resources Energy Co, Western Region |
| Equity Oil Company |
| Erico Resources |
| Erskine Farms, Inc., R & E |
| Essex Oil |
| Ethridge Basin Oil & Gas Co. |
| Euclid Oil |
| Evans, T. M. |
| Everett, W. R. |
| Evergreen Resources, Inc. |
| Evertson Operating Company, Inc. |
| Evolution Oil Group, LLC |
| Exeter Drilling Company |
| Exeter Exploration Company |
| Exploration Drilling |
| Exploration Ventures Company, Inc. |
| Exxon Corporation |
| F & F Oil & Gas Co. |
| F & P Corp. |
| F.C. Keane |
| F.U.C.E., Inc. |
| FH Petroleum Corp. |
| FMP Operating Company, A Limited Partnership |
| FPCO Oil And Gas Co. |
| FX Drilling Company, Inc. |
| Fad Oil |
| Fair & Albermont |
| Fair & Woodward |
| Fair Operating Account |
| Fairways Exploration & Production, LLC |
| Faith Drilling, Inc. |
| Falcon Energy Partners LLC |
| Falcon Midstream Services LLC |
| Falcon Oil & Gas Company, Inc. |
| Falcon Petroleum Corporation |
| Falcon Seaboard Drilling Co. |
| Fallon County Commissioners |
| Fallon Gas |
| Fantle S Jr |
| Fargher,Prevol & Fargher |
| Fargo Oil |
| Farmers Union Central Exchange, Inc. |
| Farrish, W.T. |
| Fauque, John |
| Featherstone |
| Feldt & Maytag |
| Ferdig Oil |
| Ferdig Sunburst Oil Co. |
| Ferdig-Hughes |
| Fergus Gas Syndicate |
| Ferguson & Boswor |
| Ferguson, P. L. |
| Ferndale O. & G. Co. |
| Fidelity Exploration & Production Co. |
| Fidelity Gas |
| Fidelity Oil |
| Fields, Burt |
| Fifty Six Petroleum |
| Filan Etal |
| Fina Oil And Chemical Company |
| First Avenue Corp |
| First Etal |
| First International |
| Fisher Etal |
| Five B's Oil And Gas Corporation |
| Five-Forty Corp. |
| Flank Oil |
| Flare Energy Corp |
| Flat Willow Farm, LLC |
| Flatt Corp. |
| Flatwillow Oil |
| Fleming, Ben |
| Flesch, Edward Lyle & Allen |
| Flesch, Lyle R |
| Flickertail Oil Co. |
| Florence Oil & Gas |
| Florentine Exploration & Production, Inc. |
| Florida Exploration Company |
| Flying J Oil and Gas, Inc. |
| Flynn Bros |
| Flynn Energy Corp |
| Fogelson, E.E. |
| Folmsbee Etal |
| Foncannon, C.B. |
| Fonkalsrud Etal |
| Foothills Company, Inc. |
| Forbes, G.T. & J.F. |
| Forcenergy Inc. |
| Ford Creek Oil Co. |
| Ford, Hugh W. |
| Forest Oil Corporation |
| Fort Peck Tribes |
| Fort Worth Operating Company, LLC |
| Fortuna (US) Inc. |
| Fortuna (US) L.P. |
| Forward Energy, LLC |
| Forza Operating, LLC |
| Foster & Hull |
| Foster, Charles P. And Smith, Loren E. |
| Foundation Energy Management, LLC |
| Foundation Oil |
| Four J Resources, Inc. |
| Fouts, Jerry D. Etal |
| Fowler Oil |
| Fox Petroleum |
| Fram Operating, LLC |
| Framont Petroleum |
| Frances Oil |
| Franklin & Aston |
| Frantz Corporation |
| Frary, G. S. & Frary. B. L. |
| Fraser and Smith |
| Frazer Etal |
| Frazer, Kenneth |
| Frazer-Inland Petro. Co. |
| Fredlund, Dale |
| Freeman & Marble |
| Freeport Oil |
| Freeport-McMoran Inc. |
| Fremont Petroleum |
| Frickey, Norton |
| Fromberg Syndicate |
| Frontier Exploration Co. |
| Frontier Refining |
| Frye Etal |
| Fuel Resources Development Co |
| Fulco |
| Fuller, W.M. |
| Fulton & McKnight |
| Fulton Blackfeet Oil Co. |
| Fulton Etal |
| Fulton Fuel Company |
| Fulton III, William M. |
| Fulton Producing Co. |
| Fulton, William M. |
| Fundamental Oil |
| Furst Engineering, Inc. |
| G & A Oil |
| G/S Producing, Inc. |
| GCRL Energy Ltd. |
| GPE Energy, Inc. |
| Gagel, R.E. |
| Gainer, B.R. |
| Galaxy Oil |
| Gallaco Corp |
| Gallagher, C.R. |
| Gallagher, Victor |
| Gallatin Gateway Oil Co. |
| Gallatin Valley Oil Co. |
| Gallup City Oil, Inc. |
| Gallup City Oil, LLC |
| Ganey Oil Company |
| Garfield & Pasternak |
| Garman Stripper Wells, LLC |
| Garner & Ketell |
| Gary Drilling Co. |
| Gary Energy Corporation |
| Gary, Samuel, Oil Producer |
| Gary, Samuel,Jr.& Associates, Inc. |
| Gary-Williams Company, The |
| Gas Development Co. |
| Gas Producing Enterprises |
| Gascho, N.R. Etal |
| Gatzmeier Etal |
| Gay, Jack |
| Gay-Heringer |
| Gear Petroleum Company Inc. |
| General American Oil Co Of Texas |
| General Atlantic Energy Corporation |
| General Crude Etal |
| General Oil Co. |
| General Oils Ltd |
| General Petroleum |
| General Well Service Inc. |
| Genesis ST Operating LLC |
| Genou Oil |
| Geo-Stratum LLC |
| Geo. Metlan Etal |
| Georesources, Inc. |
| Geostar |
| Geraldine Oil & Gas |
| Gerber Energy Corporation |
| Gering & Jantz |
| Getty Oil Company |
| Gibraltar Oil |
| Gibson Drilling Co. |
| Gibson, W.R. Jr |
| Gill Cattle Co |
| Gillenwater, C.E. |
| Gilster, Ralph R. III, Inc. |
| Ginther, Warren Etal |
| Glacier Colony, Inc. |
| Glacier Minerals, LLC |
| Glacier Production Co. |
| Glacier Production, Inc. |
| Gladys Bell Oil |
| Glasgow Exploration Corp. |
| Glasscock Oil |
| Glenhoma Oil Co. |
| Glenrock Oil Company |
| Glick, Nelson N. and Clara |
| Global Enterprise |
| Global Petroleum Corporation |
| Globe Minerals |
| Goddard Syndicate |
| Goeddertz |
| Goeddertz, Albert |
| Goering, J.W. |
| Golden & Land Oil Company |
| Golden Arrow Exploration, LLC |
| Golden Arrow Oil |
| Golden Eagle Refining |
| Golden Oil |
| Golden Valley Oil |
| Golden West |
| Goldrock Minerals LLC |
| Goldston, W J |
| Good Hope Oil & Gas Co. |
| Good, Elton |
| Goodstein Oil & Gas |
| Goodstein, Fred |
| Gordon & Bickerst |
| Gordon Campbell C |
| Gordon Robert J C |
| Gordon, Etal. |
| Gose, Steve |
| Grace Petroleum Corporation |
| Grace-Ford Oil & Gas Co., Inc. |
| Graham Oil Co |
| Graham Royalty, Ltd. |
| Grand Operating, Inc. |
| Grand Prix Natural Gas Co. |
| Grand Resources, Ltd. |
| Grannell Drilling |
| Grant Oil Co. |
| Grant, Chas Etal |
| Grass & Sons, Inc. |
| Grassy Butte LLC |
| Graves Drilling |
| Gray Eagle Oil Company |
| Grayson Mill Operating, LLC |
| Great American Oil |
| Great Basin Petroleum |
| Great Northern Drilling Company |
| Great Northern Gas Company |
| Great Northern Mutual Oil Co. |
| Great Plains Energy, Inc. |
| Great Plains Operating, LLC |
| Great Plains Resources Inc. |
| Great Western Drilling Company |
| Great Western Oil |
| Greater Great Falls Oil Co. |
| Greater Montana Oil Co. |
| Grebe Drilling Company |
| Grebe, Ed |
| Greeheyco, Inc. |
| Greenfield Oil Company |
| Greenup Roscoe |
| Greenwalt, Linda & Gary |
| Greer, George J |
| Grey Wolf Production Company, Inc. |
| Greybull-Montana |
| Grier Bros |
| Griffin Properties, Inc |
| Griffith Oil Co |
| Griffon & Associates, LLC |
| Griffon Petroleum, Inc. |
| Grigsby, Grady |
| Grizzly Drilling Company |
| Grizzly Operating, LLC |
| Grynberg Petroleum Company |
| Grynberg, Jack & Assoc. |
| Grynberg, Jack J. |
| Guarantee Oil |
| Gudgel, J. |
| Guffey-Seitz Etal |
| Guilford, L.D. |
| Gulf Oil Corporation |
| Gulf States Oil Company |
| Gulfstream Petroleum Corporation |
| Gulley, J.C. Etal. |
| Gunderson Farms, Inc. |
| Gunderson, George |
| Gunderson, John & Johanna |
| Gustafson, Gale and Susan |
| Guthrie, A. K. |
| Guthrie, Alfred Bertram III & Margaret |
| Guyer, W.B. |
| Gypsy Highview Gathering System, Inc. |
| Gypsy Oil |
| H & G Petroleum Corporation |
| H & M Oil Producers, Inc. |
| H & R Well Services, Inc. |
| H L M Drilling |
| H O H River Oil C |
| H P C Inc |
| H&R Energy, LLC |
| H. G. O. Petroleum Company |
| H.B. Zachry Company |
| HCM Energy LLC |
| HNG Oil Company |
| HRC Operating, LLC |
| HS Resources, Inc. |
| Habets Oil & Gas, LLC |
| Hadley Etal |
| Hadley, Herbert D. |
| Hafer, A. Rex |
| Hagan Structure Oil Company |
| Hagenbarth |
| Hager-Stevenson Oil Co. |
| Hagerman & Pond |
| Hagerty Oil Co. |
| Halbert & Jennings |
| Halbouty, Michel T. |
| Hale Et Al, Albert |
| Hale, Walter A. |
| Hall Oil Company |
| Halliburton Company |
| Hallis Etal |
| Hallwell Gas & Oil Company |
| Hallwood Petroleum, Inc. |
| Halmans, Hubertus & Eleanor A. |
| Halter, William |
| Halvar Resources, Inc. |
| Hamilton & Hamilton |
| Hamilton Brothers Oil Company |
| Hamilton, D.G. |
| Hamilton, John E. |
| Hamilton, R.F. |
| Hammond Valley Colony, Inc. |
| Hamon Operating Company |
| Hancock Oil & Gas |
| Hancock Warren J. |
| Hanlon Etal |
| Hanna Oil & Gas Company |
| Hannah Oil Co. |
| Hannah-Porter Company |
| Hanson Operating Co., Inc. |
| Hanson, Ernest A. |
| Hanson-Cruse |
| Hard Times Oil |
| Hardin Auto Co. |
| Hardin Gas & Fuel |
| Hardin General Hospital |
| Harding Brothers |
| Hardrock Oil Company |
| Harken Oil & Gas |
| Harper Oil Company (Buckhorn Petroleum) |
| Harris Etal |
| Harris, Lee |
| Harrison Etal |
| Harrison O&G |
| Harrison, Ray |
| Harrison, Sam G. |
| Hart Exploration And Production Company |
| Hart S-Green Trust |
| Harvest Time Oil, Inc. |
| Haskell Etal |
| Hat Oil Co |
| Hatch, J. R. |
| Hathaway, Marc L. |
| Hauge Bros. |
| Hauge-Truesdell Co. |
| Haugen |
| Havre Drilling Co. |
| Havre Natural Gas Co. |
| Hawkeye Oil Co |
| Hawkins, Robert S. |
| Hawley & Desimon |
| Hawley Company, Ted |
| Hawley Hydrocarbons, Merrill&Carol Hawley Dba |
| Hawley Oil Company |
| Hawley, J.B. |
| Hawley, Luella |
| Hawley-Northrup |
| Hawthorne Exploration |
| Hawthorne Oil & Gas Corporation |
| Hayes, Harold |
| Hayes, R.E. |
| Haynes, Keisel |
| Headington Oil Company LLC |
| Heah, A.A. |
| Heavy Water Haulers Inc. |
| Hecla Oil Co. |
| Hedges, Spencer B. |
| Heep Oil |
| Heintz & Peterson |
| Heintz, R.A. |
| Heintz, R.A. and Peterson, M.C. |
| Held By Production, Inc. |
| Helis Oil and Gas Company, LLC |
| Helis, Estate Of William G., A Partnership |
| Hellgate Ventures Inc. |
| Hellinger Bros Farm |
| Helmac Trust |
| Helmerich & Payne Inc |
| Helton Eng. & Geol. Services |
| Henderson Oil |
| Henderson Prod. Co. |
| Hendrickson, C.H. |
| Henningsgard, Warren I. |
| Herco Exploration LLC |
| Heringer, C. |
| Herman, Theodore E. And Herman, Gladys T. |
| Hesla Oil Co |
| Hesla Oil, LLC |
| Hesla-Sunburst |
| Hewitt Producing Company |
| Hewson & Lewis |
| Hexane Oil, Inc. |
| Heyting Etal |
| Hi Line Sixty Six Corp. |
| Hi-Land Vandael |
| Hibbard Oil Co |
| Hibbing-Sunburst Oil Co. |
| Hickerson Oil |
| High Crest Oils, Inc. |
| High Gravity Oil |
| High Plains Oil Corporation |
| Highland Oil Co. |
| Highland Oil and Gas, LLC |
| Highland Resource |
| Highlands Montana Corporation |
| Highline Exploration, Inc. |
| Hill & O'Neil |
| Hill, Louis W. |
| Hilldale Colony |
| Hilldale Hutterite Colony |
| Hilliard O&G |
| Himle-Inland Petroleum |
| Hingham-Hobson Oil Company |
| Hinman-Rienhoff I |
| Hinto Energy, LLC |
| Hoadlay, W.C. |
| Hodge, T.F. & Assoc |
| Hodge-Smith-Hodge |
| Hodges, A.J. Industries, Inc. |
| Hoefle, Richard C. |
| Hoerr & Jenson Corp. |
| Hofland, James D. |
| Hogan Oil Etal |
| Hohn, John |
| Holden Energy Corporation |
| Hole Brothers |
| Hole, B.V. |
| Hole, S.A. |
| Holiday, S.L. Etal |
| Holland American |
| Holliday, S.L. Etal |
| Hollingsworth Etal |
| Holly Sugar Corp. |
| Holman, C.A. |
| Holt, Sherman And Vivian |
| Home Oil |
| Home Petroleum Corporation |
| Homestake Oil & Gas Co. |
| Hondo Oil And Gas Company |
| Honolulu Oil Corporation |
| Hoosier Oil Co. |
| Hoover & Todorovi |
| Horse Prairie Oil Co. |
| Hose, R.A. Etal |
| Hose-Austin Drilling Corp. |
| Hoss, Robert L. |
| Hough & Nepstad |
| Houston Exploration Company, The |
| Houston Oil & Minerals Corporation |
| Hover-Schwartz |
| Howard & Brickers |
| Howard, G.G. |
| Howell Petroleum Corp. |
| Howell-Field |
| Hoyt Etal |
| Hoyt-Montana Co. |
| Hubbard, Eldon E. |
| Huber Corp |
| Huber Mont Corp |
| Huber, J.M., Corporation |
| Huckabay, E Doyle Ltd |
| Huddle, T.C. Etal |
| Hudson, R.E. |
| Hudson, W.T. Etal |
| Hughes Texas Petroleum, Ltd. |
| Hughes, D.G. |
| Hughes, Frank |
| Hugoton Energy Corporation |
| Humble Oil & Refining Co. |
| Humphreys, Buel H |
| Hungerford |
| Hunley Etal |
| Hunt Energy Corporation |
| Hunt Eugene |
| Hunt F.E. |
| Hunt F.H. |
| Hunt Oil Company |
| Hunt Petroleum |
| Hunt Petroleum (AEC), Inc. |
| Hunt Trust |
| Hunt, Estate Of H L |
| Hunt, Lamar |
| Hunt, Lyda Etal |
| Hunt, Mark |
| Hunt, Ray L. |
| Hunt, William Herbert Trust Estate |
| Hunter Energy LLC |
| Huntington Energy, LLC |
| Huntington Resources, Inc. |
| Huntley |
| Hurd, Gordon |
| Husky Oil Company |
| Huso Brothers |
| Huso Et Al |
| Hussey, Gordon |
| Hydra MT LLC |
| Hyland Oil |
| IMC Expl |
| ITR Petroleum (Delaware), Inc. |
| Idamont Oil Co. |
| Ideal O&G |
| Ihli J A |
| Impel Energy Corporation |
| Imperial Craig |
| Imperial Minerals |
| Imperial Resources, Inc. |
| Independent Natural Gas Co. |
| Indian Oil |
| Indrex, Inc. |
| Industrial Energy |
| Industrial Fuels |
| Inexco Oil Company |
| Infinity Oil |
| Inland Empire |
| Inland Empire Oil & Gas Syndicate |
| Inland Petroleum Co. |
| Inland States Oil |
| Inman, Charles E. |
| Integrity Oil & Gas Company |
| Inter-City Gas Lt |
| Inter-Mountain States Oil Co. |
| Inter-Tech Resources, Inc. |
| Intermountain Leasing, Inc. |
| Intermountain Operating, Inc. |
| International Holding Company |
| International Nuclear Corp. |
| International Oil Syndicate |
| Interstate Explorations, LLC |
| Interstate Oil |
| Intoil, Inc. |
| Investestate |
| Investors Drilling Ventures, Inc. |
| Investors Drlg Ve |
| Iofina Natural Gas, Inc. |
| Iowa Mid-West Expl. Co. |
| Irex Operating Co. |
| Isern & Keyes |
| Isern Brothers |
| Isern, M.A. |
| Italo Petroleum Corp. of America |
| Iver J. Johannesen |
| Iverson, C. J. |
| Iverson, C. J. & Associates |
| J & G Operating |
| J & W Operating |
| J H Oil Company (James Hofland) |
| J P C Corp |
| J&M Snake Creek Disposal, Inc. |
| J-W Operating Co |
| J. M. Resources Inc. |
| J.H.R. Corp. |
| J.J. Bunkirt Oil & Gas Corp. |
| JCL Oil Co |
| JN Exploration & Production Ltd Partnership |
| JPC Corp |
| Jack Creek Oil |
| Jack Rabbitt Oil Co. |
| Jackman, Robert P., Inc. |
| Jackson Dome Syndicate |
| Jackson, Frances L. |
| Jackson, L.B. Etal |
| Jackson, L.P. |
| Jackson, M. & Austin, C.W. |
| Jackson, Miles |
| Jackson, R.P. |
| Jackson-Scott |
| Jadar Resources |
| Jake Oil, LLC |
| Jamestown Development Co. |
| Jansky, Carl |
| Janssen Gas |
| Jarvis Etal |
| Jayhawk Exploration Inc. |
| Jaysee Drlg Co |
| Jedeman, Rudy |
| Jeffries Oil Trust |
| Jem Pet |
| Jensen & Sollars |
| Jettison, Inc. |
| Joaquin Oil & Gas Company, Inc. |
| Jocelyn-Varn Oil |
| Johannsen Farms, Inc. |
| John D. Co., The, Inc. |
| Johns & Hagen |
| Johnson & Johnson Co. |
| Johnson Oil |
| Johnson, J. E. |
| Johnson, Arthur & Elvin Sundgren |
| Johnson, Earl Et Al |
| Johnson, J.P. |
| Johnson, J.W. |
| Johnson, Ray A. |
| Johnson, S.W. |
| Johnson, Verne |
| Johnson-Mobley |
| Johnson-Myers |
| Johnston Petroleum Corporation |
| Johnston, E.C. Etal |
| Johnston, Jack M. |
| Jones Oil Co. |
| Jones Petroleum Corp. |
| Jones, Dick Etal |
| Jones, Rice & Perkins |
| Jordan Etal |
| Jordan Oil & Gas Co |
| Jordan, R.M. |
| Jorgensen & Sperry |
| Josephson, Joe Etal |
| Judith Basin Oil Co. |
| Judith Oil Co |
| Judith Operating Co. |
| Juedeman, R.F. Etal |
| Jungwirth, Francis |
| Juniper Petroleum Corp. |
| Jurassic Resources Development NA LLC |
| Justice SWD, LLC |
| K2 America Corporation |
| KCS Resources, Inc. |
| KGH Operating Co. |
| Kaiser Energy, Inc. |
| Kaiser-Francis Oil Company |
| Kal-Bar Oil |
| Kal-Montana Oil |
| Kalamath Oil |
| Kalberg, Geo. Etal |
| Kaler, Howard |
| Kalfax Petroleum Company |
| Kalispell Oil Co. |
| Kalispell-Coleman Oil Co. |
| Kalispell-Craig Syndicate |
| Kalispell-Niarada Oil Co. |
| Kalispell-Polson Oil Co. |
| Kaneb Oil & Gas Company |
| Kaneb Operating Company, Ltd. |
| Kansas & Montana Oil & Gas Co. |
| Karman Ranches LLC |
| Karsted Operating, LLC |
| Kasoming Oil Co. |
| Kassa Oil And Gas, Inc. |
| Kateley & Drumheller |
| Kateley & Kemp |
| Kateley, A. |
| Kathol Petroleum |
| Katselas, C.G. LLC |
| Keener Oil |
| Keesun Corporation |
| Keil, G.J. |
| Kellenberger B J |
| Keller, Arliss M. |
| Kelley-Ehr |
| Kelly Oil and Gas LLC |
| Kelly, E.L. |
| Kenai Oil & Gas, Inc. |
| Kenney, Stephen J. |
| Kerr-Mcgee Corp |
| Kerry Petroleum Company, Inc. |
| Kesun Oil |
| Kevin Land Co |
| Kevin Oil & Gas |
| Kevin-Roberts Oil Co. |
| Kevin-Sunburst Holding Corp. |
| Kewanee |
| Keylon Et Al |
| Keystone Oil Syndicate |
| Kidd Barron |
| Killion Farms |
| Kilroy Company Of Texas, Inc. |
| Kimbark Oil & Gas Company |
| Kimm, Stanley |
| Kincheloe, Mavis - Kincheloe Ranch |
| King Oil Company |
| King Resources Company |
| King, Michael M. |
| King-Sherwood Oil |
| King-Stevenson Gas and Oil Co. |
| Kingwood Oil |
| Kintla Oil Co. |
| Kipling Energy Incorporated |
| Kippen Oil & Gas |
| Kirby Exploration |
| Kirby Petroleum |
| Kirby Royalties |
| Kirby-Vensyn |
| Kirk Oil |
| Kirk, Carrol J. Etal |
| Kirk, T.A. & H.L. Neeb |
| Kirk, V.M. |
| Kirkwood, W.C. |
| Kirkwood, William C.And Wesco Operating, Inc. |
| Kissinger, Clyde E. |
| Kissinger, Clyde G. |
| Kite Cattle Company |
| Kittendorf, G. A. |
| Klabzuba Oil & Gas, Inc. |
| Klabzuba Operating Company |
| Klamath Oil |
| Klein, Fred P. |
| Kluth Etal |
| Kluth, H.M. |
| Knaup, Harry J. & Lucille |
| Knees Production |
| Knight & Miller Oil |
| Knight, G. Charles |
| Knight, Reuben B. |
| Koch Exploration Company |
| Koch Industries Inc. |
| Kodiak Oil & Gas |
| Kodiak Oil & Gas (USA) Inc. |
| Koerber, Anton |
| Kolstad Farms (Allen & Chris Kolstad) |
| Kornowski, Fred |
| Kraken Operating, LLC |
| Kremlin Petroleum |
| Kronmiller, Bert |
| Kropp Corporation |
| Kuhleman, Milton H. |
| Kullberg & Otthouse, Inc. |
| Kullberg Oil |
| Kykuit Resources, LLC |
| Kyle Etal |
| L & B Oil Co Inc. |
| L & H Resources LLP |
| L C Energy |
| L.S. Farms, Inc. |
| La Mar Oil |
| LaMarsa Corp. |
| Lacy, R. |
| Ladd & Lewis |
| Ladd Petroleum Corporation |
| Ladd-Lukowicz |
| Ladow R E |
| Laffea Oil |
| Lake Basin Oil |
| Lammers Etal |
| Lance Oil and Gas Company |
| Landes, Todd |
| Landheim Development Co. Ltd. |
| Landheim, G. Etal |
| Landtech Enterprises, LLC |
| Langham Petroleum Exploration |
| Lanouette, Gordon |
| Lario Oil & Gas Company |
| Lario Oil and Gas Company |
| Larsen, Joseph R. |
| Larslan Water Disposal |
| Larson & Ness |
| Larson & White |
| Larson Drilling Co. |
| Lasmo Energy Corporation |
| Last Chance Oil Co. |
| Latah-Idaho O.& G. Co. |
| Latham Exploration Company, Inc. |
| Lauck, George A. |
| Laurel Oil Co. |
| Lautt, Vicki L, Richard A Dorn& Wm H Hemmings |
| Lawler & Hoerr |
| Lawrence Co. |
| Lawson-Hanbury Oil Syndicate |
| LeClair Operating |
| Lear Petroleum Exploration, Inc. |
| Leben Drilling Inc. |
| Leben, Theodore I. |
| Lee & Associates |
| Lee Bros |
| Lee, R.E. |
| Legacy Reserves Operating LP |
| Legend Resources, Inc. |
| Leivestad, Dale LLC |
| Lerum, Monte and Sharon A. Living Trust, The |
| Les Terr Farms, A Mt Corp. |
| Letson, Michael L. & Taylor, Charles H. |
| Lewis & Clark Co. |
| Lewis, E.G. Development Co. |
| Lewistown Oil Etal |
| Lewmont Drilling |
| Lexa Oil Corp. |
| Liberty Gas |
| Liberty Oil & Gas |
| Lien, Pete & Son |
| Liggett J.A. Trust |
| Lik'em & Slick'em Oil Company |
| Lilly Et Al |
| Linco Oil Co. |
| Lincoln Oil Co |
| Lindberg Ranch, Inc. |
| Lindberg, Ralph J. or Anna M. |
| Liniger, W.W. |
| Linn Operating Inc. |
| Linthacum, L.C. |
| Linville & Smith |
| Lion Et Al |
| Lion Oil Producing Co. |
| Lipman Oil Co. |
| Liquid Gold Oil |
| Little Beaver Oil & Gas |
| Little Rocky Development Co. |
| Livingston & Courdin Expl. Inc. |
| Livingston, Eugene |
| Local Oil |
| Lockridge, John P. |
| Logan Corporation |
| Loma Etal |
| Lone Mountain Production Co. |
| Lone Star Montana |
| Lone Star Producing Co. |
| Lonewolf Energy, Inc. |
| Lonewolf Operating, LLC |
| Loney, Arnold |
| Longshot Oil, LLC |
| Longstring Energy Corporation |
| Lorne Resources, Inc. |
| Louis Oil Co. |
| Louisiana Land & Exploration Company, The |
| Love & Flesch |
| Love Oil Co Inc. |
| Lovelace, Frank |
| Lovelady, I.W. |
| Lowe, Ralph |
| Lowrance, Darrell A. |
| Loy Oil |
| Lucky Forty Co. |
| Lucky Seven Oil |
| Lucky Six |
| Ludowise & Peterson |
| Luff Exploration Company |
| Luhman et al |
| Lund Et Al |
| Lustre Oil Company LLC |
| Lustre Salt Water Disp, Vernon R. Justice Dba |
| Lybeck, Colin |
| Lyco Energy Corporation |
| Lyle-Hawks & Cox |
| Lyon, John J. |
| Lytm Company, Inc. |
| M & E Oil |
| M & J Oil Co. |
| M & K Oil Company |
| M & M Farms |
| M H O Drilling |
| M K M Exploration |
| MCOR Oil And Gas Corporation |
| MCR, LLC |
| MGF Oil Corporation |
| MGPC |
| MHO Drilling Company |
| MLB, LLC |
| MOGO Reagan, LLC |
| MSC Exploration LP |
| Mac Oil Co. Of Sterling, Inc. |
| MacKinney Oil & Drilling Co. |
| MacQuest Petroleum Inc |
| MacQuest Resources,Inc&Macquest Petroleum,Inc |
| Mack Oil |
| Macklenberg & Minomeyer |
| Macpet |
| Macum Energy Inc. |
| Madeline Oil |
| Madison Oil Co |
| Madison Resources |
| Magic City Oil Co. |
| Maham, W.J. |
| Maharg Oil Co. |
| Main Energy, Inc. |
| Main Realty, Inc. |
| Majestic Oil |
| Makalu Oils Ltd. |
| Makoil, Inc. |
| Mallard Petroleum |
| Mallon Oil Company |
| Malone, Ebert |
| Malone, Isabelle M. |
| Man River Oil & Gas Co., Ltd |
| Manhattan Oil Co |
| Manifold Mineral & Mining Co. |
| Manley, John D. |
| Manning, J.E. |
| Manning, R.L. |
| Mansfield-Kevin Syndicate |
| Manti Operating Co / Manti Resources Inc. |
| Manuel Corporation |
| Mapco Production Company |
| Mapp Exploration, Inc. |
| Mar-Win Development Co. |
| Marathon Oil Company |
| Marena Oil Co. |
| Marias River Ranches, Inc. |
| Marias River Syndicate |
| Marigold Oil Ltd |
| Marina Oil |
| Marine Oil Co. |
| Markland Corporation |
| Marlea Exploration Ltd. |
| Marlis Producing Co. |
| Marmik Oil Company |
| Marnell Resources Inc. |
| Marshall & Winston, Inc. |
| Marshall Jack |
| Martin Oil Company |
| Maryland Corporation |
| Maschera, John |
| Maser Etal |
| Massey Oil & Gas |
| Masterson Etal |
| Matador Petroleum |
| Mathews-Hanna Drilling Co. |
| Matlock Etal |
| Matthews, Charles |
| Maverick Oil Co. |
| Maxus Exploration Company |
| Maxwell Oil |
| May Petroleum, Inc. |
| Mayco Exploration |
| Mayer, Len |
| Mayhill Oil |
| Mc Hugh & Associates |
| McAlester Fuel Co |
| McBride, W.C. Inc. |
| McCarthy Etal |
| McCarthy, Glen |
| McCarthy, Lawrence J. |
| McCartney, Clay H. |
| McClure Etal |
| McConnel Drilling |
| McCormick Oil & Gas Company |
| McCoy Oil |
| McCracken Etal |
| McCue Etal. |
| McCullis Resources Co., Inc. |
| McCurdy |
| McCutcheon, G.D. |
| McCutchin, Jerry J. |
| McDermid Etal |
| McDermott, J. Ray |
| McDonald Etal |
| McDonough, P.J. |
| McDougall, E.A. |
| McDowell Ranches Inc. |
| McElroy Ranch |
| McElwain Dev Co |
| McFarland Energy, Inc. |
| McFarland, A.H. |
| McGregor, M.D. Etal |
| McIntyre, John J. |
| McKee, E.R. |
| McKee, Raymond A. |
| McKee, S.J. |
| McKenna, J.E. |
| McKenzie Drilling |
| McKenzie, D.S. |
| McKenzie, J.D. |
| McKnight, Ish |
| McKnight, William |
| McLaughlin, C.T. |
| McLean, John J. And Sons, Inc. |
| McMahon Bullington Drilling Co. |
| McMenamin, C.B. |
| McMinn Operating Company |
| McMurry, W.N. |
| McOil Montana One LLC |
| McPherson |
| McPhillips, Beatrice E. |
| McPhillips, Bernice |
| McRae & Henry Ltd |
| McRae Oil |
| McRae-Dorough Inc. |
| McShane, C.R. |
| Mechanical Advantage Inc. |
| Medallion Oil Company |
| Medders Oil |
| Medicine Bow Operating Company |
| Melland, Con |
| Melton Corp. |
| Mendell Energy Technologies, Inc. |
| Meows Oil |
| Mercury Exploration Co. |
| Meridian Oil Production Inc. |
| Merit Energy Company |
| Merit Energy Corporation |
| Merland Oil & Gas Inc. |
| Merrill & Sweet |
| Merritt, D. |
| Mertz Energy LLC |
| Merz, Chas Etal |
| Mesa Operating Limited Partnership |
| Metropolitan Petroleum Co. |
| Metzembaum Syndicate |
| Miami Oil Producers, Inc. |
| Michener |
| Michigan-Montana Oil Co. |
| Michigan-Wisconsin Pipe Line |
| Mid-American Oil |
| Mid-Northern Oil Co. |
| Mid-Rocky Development Co. |
| Mid-States Oil Co. |
| Middle Fork Oil |
| Midland Empire Oil |
| Midland Oil |
| Midland Petroleum |
| Midlands Gas Corp. |
| Midroc Oil Et Al |
| Midway Energy, LLC |
| Midwest |
| Midwest Oil Corporation |
| Midwest Refining Co. |
| Milan, M. C. |
| Miles City Oil Co. |
| Miles Jackson, Inc. |
| Mill City Oil Co. |
| Miller Exploration Company |
| Miller, Duncan |
| Miller, Frank I. |
| Miller, J. Et Al |
| Miller, W.-L. Shelley |
| Mills Oil |
| Milton Corp. |
| Mineral Research |
| Minn-Northern Power Co. |
| Minnemont Gas & Oil Co. |
| Minnesota Flatwillow Petroleum Corp. |
| Minnesota Oil Etal |
| Minnesota Pet. Co. |
| Minot-Shelby Oil |
| Minuteman Exploration, LLC |
| Minzel, Irvin Etal |
| Miracle Oil Co. |
| Misc Oil Co |
| Mission Oil |
| Mission Ridge Enterprise |
| Missoula-Flathead Oil Pools |
| Missoula-Kevin Oil Co. |
| Missouri Basin Well Service, Inc. |
| Missouri River Royalty Corporation |
| Mitchell Energy Corporation |
| Mitchell Et Al |
| Mitchner Etal |
| Mobil Exploration&Producing North America Inc |
| Mobil Oil Corp. |
| Mobil Oil Corporation |
| Moccasin Trails Farm, Inc. |
| Model Oils Ltd |
| Modern Oil Co |
| Molen Drilling Co., Inc. |
| Molt Oil & Gas |
| Momco Inc. |
| Mon-Dak Utilities Co. & Fidelity Gas Co. |
| Mon-O-Co Oil Corp |
| Monarch Gas Corporation |
| Monarch Oil & Gas |
| Moncana Petroleums, Inc. |
| Moncrief Etal |
| Mondak Oil Co. |
| Mondakota Development Company |
| Monopeg Oil & Gas (Oils, Ltd.) |
| Monore Co |
| Monsanto Company And Monsanto Oil Company |
| Monsanto Lion Oil |
| Mont Consolidated Gas Co. |
| Mont Mil Operating Company |
| Montacal |
| Montalban Oil & Gas Operations, Inc. |
| Montalban Oil Etal |
| Montalta Oil Co |
| Montana Bell Oil & Gas Co. |
| Montana Canadian Oil Co. |
| Montana Central Oil Co. |
| Montana Cooperative Oil Co. |
| Montana Corp |
| Montana Dakota Utilities |
| Montana Drilling Equip. Co. |
| Montana Eagle Oil |
| Montana Energy Company, LLC |
| Montana Exploration |
| Montana Gas & Oil |
| Montana Gas & Petroleum Co. |
| Montana Gas Co. |
| Montana Gas Corp. |
| Montana Giant Oil Co. |
| Montana Headlight Oil Co. |
| Montana Heartland LLC |
| Montana Land & Exploration, Inc. |
| Montana Land & Mineral Co. |
| Montana Major Oil |
| Montana Oil & Gas, LLC |
| Montana Oil Drilling Syndicate |
| Montana Oil Field Acquisition I, LLC |
| Montana Oils & Mines |
| Montana Pacific |
| Montana Pacific Oil & Gas Co. |
| Montana Pioneer Oil Co. |
| Montana Power Company |
| Montana Power Gas Company |
| Montana Reserve Oil Co. |
| Montana Sunrise Gas Co. |
| Montana Syndicate |
| Montana Yellowstone Oil Company |
| Montana, B.C., Oil Wells, Ltd. |
| Montana-Portland Company |
| Montara Petroleum |
| Montasota Oil & Dev. Co. |
| Monte Grande Exploration, Inc. |
| Monterey Exploration |
| Monterrey Petroleum Corporation |
| Montex Oil & Gas |
| Montex Petroleum |
| Montil Oil Company |
| Moore Operating |
| Moorehead, E.T. |
| Moran, Thomas C. |
| Morgan & Edwards |
| Morgan & Johnson |
| Morgan, J.H. Sr |
| Morning Star Energy, LLC |
| Morrill & McNeese |
| Morris Oil |
| Morse, R.O. |
| Morton & Cloutrer |
| Morton & Shaw |
| Morton Brothers, Dba |
| Morton Oil & Refining Co. |
| Morton, A.W. |
| Morton, K.C. |
| Morton, N.C. |
| Mosbacher Production Co |
| Mosby Consolidate |
| Mosby Dome Syndicate |
| Mosby Oil |
| Moscow Oil & Exploration Co. |
| Mountain Chief Oil Company |
| Mountain Fuel Supply Co And Celsius Energy Co |
| Mountain Minerals |
| Mountain Pacific General Inc. |
| Mountain Petroleum |
| Mountain States Drilling Co. |
| Mountain States Oil Co. |
| Mountain States Petroleum Corp. |
| Mountain States Resources Inc |
| Mountain View Energy, Inc. |
| Mouse River Oil &Gas |
| Muddy Creek Oil Co. |
| Mueller, C. Lee |
| Mulcahy, C.H. |
| Mule Creek Oil |
| Mull Drilling Co., Inc. |
| Munger Et Al |
| Munger-O'Connell |
| Murex Petroleum Corp. |
| Murfin Drilling |
| Murphy Drilling Corporation |
| Murphy Exploration and Production Co. |
| Murphy Minerals |
| Murphy, C.H. |
| Murphy, H.R. Etal |
| Murphy, J. M. & Co. |
| Murphy, Joe |
| Murphy, Nevel E. |
| Murray Etal |
| Murray, Frank |
| Murray, George H. J. |
| Musselshell Oil Co., Inc. |
| Musselshell Valley Oil Co. |
| Muth, Geo. & Fort P. |
| Mystique Resources Company |
| NFR Bear Paw Basin, LLC |
| NRC Development, LLC |
| Nadean Drlg |
| Nadeau Brothers |
| Nadeau, Wilfred |
| Nadel and Gussman Rockies, LLC |
| Nagasco Inc |
| Nairns & Parsons |
| Nance Petroleum Corporation |
| Nanton Oil Co. |
| Napar Oil & Gas Co. |
| National Associated Pet. Co. |
| National Exploration Co. |
| National Oil Company |
| National Parks Oil Co. |
| National Refining |
| Native American Energy Group, Inc. |
| Natol Petroleum |
| Natomas North America, Inc. |
| Natural Energy Corporation |
| Natural Gas Corporation Of California |
| Natural Gas Processing Co. |
| Natural Resource Management Corporation |
| Navasota Resources Ltd. |
| Nearburg Producing Company |
| Needmore Oil |
| Nelson, Donel or Patterson, Kristin S. |
| Nelson-Sunburst Oil Co. |
| Nepple, Edward |
| Nepstad Et Al |
| Nepstad, James V |
| Nepstad, O.A. |
| Nepstad-Edwards |
| Nepstad-Vander Vas, & Montgomery |
| Neptune Oil & Gas |
| Nerdlihc Company Inc. |
| Nesmont Oil |
| Neudigate |
| Neudigate Estate Inc. |
| Neudigate L C |
| New Day Oil |
| New Drilling |
| New Era Fuel |
| New Horizon Resources LLC |
| Newell & Chandler |
| Newstar Energy USA, Inc. |
| Newton & McMurray |
| Nexen Oil & Gas USA, Inc. |
| Nickerson & Nickerson |
| Nicor Exploration Company |
| Nielco, Inc. |
| Nielson & Associates, Inc. |
| Nielson, Max |
| Nine Point Energy, LLC |
| No Bonded Operator |
| No Jack Oil Co |
| No. American Royalties, Inc. |
| Noah Energy, Inc. |
| Noble Energy, Inc. |
| Noon, W.A. |
| Nor-Am Exploration Corporation |
| Norbeck Company |
| Norbeck, Peter & George |
| Norcen Explorer Inc. |
| Norfolk Energy Inc. |
| Norman, Guy, Etal. |
| Norman, W.M. |
| Norris W.D.I. |
| Norsworthy & Reger |
| North American Exploration LLC |
| North American Hydrocarbon Corp. |
| North American Resources Company |
| North American Technical Trading Company, Inc. |
| North Central Oil Corp. |
| North Central Oil Corporation |
| North Conrad Syndicate |
| North Range Exploration, LLC |
| North West Pipe Line Co. |
| North West States Utilities |
| NorthWestern Corporation |
| Northern Cheyenne Tribes |
| Northern Drilling |
| Northern Michigan Exploration Company |
| Northern Montana Oil Services Inc |
| Northern Nat. Gas Dev. Co. |
| Northern Natural Gas Producing Co. |
| Northern Oil & Gas Co. |
| Northern Oil Production, Inc. |
| Northern Ordinance, Inc. |
| Northern Pacific Oil & Gas |
| Northern Petroleum Company |
| Northern Producing LLC |
| Northern Pump Company |
| Northern Star Oil & Refining Co. |
| Northern States Oil Co. |
| Northfield Reliance Oil Co. |
| Northland Oil & Gas Corp. |
| Northland Royalty Operating Company |
| Northstar Gas Company, Inc. |
| Northwest Petroleum |
| Northwest Production Corp. |
| Northwest States |
| Northwestern Energy, LLC |
| Northwestern Improvement Co. |
| Northwestern Oil Development Co. |
| Norwegian-American Oil Co. |
| Norwood, Earl E. |
| Noyes Et Al |
| Nucorp Energy Inc |
| Nugas Resources (Us) Inc. |
| Nyhagen & Bell |
| Nyvatex Montana Corp. |
| Nyvatex Oil Corporation |
| O M K Petroleum |
| O'Brien & Joslin |
| O'Conner & Heringer |
| O'Connor, F.M. |
| O'Haire Etal |
| O'Hanlon-York Etal |
| O'Hara, E.B. |
| O'Hare Energy Cororation |
| O'Keefe Drilling Company |
| O'Neil Bros. |
| O'Neil Development Co. |
| O'Neil, L.B. |
| O'Neil, Tip Et Al |
| OXY USA Inc. |
| Oak Oil Co., Ltd. |
| Oakley & Hays |
| Oakmont Oil |
| Oakwood Petroleum Corp. |
| Oasis Petroleum North America LLC |
| Occidental Petroleum Corp. |
| Ocean Energy Resources, Inc. |
| Ocean Energy, Inc. |
| Oceanic Oil |
| Ocelot Oil Corporation |
| Odessa Natural Corporation |
| Oh Boy Oil Co. |
| Ohio Fuel Supply |
| Ohio Oil Company |
| Oien Drlg |
| Oien Oil |
| Oien, C.T. |
| Oien, J.A. |
| Oien, Joe |
| Oil & Gas Futures |
| Oil Country Traders |
| Oil Development Company Of Texas |
| Oil Drillers Ltd. |
| Oil Producers Syndicate |
| Oil Resources Incorporated |
| Oil Springs Development Corp. |
| Okie Crude Company |
| Oklamont Oil |
| Oliver, Donald M. |
| Oliver, R.P. |
| Olsen, R. Todd |
| Olson-Gish Oil |
| Olympic Exploration & Production Co |
| Olympic Petroleum |
| Omega Oils Ltd |
| Omimex Canada, Ltd. |
| Oneil, L B |
| Oneok Exploration Company |
| Onstad & Good |
| Onstad Grain Company |
| Onstad, C.M. |
| Onstead & Chebul |
| Opal Oil Company |
| Opal Oil Corporation |
| Opheim Oil & Gas |
| Orbit Ventures Inc |
| Orchowski, Joseph |
| Oregon Flatwillow Development Co. |
| Oregon-Montana Gas &Oil Co. |
| Oregon-Montana Oil Co. |
| Orion Energy Partners LP |
| Oroco Oil |
| Orr, Merrit D. |
| Ortner, George and Linda |
| Orville-Okangan Oil Co. |
| Oryx Energy Company |
| Osborne Oil |
| Ostland, F.G., Etal. |
| Outlook Petroleum Corp. |
| Overseas Petro. Co. |
| Ovintiv USA Inc. |
| Owanah Oil & Development Corp. |
| Owen, K.D. |
| Oxford Exploration Company |
| Oxy Petroleum Inc |
| Ozark Corp. |
| P & M Petroleum Management |
| P M K Petroleum |
| P&O Oil & Gas Co. |
| P-M Drilling Company |
| PARMT LLC |
| PEDCO Resources Co. |
| PIC Production Company, Inc. |
| PT Energy, LLC |
| Pace, John W. |
| Pacer Resources, Inc. |
| Pacific Enterprises Oil Co. |
| Pacific Gas Transmission Co. |
| Pacific National Oils |
| Pacific Northwest Gas & Oil Co. |
| Pacific Petroleum |
| Pacific Western Oil Corp. |
| Pack Petroleum |
| Padon Company |
| Padon, D. A. |
| Page Petroleum, Inc. |
| Pahasapa Oil Co |
| Palmer Oil & Gas Company |
| Pamect Oil, Keith E. Tyner Dba |
| Pan American Petroleum |
| Pan Canadian Oil Co. |
| Pan Canadian Petroleum Company |
| Panther Energy Company, LLC |
| Panther Oil Properties, Inc. |
| Par Oil Company |
| Pardee K D |
| Pardee-Inland Emp |
| Pardue A R |
| Pardue-Kropp |
| Park Ohio Energy, Inc.(Poi Engy Inc.) |
| Park Oil |
| Parker & Parsley Petroleum Company |
| Parker, George |
| Parkinson, E.J. |
| Parklane Exploration Inc. |
| Parrant, R.G. |
| Parrent Slim |
| Parsell, David |
| Parsell, R. W. |
| Parsell, R.F. |
| Parsell, RF Partnership |
| Partee, W.C. |
| Pass Oils, Ltd. |
| Pathfinder Petroleum |
| Patrick Petroleum Corporation Of Michigan |
| Patriot Farms |
| Patterson, H.F. |
| Pattie, R.L. |
| Pattie-Stewart Etal |
| Pattison, Kyle C. |
| Paugh, Gerald W. |
| Pearson, Anton |
| Pearson, Gabriel |
| Peerless Development Co. |
| Peerless Oil & Gas Co. |
| Peerless Oil Company |
| Pel-Tex Pet. Etal |
| Pelissier Etal |
| Pelletier, John |
| Pemaco Oil Co. |
| Pend Oreille Oil & Gas Company |
| Pengo Pet Etal |
| Penn Oil & Devel |
| Pennaco Energy, Inc. |
| Pennant Drilling Co. |
| Pennant Oil Company |
| Pennock S W |
| Pennzoil Company |
| Pennzoil Exploration And Production Company |
| Penwell, Lewis F. |
| Peoples Oil & Gas |
| Perron J W |
| Perry, Linville, & Smith |
| Pestal & Kinney Drilling Co. |
| Peterson & Sorenson |
| Peterson, M. C. |
| Petq, Inc. |
| Petrana Exploration Llc |
| Petro Productions,Petrotec Production,Inc Dba |
| Petro-Hunt, LLC |
| Petro-Lewis Corporation |
| Petro-Lewis, Ltd. |
| Petro-Pak Corp |
| Petro-Search |
| Petro-Sentinel LLC |
| PetroSearch Operating Company LLC |
| Petrocorp Incorporated. |
| Petrofunds Inc |
| Petrolero Corporation |
| Petroleum Corp Of Texas |
| Petroleum Corporation Of America |
| Petroleum Development Corp. of New Mexico |
| Petroleum Engineering & Management Corp. |
| Petroleum Exploration Consultants, Inc. |
| Petroleum Producers & Refiners Corp. |
| Petroleum Producers Inc |
| Petroleum Resources Corp. |
| Petroleum, Inc. |
| Petroquest Inc |
| Petrorep, Inc. |
| Petroshale Energy, LLC |
| Petrox Petroleum Company |
| Pfabe & Engleking |
| Pheister - Grenz |
| Phillips County Oil & Gas Co. |
| Phillips Petroleum Company |
| Phoenix Drlg |
| Phoenix Energy, Inc. |
| Phoenix Exploration Group, Inc. |
| Phoenix Production Co. |
| Phoenix Resources Company |
| Pickens, W C |
| Piegan Oil Co |
| Pilot Production |
| Pine Ridge Oil |
| Pine W H |
| Pinnacle Energy Group, LLC |
| Pinnacle Gas Resources, Inc. |
| Pinnacle Ranch, Inc. |
| Pinon Petroleum Corporation |
| Pintail Petroleum, Inc. |
| Pioneer Energy Corporation |
| Pioneer Exploration Co., Inc. |
| Pioneer Natural Resources USA, Inc. |
| Pioneer Oil |
| Pioneer Oil & Gas |
| Pioneer Production Corp. |
| Pitch Henry |
| Pitcock Inc |
| Pitman Production |
| Placid Oil Company |
| Plain Energy USA, LLC |
| Plains Exploration |
| Plains Petroleum Operating Co. |
| Plateau Etal |
| Platt R C |
| Platt-Bell |
| Playa Oil & Gas, LP |
| Plotke & Rader |
| Plotke, G M |
| Plymouth Oil |
| Polumbus Corporation, The |
| Polumbus, E.A.,Jr. |
| Ponder Oils |
| Pondera Partners Limited Partnership |
| Pondera Valley Oi |
| Pool, Fred Drlg |
| Poplar Development Syndicate |
| Poplar Oil |
| Poplar Resources LLC |
| Porker Oil |
| Porter Lease Venture,(Joachim Richter,Dba) |
| Porter Oil Corporation |
| Porter Sesnon |
| Porter Sid |
| Poss Petroleum |
| Postewait & Van Meer |
| Poston, H. L. |
| Potlatch Oil & Gas Co. |
| Potlatch Oil & Refining Co |
| Potter Basin O&G |
| Potter, Peter |
| Powder Battalion Holdings LLC |
| Powder River Gas, LLC |
| Powder River Oil |
| Power City Oil & Gas Co. |
| Powers Energy Inc. |
| Pownal Oil Co. |
| Poynter, Sam |
| Prairie Dog Exploration, LLC |
| Prairie Oil & Gas |
| Prairie Rose Oil |
| Premier Petroleum Corp. |
| Prescott, Gordon H. |
| Presidio Exploration, Inc. |
| Prevol & Shay |
| Prevol, Ed |
| Pride Energy Company |
| Prima Exploration, Inc. |
| Primary Fuels, Inc. |
| Primary Petroleum Company USA, Inc. |
| PrimeWest Petroleum, Inc. |
| Primitive Oil |
| Probe Oil Company |
| Produced Water Solutions, Inc. |
| Producers & Refiners Corp. |
| Producers Ind. Oil Co. |
| Producers Oil Co |
| Professional Pet |
| Progressive Oil & Gas Trust |
| Pronghorn Energy Services, Inc |
| Pronghorn Petroleum Joint Venture |
| Propel Energy Company |
| Properties Inc |
| Prosper Energy Corporation |
| Provident Energy Of Montana, LLC |
| Provident Resources Ltd |
| Provinse David A |
| Prudential |
| Pruet, Chesley |
| Pryde Pond Petrol |
| Ptarmigan Lands LP |
| Pubco Pet Etal |
| Public Oil & Gas Co. |
| Puget Sound Petro |
| Pugsley Ranches, Incorporated |
| Puirdy & Jones |
| Puma Petroleum Company |
| Pure Oil |
| Pyke Fred Etal |
| Pyramid |
| Quadra Oil & Gas, Inc. |
| Qualls R C Etal |
| Quaneco, LLC |
| Queen City Oil Co. |
| Quest Petroleum Corporation |
| Quicksilver Resources, Inc. |
| Quigley Drilling Company |
| Quinoco Petroleum, Inc. |
| Quinque Oil, LLC |
| Quintana Petroleum Corporation |
| Quintana Producti |
| R & A Oil, Inc. |
| R & J Production, Inc. |
| R & K Drilling, Inc. |
| R & N Associates,Etal Glen Neubert, Agent |
| R K Petroleum Corporation |
| R.C.S. Oil, Inc. |
| RC Energy Montana Ltd. |
| REFCO Operating, LLC |
| RME Petroleum Company |
| Radford Oil Co. |
| Radiation Exploration Co. |
| Radigan Bruce |
| Radigan-Hungerford Co. |
| Rainbow Oil Co. |
| Rainbow Resources Inc |
| Ralston O&G |
| Ramhorn Energy, LLC |
| Ramona Oil |
| Ranch Oil Company, Inc. |
| Ranck Oil Company, Inc. |
| Rangeland Petroleum Corp. |
| Ranger Oil Company |
| Rankin, George W. |
| Rankin, Paul |
| Rapp Oil Corporation |
| Rapp, R. E. |
| Raymond Oil |
| Reading & Bates Petroleum Co. |
| Reagan Ed Etal |
| Reaser E J |
| Reasor, G. L. |
| Record Petroleum Company |
| Red Deer Sunburst Oils Ltd. |
| Red River Oil & Gas |
| Red Rock Oil & Gas |
| Red Top Oil |
| Red Willow Great Plains, LLC |
| Redden, William C. And Remainderman |
| Redstone Gas Partners, LLC |
| Redwine Resources, Inc. |
| Reed Resources Inc. |
| Reef Oil Corporation |
| Reeves John A & A |
| Regal Consolidated Oil Co. |
| Regal Drilling |
| Regent Drlg |
| Regina-Kevin Oil Co. |
| Regina-Shelby Syndicate |
| Regine de Parment |
| Regional Surveys |
| Reickhoff E O |
| Remuda Corp Etal |
| Remuda Energy Development, LLC |
| Renaissance Resources |
| Renwar Oil |
| Reo Oil & Gas Co. |
| Republic Natural Gas Co. |
| Republic Oil |
| Reservation Oil Co. |
| Reserve Drilling Corporation |
| Reserve O&G |
| Reserve Operating Corp. |
| Resources Capital |
| Resources Exploration |
| Reunion Energy Company |
| Rice Co., W.E. |
| Rice Jone & Perki |
| Rice Oil |
| Rice, Arleen |
| Rice-Fulton Development Co. |
| Rice-Hoffman |
| Rice-Radigan Oil |
| Richard & Winnie |
| Richardson Operating Company |
| Richey Oil |
| Richfield Oil |
| Rickhoff E O |
| Riddle H K Oroco |
| Ridge Energy, LLC |
| Ridgeway Oil Exploration & Development, Inc. |
| Rigel Petroleum, Inc. |
| Rim Operating, Inc. |
| Rimrock Colony |
| Rimrock Oil Company |
| Rincon Oil & Gas LLC |
| Ringling Interests |
| Ringling R T |
| Rio Oil |
| Risco Oil |
| Ritchie Exploration, Inc. |
| Ritter, Laber & Associates, Inc. |
| River Dome Petroleum |
| River Gas Corporation |
| Riverdale Oil Co. |
| Riverton Oil Co. |
| Robert Hawkins, Inc. |
| Roberts & Son |
| Roberts Exploration, Wm D And W Mac Roberts |
| Roberts L-7 Ranch East, LLC |
| Roberts, Christopher |
| Roberts, William D. And William M. |
| Robertson C E |
| Robertson C T |
| Robertson R A |
| Robin Drilling |
| Robinson Oil Company, LLC |
| Robinson Resource Development Company, Inc. |
| Roche L W |
| Rochester-Anoka |
| Rock Creek Bench |
| Rock Creek Oil, Inc. |
| Rock Hill Oil |
| Rockin D Farms Inc. |
| Rocky Mountain Gas, Inc. |
| Rocky Mountain Oil & Gas Co. |
| Rocky Mountain Oil & Minerals, Inc. |
| Rocky Mountain Oilfinders Inc. |
| Rocky Mountain Operating Co., Inc. |
| Rocky Mt. Pacific Oil Co. |
| Roden & McRae Etal |
| Roemer Oil Company |
| Rogers Farm, Inc. |
| Rogge Odillo |
| Roil Oil Energy |
| Rokon Mines Ltd E |
| Roland Oil and Gas |
| Romans William A |
| Romar Oil |
| Romon Production |
| Roosevelt Disposal |
| Rose Altamont Oil |
| Rose Oil Co. |
| Rosebud Royalty Company |
| Roseland Oil And Gas, Inc. |
| Rosetta Resources Operating LP |
| Rosey Dome Oil |
| Ross Dwight |
| Ross Production |
| Rossmiller Bros |
| Rossmiller, Duard |
| Rossmiller, Duard & Elmer Rossmiller |
| Rothschild Oil Co |
| Round Butte Oil & Gas |
| Round Butte Prod |
| Roundup Oil & Gas Company |
| Roundup Resources, Inc. |
| Rouse & Zajic |
| Rouse Jack |
| Rowe, John T. |
| Rowland Etal |
| Roxana Drilling Co. |
| Roxana Oil & Gas |
| Royal Resources E |
| Royal-Canadian Oil Co. |
| Royalty Service Corporation |
| Ruby Oil Company |
| Ruby Ridge Oil |
| Rudi & Associates |
| Running Foxes Petroleum, Inc. |
| Rush Oil Co |
| Russell Etal |
| Rutledge Etal |
| Ryan Ben W |
| Ryan Oil Company |
| Ryan William |
| Ryburn |
| S & J Operating Co |
| S & L Energy, Inc.C/O John D. Lawrence, Jr. |
| S & W Petroleum Consultants, Inc. |
| S Bar B Ranch Company |
| S. California Aircraft Corp. |
| SDOCO, LLC |
| SM Energy Company |
| SOC Development |
| SOGC, Inc. |
| SRI |
| SV Limited, A Colorado Limited Partnership |
| Sabo-Johnson |
| Saco, Town Of |
| Sadring J E |
| Saga Petroleum, LLC |
| Sage Creek Colony |
| Sage Oil Et Al |
| Sagebrush Resources II, LLC |
| Sahara |
| Salmon Resources |
| Salt Dome Prod |
| Samedan Oil Corporation |
| Sampsel William R |
| Samson Oil and Gas USA, Inc. |
| Samson Resources Company |
| Sand Point Oil |
| Sanders W F |
| Sandhill Energy, LLC |
| Sandia Operating Corporation |
| Sands Oil Company |
| Sands, Caroline Hunt |
| Sands, Gordon C. |
| Sannes, Ronald M. Or Margaret Ann |
| Santa Fe Energy Operating Partners, L. P. |
| Santa Fe Energy Resources, Inc. |
| Santa Rita O & G |
| Saratoga Petroleum, Hiestand, Frank I.Dba |
| Sauby, Warren |
| Savant Resources LLC |
| Sawtooth Oil |
| Scarab Petroleum Corporation |
| Scat Drlg |
| Schagunn, Terry A. |
| Schermerhorn Oil |
| Schiff & Jackson Oil Producers |
| Schleuter Bros |
| Schmidt, J.W. |
| Schoonmaker, Geo |
| Schrock |
| Schulein, Robert |
| Schulkamp, A.W. |
| Schwartz, C.E. |
| Schwartz, H.H. |
| Schwartz, H.H. Jr |
| Schwartz, Tom A. |
| Schwartz-Kevin Syndicate |
| Scofield Inc. |
| Scotland, S.F. |
| Scott, Robert H. |
| Scout Energy Management LLC |
| Seaboard Oil |
| Seagull Energy E&P, Inc. |
| Seattle |
| Seattle Realty |
| Seattle-Flatwillow Co. |
| Sebastian Resources |
| Security Petroleum Corp. |
| Security Producing Company |
| Sedezholm, W.C. |
| Sedgwick, Cranston, & Matthews |
| Seeligson, A.A. |
| Sesnon Porter Etal |
| Sevels Etal |
| Sevils Walter Etal |
| Seymour, James & Lorraine |
| Sha-Wa Petroleum |
| Shadco |
| Shadwell Resources Group, LLC |
| Shaffer |
| Shakespeare Oil Co Inc |
| Shamrock Oil & Gas |
| Shamrock Ranch Inc. |
| Shannon Oil |
| Shar-Alan Oil Co |
| Sharman George R |
| Sharp, W.H. |
| Sharples Oil |
| Sharples, Philip T. |
| Shaver Oil |
| Shay, C.W. |
| Shay, D.C. |
| Sheble Ranch, Inc. |
| Sheehan, William F. Jr. |
| Sheib & Berkey |
| Shelbourne Oil Co. Inc. |
| Sheldon T-McClare |
| Shell Oil Company |
| Shell Western E & P Inc. |
| Shenandoah Oil |
| Sheridan, L.M. |
| Shields Valley Syndicate |
| Shoemaker & Wadle |
| Shoreline Petroleum |
| Shoshone Consolidated Oil Co. |
| Shoshone Oil Co. |
| Shrake-McKown |
| Shrock |
| Shubat-Bosworth |
| Shuck Oil & Gas LLC |
| Shupak |
| Sierra Trading Co |
| Signal Butte Oil Co. |
| Signal Drilling & Expl. Co. Inc. |
| Silver Bow O&G |
| Silver Fox Oil |
| Silver Oils |
| Silvertip Energy, LLC |
| Simasko Production |
| Simons, Joseph & Laura Lee |
| Singer, Wilhelm |
| Single Tree Disposal, Inc. |
| Singley Drilling Co. |
| Six Hundred Oil |
| Skelly Oil |
| Skierka Brothers Inc. |
| Skinner Corp. |
| Sklar Exploration Company LLC |
| Slawson Exploration Company Inc |
| Slohcin, Inc. |
| Slow Poke Production-George L. Dobson Dba |
| Smith & Bradford |
| Smith L C Trustee |
| Smith Perl |
| Smith Turner & Assoc. |
| Smith, Arnold |
| Smith, Bert |
| Smith, C.L. |
| Smith, Grant Etal. |
| Smith, Guy Etal |
| Smith, James F. |
| Smith, Loren E. And Foster, Chas. P. |
| Smith, Lucile |
| Smith, V.E. |
| Smith. Earl T. & Associates |
| Smokey Oil Company, Inc. |
| Smoky Hill Exploration Company, Inc. |
| Snook Etal |
| Snortland, Leola |
| Snow Cap Oil Company |
| Snowden & Brown |
| Snowden, J.H. Etal |
| Snyder & Batts |
| Snyder & Parker |
| Snyder W W |
| Snyder, Edwin F. |
| Snyder, G.W. |
| Snyder, John |
| Snyder, Marcus |
| Snyder, Robert D. |
| Soap Creek Associates, Inc. |
| Soape Drilling Co. Inc. |
| Socony-Mobil Oil |
| Soderstrom S |
| Sohio Petroleum Company |
| Solar Petroleum, Inc. |
| Sollars, Robert W. |
| Solomon Exploration |
| Solomon Exploration Inc. |
| Solomon, Clint |
| Solvang Oil |
| Somont Oil Company, Inc. |
| Sonalta Resources, Inc. |
| Sonkar, Inc. |
| Sorenson, Hazel |
| Sorrell & Alexander |
| Sorrell Etal |
| Sorrell, Ray Trustees |
| Soutag Etal |
| South Ranch Oil |
| Southern Minerals |
| Southern Montana |
| Southern Oil Syndicate |
| Southern Union Production Co. |
| Southland Royalty Company |
| Southport Exploration, Inc. |
| Southside Oil & Gas Ltd. |
| Southwest Gas Producing Co., Inc. |
| Southwest-States Production, Inc. |
| Southwestern Energy Production Co. |
| Southwestern Energy Production Company |
| Spartan Oil Co. |
| Spartan-Montana Oil Co. |
| Spectra Energy Corp. |
| Spectrum Energy, Inc. |
| Spence Accounts, Inc. |
| Spence, Ralph |
| Spencer |
| Spencer Ranch |
| Spencer, C.C. |
| Spencer, Milton |
| Spindletop Oil |
| Spindletop Petroleum |
| Spokalta Petroleum |
| Spokane Et Al |
| Spokane-Cat Creek Corp. |
| Spokane-Wyoming Oil Co. |
| Sprecher Drilling |
| Spring & Barrett |
| Spring Lake Oil P |
| Spruce Oil Co. |
| Square Deal Oil Co. |
| St Cloud Oil & Gas Co. |
| St. Croix Operating, Inc. |
| St. George Oil & Gas Co. |
| St. Mary Land & Exploration Company |
| St. Mary Parish Land Company |
| St. Michael Exploration Co. |
| Staghorn Energy, LLC |
| Staley Dome Oil Co. |
| Stalking Horse Energy, LLC |
| Staman Exploration & Production Co |
| Stanhope, Ronald L. |
| Stanolind Oil & Gas Co. |
| Stapleton Oil Co. |
| Starrock Resources Inc. |
| Startech Energy Corp. |
| Staten, Jerel M. |
| States Exploration |
| States Oil |
| Statex Petroleum, Inc. |
| Stauffer Chemical Co. |
| Stealth Energy USA, Inc. |
| Steele Creek Production |
| Stellar Oil & Gas Co. |
| Stelzer, J.C. Oil Properties |
| Stephens & Johnson Operating Company |
| Stephens Energy Company, LLC |
| Stephens Petroleum Co. |
| Stephens Production Company, LLC |
| Stephens, C.W. |
| Sterling Oil Co. |
| Stevenson Oil |
| Stewart Geological, Inc. |
| Stewart, J.E. Etal |
| Stewart, Lynn |
| Stiert James & As |
| Stivers, Inc. |
| Stock Bros |
| Stockman Oil, Inc. |
| Stone & Wolf Llc |
| Stone Energy Corporation |
| Stone Energy, LLC |
| Stone Pet |
| Storm Cat Energy (USA) Operating Corporation |
| Stormwind Sol |
| Stovall Oil Co |
| Stratco, Inc. |
| Strategic Holdings LLC |
| Stratex Oil and Gas, Inc. |
| Striper Oil, Inc. |
| Stroock Leasing Corporation, The |
| Struthers Oil & Gas Corp. |
| Stuarco Oil |
| Sturdevant Oil Co. |
| Sugar Creek Resources, Inc. |
| Sumatra Oil Et Al |
| Summit Gas Resources, Inc. |
| Summit Resources, Inc. |
| Summit West Oil, LLC |
| Summy R K |
| Sun Exploration And Production Co |
| Sun Oil Company |
| Sun River O & G |
| Sunburst Exploration, Inc. |
| Sunburst Madison Oil Corp. |
| Sunburst Oil & Gas Co. |
| Sunburst Oil & Refining Co. |
| Sunburst Oil Vent |
| Sunburst Petroleum |
| Sunburst Pool |
| Suncor Energy (Natural Gas) America Inc. |
| Sundance Corp |
| Sunray Oil Company, Inc. |
| Sunrise Production |
| Sunset International |
| Superior Oil Company |
| Suphellen, Andrew |
| Supreme Gas & Oil |
| Supron Energy Corp |
| Sure Shot Oil Co. |
| Sutlime Oil Co. |
| Svare & Hannah |
| Svare Rolf E |
| Swaboda-Davis |
| Swanson Oilfield Services Inc. |
| Sweeney, Leo |
| Sweeney, P.T. |
| Sweetgrass Oil Etal |
| Swift Current Oil |
| Swift Energy Co. |
| Swift Royalty |
| Sylvester Oil Co. |
| Synergy Offshore LLC |
| T Bar S Oil, Inc. |
| T.W.O. (Taylor Well Operating) |
| TAQA North USA, Inc. |
| TAQA USA, Inc. |
| TDW Gas Processing, LLC |
| TOI Operating |
| TSAVOIL, LLC |
| TWO Inc. |
| TWR, Inc. |
| TXO Production Corp |
| Taft, George |
| Talbot, Robert |
| Tanglewood Oil & Gas, LLC |
| Tannenberg Oil Company |
| Tanner, G.H. |
| Tanner-Pruit Exploration |
| Taproot Petroleum |
| Targe Energy Exploration and Production, LLC |
| Target Oil |
| Tarrant R. C. |
| Taurus Oil Inc. |
| Taylor & Hoerr |
| Taylor, B.J. |
| Taylor, Ike |
| Taylor, John F. Etal |
| Taylor, Vernon F. |
| Teague Geological, Inc. A Montana Corporation |
| Teigan Burks |
| Tempel Contracting, Inc. |
| Tempel Farm Inc. |
| Tempel, Russell E. And Judy L. Tempel |
| Tenison Drilling |
| Tenneco Oil Company |
| Tennessee Montana |
| Tenspot Oil Syndicate |
| Terra Resources, Inc. |
| Terrapet Corp |
| Terrol Energy Incorporated |
| Terry, Orlyn |
| Terry, Orlyn L. |
| Tesoro Petroleum Corporation |
| Teters, G.R. |
| Teton Oil |
| Texaco Exploration and Production Inc. |
| Texaco Inc. |
| Texaco Oils Inc., A Delaware Corp. |
| Texas Alberta |
| Texas Company, The |
| Texas Crude Oil |
| Texas Gas Exploration Corporation |
| Texas General Petroleum |
| Texas International Oil Company, Inc. |
| Texas National |
| Texas Oil & Gas Corp |
| Texas Pacific Coal & Oil Co. |
| Texas Production Co. |
| Texota Oil Company |
| Thayer, Arthur R. |
| The California Co. |
| The Ranch |
| Thelen & Freeman |
| Thermopolis-Cat Creek |
| Thomas Operating Co., Inc. |
| Thomas Petroleum |
| Thomas, C.C. |
| Thomas, Gale |
| Thomasson Petroleum E&P LLC |
| Thompson |
| Thompson Bros |
| Thompson, C.H. |
| Thompson, Inc., Richard W. |
| Thompson, J.C. |
| Thompson, Otis |
| Thor Resources USA, LLC |
| Thorpe & Parrant |
| Thorpe & Walker |
| Thorpe & Zimmerman |
| Thorpe, M.G., Trustee |
| Thorson & Bull Creek Dome Oil & Dev. Co. |
| Thorson, Harry T. |
| Three Forks Oil |
| Three Forks Resources, LLC |
| Three-In-One Oil Syndicate |
| Thunder Hill Exploration, LLC |
| Thunderbird O & G |
| Tidemark Petroleum Inc. |
| Tidewater Oil |
| Tidewater Oil & Gas Co., LLC |
| Tierra Petroleum Corp |
| Tiger Oil Company |
| Tipperary O & G |
| Tipperary Oil & Gas Corporation |
| Toles Drilling Co. |
| Toles, M.F. |
| Tomahawk Oil Company, Inc. |
| Tomayer, James J. |
| Tomlinson, C.L. |
| Tomscheck, Tony |
| Toney & Hess |
| Topaz Oil & Gas Inc |
| Torske Farm, Inc. |
| Tower, Charles |
| Towner Petroleum Company |
| Townsend-Buck-Law |
| Trail Corp |
| Trailway Oil |
| Trans-American |
| Trans-Missouri G& |
| Trans-Pecos Resources, Inc |
| Trans-Texas Energy, Inc. |
| Transcontinental Oil Corporation |
| Transitions, Inc. |
| Traper Oil |
| Trapp Oil & Gas Co. |
| Trapp Oil Co. |
| Trapp Synd |
| Traverse Oil |
| Treasure Operating Company, LLC |
| Treasure State Oil |
| Treasure State Pool Oil & Gas Co. |
| Treasure State Syndicate |
| Trench Oil Co |
| Trend Resources Limited |
| Tri Oil-Great No |
| Tri State Oil Co. |
| Tri-City Oil |
| Triangle Oil |
| Tricentrol United States, Inc. |
| Trident Drilling Co. |
| Trigg Exploration Company |
| Trigg, John H. |
| Trigood |
| Trimont Drilling |
| Trio Petro Inc. |
| Triple C Oil Producers, Inc. |
| Triple D Lease |
| Tripple Dome Oil |
| Triton Oil And Gas Corp. |
| Trout, Kye Jr |
| True & Brown |
| True Oil LLC |
| Truesdell C W Etal |
| Tschern Exploration |
| Tuck, L L |
| Tudex Petroleums Inc. |
| Turner Platte O & G Co. |
| Twin Butte Syndicate |
| Twin Fields Oil |
| Twin States Petroleum Co. |
| Two Hughs O&G |
| Tyler Oil |
| Tyler Oil Company |
| Tyner, Keith F |
| U Bee Tea Production LLC |
| U S Army |
| U S Dept Of Agriculture |
| U S Signal Oil & Gas Co. |
| UMC Petroleum Corporation |
| US Bureau of Reclamation |
| USGS |
| Uber Operating, LLC |
| Ubet Oil Company |
| Ulster Pet Ltd Etal |
| Union Oil Company Of California |
| Union Pacific R.R. |
| Union Texas Petroleum Corporation |
| UnionTown Energy Montana LLC |
| Unit O&G |
| Unit Petroleum Company |
| United Gas |
| United Oil and Refining Co. |
| United Petroleum & Mining |
| United Petroleum Co. |
| United States Energy Corp |
| United States Energy Corp. |
| United States Petroleum Co. |
| United Western Oil & Gas Co. |
| Universal Gas Co. Ltd. |
| Universal Resources Corporation |
| Unknown |
| Upton Resources U.S.A., Inc. |
| Ursa Major (Crow OG), LLC |
| Utah Southern Oil |
| Ute-Moe Oil |
| VSM Development Company |
| Vaalco Energy (USA), Inc. |
| Valero Producing Company |
| Valier-Williams Oil & Gas Co. |
| Van Dusen Oil |
| Van Hoesen, C.R. |
| Van Meer Oil Corp. |
| Van Norman Oil Etal |
| Vander Pas, Henry |
| Vanderbilt Energy |
| Vanderbilt Energy Corp & Vanderbilt Resources |
| Vanderpas & Thompson |
| Vantana Oils Ltd |
| Vastar Resources, Inc. |
| Vaughey & Vaughey II |
| Vaughey & Vaughey, A Copartnership |
| Vecta Oil & Gas, Ltd. |
| Veiga, Fred W. |
| Velk, Rayburn |
| Ventura Oil |
| Verstraete, Antonie |
| Vess Oil Corporation |
| Vessels & Bass |
| Vesta, Inc. |
| Victory Oil & Gas |
| Vintage Petroleum, Inc. |
| Vision Exploration & Production LLC |
| Voyager Petroleums, Inc. |
| W.E. Rice Co. |
| WBI Energy Transmission, Inc. |
| WBI Production, Inc. |
| Waceka Oils, Ltd |
| Wacker Oil Inc. |
| Waggoner Exploration |
| Waggoner Lansford Drilling Co., Inc. |
| Waggoner, A.P. |
| Wagner Mose Drill |
| Wagner, M.R. |
| Wagner, M.R. Company |
| Wagner-Mallernee-Trott |
| Wagoner, M.B. |
| Wainoco Oil & Gas Company |
| Wakefield, Earl F. |
| Walgren, C.E. |
| Walker Brothers |
| Walker, Willis L. |
| Wallace Oil Company |
| Walmsley, William |
| Walsh & Watts |
| Walsh, F.P. |
| Walter S. Fees, Jr. & Son Oil & Gas LLC |
| Walters & Ranck |
| Walton, H.E. |
| Wampler, Lloyd |
| Wanken Farms |
| Wapiti Operating LLC |
| Warburton, James or Kristi |
| Ward & Cruise |
| Warner, Frank A. |
| Warren & Sons |
| Warren Aikins Drl |
| Warren Petroleum |
| Warren Ranch |
| Warren Utility Association Inc. |
| Wasatch Oil |
| Washington Energy Exploration, Inc. |
| Washington Oil Fi |
| Washington&Montan |
| Watkins, Robert M. |
| Watkins, Stanley |
| Watkins, W.B. Etal |
| Watkins, Wilbur |
| Watson Etal |
| Watson Oil |
| Wayne Petrol |
| Webb Resources, Inc. |
| Wee Oil |
| Weil Oil LLC |
| Weiser-Crosby |
| Welch & Dwire |
| Welch Brothers |
| Welch, A A |
| Well Done Foundation, Inc. |
| Well Done Montana LLC |
| Wells Oil |
| Wells, Keith J. |
| Welty, Gene & Wilma |
| Wendland, Phillip |
| Wenoah Oil Syndicate |
| Werner, Bruce E. |
| Wesco Operating, Inc. |
| Wessely Energy Company |
| West Dome Oil |
| West Dome Syndicate |
| West Gas Inc |
| West Kevin Comm L |
| West Virginia Oil |
| Westates Pet Corp |
| Westburne Exploration Inc. |
| Westech Energy Corporation |
| Western Air Drlg |
| Western Drlg |
| Western Hydrocarbons Corp. |
| Western Interior Energy Inc. |
| Western Meadowlark Resources LLC |
| Western Montana Oil Co |
| Western Natural Gas Company |
| Western Oil |
| Western Petroleum Co. |
| Western Petroleum Exploration |
| Western Petroleum Oils |
| Western Petroleum Producers |
| Western Production Company |
| Western Reserves, Inc. |
| Western States Oil & Land Co. |
| Western Sun Exploration |
| Westhope Oil Co. |
| Westport Oil & Gas Company LP |
| Westrans Petroleum |
| Wexco Petroleum, Inc. |
| Wexpro Company |
| Whaley Oil Co. |
| Wheatley Etal |
| Wheatley, Thomas F. |
| Wheeler, Chas. Etal |
| Wheir & Kornowsky |
| Wheless Industries, Inc. |
| Whetstone |
| White Oil Co. |
| White Oil Corp |
| White Rock Oil & Gas, LLC |
| White, R.C. |
| White-Fish Syndicate |
| Whitehall Western Oil, Ltd. |
| Whiteley, Stephen Craige |
| Whitetail O & G Synd. |
| Whitetop Oil & Gas |
| Whiting Oil and Gas Corporation |
| Whiting Petroleum Corp |
| Whitman-Sunburst |
| Wichita Industries Inc |
| Wigen, Christopher |
| Wigen, Ola |
| Wiggs, Guy |
| Wikstrand etal |
| Wilco Properties |
| Wilcox Oil |
| Wilde, John |
| Wildrose United Oil Co |
| Wilhite & Abrassa |
| Wilkins, Howard F. |
| Wilkinson |
| Williams & Wagner |
| Williams Exploration Company |
| Williams Syndicate |
| Williams, Clayton W., Jr. |
| Williams, Julius |
| Willis, W.B. |
| Williston Basin Exploration Co. |
| Williston Basin Interstate Pipeline Company |
| Williston Industrial Supply Corporation |
| Williston Oil & Gas |
| Williston Pioneer |
| Willow Ridge Ranch |
| Wilson J D Etal |
| Wind River Hydrocarbons, Inc. |
| Windham South Dakota Oil Co. |
| Winkler, L.W. |
| Winn Exploration Co., Inc. |
| Winnett Drlg Co |
| Winnett Oil Syndicate |
| Winnett Pacific Oil Co. |
| Winther, J.E. |
| Wireback Etal |
| Wise Oil Company |
| Wise William E |
| Wise, W.G. |
| Wise, William, F. |
| Withers, Perry |
| Wizard Oil |
| Wold Oil & Gas Company |
| Wolery, Paul Allen |
| Wolf Development Co. |
| Wolf Exploration |
| Wolfe Brothers |
| Wood Oil Ltd Etal |
| Woods Petroleum Corporation |
| Woods, Pete Or Maxine |
| Worland Oil |
| World Oil |
| Wormy Lime Drilling |
| Wrather, John |
| Wrighter, C.N. |
| Wulf Oil |
| Wyoming Resources Corporation |
| Wytana Cattle Co |
| Wyton Oil & Gas |
| XO Expl |
| XOIL Inc. |
| XTO Energy Inc. |
| Xavier Oils |
| Xeno, Inc |
| Xeric Oil & Gas Corporation |
| Xplor Energy Corporation |
| Y Z C Inc |
| Y. V. C., Inc. |
| Yale Oil Corp |
| Yandt, Carl |
| Yates Etal |
| Yates Petroleum Corporation |
| Yeager Land & Livestock Co., Inc. |
| Yeager, Bobbi L. |
| Yeager, C.J. Sr |
| Yeager, James C. |
| Yealy, L.J. |
| Yeargey, Stanley A |
| Yellowstone Country Club |
| Yellowstone Nat P |
| Yellowstone Oil Co., Inc. |
| Yellowstone Oil Syndicate |
| Yellowstone Oil and Gas Company |
| Yellowstone Petroleums, Inc. |
| York Montana Oil Co. |
| Young & Critchlow |
| Young Sanders E&P, LLC |
| Young, Larry O |
| Youngblood, J. Lee |
| Youngblood, L.S. |
| Yukon Oil |
| Zama Corporation |
| Zavanna LLC |
| Zeiders Bros. Oil & Gas Company, L.L.C. |
| Zelka Ursulla |
| Zell, Rawlin |
| Zenith Oil |
| Zenith-McDonald |
| Zephyr Drlg |
| Ziegler, Kirk |
| Zimco (Robt A Zimmerman) |
| Zimmerman Dome Oil Co. |
| Zimmerman, Brent |
| Zimmerman, Sid |
| Zinc City Oil Co. |
| Zinke & Philipy Inc. |
| Zion Petroleum |
| Zodiac Montana, LLC |
| Zodiac Oil Co. |
| Zoller & Danneburg Exploration Limited |
| <all other values> |
Wells by Well Type (2)
| Class V Injection |
| Coal Bed Methane |
| Domestic Water |
| Dry Hole |
| Expired Location |
| Gas |
| Gas Storage |
| Injection - Disposal |
| Injection, EOR |
| Injection, Indian Lands |
| Monitor/Observation |
| Oil |
| Oil & Gas |
| Stratigraphic Test |
| Unknown |
| Water Source |
Wells Producing (3)
| Gas |
| Injection, EOR |
| Oil |
| Water Source |
Wells by Well Status (4)
| Abandoned |
| Abandoned - Unapproved |
| Active Injection |
| Completed |
| Domestic |
| Expired Permit |
| Expired, Not Released |
| Not Completed |
| Other |
| P&A - Approved |
| Permit to Drill |
| Permitted Injection Well |
| Producing |
| Revoked Inj. Permit |
| Shut In |
| Spudded |
| Temporarily Abandoned |
| Unknown |
| Water Well Re-Entry |
| Water Well, Completed |
| Water Well, Released |
Wells with MBOGC Cutting and Core Chips (5)
Wells with USGS Cores (6)
Wells with USGS Cuttings (7)
Wells with Lateral Well Bores (8)
Wells with Lateral Well Bores by Formation (9)
| Amsden |
| Bakken |
| Belle Fourche |
| Bow Island |
| Bowes Member |
| Cambrian Undifferentiated |
| Carney |
| Charles |
| Charles B |
| Charles C |
| Cloverly |
| Cone Calcareous Member |
| Cut Bank |
| Dawson Bay |
| Duperow |
| Eagle |
| Ellis |
| Embar |
| Frontier |
| Greybull |
| Gunton |
| Heath |
| Interlake |
| Jefferson Formation |
| Judith River |
| Lodgepole |
| Lower Cut Bank Sandstone |
| Madison |
| McGowan Zone |
| Midale Zone |
| Minnelusa Formation |
| Mission Canyon |
| Morrison |
| Mowry Shale |
| Muddy |
| Niobrara |
| Nisku |
| Otter Formation |
| Potlatch Anhydrite |
| Ratcliffe |
| Red Lion Formation |
| Red River |
| Red River A |
| Red River B |
| Red River C |
| Red River D |
| Rierdon |
| Sawtooth |
| Shannon |
| Silurian Undifferentiated |
| Skull Creek |
| Stony Mountain |
| Sunburst |
| Telegraph Creek Formation |
| Tensleep |
| Three Forks |
| Tyler |
| Virgelle Sandstone |
| Winnipeg Formation |
| Winnipegosis |
Oil Pipelines (10)
Fields by Producing Formation (13)
| Amsden |
| Amsden, Tyler |
| Anderson, Canyon, Cook |
| Bakken |
| Bakken, Nesson |
| Belle Fourche |
| Belle Fourche, Greenhorn |
| Big Dirty |
| Big Elk Sandstone |
| Big Elk, Lakota |
| Blackleaf |
| Blackleaf, Swift |
| Bow Island |
| Bow Island, Blackleaf |
| Bow Island, Dakota |
| Bow Island, Dakota, Kootenai |
| Bow Island, Dakota, Kootenai, Sunburst |
| Bow Island, Dakota, Kootenai, Swift |
| Bow Island, Dakota, Sunburst |
| Bow Island, Dakota, Sunburst, Swift |
| Bow Island, Dakota, Swift |
| Bow Island, Kootenai, Swift |
| Bow Island, Moulton, Sunburst |
| Bow Island, Sunburst |
| Bow Island, Sunburst, Cut Bank |
| Bow Island, Sunburst, Swift |
| Bow Island, Swift |
| Bowdoin |
| Bowdoin, B. Fourche, Plps, Mwry, Niob. |
| Bowdoin, Greenhorn |
| Bowdoin, Greenhorn, Niobrara |
| Bowdoin, Greenhorn, Phillips |
| Bowdoin, Greenhorn, Phillips, Niobrara |
| Bowdoin, Martin |
| Bowdoin, Mwry, Plps, Nbrr |
| Bowdoin, Niobrara |
| Bowdoin, Phillips |
| Bowdoin, Phillips, Belle Fourche |
| Bowdoin, Phillips, Mowry, B. Fourche |
| Bowdoin, Phillips, Niobrara |
| Bowes Member |
| Burwash |
| Burwash, Swift |
| Canyon |
| Canyon, Cook |
| Canyon, Cook, Flowers-Goodale |
| Canyon, Wall |
| Carlile Shale |
| Carney |
| Carney, Monarch |
| Carney, Wall |
| Carney, Wall, Carlson |
| Cat Creek 1 & 2 |
| Cat Creek, First |
| Cat Creek, Second |
| Cat Creek, Third |
| Charles |
| Charles A |
| Charles B |
| Charles C |
| Charles D |
| Charles, Interlake |
| Charles, Nisku |
| Claggett Shale |
| Claggett, Eagle, Telegraph Creek |
| Cloverly |
| Cody Shale |
| Colorado Shale |
| Colorado, Sunburst, Swift |
| Cone Calcareous Member |
| Cook Coal |
| Cook, Wall |
| Cook, Wall, Canyon |
| Cut Bank, Bow Island |
| Cut Bank, Madison |
| Cut Bank, Moulton |
| Cut Bank, Sunburst |
| Dakota |
| Dakota, Burwash, Swift |
| Dakota, Kootenai |
| Dakota, Sunburst, Swift |
| Dakota, Swift |
| Dawson Bay |
| Dawson Bay, Interlake |
| Devonian Undifferentiated |
| Dietz 1 Coal |
| Dietz 1, 2, 3 |
| Dietz 1, 2, 3, Carney, Wall |
| Dietz 1, 2, 3, Monarch |
| Dietz 1, 2, 3, Monarch, Carney |
| Dietz 1, 2, 3, Smith, Monarch, Carney |
| Dietz 1, 3, Monarch, Carney |
| Dietz 1, 3, Smith, Monarch, Carney |
| Dietz 1, Dietz 2 |
| Dietz 2 Coal |
| Dietz 2, Dietz 3 |
| Dietz 3 Coal |
| Dietz 3, Monarch, Carney |
| Dietz 3, Monarch, Carney, Wall |
| Dietz, Monarch, Carney, Wall |
| Duperow |
| Duperow, Mission Canyon |
| Eagle |
| Eagle, Claggett |
| Eagle, Claggett, Virgelle |
| Eagle, Niobrara |
| Eagle, Niobrara, Greenhorn |
| Eagle, Telegraph Creek |
| Eagle, Virgelle |
| Eagle, Virgelle, Telegraph Ck |
| Ellis |
| Ellis, Madison |
| Embar, Tensleep |
| Firemoon |
| Flowers-Goodale |
| Fort Union Formation |
| Frontier |
| Greenhorn |
| Greenhorn-Phillips |
| Greybull |
| Gunton |
| Gunton, Stonewall |
| Heath |
| Interlake |
| Jefferson Formation |
| Judith River |
| Judith River, Claggett, Eagle, Virgelle |
| Judith River, Eagle |
| Judith River, Niobrara |
| Kibbey |
| Kootenai |
| Kootenai, Sawtooth, Madison |
| Lakota |
| Lakota, Morrison |
| Lander |
| Lodgepole |
| Lower Tyler |
| Madison |
| Madison, Amsden |
| Madison, Bakken |
| Madison, Nisku |
| Madison, Ordovician |
| Madison, Red River |
| Madison, Sawtooth |
| Madison, Sunburst |
| Madison, Swift |
| Martin Sandstone |
| McGowan Zone |
| Midale Zone |
| Minnelusa Formation |
| Mission Canyon |
| Mission Canyon, Bakken |
| Mississippian Undifferentiated |
| Mississippian, Devonian |
| Monarch |
| Monarch, Carney, Wall |
| Morrison |
| Morrison, Second Cat Creek |
| Mosser Sand |
| Moulton |
| Moulton, Sunburst |
| Mowry Shale |
| Mowry, B. Fourche, Phillips, Niob. |
| Muddy |
| Nesson Zone |
| Niobrara |
| Niobrara, Belle Fourche |
| Niobrara, Bowdoin, Belle Fourche |
| Niobrara, Bowdoin, Phillips, B Fourche |
| Niobrara, Greenhorn |
| Niobrara, Greenhorn, Phillips |
| Niobrara, Phillips, Belle Fourche |
| Nisku |
| Nisku, Bakken |
| Nisku, Duperow |
| Other Top |
| Phillips |
| Phillips, Belle Fourche |
| Phillips, Martin |
| Phillips, Niobrara |
| Piper, Amsden |
| Pryor Conglomerate |
| Putnam Member |
| Ratcliffe |
| Ratcliffe, Mission Canyon |
| Ratcliffe, Stony Mountain, Red River |
| Red River |
| Red River, Duperow |
| Red River, Gunton |
| Red River, Interlake |
| Red River, Nisku |
| Red River, Stony Mountain |
| Red River, Winnipegosis |
| Rierdon |
| Sawtooth |
| Sawtooth, Madison |
| Second White Specks |
| Second White Specks, Bow Island |
| Second White Specks, Spike |
| Shannon |
| Silurian Undifferentiated |
| Siluro-Ordovician |
| Spike Zone, Blackleaf Fm. |
| Spike, Bow Island, Sunburst |
| Stensvad |
| Stonewall |
| Stonewall, Interlake |
| Stonewall, Red River |
| Stony Mountain |
| Sun River Dolomite |
| Sunburst |
| Sunburst, Dakota |
| Swift |
| Swift, Sunburst |
| Telegraph Creek Formation |
| Tensleep |
| Tensleep, Amsden |
| Three Forks |
| Tyler |
| Tyler, Stensvad |
| Unknown |
| Virgelle Sandstone |
| Virgelle, Telegraph Creek |
| Wall |
| Winnipegosis |
| Z, Colorado Shale |
| <all other values> |
Field Production Gas Cums (11)
| <5,996,770 |
| <24,134,585 |
| <67,833,047 |
| <118,723,081 |
| <351,876,747 |
Field Production Oil Cums (12)
| < 4,553,148 |
| <19,575,727 |
| <50,277,185 |
| <134,380,060 |
| <191,853,907 |
|