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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| DJR Operating, LLC | New Mexico | 507,729 BBLs | 1,404,374 MCF | Nov 2017 - Jan 2025 |
| Dorcheat Oil & Gas, LLC | Louisiana | 245 BBLs | 35,651 MCF | Mar 2016 - Dec 2024 |
| Double Eagle Exploration, Inc. | Kansas | 1,900 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Double G Petro LLC | Kansas | 1,454 BBLs | 0 MCF | Jan 2024 - Dec 2024 |
| Downing-Nelson Oil Co Inc | Kansas | 18,048 BBLs | 9 MCF | Jan 1980 - Dec 2024 |
| Dugan Production Corp | New Mexico | 2,160 BBLs | 504,946 MCF | Jan 1993 - Jan 2025 |
| Dunn Exploration Company, LLC | Louisiana | 68,232 BBLs | 141,231 MCF | Apr 2010 - Jan 2025 |
| Durango Operating LLC | Mississippi | 1,371 BBLs | 249 MCF | Dec 1976 - Jan 2025 |
| Durango Operating, LLC | Alabama | 2,215 BBLs | 30 MCF | May 1952 - Jan 2025 |
| E2 Operating, LLC | Mississippi | 4,503 BBLs | 451 MCF | Nov 1976 - Jan 2025 |
| Eagle Creek Corporation | Kansas | 2,794 BBLs | 10 MCF | Jan 1980 - Dec 2024 |
| Eagle Operating, Inc. | North Dakota | 6,430 BBLs | 5,656 MCF | Dec 1991 - Feb 2025 |
| Earthstone Operating, LLC | New Mexico | 1,441,727 BBLs | 3,426,096 MCF | Mar 2022 - Jan 2025 |
| Edge Energy LLC | Colorado | 35,727 BBLs | 340,362 MCF | Dec 2015 - Jan 2025 |
| Edison Operating Company LLC | Kansas | 16,101 BBLs | 226,811 MCF | Jan 1980 - Dec 2024 |
| Edmiston Oil Company, Inc. | Kansas | 1,446 BBLs | 14,539 MCF | Jan 1980 - Dec 2024 |
| Egh Operating, LLC | Louisiana | 1,847 BBLs | 0 MCF | Aug 2018 - Dec 2024 |
| Elendil Resources LLC | Kansas | 0 BBLs | 23,451 MCF | Jan 2020 - Dec 2024 |
| Elevate Energy LTD | Kansas | 3,187 BBLs | 1,100 MCF | Jan 2020 - Dec 2024 |
| Elk Energy Holdings LLC | Kansas | 1,521 BBLs | 521 MCF | Jan 2010 - Dec 2024 |
| Elk Operating Services, LLC | Utah | 242,476 BBLs | 730,037 MCF | Jan 2018 - Feb 2025 |
| Elm III Operating Company LLC | Kansas | 1,722 BBLs | 10,101 MCF | Jan 1980 - Dec 2024 |
| Empire New Mexico LLC | New Mexico | 37,806 BBLs | 90,154 MCF | May 2021 - Jan 2025 |
| Empire North Dakota LLC | North Dakota | 17,432 BBLs | 6,032 MCF | Sep 2019 - Feb 2025 |
| Empresa Operating, LLC | Louisiana | 30,933 BBLs | 276,367 MCF | Sep 2019 - Dec 2024 |
| Emre Oil LLC | Wyoming | 3,610 BBLs | 0 MCF | Jul 2015 - Feb 2025 |
| Endurance Operating LLC | Louisiana | 1,790 BBLs | 7,885 MCF | Nov 2022 - Dec 2024 |
| Enduring Resources LLC | Colorado | 0 BBLs | 548,766 MCF | Nov 2017 - Jan 2025 |
| Enduring Resources, LLC | New Mexico | 349,742 BBLs | 1,443,496 MCF | Dec 2017 - Jan 2025 |
| Enerco Operating Corporation | Arkansas | 7,526 BBLs | 0 MCF | Jan 2001 - Jan 2025 |
| Enerplus Resources USA Corporation | North Dakota | 1,483,782 BBLs | 3,255,949 MCF | Mar 2006 - Feb 2025 |
| Ensight IV Energy Management, LLC | Louisiana | 4,268 BBLs | 417,482 MCF | Jul 2017 - Dec 2024 |
| Enterra Resources, LLC | Kansas | 5,442 BBLs | 10,030 MCF | Jan 2010 - Dec 2024 |
| EOG Resources Inc | New Mexico | 10,657,328 BBLs | 46,031,205 MCF | Jan 1993 - Jan 2025 |
| EOG Resources Inc | Wyoming | 1,053,298 BBLs | 6,958,140 MCF | Jan 1978 - Feb 2025 |
| EOG Resources, Inc. | North Dakota | 722,636 BBLs | 1,483,450 MCF | Apr 2001 - Feb 2025 |
| Epic Energy LLC | Colorado | 0 BBLs | 24,086 MCF | Nov 2018 - Jan 2025 |
| Epic Energy, L.L.C. | New Mexico | 3,046 BBLs | 296,487 MCF | Mar 2018 - Jan 2025 |
| Et Gathering & Processing LLC | Louisiana | 4,239 BBLs | 0 MCF | Oct 2023 - Dec 2024 |
| Ethyl Gas Company, LLC | Louisiana | 1,456 BBLs | 0 MCF | Nov 2021 - Jan 2025 |
| Evangeline Natural Resources, LLC | Louisiana | 3,123 BBLs | 24,531 MCF | Aug 2013 - Jan 2025 |
| Everglow Energy, LLC | Kansas | 1,312 BBLs | 1,827 MCF | Jan 2010 - Dec 2024 |
| Evergreen Natural Resources LLC | Colorado | 0 BBLs | 2,010,076 MCF | Dec 2018 - Jan 2025 |
| Excalibur Production Company, Inc. | Kansas | 4,622 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Excel Operating Corporation | Louisiana | 611 BBLs | 13,099 MCF | Jan 1997 - Dec 2024 |
| Exco Operating Company, LP | Louisiana | 0 BBLs | 7,351,709 MCF | Jul 2008 - Dec 2024 |
| Extex Operating Co | Louisiana | 3,073 BBLs | 7,467 MCF | Dec 1999 - Dec 2024 |
| Extex Operating Company | New Mexico | 12,470 BBLs | 185,045 MCF | Apr 2021 - Feb 2025 |
| Extraction Oil & Gas LLC | Colorado | 779,708 BBLs | 6,152,519 MCF | Jul 2013 - Jan 2025 |
| Exxon Mobil Corporation | Alabama | 130 BBLs | 435,264 MCF | Nov 1971 - Jan 2025 |