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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| DJR Operating, LLC | New Mexico | 433,114 BBLs | 1,283,325 MCF | Nov 2017 - Mar 2025 |
| Dorcheat Oil & Gas, LLC | Louisiana | 245 BBLs | 35,651 MCF | Mar 2016 - Dec 2024 |
| Double Eagle Exploration, Inc. | Kansas | 1,420 BBLs | 0 MCF | Jan 1980 - Jan 2025 |
| Double G Petro LLC | Kansas | 1,645 BBLs | 0 MCF | Jan 2024 - Jan 2025 |
| Downing-Nelson Oil Co Inc | Kansas | 23,759 BBLs | 636 MCF | Jan 1980 - Jan 2025 |
| Dugan Production Corp | New Mexico | 2,239 BBLs | 491,662 MCF | Jan 1993 - Feb 2025 |
| Dunn Exploration Company, LLC | Louisiana | 68,232 BBLs | 141,231 MCF | Apr 2010 - Jan 2025 |
| Durango Operating, LLC | Alabama | 1,955 BBLs | 29 MCF | May 1952 - Feb 2025 |
| E2 Operating, LLC | Mississippi | 3,834 BBLs | 382 MCF | Nov 1976 - Feb 2025 |
| Eagle Creek Corporation | Kansas | 2,904 BBLs | 0 MCF | Jan 1980 - Jan 2025 |
| Eagle Operating, Inc. | North Dakota | 8,253 BBLs | 6,262 MCF | Dec 1991 - Mar 2025 |
| Earthstone Operating, LLC | New Mexico | 1,342,837 BBLs | 3,267,461 MCF | Mar 2022 - Feb 2025 |
| Edge Energy LLC | Colorado | 30,681 BBLs | 292,608 MCF | Dec 2015 - Feb 2025 |
| Edison Operating Company LLC | Kansas | 16,960 BBLs | 231,405 MCF | Jan 1980 - Jan 2025 |
| Edmiston Oil Company, Inc. | Kansas | 2,464 BBLs | 14,072 MCF | Jan 1980 - Jan 2025 |
| Egh Operating, LLC | Louisiana | 1,847 BBLs | 0 MCF | Aug 2018 - Dec 2024 |
| Elendil Resources LLC | Kansas | 0 BBLs | 25,696 MCF | Jan 2020 - Jan 2025 |
| Elevate Energy LTD | Kansas | 4,172 BBLs | 885 MCF | Jan 2020 - Jan 2025 |
| Elk Energy Holdings LLC | Kansas | 2,296 BBLs | 404 MCF | Jan 2010 - Jan 2025 |
| Elk Operating Services, LLC | Utah | 227,543 BBLs | 673,134 MCF | Jan 2018 - Mar 2025 |
| Elm III Operating Company LLC | Kansas | 1,948 BBLs | 10,403 MCF | Jan 1980 - Jan 2025 |
| Empire New Mexico LLC | New Mexico | 35,099 BBLs | 78,609 MCF | May 2021 - Feb 2025 |
| Empire North Dakota LLC | North Dakota | 17,436 BBLs | 6,331 MCF | Sep 2019 - Mar 2025 |
| Empresa Operating, LLC | Louisiana | 30,933 BBLs | 276,367 MCF | Sep 2019 - Dec 2024 |
| Emre Oil LLC | Wyoming | 3,160 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 | 505,159 MCF | Nov 2017 - Mar 2025 |
| Enduring Resources, LLC | New Mexico | 312,151 BBLs | 1,367,797 MCF | Dec 2017 - Mar 2025 |
| Enerco Operating Corporation | Arkansas | 7,526 BBLs | 0 MCF | Jan 2001 - Jan 2025 |
| Enerplus Resources USA Corporation | North Dakota | 1,630,510 BBLs | 3,645,113 MCF | Mar 2006 - Mar 2025 |
| Ensight IV Energy Management, LLC | Louisiana | 4,268 BBLs | 417,482 MCF | Jul 2017 - Dec 2024 |
| Enterra Resources, LLC | Kansas | 5,588 BBLs | 9,545 MCF | Jan 2010 - Jan 2025 |
| EOG Resources Inc | New Mexico | 10,035,115 BBLs | 43,684,735 MCF | Jan 1993 - Mar 2025 |
| EOG Resources Inc | Wyoming | 977,595 BBLs | 6,287,556 MCF | Jan 1978 - Mar 2025 |
| EOG Resources, Inc. | North Dakota | 717,667 BBLs | 1,570,058 MCF | Apr 2001 - Mar 2025 |
| Epic Energy LLC | Colorado | 0 BBLs | 22,561 MCF | Nov 2018 - Feb 2025 |
| Epic Energy, L.L.C. | New Mexico | 3,152 BBLs | 282,285 MCF | Mar 2018 - Feb 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 | 1,593 BBLs | 1,777 MCF | Jan 2010 - Jan 2025 |
| Evergreen Natural Resources LLC | Colorado | 0 BBLs | 1,804,133 MCF | Dec 2018 - Mar 2025 |
| Excalibur Production Company, Inc. | Kansas | 5,313 BBLs | 0 MCF | Jan 1980 - Jan 2025 |
| 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 | 12,671 BBLs | 169,475 MCF | Apr 2021 - Mar 2025 |
| Extraction Oil & Gas LLC | Colorado | 629,989 BBLs | 5,449,837 MCF | Jul 2013 - Feb 2025 |
| Exxon Mobil Corporation | Alabama | 384 BBLs | 947,304 MCF | Nov 1971 - Feb 2025 |
| Exxon Mobil Corporation | Wyoming | 0 BBLs | 20,009,518 MCF | Jan 1978 - Feb 2025 |