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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Eagle Operating, Inc. | North Dakota | 6,430 BBLs | 5,656 MCF | Dec 1991 - Feb 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 | 16,101 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 | 227,543 BBLs | 673,134 MCF | Jan 2018 - Feb 2025 |
| Elm III Operating Company LLC | Kansas | 1,722 BBLs | 10,101 MCF | Jan 1980 - Dec 2024 |
| 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 | 3,160 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 - Feb 2025 |
| Enduring Resources, LLC | New Mexico | 312,151 BBLs | 1,367,797 MCF | Dec 2017 - Feb 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 | 10,035,118 BBLs | 43,684,735 MCF | Jan 1993 - Feb 2025 |
| EOG Resources Inc | Wyoming | 977,751 BBLs | 6,287,552 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 | 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 | 1,312 BBLs | 1,827 MCF | Jan 2010 - Dec 2024 |
| Evergreen Natural Resources LLC | Colorado | 0 BBLs | 1,804,133 MCF | Dec 2018 - Feb 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 | 12,671 BBLs | 169,475 MCF | Apr 2021 - Feb 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 |
| F. G. Holl Company L.L.C. | Kansas | 7,958 BBLs | 11,942 MCF | Jan 1980 - Dec 2024 |
| Fae II Operating LLC | New Mexico | 17,571 BBLs | 84,607 MCF | Dec 2019 - Feb 2025 |
| Faith Energy, L.L.C. | Louisiana | 1,209 BBLs | 0 MCF | Jul 2000 - Jan 2025 |
| Falcon Exploration, Inc. | Kansas | 7,417 BBLs | 27,979 MCF | Jan 1980 - Dec 2024 |
| Farmer, John O., Inc. | Kansas | 27,692 BBLs | 6,965 MCF | Jan 1980 - Dec 2024 |
| Fasken Oil & Ranch LTD | New Mexico | 22,124 BBLs | 33,357 MCF | Jan 1996 - Feb 2025 |
| Federated Oil And Gas Properties Inc | Michigan | 6,114 BBLs | 1,330 MCF | Jan 1982 - Feb 2025 |
| FH Petroleum Corp. | North Dakota | 2,355 BBLs | 610 MCF | Dec 2001 - Feb 2025 |
| Finley Resources Inc | Wyoming | 2,498 BBLs | 0 MCF | Jul 2001 - Mar 2025 |
| Finley Resources, Inc | Utah | 173,064 BBLs | 333,932 MCF | Apr 2008 - Feb 2025 |
| Firstrike Energy Corporation | Louisiana | 3,495 BBLs | 2,479 MCF | Nov 2017 - Jan 2025 |