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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Dynamic Exploration PTRS, LLC | Louisiana | 3,428 BBLs | 217 MCF | Nov 2003 - Apr 2023 |
| E & B Natural Resources Management | Wyoming | 23,773 BBLs | 105 MCF | Feb 2011 - May 2023 |
| E & B Natural Resources Management Corp. | Kansas | 7,310 BBLs | 0 MCF | Jan 1980 - Feb 2023 |
| E2 Operating, LLC | Mississippi | 4,952 BBLs | 495 MCF | Nov 1976 - Apr 2023 |
| Eagle Creek Corporation | Kansas | 2,664 BBLs | 1,174 MCF | Jan 1980 - Feb 2023 |
| Eagle Operating, Inc. | North Dakota | 11,091 BBLs | 11,457 MCF | Dec 1991 - May 2023 |
| Edge Energy LLC | Colorado | 41,030 BBLs | 380,215 MCF | Dec 2015 - Apr 2023 |
| Edison Operating Company LLC | Kansas | 17,949 BBLs | 249,190 MCF | Jan 1980 - Feb 2023 |
| Edmiston Oil Company, Inc. | Kansas | 2,006 BBLs | 16,830 MCF | Jan 1980 - Feb 2023 |
| Elk Energy Holdings LLC | Kansas | 4,144 BBLs | 519 MCF | Jan 2010 - Feb 2023 |
| Elk Operating Services, LLC | Utah | 242,228 BBLs | 662,069 MCF | Jan 2018 - May 2023 |
| Ellbogen John P LTD | Wyoming | 1,489 BBLs | 0 MCF | Jan 1978 - May 2023 |
| Elm III Operating Company LLC | Kansas | 2,214 BBLs | 7,582 MCF | Jan 1980 - Feb 2023 |
| Elysium Jennings, LLC | Louisiana | 6,033 BBLs | 77,507 MCF | Jun 2003 - Mar 2023 |
| Eme Wyoming LLC | Wyoming | 5,188 BBLs | 7,025 MCF | Apr 2022 - May 2023 |
| Emep Operating, LLC | Montana | 80,448 BBLs | 189,645 MCF | Jan 2022 - Apr 2023 |
| Emep Operating, LLC | North Dakota | 19,937 BBLs | 20,044 MCF | Jun 2022 - May 2023 |
| Empire New Mexico LLC | New Mexico | 39,122 BBLs | 76,439 MCF | May 2021 - Apr 2023 |
| Empire North Dakota LLC | North Dakota | 13,765 BBLs | 288 MCF | Sep 2019 - May 2023 |
| Empresa Operating, LLC | Louisiana | 66,632 BBLs | 526,629 MCF | Sep 2019 - Mar 2023 |
| Emre Oil LLC | Wyoming | 2,882 BBLs | 0 MCF | Jul 2015 - Apr 2023 |
| Endurance Operating LLC | Louisiana | 1,683 BBLs | 4,865 MCF | Nov 2022 - Mar 2023 |
| Enduring Resources, LLC | New Mexico | 361,417 BBLs | 1,627,151 MCF | Dec 2017 - Apr 2023 |
| Enerco Operating Corporation | Arkansas | 8,190 BBLs | 0 MCF | Jan 2001 - Jul 2022 |
| Energy Xxi Gom, LLC | Louisiana | 7,152 BBLs | 6,992 MCF | Jul 2006 - Mar 2023 |
| Enerplus Resources USA Corporation | North Dakota | 1,356,967 BBLs | 3,308,495 MCF | Mar 2006 - May 2023 |
| Enerquest Oil & Gas, L.L.C. | Louisiana | 1,920 BBLs | 36,032 MCF | Oct 1998 - Mar 2023 |
| Enervest Operating L.L.C. | New Mexico | 5,812 BBLs | 450,796 MCF | Feb 1995 - Apr 2023 |
| Enervest Production Partners, LTD. | Louisiana | 0 BBLs | 96,609 MCF | Sep 2019 - Mar 2023 |
| Eni Us Operating Co. Inc. | Alaska | 702,243 BBLs | 263,294 MCF | Jan 2011 - May 2023 |
| Ensight IV Energy Management, LLC | Louisiana | 4,440 BBLs | 3,761,794 MCF | Jul 2017 - Apr 2023 |
| Enterra Resources, LLC | Kansas | 6,658 BBLs | 10,973 MCF | Jan 2010 - Feb 2023 |
| EOG Resources Inc | New Mexico | 9,787,001 BBLs | 33,503,563 MCF | Jan 1993 - Apr 2023 |
| EOG Resources Inc | Wyoming | 1,088,248 BBLs | 6,476,432 MCF | Jan 1978 - Apr 2023 |
| EOG Resources, Inc. | North Dakota | 510,502 BBLs | 1,779,800 MCF | Apr 2001 - May 2023 |
| Epic Energy, L.L.C. | New Mexico | 5,481 BBLs | 248,830 MCF | Mar 2018 - Apr 2023 |
| Epoc, LLC | Kansas | 1,779 BBLs | 0 MCF | Jan 2020 - Feb 2023 |
| Escambia Operating Co. LLC | Alabama | 22,006 BBLs | 445,873 MCF | Jul 1970 - Mar 2023 |
| Etc Texas Pipeline, LTD. | Louisiana | 3,698 BBLs | 0 MCF | Jul 2018 - Mar 2023 |
| Evangeline Natural Resources, LLC | Louisiana | 3,069 BBLs | 19,202 MCF | Aug 2013 - Mar 2023 |
| Excalibur Operating, LLC | Louisiana | 1,652 BBLs | 0 MCF | Jan 2016 - Mar 2023 |
| Excalibur Production Company, Inc. | Kansas | 5,481 BBLs | 0 MCF | Jan 1980 - Feb 2023 |
| Exco Operating Company, LP | Louisiana | 0 BBLs | 12,433,465 MCF | Jul 2008 - Mar 2023 |
| Extex Operating Co | Louisiana | 5,973 BBLs | 10,772 MCF | Dec 1999 - Mar 2023 |
| Extex Operating Company | New Mexico | 16,375 BBLs | 170,394 MCF | Apr 2021 - Apr 2023 |
| Extraction Oil & Gas LLC | Colorado | 1,015,054 BBLs | 7,436,874 MCF | Sep 2013 - Apr 2023 |
| Exxon Mobil Corporation | Alabama | 577 BBLs | 1,170,786 MCF | Mar 1975 - Mar 2023 |
| Exxon Mobil Corporation | Wyoming | 0 BBLs | 20,805,837 MCF | Jan 1978 - Apr 2023 |
| F. G. Holl Company L.L.C. | Kansas | 8,658 BBLs | 21,096 MCF | Jan 1980 - Feb 2023 |
| Fae II Operating LLC | New Mexico | 21,420 BBLs | 209,055 MCF | Dec 2019 - Apr 2023 |