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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Eagle Creek Corporation | Kansas | 3,338 BBLs | 627 MCF | Jan 1980 - Jan 2023 |
| Eagle Operating, Inc. | North Dakota | 12,364 BBLs | 12,133 MCF | Dec 1991 - Apr 2023 |
| Earthstone Operating, LLC | New Mexico | 1,109,646 BBLs | 2,891,235 MCF | Mar 2022 - Mar 2023 |
| Edison Operating Company LLC | Kansas | 15,041 BBLs | 249,746 MCF | Jan 1980 - Jan 2023 |
| Edmiston Oil Company, Inc. | Kansas | 2,090 BBLs | 15,165 MCF | Jan 1980 - Jan 2023 |
| Elk Energy Holdings LLC | Kansas | 4,837 BBLs | 547 MCF | Jan 2010 - Jan 2023 |
| Elk Operating Services, LLC | Utah | 246,841 BBLs | 637,059 MCF | Jan 2018 - Apr 2023 |
| Elm III Operating Company LLC | Kansas | 1,211 BBLs | 7,894 MCF | Jan 1980 - Jan 2023 |
| Elysium Jennings, LLC | Louisiana | 6,033 BBLs | 77,507 MCF | Jun 2003 - Mar 2023 |
| Eme Wyoming LLC | Wyoming | 6,130 BBLs | 7,912 MCF | Apr 2022 - Apr 2023 |
| Emep Operating, LLC | Montana | 81,125 BBLs | 173,216 MCF | Jan 2022 - Mar 2023 |
| Emep Operating, LLC | North Dakota | 20,380 BBLs | 21,141 MCF | Jun 2022 - Apr 2023 |
| Empire New Mexico LLC | New Mexico | 39,941 BBLs | 107,301 MCF | May 2021 - Mar 2023 |
| Empire North Dakota LLC | Montana | 3,633 BBLs | 1,358 MCF | Jul 2019 - Feb 2023 |
| Empire North Dakota LLC | North Dakota | 12,978 BBLs | 264 MCF | Sep 2019 - Apr 2023 |
| Empresa Operating, LLC | Louisiana | 66,632 BBLs | 526,629 MCF | Sep 2019 - Mar 2023 |
| Emre Oil LLC | Wyoming | 3,027 BBLs | 0 MCF | Jul 2015 - Apr 2023 |
| Endeavor Energy Resources, LP | New Mexico | 1,633 BBLs | 9,716 MCF | Oct 2000 - Mar 2023 |
| Endurance Operating LLC | Louisiana | 1,683 BBLs | 4,865 MCF | Nov 2022 - Mar 2023 |
| Enduring Resources, LLC | New Mexico | 391,030 BBLs | 1,673,193 MCF | Dec 2017 - Mar 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 | 1,624,176 BBLs | 3,716,183 MCF | Mar 2006 - Apr 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 | 5,911 BBLs | 449,489 MCF | Feb 1995 - Mar 2023 |
| Enervest Production Partners, LTD. | Louisiana | 0 BBLs | 96,609 MCF | Sep 2019 - Mar 2023 |
| Eni Us Operating Co. Inc. | Alaska | 723,155 BBLs | 246,646 MCF | Jan 2011 - Apr 2023 |
| Ensight IV Energy Management, LLC | Louisiana | 4,440 BBLs | 3,761,794 MCF | Jul 2017 - Apr 2023 |
| Enterra Resources, LLC | Kansas | 6,771 BBLs | 10,768 MCF | Jan 2010 - Jan 2023 |
| EOG Resources Inc | New Mexico | 9,407,601 BBLs | 34,063,339 MCF | Jan 1993 - Mar 2023 |
| EOG Resources Inc | Wyoming | 1,127,069 BBLs | 6,563,024 MCF | Jan 1978 - Apr 2023 |
| EOG Resources, Inc. | North Dakota | 544,878 BBLs | 1,806,580 MCF | Apr 2001 - Apr 2023 |
| Eor Operating Company | New Mexico | 1,577 BBLs | 0 MCF | Jan 2008 - Mar 2023 |
| Epic Energy, L.L.C. | New Mexico | 5,044 BBLs | 255,577 MCF | Mar 2018 - Mar 2023 |
| Epoc, LLC | Kansas | 1,623 BBLs | 0 MCF | Jan 2020 - Jan 2023 |
| Escambia Operating Co. LLC | Alabama | 23,662 BBLs | 498,183 MCF | Jul 1970 - Feb 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 |
| Everglow Energy, LLC | Kansas | 1,324 BBLs | 3,339 MCF | Jan 2010 - Jan 2023 |
| Excalibur Operating, LLC | Louisiana | 1,652 BBLs | 0 MCF | Jan 2016 - Mar 2023 |
| Excalibur Production Company, Inc. | Kansas | 4,482 BBLs | 0 MCF | Jan 1980 - Jan 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 | 15,182 BBLs | 172,709 MCF | Apr 2021 - Mar 2023 |
| Extraction Oil & Gas LLC | Colorado | 1,096,132 BBLs | 7,791,819 MCF | Sep 2013 - Mar 2023 |
| Exxon Mobil Corporation | Alabama | 116 BBLs | 1,900,615 MCF | Mar 1975 - Feb 2023 |
| Exxon Mobil Corporation | Wyoming | 0 BBLs | 21,866,188 MCF | Jan 1978 - Mar 2023 |
| F. G. Holl Company L.L.C. | Kansas | 7,681 BBLs | 19,339 MCF | Jan 1980 - Jan 2023 |
| Fae II Operating LLC | New Mexico | 21,896 BBLs | 201,285 MCF | Dec 2019 - Mar 2023 |
| Fair Oil LTD | New Mexico | 4,009 BBLs | 15,801 MCF | Feb 2012 - Mar 2023 |