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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Hughes Eastern Corporation | Alabama | 3,844 BBLs | 11,568 MCF | Sep 1977 - Dec 2019 |
| Hughes Eastern Corporation | Louisiana | 2,752 BBLs | 395 MCF | May 1986 - Sep 2018 |
| Hunt Oil Company | North Dakota | 340,312 BBLs | 290,439 MCF | Aug 1956 - Jan 2020 |
| Huntington Energy LLC | Wyoming | 4,867 BBLs | 3,160 MCF | Jan 1980 - Dec 2020 |
| Hyperion Oil & Gas LLC | Wyoming | 10,445 BBLs | 89,816 MCF | Jan 1979 - Dec 2020 |
| I.G. Petroleum, L.L.C | Louisiana | 2,439 BBLs | 0 MCF | Sep 2000 - Aug 2018 |
| Ia Operating, Inc. | Kansas | 4,762 BBLs | 0 MCF | Apr 1997 - Dec 2019 |
| Impact Exploration & Production LLC | Wyoming | 110,795 BBLs | 217,448 MCF | Jan 2017 - Dec 2020 |
| Impetro Operating LLC | New Mexico | 12,520 BBLs | 64,853 MCF | Jul 2018 - Jan 2020 |
| Incremental Oil & Gas USA Holdings Inc | Wyoming | 2,971 BBLs | 36,717 MCF | Jan 2015 - Dec 2020 |
| Indian Exploration, Inc. | Louisiana | 10,530 BBLs | 141 MCF | Feb 1992 - Oct 2018 |
| Indian Oil Co., Inc. | Kansas | 8,431 BBLs | 56,764 MCF | Jan 1980 - Dec 2019 |
| Indigo Minerals LLC | Louisiana | 14,568 BBLs | 15,976,891 MCF | Aug 2007 - Sep 2018 |
| Indigo Resources LLC | Louisiana | 2,212 BBLs | 804,676 MCF | Dec 2015 - Aug 2018 |
| Interstate Explorations LLC | Louisiana | 436 BBLs | 55,588 MCF | Sep 2012 - Aug 2018 |
| Investment Equipment LLC | Colorado | 2,359 BBLs | 930 MCF | Apr 2010 - Jan 2020 |
| Iron Oil Operating, LLC | North Dakota | 55,165 BBLs | 98,680 MCF | Jun 2017 - Jan 2020 |
| J-V Oil, LLC | Kansas | 2,355 BBLs | 1,247 MCF | Jan 1980 - Dec 2019 |
| J-W Operating Company | Louisiana | 993 BBLs | 1,785,363 MCF | Jan 1977 - Aug 2018 |
| J. P. Van Way | Louisiana | 7,931 BBLs | 21,048 MCF | Jul 1981 - Sep 2018 |
| J. R. Pounds, Inc. | Mississippi | 5,181 BBLs | 6,406 MCF | Nov 1976 - Jan 2020 |
| Jabsco Oil Operating, LLC | Alabama | 726 BBLs | 46,359 MCF | Feb 1977 - Dec 2019 |
| Jack L. Phillips Co. | Mississippi | 6,321 BBLs | 1,796 MCF | Jan 2019 - Jan 2020 |
| Jag Operating, L.L.C. | Louisiana | 2,397 BBLs | 2,223 MCF | Jan 2008 - Sep 2018 |
| James Drilling Co., Inc. | Louisiana | 2,833 BBLs | 0 MCF | Oct 1986 - Oct 2018 |
| Jamex, Inc | Arkansas | 3,002 BBLs | 0 MCF | Apr 2002 - Jan 2020 |
| Jason Oil Company, LLC | Kansas | 8,699 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Jaspar Co. | Kansas | 4,003 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Jay Management Company, LLC | New Mexico | 1,995 BBLs | 27,705 MCF | Mar 2007 - Jan 2020 |
| Jeems Bayou Production Corp. | Louisiana | 1,294 BBLs | 27,511 MCF | Jan 1977 - Sep 2018 |
| Jel Resources, LLC | Kansas | 2,275 BBLs | 0 MCF | Feb 2018 - Dec 2019 |
| Jicarilla Energy Co | New Mexico | 0 BBLs | 213,327 MCF | Jan 1993 - Jan 2020 |
| Jimmy P Dempsey | Louisiana | 3,582 BBLs | 60 MCF | Jan 1977 - Sep 2018 |
| John J. Welsh | Louisiana | 2,403 BBLs | 41,656 MCF | Nov 1988 - Sep 2018 |
| John Roy Evans Oil Company LLC | Kansas | 2,157 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Jonah Energy LLC | Wyoming | 162,735 BBLs | 16,776,801 MCF | Jan 2014 - Dec 2019 |
| Jordan Development Company LLC | Michigan | 2,392 BBLs | 249,723 MCF | Jan 1986 - Dec 2019 |
| JP Oil Wyoming LLC | Wyoming | 3,032 BBLs | 4,697 MCF | Jan 2018 - Dec 2020 |
| Justiss Oil Company, Inc. | Louisiana | 5,238 BBLs | 69,162 MCF | Mar 1981 - Sep 2018 |
| K & N Petroleum, Inc. | Kansas | 4,060 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| K P Kauffman Company Inc | Colorado | 19,230 BBLs | 136,325 MCF | Jan 1999 - Jan 2020 |
| K P Kauffman Company Inc | New Mexico | 2,159 BBLs | 2,645 MCF | Oct 2004 - Jan 2020 |
| K-Bar Oil | Kansas | 3,172 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| K3 Oil & Gas Operating Company | Kansas | 2,546 BBLs | 4,029 MCF | Jan 2010 - Dec 2019 |
| Kahan And Associates, Inc | Kansas | 6,966 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Kaiser Francis Oil Co | Wyoming | 78,691 BBLs | 165,169 MCF | Jan 1978 - Dec 2020 |
| Kaiser-Francis Oil Co | New Mexico | 287,053 BBLs | 817,993 MCF | Jan 1993 - Jan 2020 |
| Kaiser-Francis Oil Company | Louisiana | 10,791 BBLs | 96,775 MCF | Aug 1981 - Sep 2018 |
| Kaiser-Francis Oil Company | North Dakota | 27,345 BBLs | 31,355 MCF | Jul 2002 - Jan 2020 |
| Kansas Energy Company, L.L.C. | Kansas | 2,720 BBLs | 0 MCF | Jan 1980 - Dec 2019 |