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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Herman L. Loeb, LLC | Kansas | 35,096 BBLs | 120,717 MCF | Jan 1980 - Dec 2018 |
| Hess Bakken Investments II, LLC | North Dakota | 3,456,281 BBLs | 7,380,183 MCF | Jan 2014 - Feb 2019 |
| Hess Oil Company | Kansas | 7,327 BBLs | 0 MCF | Jan 1980 - Dec 2018 |
| Highmark Energy Operating, LLC | Louisiana | 713 BBLs | 117,111 MCF | Jun 2014 - Aug 2018 |
| Hilcorp Alaska LLC | Alaska | 1,547,721 BBLs | 35,320,147 MCF | Nov 2011 - Feb 2019 |
| Hilcorp Energy Company | Colorado | 460 BBLs | 2,473,717 MCF | Dec 2005 - Jan 2019 |
| Hilcorp Energy Company | Louisiana | 555,264 BBLs | 3,618,117 MCF | Oct 1990 - Sep 2018 |
| Hilcorp Energy Company | New Mexico | 52,504 BBLs | 29,048,623 MCF | Aug 2017 - Sep 2018 |
| Hilcorp Energy Company | Wyoming | 25,943 BBLs | 3,214,615 MCF | Jan 1978 - Dec 2019 |
| Hilcorp Energy Company, Inc. | Alabama | 30,885 BBLs | 188,546 MCF | Oct 1976 - Dec 2018 |
| Hillenburg Oil Co., A General Partnership | Kansas | 2,957 BBLs | 0 MCF | Jan 1980 - Dec 2018 |
| Hogback Exploration, Inc. | Arkansas | 0 BBLs | 98,553 MCF | Jan 2001 - Dec 2018 |
| HRM Resources III LLC | Wyoming | 3,597 BBLs | 574,583 MCF | Jan 2017 - Dec 2019 |
| Hudson Group LLC | Wyoming | 2,929 BBLs | 309 MCF | Jan 1978 - Dec 2019 |
| Hudson Oil Company Of Texas | New Mexico | 3,201 BBLs | 9,116 MCF | Jan 1993 - Sep 2018 |
| Hughes Eastern Corporation | Alabama | 6,050 BBLs | 11,512 MCF | Sep 1977 - Dec 2018 |
| Hughes Eastern Corporation | Louisiana | 2,806 BBLs | 1,588 MCF | May 1986 - Sep 2018 |
| Hummon Corporation | Kansas | 2,778 BBLs | 10,404 MCF | Jan 1980 - Dec 2018 |
| Hunt Oil Company | North Dakota | 287,974 BBLs | 239,715 MCF | Aug 1956 - Feb 2019 |
| Huntington Energy LLC | Wyoming | 4,832 BBLs | 2,994 MCF | Jan 1980 - Dec 2019 |
| Huntington Energy, LLC | New Mexico | 2,869 BBLs | 105,544 MCF | Apr 2003 - Sep 2018 |
| Hyperion Oil & Gas LLC | Wyoming | 7,604 BBLs | 43,275 MCF | Jan 1979 - Dec 2019 |
| I.G. Petroleum, L.L.C | Louisiana | 2,582 BBLs | 0 MCF | Sep 2000 - Aug 2018 |
| Ia Operating, Inc. | Kansas | 6,185 BBLs | 0 MCF | Apr 1997 - Dec 2018 |
| Impact Exploration & Production LLC | Wyoming | 70,482 BBLs | 148,949 MCF | Jan 2017 - Dec 2019 |
| Impetro Operating LLC | New Mexico | 35,307 BBLs | 167,532 MCF | Jul 2018 - Oct 2018 |
| Incremental Oil & Gas USA Holdings Inc | Wyoming | 3,118 BBLs | 51,646 MCF | Jan 2015 - Dec 2019 |
| Indian Exploration, Inc. | Louisiana | 9,692 BBLs | 35 MCF | Feb 1992 - Oct 2018 |
| Indian Oil Co., Inc. | Kansas | 5,780 BBLs | 69,558 MCF | Jan 1980 - Dec 2018 |
| Indigo Minerals LLC | Louisiana | 15,241 BBLs | 16,720,736 MCF | Aug 2007 - Sep 2018 |
| Indigo Resources LLC | Louisiana | 3,195 BBLs | 793,154 MCF | Dec 2015 - Aug 2018 |
| Interstate Explorations LLC | Louisiana | 1,332 BBLs | 111,776 MCF | Sep 2012 - Aug 2018 |
| Investment Equipment LLC | Colorado | 3,118 BBLs | 1,720 MCF | Apr 2010 - Feb 2019 |
| Iron Oil Operating, LLC | North Dakota | 56,380 BBLs | 81,372 MCF | Jun 2017 - Feb 2019 |
| J-V Oil, LLC | Kansas | 2,728 BBLs | 1,326 MCF | Jan 1980 - Dec 2018 |
| J-W Operating Company | Louisiana | 707 BBLs | 1,734,389 MCF | Jan 1977 - Aug 2018 |
| J. P. Van Way | Louisiana | 10,149 BBLs | 28,199 MCF | Jul 1981 - Sep 2018 |
| J. R. Pounds, Inc. | Mississippi | 5,912 BBLs | 5,750 MCF | Jan 2018 - Feb 2019 |
| Jabsco Oil Operating, LLC | Alabama | 851 BBLs | 50,292 MCF | Feb 1977 - Dec 2018 |
| Jack L. Phillips | Mississippi | 6,888 BBLs | 1,956 MCF | Jan 2018 - Feb 2019 |
| Jag Operating, L.L.C. | Louisiana | 2,770 BBLs | 782 MCF | Jan 2008 - Sep 2018 |
| James Drilling Co., Inc. | Louisiana | 3,155 BBLs | 0 MCF | Oct 1986 - Oct 2018 |
| Jamex, Inc | Arkansas | 3,297 BBLs | 0 MCF | Apr 2002 - Jan 2019 |
| Jason Oil Company, LLC | Kansas | 7,005 BBLs | 0 MCF | Jan 1980 - Dec 2018 |
| Jaspar Co. | Kansas | 3,583 BBLs | 0 MCF | Jan 1980 - Dec 2018 |
| Jeems Bayou Production Corp. | Louisiana | 1,338 BBLs | 24,185 MCF | Jan 1977 - Sep 2018 |
| Jimmy P Dempsey | Louisiana | 4,214 BBLs | 78 MCF | Jan 1977 - Sep 2018 |
| John H Hendrix Corp | New Mexico | 13,538 BBLs | 313,119 MCF | Jan 1993 - Sep 2018 |
| John J. Welsh | Louisiana | 2,683 BBLs | 45,136 MCF | Nov 1988 - Sep 2018 |
| Jonah Energy LLC | Wyoming | 166,425 BBLs | 16,260,894 MCF | Jan 2014 - Dec 2019 |