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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Hess Oil Company | Kansas | 7,234 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Highmark Energy Operating, LLC | Louisiana | 713 BBLs | 117,111 MCF | Jun 2014 - Aug 2018 |
| Hilcorp Alaska LLC | Alaska | 1,534,043 BBLs | 34,497,881 MCF | Nov 2011 - Apr 2019 |
| Hilcorp Energy Company | Louisiana | 555,264 BBLs | 3,618,117 MCF | Oct 1990 - Sep 2018 |
| Hilcorp Energy Company | New Mexico | 63,683 BBLs | 28,465,476 MCF | Aug 2017 - Dec 2018 |
| Hilcorp Energy Company | Wyoming | 30,237 BBLs | 3,327,768 MCF | Jan 1978 - Dec 2019 |
| Hilcorp Energy Company, Inc. | Alabama | 29,592 BBLs | 170,809 MCF | Oct 1976 - Mar 2019 |
| Hillenburg Oil Co., A General Partnership | Kansas | 2,601 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Hoffman Resources LLC | Kansas | 4,130 BBLs | 2,203 MCF | Jan 2010 - Feb 2019 |
| Hogback Exploration, Inc. | Arkansas | 0 BBLs | 89,277 MCF | Jan 2001 - Feb 2019 |
| HRM Resources III LLC | Wyoming | 3,167 BBLs | 579,942 MCF | Jan 2017 - Dec 2019 |
| Hudson Group LLC | Wyoming | 2,930 BBLs | 130 MCF | Jan 1978 - Dec 2019 |
| Hudson Oil Company Of Texas | New Mexico | 3,224 BBLs | 7,738 MCF | Jan 1993 - Dec 2018 |
| Hughes Eastern Corporation | Alabama | 5,108 BBLs | 10,258 MCF | Sep 1977 - Mar 2019 |
| Hughes Eastern Corporation | Louisiana | 2,806 BBLs | 1,588 MCF | May 1986 - Sep 2018 |
| Hummon Corporation | Kansas | 3,050 BBLs | 10,089 MCF | Jan 1980 - Feb 2019 |
| Hunt Oil Company | North Dakota | 321,127 BBLs | 255,460 MCF | Aug 1956 - Apr 2019 |
| Huntington Energy LLC | Wyoming | 5,722 BBLs | 4,017 MCF | Jan 1980 - Dec 2019 |
| Huntington Energy, LLC | New Mexico | 2,127 BBLs | 92,706 MCF | Apr 2003 - Jan 2019 |
| Hyperion Oil & Gas LLC | Wyoming | 7,831 BBLs | 71,696 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 | 6,634 BBLs | 0 MCF | Apr 1997 - Feb 2019 |
| Impact Exploration & Production LLC | Wyoming | 75,594 BBLs | 144,208 MCF | Jan 2017 - Dec 2019 |
| Impetro Operating LLC | New Mexico | 20,679 BBLs | 96,994 MCF | Jul 2018 - Jan 2019 |
| Incremental Oil & Gas USA Holdings Inc | Wyoming | 2,767 BBLs | 43,159 MCF | Jan 2015 - Dec 2019 |
| Indian Exploration, Inc. | Louisiana | 9,692 BBLs | 35 MCF | Feb 1992 - Oct 2018 |
| Indian Oil Co., Inc. | Kansas | 5,118 BBLs | 62,500 MCF | Jan 1980 - Feb 2019 |
| 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 | 2,772 BBLs | 1,891 MCF | Apr 2010 - Mar 2019 |
| Iron Oil Operating, LLC | North Dakota | 57,003 BBLs | 89,226 MCF | Jun 2017 - Apr 2019 |
| J-V Oil, LLC | Kansas | 2,468 BBLs | 2,014 MCF | Jan 1980 - Feb 2019 |
| 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 | 5,323 BBLs | 5,069 MCF | Jan 2018 - Apr 2019 |
| Jabsco Oil Operating, LLC | Alabama | 807 BBLs | 50,611 MCF | Feb 1977 - Mar 2019 |
| Jack L. Phillips | Mississippi | 6,353 BBLs | 1,797 MCF | Jan 2018 - Apr 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 | 2,720 BBLs | 0 MCF | Apr 2002 - Mar 2019 |
| Jason Oil Company, LLC | Kansas | 8,626 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Jay Management Company, LLC | New Mexico | 2,202 BBLs | 31,510 MCF | Mar 2007 - Jan 2019 |
| Jicarilla Energy Co | New Mexico | 0 BBLs | 244,019 MCF | Jan 1993 - Dec 2018 |
| Jimmy P Dempsey | Louisiana | 4,214 BBLs | 78 MCF | Jan 1977 - Sep 2018 |
| John J. Welsh | Louisiana | 2,683 BBLs | 45,136 MCF | Nov 1988 - Sep 2018 |
| Jonah Energy LLC | Wyoming | 168,410 BBLs | 16,741,431 MCF | Jan 2014 - Dec 2019 |
| JP Oil Wyoming LLC | Wyoming | 3,065 BBLs | 6,413 MCF | Jan 2018 - Dec 2019 |
| Juniper Resources Exploration Company, LLC | New Mexico | 3,771 BBLs | 62,899 MCF | Mar 2017 - Dec 2018 |
| Justiss Oil Company, Inc. | Louisiana | 5,364 BBLs | 69,987 MCF | Mar 1981 - Sep 2018 |