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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Hess Oil Company | Kansas | 8,530 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Highmark Energy Operating, LLC | Louisiana | 713 BBLs | 117,111 MCF | Jun 2014 - Aug 2018 |
| Highpoint Energy LLC | Colorado | 12,987 BBLs | 1,850 MCF | Jan 2015 - Aug 2018 |
| Hilcorp Alaska LLC | Alaska | 1,513,385 BBLs | 32,945,216 MCF | Nov 2011 - Sep 2018 |
| Hilcorp Energy Company | Colorado | 62 BBLs | 2,652,378 MCF | Dec 2005 - Sep 2018 |
| Hilcorp Energy Company | Louisiana | 554,174 BBLs | 3,611,392 MCF | Oct 1990 - Sep 2018 |
| Hilcorp Energy Company | New Mexico | 7,770 BBLs | 27,947,698 MCF | Aug 2017 - Aug 2018 |
| Hilcorp Energy Company | Wyoming | 31,966 BBLs | 3,553,907 MCF | Jan 1978 - Dec 2018 |
| Hilcorp Energy Company, Inc. | Alabama | 33,967 BBLs | 213,463 MCF | Oct 1976 - Aug 2018 |
| Hillenburg Oil Co., A General Partnership | Kansas | 3,049 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Hogback Exploration, Inc. | Arkansas | 0 BBLs | 96,340 MCF | Jan 2001 - Aug 2018 |
| HRM Resources III LLC | Wyoming | 2,437 BBLs | 552,758 MCF | Jan 2017 - Dec 2018 |
| Hudson Group LLC | Wyoming | 2,960 BBLs | 305 MCF | Jan 1978 - Dec 2018 |
| Hudson Oil Company Of Texas | New Mexico | 3,231 BBLs | 9,419 MCF | Jan 1993 - Aug 2018 |
| Hughes Eastern Corporation | Alabama | 4,172 BBLs | 10,528 MCF | Sep 1977 - Aug 2018 |
| Hughes Eastern Corporation | Louisiana | 2,806 BBLs | 1,588 MCF | May 1986 - Sep 2018 |
| Hummon Corporation | Kansas | 2,641 BBLs | 10,118 MCF | Jan 1980 - Jul 2018 |
| Hunt Oil Company | North Dakota | 196,664 BBLs | 186,856 MCF | Aug 1956 - Sep 2018 |
| Huntington Energy LLC | Wyoming | 6,128 BBLs | 3,984 MCF | Jan 1980 - Dec 2018 |
| Huntington Energy, LLC | New Mexico | 2,361 BBLs | 102,419 MCF | Apr 2003 - Aug 2018 |
| Hyperion Oil & Gas LLC | Wyoming | 10,307 BBLs | 112,773 MCF | Jan 1979 - Dec 2018 |
| Ia Operating, Inc. | Kansas | 6,518 BBLs | 0 MCF | Apr 1997 - Jul 2018 |
| Impact Exploration & Production LLC | Wyoming | 34,922 BBLs | 160,893 MCF | Jan 2017 - Dec 2018 |
| Impetro Operating LLC | New Mexico | 33,979 BBLs | 103,675 MCF | Jul 2018 - Sep 2018 |
| Incremental Oil & Gas USA Holdings Inc | Wyoming | 2,792 BBLs | 41,070 MCF | Jan 2015 - Dec 2018 |
| Indian Exploration, Inc. | Louisiana | 9,692 BBLs | 35 MCF | Feb 1992 - Oct 2018 |
| Indian Oil Co., Inc. | Kansas | 5,033 BBLs | 77,904 MCF | Jan 1980 - Jul 2018 |
| Indigo Minerals LLC | Louisiana | 13,211 BBLs | 16,714,444 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 | 3,741 BBLs | 4,206 MCF | Apr 2010 - Oct 2018 |
| Iron Oil Operating, LLC | North Dakota | 25,643 BBLs | 49,896 MCF | Jun 2017 - Sep 2018 |
| J P Oil Company Inc | Wyoming | 2,825 BBLs | 4,366 MCF | Jan 1978 - 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 | 5,672 BBLs | 9,868 MCF | Jan 2018 - Sep 2018 |
| Jabsco Oil Operating, LLC | Alabama | 970 BBLs | 51,278 MCF | Feb 1977 - Aug 2018 |
| Jack L. Phillips | Mississippi | 6,707 BBLs | 1,930 MCF | Jan 2018 - Sep 2018 |
| 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 | 3,095 BBLs | 0 MCF | Apr 2002 - Sep 2018 |
| Jason Oil Company, LLC | Kansas | 9,384 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Jimmy P Dempsey | Louisiana | 4,214 BBLs | 78 MCF | Jan 1977 - Sep 2018 |
| John H Hendrix Corp | New Mexico | 13,726 BBLs | 328,065 MCF | Jan 1993 - Sep 2018 |
| John J. Welsh | Louisiana | 2,683 BBLs | 45,136 MCF | Nov 1988 - Sep 2018 |
| Jonah Energy LLC | Wyoming | 160,303 BBLs | 16,842,446 MCF | Jan 2014 - Dec 2018 |
| Jordan Development Company LLC | Michigan | 2,490 BBLs | 272,541 MCF | Jan 1986 - Mar 2018 |
| Juniper Resources Exploration Company, LLC | New Mexico | 2,276 BBLs | 55,580 MCF | Mar 2017 - Aug 2018 |
| Justiss Oil Company, Inc. | Louisiana | 5,364 BBLs | 69,987 MCF | Mar 1981 - Sep 2018 |
| K & N Petroleum, Inc. | Kansas | 5,118 BBLs | 0 MCF | Jan 1980 - Jul 2018 |