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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Howell Oil Company, Inc. | Kansas | 2,281 BBLs | 0 MCF | Jul 1985 - Sep 2025 |
| Hughes Eastern Corporation | Alabama | 2,096 BBLs | 6,946 MCF | Sep 1977 - Oct 2025 |
| Hunt Oil Company | North Dakota | 453,435 BBLs | 378,688 MCF | Aug 1956 - Nov 2025 |
| Huntington Energy LLC | Wyoming | 2,452 BBLs | 1,755 MCF | Dec 2006 - Nov 2025 |
| Huntington Energy, LLC | New Mexico | 0 BBLs | 38,641 MCF | Apr 2003 - Nov 2025 |
| Hyperion Oil & Gas LLC | Wyoming | 6,099 BBLs | 26,151 MCF | Feb 2010 - Oct 2025 |
| Ia Operating, Inc. | Kansas | 6,663 BBLs | 0 MCF | Apr 1997 - Sep 2025 |
| Impact Energy Operating LLC | Wyoming | 20,259 BBLs | 0 MCF | Aug 2022 - Oct 2025 |
| Impact Exploration & Production LLC | Wyoming | 121,254 BBLs | 277,440 MCF | Apr 2018 - Oct 2025 |
| Impetro Resources LLC | Colorado | 17,299 BBLs | 477 MCF | Jan 1999 - Oct 2025 |
| Indian Exploration, Inc. | Louisiana | 1,621 BBLs | 0 MCF | Feb 1992 - Jan 2025 |
| Indian Oil Co., Inc. | Kansas | 5,420 BBLs | 31,922 MCF | Jan 1980 - Sep 2025 |
| Investment Equipment LLC | Colorado | 1,442 BBLs | 295 MCF | Jan 1999 - Oct 2025 |
| Iron Oil Operating, LLC | North Dakota | 17,770 BBLs | 4,107 MCF | Jun 2017 - Nov 2025 |
| J R Oil, LTD. Co. | New Mexico | 17,776 BBLs | 137,352 MCF | Dec 2007 - Nov 2025 |
| J-V Oil, LLC | Kansas | 1,888 BBLs | 1,114 MCF | Jan 1980 - Sep 2025 |
| J. P. Van Way | Louisiana | 10,876 BBLs | 20,979 MCF | Jul 1981 - Dec 2024 |
| J. R. Pounds, Inc. | Mississippi | 2,016 BBLs | 145 MCF | Nov 1976 - Oct 2025 |
| Jabsco Oil Operating, LLC | Alabama | 558 BBLs | 41,787 MCF | Feb 1977 - Sep 2025 |
| Jack L. Phillips Co. | Mississippi | 3,534 BBLs | 963 MCF | Dec 1976 - Oct 2025 |
| James Drilling Co., Inc. | Louisiana | 3,109 BBLs | 0 MCF | Oct 1986 - Dec 2024 |
| James P. Williams Enterprises, Inc. | Kansas | 2,129 BBLs | 0 MCF | Feb 2010 - Sep 2025 |
| Jason Oil Company, LLC | Kansas | 6,679 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Jaspar Co. | Kansas | 5,297 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Jay Management Company, LLC | New Mexico | 816 BBLs | 10,752 MCF | Mar 2007 - Nov 2025 |
| Jettison, Inc. | North Dakota | 1,116 BBLs | 1,562 MCF | Jul 2002 - Nov 2025 |
| Jimmy P Dempsey | Louisiana | 3,436 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Jody Oil & Gas Corporation | Kansas | 933 BBLs | 21,372 MCF | Jan 1980 - Sep 2025 |
| Joe Gerstner Oil, LLC | Kansas | 1,447 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| John J. Welsh | Louisiana | 2,799 BBLs | 38,045 MCF | Dec 1988 - Dec 2024 |
| Jonah Energy LLC | New Mexico | 339,379 BBLs | 3,771,966 MCF | Feb 2025 - Nov 2025 |
| Jonah Energy LLC | Wyoming | 81,679 BBLs | 9,556,095 MCF | Jun 2014 - Oct 2025 |
| Jones & Buck Development, LLC | Kansas | 3,837 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Jones Oil Exploration, LLC | Kansas | 1,451 BBLs | 0 MCF | Jan 2010 - Sep 2025 |
| Jordan Development Company LLC | Michigan | 3,582 BBLs | 174,631 MCF | Feb 1982 - Oct 2025 |
| Jordan Oil Management Inc. | Kansas | 2,416 BBLs | 1,631 MCF | Jan 1980 - Sep 2025 |
| JP Oil Wyoming LLC | Wyoming | 4,089 BBLs | 9,927 MCF | Jan 1993 - Nov 2025 |
| JSB, LLC | Louisiana | 3,742 BBLs | 0 MCF | Mar 2000 - Dec 2024 |
| JTC Oil, Inc. | Kansas | 1,448 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Justiss Oil Company, Inc. | Louisiana | 5,227 BBLs | 24,749 MCF | Mar 1981 - Dec 2024 |
| K & N Petroleum, Inc. | Kansas | 4,773 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| K P Kauffman Company Inc | Colorado | 9,322 BBLs | 66,802 MCF | Jan 1999 - Oct 2025 |
| K&M Resources LLC | New Mexico | 2,331 BBLs | 616 MCF | Apr 2021 - Nov 2025 |
| K-Bar Oil LLC | Kansas | 1,861 BBLs | 0 MCF | Jan 2010 - Sep 2025 |
| Kahan And Associates, Inc | Kansas | 6,710 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Kaiser Francis Oil Co | Wyoming | 4,023 BBLs | 63,317 MCF | Jan 1983 - Oct 2025 |
| Kaiser-Francis Oil Co | New Mexico | 858,323 BBLs | 5,358,026 MCF | Jan 1993 - Nov 2025 |
| Kaiser-Francis Oil Company | Louisiana | 702 BBLs | 6,772 MCF | Aug 1981 - Dec 2024 |
| Kansas Energy Company, L.L.C. | Kansas | 1,505 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Kansas Natural Gas Operating, LC | Kansas | 0 BBLs | 104,778 MCF | Jan 2010 - Sep 2025 |