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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Infinity Oil, Inc. | Kansas | 1,191 BBLs | 0 MCF | Feb 2012 - Mar 2026 |
| Investment Equipment LLC | Colorado | 1,551 BBLs | 295 MCF | Jan 1999 - May 2026 |
| Iron Oil Operating, LLC | North Dakota | 23,133 BBLs | 7,603 MCF | Jun 2017 - May 2026 |
| J R Oil, LTD. Co. | New Mexico | 16,098 BBLs | 81,253 MCF | Dec 2007 - May 2026 |
| J-V Oil, LLC | Kansas | 1,905 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| J. P. Van Way | Louisiana | 10,876 BBLs | 20,979 MCF | Jul 1981 - Dec 2024 |
| J. R. Pounds, Inc. | Mississippi | 2,656 BBLs | 155 MCF | Nov 1976 - Apr 2026 |
| Jabsco Oil Operating, LLC | Alabama | 274 BBLs | 39,099 MCF | Feb 1977 - Feb 2026 |
| Jack L. Phillips Co. | Mississippi | 1,786 BBLs | 496 MCF | Dec 1976 - May 2026 |
| James Drilling Co., Inc. | Louisiana | 3,109 BBLs | 0 MCF | Oct 1986 - Dec 2024 |
| James P. Williams Enterprises, Inc. | Kansas | 1,371 BBLs | 0 MCF | Feb 2010 - Mar 2026 |
| Jason Oil Company, LLC | Kansas | 5,768 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Jaspar Co. | Kansas | 5,012 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Jeems Bayou Production Corp. | Louisiana | 683 BBLs | 5,834 MCF | Jan 1977 - Dec 2024 |
| Jel Resources, LLC | Kansas | 1,111 BBLs | 7,242 MCF | Feb 2018 - Mar 2026 |
| Jettison, Inc. | North Dakota | 1,909 BBLs | 2,359 MCF | Jul 2002 - Jun 2026 |
| Jimmy P Dempsey | Louisiana | 3,436 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Joe Gerstner Oil, LLC | Kansas | 1,600 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Joemar Wyoming Operating LLC | Wyoming | 3,795 BBLs | 2,791 MCF | Dec 2023 - May 2026 |
| John J. Welsh | Louisiana | 2,799 BBLs | 38,045 MCF | Dec 1988 - Dec 2024 |
| John Roy Evans Oil Company LLC | Kansas | 1,820 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Jonah Energy LLC | New Mexico | 267,276 BBLs | 2,779,580 MCF | Mar 2025 - May 2026 |
| Jones & Buck Development, LLC | Kansas | 3,088 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Jones Oil Exploration, LLC | Kansas | 1,599 BBLs | 0 MCF | Jan 2010 - Mar 2026 |
| Jones Oil, LLC | Kansas | 1,121 BBLs | 639 MCF | Jan 1980 - Mar 2026 |
| Jordan Development Company LLC | Michigan | 3,294 BBLs | 165,850 MCF | Feb 1982 - Apr 2026 |
| Jordan Oil Management Inc. | Kansas | 2,178 BBLs | 1,381 MCF | Jan 1980 - Mar 2026 |
| JP Oil Wyoming LLC | Wyoming | 4,469 BBLs | 11,217 MCF | Jan 1993 - May 2026 |
| JSB, LLC | Louisiana | 3,742 BBLs | 0 MCF | Mar 2000 - Dec 2024 |
| JTC Oil, Inc. | Kansas | 1,244 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Justin Energy Corporation | Kansas | 936 BBLs | 0 MCF | Mar 2010 - Mar 2026 |
| Justiss Oil Company, Inc. | Louisiana | 5,227 BBLs | 24,749 MCF | Mar 1981 - Dec 2024 |
| K & N Petroleum, Inc. | Kansas | 4,732 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| K P Kauffman Company Inc | New Mexico | 918 BBLs | 61 MCF | Oct 2004 - May 2026 |
| K Wilson Enterprises Inc. | Louisiana | 857 BBLs | 0 MCF | Dec 1997 - Jan 2025 |
| K&M Resources LLC | New Mexico | 1,957 BBLs | 440 MCF | Apr 2021 - May 2026 |
| K-Bar Oil LLC | Kansas | 2,398 BBLs | 0 MCF | Jan 2010 - Mar 2026 |
| Kahan And Associates, Inc | Kansas | 6,728 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Kaiser Francis Oil Co | Wyoming | 1,759 BBLs | 59,508 MCF | Jan 1983 - May 2026 |
| Kaiser-Francis Oil Co | New Mexico | 625,890 BBLs | 4,456,812 MCF | Jan 1993 - May 2026 |
| Kaiser-Francis Oil Company | Louisiana | 702 BBLs | 6,772 MCF | Aug 1981 - Dec 2024 |
| Kansas Crude Investments LLC | Kansas | 2,039 BBLs | 0 MCF | Jan 2010 - Mar 2026 |
| Kansas Energy Company, L.L.C. | Kansas | 1,240 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Kansas Natural Gas Operating, LC | Kansas | 0 BBLs | 92,704 MCF | Jan 2010 - Mar 2026 |
| Kantor Oil Company, LLC | Kansas | 2,216 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Kelly Bayou Production | Louisiana | 2,038 BBLs | 0 MCF | Sep 1999 - Jan 2025 |
| Kennedy Oil | Wyoming | 3,517 BBLs | 25,027 MCF | Apr 1984 - May 2026 |
| Kentex Worland Operating Co LLC | Wyoming | 2,861 BBLs | 146,262 MCF | Oct 2025 - May 2026 |
| Kerr McGee Oil & Gas Onshore LP | Colorado | 2,723,198 BBLs | 25,852,041 MCF | Jan 1999 - May 2026 |
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 2,449 BBLs | 9,477 MCF | Mar 1994 - May 2026 |