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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| J K Minerals Inc | Wyoming | 0 BBLs | 0 MCF | Sep 2001 - Jun 2008 |
| J L B Operating | Wyoming | 0 BBLs | 0 MCF | Aug 1987 - Feb 1988 |
| J-Bird Well Service Incorporated | Wyoming | 277 BBLs | 0 MCF | Dec 2016 - Aug 2026 |
| J-W Operating Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Jul 2012 |
| Jade Oil Company | Wyoming | 0 BBLs | 0 MCF | May 1985 - Dec 1986 |
| Jade Resources Inc | Wyoming | 0 BBLs | 0 MCF | Nov 1989 - Sep 1991 |
| Jay Management Company LLC | Wyoming | 0 BBLs | 0 MCF | Aug 1997 - Dec 1999 |
| Jayne Morton Living Trust | Wyoming | 0 BBLs | 0 MCF | Apr 2013 - Jul 2023 |
| Jed Oil USA Inc | Wyoming | 0 BBLs | 0 MCF | Sep 2006 - Dec 2008 |
| Jellco LLC | Wyoming | 71 BBLs | 0 MCF | Jul 2016 - Aug 2026 |
| Jenex Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Mar 1990 - Jan 1993 |
| Jenkins Bryce | Wyoming | 0 BBLs | 0 MCF | Sep 1996 - May 2012 |
| Jenkins Lamar | Wyoming | 0 BBLs | 0 MCF | Sep 1995 - Aug 1996 |
| Jericho Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1982 - Dec 1985 |
| Jetta Operating Company Inc | Wyoming | 0 BBLs | 0 MCF | Jul 1998 - Oct 2011 |
| Jigco Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1990 - Jun 1998 |
| Jims Water Service Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 2016 |
| JM Cox Resources LP | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Jan 2000 |
| JMG Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Jan 2006 - Dec 2007 |
| JN Exploration & Production | Wyoming | 0 BBLs | 0 MCF | Oct 1988 - Apr 2001 |
| JNB Exploration Co | Wyoming | 0 BBLs | 0 MCF | Jul 1984 - Mar 1986 |
| Joe Scott Enterprises Inc | Wyoming | 0 BBLs | 0 MCF | Mar 2007 - Mar 2015 |
| Joemar Wyoming Operating LLC | Wyoming | 2,679 BBLs | 2,699 MCF | Dec 2023 - Jul 2026 |
| Jogruss Oil Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Jul 1991 |
| Johnson D E A Inc | Wyoming | 0 BBLs | 0 MCF | Aug 1982 - Sep 1994 |
| Johnson L Keith | Wyoming | 0 BBLs | 0 MCF | Jan 1992 - Aug 2001 |
| Jonah Energy Company LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2002 - Apr 2003 |
| Jonah Energy LLC | Wyoming | 82,567 BBLs | 10,053,618 MCF | Jun 2014 - Jul 2026 |
| JP Oil Wyoming LLC | Wyoming | 3,956 BBLs | 10,328 MCF | Jan 1993 - Aug 2026 |
| JT Operating LLC | Wyoming | 0 BBLs | 0 MCF | Feb 2008 - Aug 2026 |
| Julander Energy Company | Wyoming | 0 BBLs | 0 MCF | Feb 2010 - Apr 2016 |
| Julius Roy D & Wilma | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Dec 2014 |
| Julius Roy G | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Aug 2026 |
| Juniper Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Aug 1983 |
| Justice Oil & Gas LLC | Wyoming | 170 BBLs | 0 MCF | May 1996 - Aug 2026 |
| Jva Operating Company | Wyoming | 0 BBLs | 0 MCF | May 1987 - Jul 1988 |
| K & W Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - May 2007 |
| K B Company | Wyoming | 0 BBLs | 0 MCF | Aug 1992 - Apr 1994 |
| K N Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 1993 |
| Kachina Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Aug 1992 - Jul 2000 |
| Kaiser Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Dec 1987 |
| Kaiser Francis Oil Co | Wyoming | 1,227 BBLs | 52,507 MCF | Jan 1983 - Jul 2026 |
| Kamco Limited | Wyoming | 0 BBLs | 0 MCF | Nov 1992 - Sep 2016 |
| Kaneb Oil & Gas | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 1987 |
| Kanowa Petroleum | Wyoming | 0 BBLs | 0 MCF | Jan 1991 - Jun 1997 |
| Kant Walter F | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 2002 |
| Kara Enterprises Inc | Wyoming | 0 BBLs | 0 MCF | Feb 1991 - Jul 2013 |
| Karlton Terry Oil Company | Wyoming | 0 BBLs | 0 MCF | Jun 1984 - Jan 1991 |
| Kase Energy LLC | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Aug 2006 |
| Katana Resources Inc | Wyoming | 0 BBLs | 0 MCF | Feb 1982 - Feb 2007 |