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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 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 | 2,720 BBLs | 3,119 MCF | Dec 2023 - Feb 2025 |
| 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 | 75,357 BBLs | 9,369,086 MCF | Jun 2014 - Jan 2025 |
| JP Oil Wyoming LLC | Wyoming | 4,005 BBLs | 8,374 MCF | Jan 1993 - Feb 2025 |
| JT Operating LLC | Wyoming | 218 BBLs | 17 MCF | Feb 2008 - Mar 2025 |
| 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 | 65 BBLs | 0 MCF | Jan 1978 - Feb 2025 |
| Juniper Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Aug 1983 |
| Justice Oil & Gas LLC | Wyoming | 227 BBLs | 0 MCF | May 1996 - Feb 2025 |
| 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 | 1,913 BBLs | 51,318 MCF | Jan 1983 - Feb 2025 |
| 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 |
| Katherman Vance E | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 2004 |
| Kauffman K P Company Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1988 - Mar 1996 |
| KC Oil | Wyoming | 0 BBLs | 0 MCF | Feb 1996 - Sep 1999 |
| KC Resources Inc | Wyoming | 0 BBLs | 0 MCF | Oct 1995 - Dec 2006 |
| KC Well Service | Wyoming | 0 BBLs | 2,186 MCF | Apr 2022 - Jan 2025 |
| KCS Medallion Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1995 - Mar 1999 |
| KCS Mountain Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1995 - Nov 2006 |
| Keas Production Company LLC | Wyoming | 224 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| Keba Energy LLC | Wyoming | 0 BBLs | 0 MCF | Nov 2009 - Nov 2014 |
| Kedco Management Corp | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1981 |
| Keith Walker O & G Co LLC | Wyoming | 97 BBLs | 0 MCF | Jul 1999 - Jan 2025 |