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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| McLain J. Forman | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Mar 1988 |
| McLaurin Oil Co. | Louisiana | 454 BBLs | 0 MCF | May 1996 - Jul 2024 |
| McLean Properties, LTD | Louisiana | 0 BBLs | 0 MCF | Oct 1994 - Jan 1998 |
| McLeod Gas Gath & Proc Co. L.L.C. | Louisiana | 0 BBLs | 0 MCF | Feb 1999 - Jul 2012 |
| McMoran Exploration Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - May 1985 |
| McMoran Oil & Gas LLC | Louisiana | 0 BBLs | 0 MCF | Aug 2005 - Oct 2021 |
| McMoran Production Co. | Louisiana | 0 BBLs | 0 MCF | Jun 1981 - May 1985 |
| McMoran-Transco | Louisiana | 0 BBLs | 0 MCF | Jul 1977 - Aug 1979 |
| McMullan Oil Company, Inc. | Louisiana | 0 BBLs | 0 MCF | Dec 1990 - May 2023 |
| McOr Oil & Gas Corporation | Louisiana | 0 BBLs | 0 MCF | Jan 1982 - Jan 1990 |
| McOr Oil Development, Inc. | Louisiana | 0 BBLs | 0 MCF | Jul 1981 - Feb 1990 |
| McRae Expl.-Gravel & Troegel | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 1978 |
| McRae Exploration & Production, Inc. | Louisiana | 0 BBLs | 0 MCF | May 1995 - Feb 2017 |
| McRae Exploration, Inc. | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Mar 1984 |
| McRae Exploration, Inc. & Epm | Louisiana | 0 BBLs | 0 MCF | Sep 1977 - Mar 1978 |
| McRae Exploration, Inc. & Herd | Louisiana | 0 BBLs | 0 MCF | Mar 1977 - Mar 1984 |
| McRae Exploration,Inc & Bec | Louisiana | 0 BBLs | 0 MCF | Apr 1978 - Feb 1984 |
| McRae Oil Corporation | Louisiana | 0 BBLs | 0 MCF | Dec 1980 - Mar 1984 |
| MCZ Inc&Barton Oil&Gas Co Inc | Louisiana | 0 BBLs | 0 MCF | Jul 1983 - Dec 1983 |
| MCZ Oil Co, Inc. | Louisiana | 0 BBLs | 0 MCF | May 1991 - Feb 1994 |
| MCZ, Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 1980 - Sep 1990 |
| Meason Operating Co. | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 2011 |
| Mec-Goodrich Oil Co. | Louisiana | 0 BBLs | 0 MCF | Mar 1981 - Feb 1985 |
| Mecca Petr. & Expl. Co., Inc. | Louisiana | 0 BBLs | 0 MCF | Jun 1986 - Aug 1990 |
| Medallion Petroleum, Inc. | Louisiana | 0 BBLs | 0 MCF | Dec 1990 - Sep 2006 |
| Medallion Production Company | Louisiana | 0 BBLs | 0 MCF | Apr 1992 - Jul 1996 |
| Medco Energi Us LLC | Louisiana | 0 BBLs | 0 MCF | Mar 2006 - Mar 2007 |
| Medders Oil Company | Louisiana | 0 BBLs | 0 MCF | Nov 1979 - Oct 1993 |
| Mega Drilling Company | Louisiana | 0 BBLs | 0 MCF | Sep 1980 - Feb 1984 |
| Mejey Energy, LLC | Louisiana | 0 BBLs | 0 MCF | Jun 2012 - Aug 2012 |
| Melren Oil & Gas Expl., Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 1982 - Dec 1989 |
| Melvin D. Underwood | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Oct 1985 |
| Memaca Petroleum Corporation | Louisiana | 0 BBLs | 0 MCF | Oct 1977 - Jan 1990 |
| Memco Exploration & Production, LLC | Louisiana | 0 BBLs | 0 MCF | Aug 2014 - Aug 2019 |
| Memorial Exploration Company | Louisiana | 0 BBLs | 0 MCF | Mar 1988 - Aug 1996 |
| Memorial Production Operating LLC | Louisiana | 0 BBLs | 0 MCF | Jun 2013 - May 2017 |
| Meng Managment, LTD. | Louisiana | 0 BBLs | 0 MCF | Feb 1992 - Jul 1993 |
| Meng Oper. & Expl. Co. | Louisiana | 0 BBLs | 0 MCF | Mar 1977 - Dec 1989 |
| Menoah Petroleum Inc | Louisiana | 171 BBLs | 0 MCF | Aug 1987 - Jun 2024 |
| Meridian Oil Inc. | Louisiana | 0 BBLs | 0 MCF | Aug 1985 - Aug 1996 |
| Meridian Oil Offshore Inc. | Louisiana | 0 BBLs | 0 MCF | Oct 1994 - Aug 1996 |
| Meridian Resources (USA) Inc. | Louisiana | 0 BBLs | 0 MCF | Jul 2008 - Jul 2023 |
| Merit Energy Company | Louisiana | 0 BBLs | 0 MCF | Sep 1996 - Jul 2015 |
| Merit Gas & Oil Co., Inc. | Louisiana | 0 BBLs | 0 MCF | Mar 1981 - Dec 1982 |
| Merit Productions, Inc. | Louisiana | 0 BBLs | 0 MCF | Jan 1983 - Dec 1985 |
| Merl Wiggins Et Al | Louisiana | 0 BBLs | 0 MCF | May 1977 - Sep 1996 |
| Merlin J Verret | Louisiana | 0 BBLs | 0 MCF | Feb 1985 - Jun 1986 |
| Mermentau Gathering,Inc. (Mgi) | Louisiana | 0 BBLs | 0 MCF | Jan 1988 - Mar 1996 |
| Merrico Resources, Inc. | Louisiana | 0 BBLs | 0 MCF | Aug 1985 - Jun 1995 |
| Merritt Operating, Inc. | Louisiana | 699 BBLs | 0 MCF | May 1996 - Jun 2024 |