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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Longview Production Company | Arkansas | 801 BBLs | 19,745 MCF | Jan 2001 - Jul 2024 |
| Louisiana Jordan Oil Company, Inc. | Louisiana | 2,252 BBLs | 0 MCF | Jan 2013 - Jun 2024 |
| Luff Exploration Company | North Dakota | 9,256 BBLs | 7,668 MCF | Dec 1996 - Aug 2024 |
| Lynx Operating Co., Inc. | New Mexico | 2,320 BBLs | 2,471 MCF | Jan 1999 - Aug 2024 |
| M & G DRLG Co Inc | New Mexico | 0 BBLs | 59,236 MCF | May 1995 - Aug 2024 |
| M & K Oil Company LLC | Wyoming | 25,850 BBLs | 96,309 MCF | Jan 1978 - Aug 2024 |
| M & M Exploration, Inc. | Kansas | 1,540 BBLs | 16,729 MCF | Mar 2002 - Jun 2024 |
| M & M Oil Company, L.L.C. | Louisiana | 2,799 BBLs | 0 MCF | Aug 1994 - Jul 2024 |
| M G Oil Inc | Kansas | 7,818 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Mack Energy Corp | New Mexico | 183,480 BBLs | 417,627 MCF | Jan 1993 - Aug 2024 |
| Magna Operating, LLC | Louisiana | 4,185 BBLs | 3,731 MCF | Sep 2010 - Jun 2024 |
| Magnum Producing, L.P. | Louisiana | 3,615 BBLs | 0 MCF | Feb 2004 - Jul 2024 |
| Magpie Operating, Inc | Colorado | 31,283 BBLs | 97,856 MCF | Jan 1999 - Jul 2024 |
| Mai Oil Operations, Inc. | Kansas | 56,266 BBLs | 363 MCF | Jan 1980 - Jun 2024 |
| Mantle Oil & Gas, LLC | Louisiana | 3,306 BBLs | 15,160 MCF | Jan 2009 - Jun 2024 |
| Manzanita Operating, LLC | New Mexico | 6,802 BBLs | 0 MCF | Apr 2022 - Jul 2024 |
| Manzano LLC | New Mexico | 12,333 BBLs | 20,617 MCF | Mar 2005 - Jul 2024 |
| Mar-Lou Oil Co., LLC | Kansas | 2,209 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Maralex Resources, Inc | Colorado | 0 BBLs | 147,055 MCF | Jan 1999 - Jul 2024 |
| Marathon Oil Company | North Dakota | 3,149,491 BBLs | 6,572,087 MCF | Jul 1979 - Aug 2024 |
| Marathon Oil Permian LLC | New Mexico | 1,292,767 BBLs | 4,301,562 MCF | Jul 2017 - Aug 2024 |
| Marlin Exploration, LLC | Louisiana | 2,900 BBLs | 992 MCF | Mar 2015 - Jul 2024 |
| Marlin Operating, LLC | New Mexico | 10,960 BBLs | 31,942 MCF | Jan 2022 - Jul 2024 |
| Marlin Resources, L.L.C. | Louisiana | 2,514 BBLs | 0 MCF | Apr 2008 - Jul 2024 |
| Marquee Corporation | Louisiana | 1,546 BBLs | 328 MCF | Jun 1990 - Jun 2024 |
| Marshall & Winston Inc | New Mexico | 52,740 BBLs | 117,006 MCF | Jan 1993 - Aug 2024 |
| Martin Production Company | Louisiana | 1,828 BBLs | 2,782 MCF | Jun 1996 - Jun 2024 |
| Matador Production Company | New Mexico | 3,500,742 BBLs | 14,333,446 MCF | Mar 2006 - Jul 2024 |
| Maverick Permian LLC | New Mexico | 134,259 BBLs | 1,114,541 MCF | Jul 2022 - Aug 2024 |
| Maxim Drilling & Expl Inc | Wyoming | 1,550 BBLs | 12,951 MCF | Jun 1982 - Aug 2024 |
| Maximus Operating LTD | Wyoming | 12,452 BBLs | 2,055 MCF | Jul 2014 - Aug 2024 |
| Maximus Operating, LTD. | Louisiana | 221 BBLs | 45,751 MCF | Jan 2006 - Jul 2024 |
| McCormick Production Company, Inc. | Louisiana | 4,100 BBLs | 0 MCF | Jan 2009 - Jun 2024 |
| McCoy Petroleum Corporation | Kansas | 16,923 BBLs | 20,620 MCF | Jan 1980 - Jun 2024 |
| McFadden Oil Co. | Kansas | 3,829 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| McGinness Energy Company, Inc. | Kansas | 2,072 BBLs | 21,497 MCF | Jan 2020 - Jun 2024 |
| McGowan Working Partners Inc. | Mississippi | 2,074 BBLs | 3,074 MCF | Dec 1976 - Jul 2024 |
| McGowan Working Partners, Inc. | Arkansas | 6,241 BBLs | 2,916 MCF | Jan 2001 - Jul 2024 |
| McGowan Working Partners, Inc. | Louisiana | 21,147 BBLs | 40,812 MCF | Jan 2001 - Jul 2024 |
| MDS Energy Development LLC | Colorado | 26,900 BBLs | 54,196 MCF | Nov 2022 - Jul 2024 |
| Me-Tex Oil & Gas Inc | New Mexico | 3,779 BBLs | 26,524 MCF | Jan 1993 - Aug 2024 |
| Medora Minerals, LLC | North Dakota | 5,523 BBLs | 106 MCF | Nov 2018 - Aug 2024 |
| Mercury Resources LLC | North Dakota | 5,914 BBLs | 10,273 MCF | Dec 2018 - Aug 2024 |
| Meridian Energy Inc. | Kansas | 4,612 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Merit Energy Company | Wyoming | 428,968 BBLs | 240,930 MCF | Jan 1981 - Aug 2024 |
| Merit Energy Company, LLC | Arkansas | 0 BBLs | 5,627,615 MCF | Aug 2003 - Jun 2024 |
| Merit Energy Company, LLC | Kansas | 160,127 BBLs | 1,880,275 MCF | Jan 1980 - Jun 2024 |
| Merrion Oil & Gas Corp | New Mexico | 901 BBLs | 106,494 MCF | Jan 1993 - Aug 2024 |
| Merrion Oil & Gas Corporation | Wyoming | 1,579 BBLs | 25,134 MCF | Jan 1978 - Aug 2024 |
| Messenger Petroleum, Inc. | Kansas | 1,506 BBLs | 29,778 MCF | Jan 1980 - Jun 2024 |