COUNTIES · SCHLEICHER · OPERATORS
Schleicher County Operators
Every operator with a permit on file or a well of record here, ranked by permits issued in the window. Wells are each operator's current inventory in the county from the RRC wellbore file.
| # | Operator | Permits | All time | Horizontal | Wells | First | Last |
|---|---|---|---|---|---|---|---|
| 1 | Highmount Expl & Prod Texas LLC | 325 | 325 | 34 | 18 | Dec 11, 2007 | May 20, 2014 |
| 2 | Discovery Operating, Inc. | 117 | 117 | 0 | 98 | Dec 15, 1977 | Jun 5, 2025 |
| 3 | Dominion Oklahoma Texas E&P, Inc | 108 | 108 | 0 | 4 | Jul 29, 2003 | Nov 26, 2007 |
| 4 | Questa Oil & Gas Co. | 92 | 92 | 0 | 19 | Dec 31, 1981 | Aug 13, 2001 |
| 5 | Caraway Operating Co. | 90 | 90 | 0 | 32 | Oct 26, 1979 | Nov 25, 2003 |
| 6 | Approach Operating LLC | 87 | 87 | 2 | 14 | Apr 5, 2005 | May 26, 2015 |
| 7 | TXP, Incorporated | 82 | 82 | 0 | 67 | Jan 3, 1997 | Feb 20, 2026 |
| 8 | Dreyfus, Louis Natural Gas Corp | 78 | 78 | 0 | 2 | Nov 3, 1993 | Apr 26, 2001 |
| 9 | Telesis Operating Co., Inc. | 70 | 70 | 0 | 4 | Jan 13, 2004 | Feb 8, 2013 |
| 10 | Indian Wells Oil Company | 56 | 56 | 0 | 21 | Sep 17, 1980 | Feb 16, 1988 |
| 11 | Pogo Producing Company | 54 | 54 | 0 | 4 | Jan 23, 2004 | Feb 2, 2007 |
| 12 | Tucker Drilling Company, Inc. | 51 | 51 | 0 | 32 | Jun 6, 1977 | Oct 20, 1993 |
| 13 | Brown, Tom Inc. | 47 | 47 | 0 | 3 | Sep 19, 1977 | Oct 5, 1992 |
| 14 | Boaz Energy II Operating, LLC | 45 | 45 | 0 | 63 | Jun 9, 2014 | Jul 23, 2024 |
| 15 | Texaco E & P Inc. | 44 | 44 | 0 | 6 | Aug 3, 1992 | Oct 25, 2001 |
| 16 | Thompson, J. Cleo | 38 | 38 | 0 | 3 | Sep 14, 1977 | May 11, 2006 |
| 17 | Jay-BO, Inc. | 36 | 36 | 0 | 0 | Jun 17, 1977 | Feb 9, 1978 |
| 18 | Fortune Production Co. | 33 | 33 | 0 | 17 | Jun 30, 1980 | Sep 24, 2008 |
| 19 | Unit Petroleum Company | 27 | 27 | 0 | 6 | Oct 29, 1991 | Apr 6, 2009 |
| 20 | Transcontinental Oil Corporation | 27 | 27 | 0 | 3 | Sep 19, 1979 | Nov 30, 1982 |
| 21 | HNG Oil Company | 26 | 26 | 0 | 3 | Nov 23, 1977 | Dec 18, 1980 |
| 22 | Exxon Corp. | 24 | 24 | 0 | 6 | Apr 4, 1980 | Jan 10, 1986 |
| 23 | Ricks Exploration, Inc. | 23 | 23 | 0 | 1 | Dec 21, 1992 | Nov 26, 2001 |
| 24 | Remuda Operating Company | 20 | 20 | 0 | 8 | Nov 30, 1982 | Jun 6, 1995 |
| 25 | Anderson, James K. Inc. | 20 | 20 | 0 | 5 | Jul 27, 1981 | Mar 14, 2001 |
| 26 | Statex Petroleum Inc. | 19 | 19 | 0 | 0 | May 17, 1984 | May 2, 1991 |
| 27 | Meador, T. C. | 18 | 18 | 0 | 27 | Sep 15, 1977 | Dec 28, 1982 |
| 28 | Swift Energy Company | 18 | 18 | 0 | 4 | Nov 15, 1988 | Jun 26, 1995 |
| 29 | Summit Petroleum LLC | 18 | 18 | 3 | 0 | May 17, 2013 | Jun 23, 2015 |
| 30 | Swartz Oil Company | 17 | 17 | 0 | 9 | Feb 17, 1998 | Oct 2, 2014 |
| 31 | Cabana Oil Corp. | 15 | 15 | 0 | 7 | Sep 26, 1977 | Jun 27, 1985 |
| 32 | Capitol Well Servicing Co., Inc. | 15 | 15 | 0 | 5 | Aug 9, 2005 | Dec 16, 2010 |
| 33 | Paint Rock Operating, LLC | 14 | 14 | 0 | 1 | Dec 6, 2005 | Feb 10, 2011 |
| 34 | Sugarberry Oil & Gas Corporation | 14 | 14 | 0 | 0 | Mar 27, 1979 | Jul 23, 1984 |
| 35 | Brooks, E. B., Jr. | 13 | 13 | 0 | 5 | Dec 11, 1990 | May 18, 2000 |
| 36 | Seneca Petroleum, Inc. | 13 | 13 | 0 | 4 | Mar 2, 1979 | Nov 23, 1987 |
| 37 | Delta Drilling Co. | 13 | 13 | 0 | 1 | Jul 29, 1977 | May 2, 1980 |
| 38 | Harvard Petroleum Corporation | 13 | 13 | 0 | 1 | Dec 19, 1983 | Dec 20, 1985 |
| 39 | Chevron U. S. A. Inc. | 12 | 12 | 0 | 7 | Feb 24, 1981 | Aug 21, 2002 |
| 40 | Gulf Oil Corp. | 12 | 12 | 0 | 2 | Jun 6, 1977 | Mar 24, 1982 |
| 41 | Sharp Image Energy, Inc. | 12 | 12 | 0 | 2 | May 1, 1991 | May 9, 2013 |
| 42 | Lovelady, Ike Inc. | 12 | 12 | 0 | 1 | Aug 17, 1978 | Dec 7, 1981 |
| 43 | Regal Development Inc. | 12 | 12 | 0 | 1 | Jun 12, 1978 | Jan 12, 1987 |
| 44 | Samson Lone Star, LLC | 12 | 12 | 0 | 0 | Nov 13, 2009 | Jan 20, 2011 |
| 45 | Arco Oil & Gas Co. | 11 | 11 | 0 | 19 | Oct 3, 1979 | Jun 24, 1985 |
| 46 | Hannathon Petroleum, LLC | 11 | 11 | 0 | 5 | Jun 23, 2008 | Jun 20, 2012 |
| 47 | Parker & Parsley Development Co. | 11 | 11 | 0 | 4 | Apr 10, 1991 | Sep 12, 1994 |
| 48 | Staley Operating Co. | 11 | 11 | 0 | 1 | Feb 6, 1984 | Oct 14, 1986 |
| 49 | Union Pacific Resources Company | 11 | 11 | 2 | 1 | Mar 24, 1995 | Aug 4, 1997 |
| 50 | Anderson Petroleum, Inc. | 11 | 11 | 0 | 0 | Jun 23, 1981 | Nov 2, 1983 |
| 51 | Daesung Energy Resources Inc. | 11 | 11 | 0 | 0 | May 13, 2011 | Mar 6, 2014 |
| 52 | Florida Exploration Co. | 11 | 11 | 0 | 0 | Oct 14, 1981 | May 10, 1982 |
| 53 | Wedgco, Inc. | 11 | 11 | 0 | 0 | Jul 1, 1977 | Dec 29, 1977 |
| 54 | Parallel Petroleum Corporation | 10 | 10 | 4 | 16 | Aug 1, 1994 | Sep 23, 2002 |
| 55 | O'Neill Properties, Ltd. | 10 | 10 | 0 | 6 | Apr 21, 1993 | Apr 20, 2005 |
| 56 | Patton, Lloyd | 10 | 10 | 0 | 4 | Oct 27, 1977 | Apr 10, 1985 |
| 57 | SMC Oil & Gas, Inc. | 10 | 10 | 0 | 4 | May 11, 1992 | Nov 12, 2004 |
| 58 | Marathon Oil Company | 10 | 10 | 6 | 1 | Jul 28, 1980 | Aug 22, 1996 |
| 59 | Archer, A. R., Jr. | 10 | 10 | 0 | 0 | Dec 14, 1978 | Jul 13, 1983 |
| 60 | Meg Petroleum Corp. | 10 | 10 | 0 | 0 | Sep 9, 1980 | Jul 27, 1981 |
| 61 | Newhall Land & Farming Co., The | 10 | 10 | 0 | 0 | Jul 6, 1979 | Dec 2, 1982 |
| 62 | Ruwco Oil and Gas Corp. | 10 | 10 | 0 | 0 | Aug 6, 2003 | Jul 31, 2008 |
| 63 | Williams Oil Company | 9 | 9 | 0 | 18 | Feb 17, 1995 | Mar 6, 2013 |
| 64 | VX Operating, LLC | 9 | 9 | 0 | 7 | Apr 3, 2017 | Oct 20, 2025 |
| 65 | Grace Petroleum Corp. | 9 | 9 | 0 | 6 | May 18, 1979 | Sep 28, 1981 |
| 66 | Mitchell Energy Corporation | 9 | 9 | 0 | 3 | Jun 8, 1977 | Jul 2, 1980 |
| 67 | Patton, E. N. Oil Co., Inc. | 9 | 9 | 0 | 3 | Oct 8, 1999 | Jan 22, 2003 |
| 68 | Apache Corporation | 9 | 9 | 4 | 1 | Oct 16, 2012 | Apr 21, 2014 |
| 69 | Westland Oil Development Corp. | 9 | 9 | 0 | 1 | Dec 19, 1980 | Apr 18, 1991 |
| 70 | Devon Energy Production Co, L.P. | 9 | 9 | 9 | 0 | Jan 18, 2012 | Apr 11, 2013 |
| 71 | Lavanco Energy, Ltd. | 8 | 8 | 0 | 7 | Oct 16, 2009 | Dec 10, 2021 |
| 72 | WTG Exploration | 8 | 8 | 0 | 5 | Sep 6, 2007 | Nov 8, 2011 |
| 73 | Ozark Exploration, Inc. | 8 | 8 | 0 | 4 | Jan 18, 1990 | Sep 28, 1993 |
| 74 | Eagle Production, Inc. | 8 | 8 | 0 | 1 | Nov 27, 2013 | Sep 30, 2015 |
| 75 | Fisher-Webb, Inc. | 8 | 8 | 0 | 1 | Jan 11, 1979 | Sep 10, 1981 |
| 76 | Parker & Parsley Development L.P | 8 | 8 | 0 | 1 | Oct 18, 1995 | Aug 15, 1997 |
| 77 | Texaco Producing Inc. | 8 | 8 | 0 | 1 | Oct 8, 1985 | Jan 22, 1990 |
| 78 | Cadasco, Inc. | 8 | 8 | 0 | 0 | Jun 21, 1977 | Jan 30, 1978 |
| 79 | Simpson-Mann Oil Producers | 8 | 8 | 0 | 0 | Aug 2, 1978 | Nov 17, 1980 |
| 80 | Aries Operating, LP | 7 | 7 | 0 | 14 | Apr 5, 2004 | Jan 24, 2012 |
| 81 | Boyd & McWilliams Energy Group | 7 | 7 | 0 | 9 | Aug 25, 1994 | Oct 27, 2006 |
| 82 | Felderhoff Production Company | 7 | 7 | 0 | 9 | Dec 11, 2019 | Mar 12, 2024 |
| 83 | Oil Projects, LLC | 7 | 7 | 0 | 3 | Apr 13, 2021 | Jan 9, 2026 |
| 84 | Energy Reserves Group, Inc. | 7 | 7 | 0 | 1 | Oct 31, 1978 | Jan 4, 1982 |
| 85 | Fluid Lift International, Inc. | 7 | 7 | 0 | 1 | Nov 25, 1981 | Oct 10, 1984 |
| 86 | Graham Royalty, Ltd. | 7 | 7 | 0 | 1 | Jun 9, 1989 | Aug 14, 1992 |
| 87 | McCabe, John Q. | 7 | 7 | 0 | 1 | Jan 2, 1979 | Nov 7, 1990 |
| 88 | Olsen Energy Inc. | 7 | 7 | 0 | 1 | Nov 6, 1984 | Apr 13, 1987 |
| 89 | Hickox Oil Texas Company, Inc. | 7 | 7 | 0 | 0 | Aug 30, 1988 | Nov 22, 1991 |
| 90 | COG Operating LLC | 6 | 6 | 5 | 5 | Dec 9, 2005 | Apr 6, 2015 |
| 91 | Quantum Resources Management,llc | 6 | 6 | 0 | 4 | Jul 2, 2007 | Aug 7, 2014 |
| 92 | Crown Central Petroleum Corp. | 6 | 6 | 0 | 3 | Apr 3, 1979 | Jul 30, 1984 |
| 93 | Getty Oil Co. | 6 | 6 | 0 | 3 | Jan 18, 1980 | May 17, 1983 |
| 94 | Chaparral Energy, L.L.C. | 6 | 6 | 0 | 2 | Aug 21, 2007 | Sep 9, 2010 |
| 95 | Oklahoma RB Operating Company | 6 | 6 | 0 | 2 | Aug 19, 1992 | Feb 24, 1993 |
| 96 | Diversified Operating Corp. | 6 | 6 | 0 | 1 | Feb 8, 1994 | Apr 9, 1996 |
| 97 | Canyon Plateau Exploration | 6 | 6 | 0 | 0 | Feb 14, 1984 | Oct 14, 1985 |
| 98 | Fortune Drilling Co., Inc. | 6 | 6 | 0 | 0 | Mar 6, 1978 | Oct 17, 1978 |
| 99 | Genie Corporation | 6 | 6 | 0 | 0 | Mar 24, 1988 | Dec 22, 1989 |
| 100 | Lucero Oil and Gas, Inc. | 6 | 6 | 0 | 0 | Jun 14, 1985 | Oct 13, 1986 |
| 101 | Midenergy Operating, LLC | 6 | 6 | 0 | 0 | Jun 22, 2012 | Jun 6, 2014 |
| 102 | Sage Drilling Co., Inc | 6 | 6 | 0 | 0 | Aug 11, 1981 | Nov 29, 1982 |
| 103 | Venado Petroleum Corporation | 6 | 6 | 0 | 0 | Aug 19, 1977 | Feb 4, 1981 |
| 104 | Enron Oil & Gas Company | 5 | 5 | 0 | 15 | Sep 8, 1992 | Aug 16, 1993 |
| 105 | Ser E&P, Inc. | 5 | 5 | 0 | 12 | Oct 1, 2014 | Oct 20, 2014 |
| 106 | Luling Oil & Gas Company, Inc. | 5 | 5 | 0 | 5 | Jan 14, 1981 | Nov 19, 1985 |
| 107 | Southwest Royalties, Inc. | 5 | 5 | 0 | 3 | May 8, 1989 | Dec 8, 1992 |
| 108 | Byrd Operating Company | 5 | 5 | 0 | 2 | Aug 21, 1996 | Aug 31, 2012 |
| 109 | Cleere Operating Company | 5 | 5 | 0 | 2 | Dec 31, 1985 | Sep 29, 1987 |
| 110 | Halliburton Operating Company | 5 | 5 | 0 | 2 | Sep 27, 2005 | Dec 7, 2006 |
| 111 | Mulloy Operating, Inc. | 5 | 5 | 0 | 2 | May 9, 2005 | Sep 10, 2015 |
| 112 | NRM Petroleum Corp. | 5 | 5 | 0 | 2 | Jan 4, 1979 | Dec 31, 1980 |
| 113 | Bettis, Boyle & Stovall | 5 | 5 | 0 | 1 | Nov 6, 1980 | Jun 14, 1991 |
| 114 | Hanley Petroleum Inc. | 5 | 5 | 0 | 1 | Feb 13, 1981 | Oct 22, 1981 |
| 115 | J & J Services Company | 5 | 5 | 0 | 1 | Jan 21, 2004 | Jul 24, 2008 |
| 116 | Mayo, Eddie | 5 | 5 | 0 | 1 | Aug 29, 2000 | Apr 11, 2003 |
| 117 | Morrow Resources, Inc. | 5 | 5 | 0 | 1 | Dec 5, 1980 | May 22, 1987 |
| 118 | 3-M Energy Corporation | 5 | 5 | 0 | 0 | Oct 17, 2006 | Oct 27, 2008 |
| 119 | Canyon Plateau Partnership | 5 | 5 | 0 | 0 | Nov 19, 1982 | Oct 27, 1983 |
| 120 | EOG Resources, Inc. | 5 | 5 | 2 | 0 | Nov 9, 2011 | Nov 9, 2011 |
| 121 | Freedom Energy, Inc. (I) | 5 | 5 | 0 | 0 | Jul 22, 1991 | Sep 16, 1996 |
| 122 | LHG Resources, Inc. | 5 | 5 | 0 | 0 | Jan 25, 1982 | Feb 18, 1982 |
| 123 | Sonora Southwest Partnership | 5 | 5 | 0 | 0 | Feb 19, 1987 | Oct 14, 1987 |
| 124 | Thomas, J. D. | 5 | 5 | 0 | 0 | Nov 7, 1977 | May 10, 1982 |
| 125 | Walter Exploration Inc. | 5 | 5 | 0 | 0 | Sep 12, 1977 | Jul 27, 1981 |
| 126 | Coppertop | 4 | 4 | 0 | 7 | Jan 30, 2017 | Nov 19, 2024 |
| 127 | Taurus Minerals, Inc. | 4 | 4 | 0 | 6 | Nov 7, 1990 | Nov 8, 2006 |
| 128 | Meador Land Company | 4 | 4 | 0 | 4 | Feb 22, 1980 | Oct 5, 1981 |
| 129 | Bonfire Operating LLC | 4 | 4 | 0 | 2 | May 19, 2014 | Feb 4, 2016 |
| 130 | Chisholm Operating, Inc. | 4 | 4 | 0 | 2 | Jul 26, 2001 | Sep 1, 2015 |
| 131 | Chisos Operating, Inc. | 4 | 4 | 0 | 2 | Nov 20, 1984 | Jul 18, 1989 |
| 132 | Hamill, Claud B. | 4 | 4 | 0 | 2 | Aug 25, 1977 | Oct 22, 1979 |
| 133 | Rendova Oil Co | 4 | 4 | 0 | 2 | Jul 23, 1981 | Dec 8, 1982 |
| 134 | Tamarack Petroleum Company, Inc. | 4 | 4 | 0 | 2 | Apr 21, 1982 | Feb 7, 1983 |
| 135 | Champlin Petroleum Co. | 4 | 4 | 0 | 1 | Dec 14, 1979 | Oct 16, 1980 |
| 136 | Cola Petroleum, Inc. | 4 | 4 | 0 | 1 | Nov 3, 1977 | Apr 12, 1978 |
| 137 | Leclair Operating Co., Inc. | 4 | 4 | 0 | 1 | Sep 28, 2004 | Nov 21, 2005 |
| 138 | Naumann Oil & Gas, Inc. | 4 | 4 | 0 | 1 | Jul 16, 1996 | Jul 31, 2015 |
| 139 | Nichols,edwin S Explorations Inc | 4 | 4 | 0 | 1 | Jul 22, 1996 | Mar 31, 1998 |
| 140 | Simpson-Mann, Inc. | 4 | 4 | 0 | 1 | Jul 13, 1981 | Jul 9, 1985 |
| 141 | Bennett, M. Brad Inc. | 4 | 4 | 0 | 0 | Oct 19, 1981 | Apr 21, 1983 |
| 142 | Burns, R. L. Corporation | 4 | 4 | 0 | 0 | Aug 4, 1978 | Dec 2, 1980 |
| 143 | Canyon Operating Unit | 4 | 4 | 0 | 0 | Dec 22, 1978 | Feb 11, 1980 |
| 144 | Cities Service Company | 4 | 4 | 0 | 0 | Nov 16, 1977 | Oct 12, 1982 |
| 145 | Cities Service Oil & Gas Corp. | 4 | 4 | 0 | 0 | Dec 8, 1983 | Mar 11, 1988 |
| 146 | Esperanza Energy Corp. | 4 | 4 | 0 | 0 | Jan 5, 1978 | Oct 13, 1978 |
| 147 | Estoril Producing Corporation | 4 | 4 | 0 | 0 | Dec 31, 1981 | Nov 27, 1984 |
| 148 | Feagan Energy, Inc. | 4 | 4 | 0 | 0 | Oct 13, 1981 | Dec 18, 1992 |
| 149 | Hamman Oil & Refining Company | 4 | 4 | 0 | 0 | Aug 20, 2004 | Jan 24, 2007 |
| 150 | Hill, John H. | 4 | 4 | 0 | 0 | May 12, 1982 | Jan 27, 1983 |
| 151 | Huffman, H. L., Ltd. | 4 | 4 | 0 | 0 | Apr 27, 1979 | Nov 4, 1981 |
| 152 | Kitjonginan Marclayzz, Inc. | 4 | 4 | 0 | 0 | Jul 12, 1977 | Dec 29, 1977 |
| 153 | Leggett, Jeff Operating | 4 | 4 | 0 | 0 | Mar 9, 1988 | May 12, 1988 |
| 154 | Lone Wolf Producing Company | 4 | 4 | 0 | 0 | Jul 20, 1987 | Oct 7, 1988 |
| 155 | MHF Operating Company, Inc. | 4 | 4 | 0 | 0 | Mar 28, 1984 | Nov 27, 1984 |
| 156 | Miller Brothers | 4 | 4 | 0 | 0 | May 20, 1980 | Aug 12, 1981 |
| 157 | Oneill, Joseph I., Jr. | 4 | 4 | 0 | 0 | Jun 9, 1977 | Jun 10, 1980 |
| 158 | Petrodata Resources, Inc. | 4 | 4 | 0 | 0 | Nov 2, 2000 | Oct 23, 2008 |
| 159 | Petroneal Corporation | 4 | 4 | 0 | 0 | Jul 11, 1984 | Aug 28, 1986 |
| 160 | Petro-West Corporation | 4 | 4 | 0 | 0 | Oct 29, 1998 | Jun 27, 2001 |
| 161 | Rio-Tex, Inc. | 4 | 4 | 0 | 0 | Sep 14, 1990 | Jul 9, 1999 |
| 162 | Titan Resources I, Inc. | 4 | 4 | 0 | 0 | Apr 6, 1999 | Jun 12, 2000 |
| 163 | Vision, Inc. | 4 | 4 | 0 | 0 | Sep 11, 1981 | Sep 21, 1981 |
| 164 | Way & Mills | 4 | 4 | 0 | 0 | Nov 23, 1977 | Jun 7, 1979 |
| 165 | Wheelock Oil Co. | 4 | 4 | 0 | 0 | Aug 4, 1978 | Feb 16, 1979 |
| 166 | XOG Operating LLC | 4 | 4 | 0 | 0 | Oct 7, 2011 | Oct 7, 2011 |
| 167 | Silver Oil & Gas Inc. | 3 | 3 | 0 | 21 | Aug 25, 2013 | Jul 16, 2021 |
| 168 | Atlantic Richfield Co. | 3 | 3 | 0 | 7 | Aug 10, 1977 | Nov 27, 1978 |
| 169 | Texaco Inc. | 3 | 3 | 0 | 6 | Feb 21, 1985 | May 29, 1990 |
| 170 | Concho Resources Inc. | 3 | 3 | 0 | 4 | Jul 1, 1998 | Jul 3, 1998 |
| 171 | Huff, Jack | 3 | 3 | 0 | 4 | Feb 9, 1981 | Apr 5, 1991 |
| 172 | Clifton, Joe B. Exploration, Inc | 3 | 3 | 0 | 3 | Dec 22, 1986 | Jan 27, 1988 |
| 173 | Incline Energy | 3 | 3 | 0 | 3 | Nov 26, 2001 | May 5, 2005 |
| 174 | Mercury Operating, LLC | 3 | 3 | 0 | 3 | Oct 3, 2014 | Nov 5, 2014 |
| 175 | Dow Chemical Co., The | 3 | 3 | 0 | 2 | Jul 1, 1980 | Jun 29, 1982 |
| 176 | Newhall Resources | 3 | 3 | 0 | 2 | Apr 7, 1983 | Jun 15, 1983 |
| 177 | Parker & Parsley Petroleum Co. | 3 | 3 | 0 | 2 | Sep 26, 1988 | Sep 27, 1989 |
| 178 | Adams Resources Expl. Corp. | 3 | 3 | 0 | 1 | Nov 21, 2001 | Jun 11, 2002 |
| 179 | Enexco U.S.A., Ltd. | 3 | 3 | 0 | 1 | Jul 9, 1981 | Feb 6, 1984 |
| 180 | Hendrix, John H. Corp. | 3 | 3 | 0 | 1 | Sep 12, 1977 | Jul 2, 1982 |
| 181 | Petroleum Technical Services Co. | 3 | 3 | 0 | 1 | Aug 29, 1979 | Jun 24, 1980 |
| 182 | Remuda Oil & Gas Co. | 3 | 3 | 0 | 1 | Jan 4, 1978 | Jul 10, 1979 |
| 183 | Spence Energy Company | 3 | 3 | 0 | 1 | Jun 21, 1990 | Apr 16, 1992 |
| 184 | SPG Exploration, Corp. | 3 | 3 | 0 | 1 | Aug 6, 1982 | Dec 11, 1987 |
| 185 | Swartz, Guy A. | 3 | 3 | 0 | 1 | Oct 16, 1986 | Jun 25, 1990 |
| 186 | Abel Production Company | 3 | 3 | 0 | 0 | Apr 3, 1995 | Aug 31, 1995 |
| 187 | Bennett, M. Brad Inc. & RKH Ltd. | 3 | 3 | 0 | 0 | Jan 11, 1978 | May 7, 1982 |
| 188 | B & G Energy Corporation | 3 | 3 | 0 | 0 | Jun 20, 1983 | Sep 23, 1983 |
| 189 | Big Four Oil and Gas | 3 | 3 | 0 | 0 | Jul 28, 1980 | Aug 11, 1980 |
| 190 | Blake Production Company, Inc. | 3 | 3 | 0 | 0 | Sep 16, 2014 | Sep 16, 2014 |
| 191 | Boyd & McWilliams Corporation | 3 | 3 | 0 | 0 | Jun 2, 1982 | Nov 18, 1986 |
| 192 | Brazos Grover Oil | 3 | 3 | 0 | 0 | May 11, 1983 | Oct 17, 1983 |
| 193 | Cabot Corp. | 3 | 3 | 0 | 0 | Jul 14, 1978 | Mar 13, 1979 |
| 194 | Enserch Exploration, Inc | 3 | 3 | 0 | 0 | Dec 7, 1977 | Jul 3, 1978 |
| 195 | Geocrown, Inc. | 3 | 3 | 0 | 0 | Nov 8, 1999 | Aug 1, 2002 |
| 196 | Great Western Drilling Company | 3 | 3 | 0 | 0 | Feb 27, 2006 | Mar 20, 2008 |
| 197 | Harper Oil Co. | 3 | 3 | 0 | 0 | Aug 10, 1983 | Feb 23, 1984 |
| 198 | Ladd Petroleum Corp. | 3 | 3 | 0 | 0 | Jun 4, 1982 | May 25, 1984 |
| 199 | Lovelady, I. W. | 3 | 3 | 0 | 0 | Jul 5, 1977 | Jan 25, 1978 |
| 200 | McBay Oil & Gas, Inc. | 3 | 3 | 0 | 0 | Jun 30, 1981 | Jul 3, 1981 |
| 201 | Mexco Energy Corporation | 3 | 3 | 0 | 0 | Nov 19, 1999 | Apr 5, 2000 |
| 202 | Page, Paul | 3 | 3 | 0 | 0 | May 17, 1978 | Feb 28, 1979 |
| 203 | Parker & Parsley, Ltd. | 3 | 3 | 0 | 0 | Feb 8, 1990 | Sep 26, 1990 |
| 204 | Petrus Operating Co., Inc. | 3 | 3 | 0 | 0 | Aug 15, 1984 | Jun 21, 1985 |
| 205 | Plateau Expl. & Devl. Co., Inc. | 3 | 3 | 0 | 0 | May 7, 1982 | Feb 10, 1983 |
| 206 | Prize Operating Company | 3 | 3 | 0 | 0 | Feb 2, 2001 | Apr 16, 2001 |
| 207 | Puma Exploration Company | 3 | 3 | 0 | 0 | Dec 31, 1982 | Nov 29, 1983 |
| 208 | Royal Crest Petroleum, Inc. | 3 | 3 | 0 | 0 | Nov 9, 1981 | May 7, 1982 |
| 209 | Sproul, C.R. | 3 | 3 | 0 | 0 | Sep 1, 1981 | Dec 31, 1982 |
| 210 | Sproul, C.R. Inc &3-M Energy,inc | 3 | 3 | 0 | 0 | Nov 2, 1987 | Oct 14, 1988 |
| 211 | Tradition Resources LLC | 3 | 3 | 0 | 0 | Jun 15, 2011 | Feb 12, 2013 |
| 212 | Vista Exploration, LLC | 3 | 3 | 0 | 0 | Oct 9, 2014 | Feb 6, 2017 |
| 213 | OXY USA Inc. | 2 | 2 | 0 | 34 | Sep 22, 2017 | Sep 22, 2017 |
| 214 | Amoco Production Company | 2 | 2 | 0 | 6 | Apr 27, 1979 | Jul 22, 1980 |
| 215 | Recovery Operating LP | 2 | 2 | 0 | 6 | Dec 18, 2006 | Nov 14, 2018 |
| 216 | Verdad Oil & Gas Corporation | 2 | 2 | 0 | 5 | Aug 5, 1988 | Oct 12, 1992 |
| 217 | Arden Oil Corp. | 2 | 2 | 0 | 4 | Mar 30, 1984 | Oct 15, 1984 |
| 218 | Phillips Petroleum Company | 2 | 2 | 0 | 4 | Oct 23, 1984 | Nov 12, 1986 |
| 219 | Cactus Operating Company | 2 | 2 | 0 | 3 | Jun 30, 1977 | Aug 14, 1979 |
| 220 | Cheek, Bill | 2 | 2 | 0 | 3 | Jul 27, 1979 | Oct 1, 1985 |
| 221 | Ladd Oil & Gas Corporation | 2 | 2 | 0 | 3 | Aug 10, 2000 | Sep 21, 2001 |
| 222 | McCammon Oil & Gas, Inc. | 2 | 2 | 0 | 3 | Sep 18, 2014 | Jan 17, 2023 |
| 223 | American Exploration Company | 2 | 2 | 0 | 2 | Feb 9, 1988 | Feb 9, 1988 |
| 224 | Blanks Energy Corporation | 2 | 2 | 0 | 2 | Jul 10, 1980 | Mar 24, 1982 |
| 225 | Centaur Petroleum Corporation | 2 | 2 | 0 | 2 | Apr 4, 1978 | May 20, 1981 |
| 226 | Geonatural Resources, Inc. | 2 | 2 | 0 | 2 | Jun 30, 1992 | Jun 30, 1993 |
| 227 | Graham, Bill J. | 2 | 2 | 0 | 2 | Sep 2, 1980 | Sep 2, 1980 |
| 228 | Tidal Petroleum, Inc. | 2 | 2 | 0 | 2 | Feb 10, 1997 | Apr 17, 1997 |
| 229 | Arrowhead Petroleum, Inc. | 2 | 2 | 0 | 1 | Aug 18, 1983 | Aug 18, 1983 |
| 230 | BSP Operating, LLC | 2 | 2 | 0 | 1 | Jan 3, 2013 | Jan 3, 2013 |
| 231 | Crego Exploration | 2 | 2 | 0 | 1 | Oct 12, 1990 | Mar 14, 1991 |
| 232 | Diasu Oil & Gas Co., Inc. | 2 | 2 | 0 | 1 | Apr 26, 1985 | May 13, 1985 |
| 233 | Eastland Oil Company, The | 2 | 2 | 0 | 1 | Jul 3, 2002 | Jul 3, 2002 |
| 234 | Expanding Energy Corporation | 2 | 2 | 0 | 1 | Oct 27, 1988 | Oct 27, 1988 |
| 235 | Fossil Petroleum LLC | 2 | 2 | 0 | 1 | Oct 14, 2021 | Oct 6, 2023 |
| 236 | Lively Energy & Development Corp | 2 | 2 | 0 | 1 | Dec 12, 1980 | Dec 28, 1981 |
| 237 | Osborn Heirs Company | 2 | 2 | 0 | 1 | Nov 17, 1981 | Nov 17, 1981 |
| 238 | Parcross Oil Company | 2 | 2 | 0 | 1 | Jul 18, 1977 | Aug 8, 1977 |
| 239 | Pennzoil Company | 2 | 2 | 0 | 1 | Dec 12, 1977 | Dec 12, 1977 |
| 240 | Pennzoil Exploration & Prod. Co. | 2 | 2 | 0 | 1 | Oct 26, 1990 | Oct 26, 1990 |
| 241 | SRG Oil Corporation | 2 | 2 | 0 | 1 | Mar 12, 1987 | May 27, 1987 |
| 242 | Three Rivers Operating Co LLC | 2 | 2 | 0 | 1 | Nov 15, 2010 | Mar 21, 2012 |
| 243 | Adobe Oil & Gas Corp. | 2 | 2 | 0 | 0 | Sep 24, 1981 | Sep 28, 1981 |
| 244 | Boyd, Foy Management Corp. | 2 | 2 | 0 | 0 | Dec 1, 1978 | Dec 31, 1982 |
| 245 | Brazos Petroleum Co. | 2 | 2 | 0 | 0 | Sep 24, 1979 | Mar 3, 1981 |
| 246 | C & E Operator's, Inc. | 2 | 2 | 0 | 0 | Aug 23, 1978 | May 2, 1980 |
| 247 | C & F Petroleum, Inc. | 2 | 2 | 0 | 0 | Oct 23, 2003 | Nov 4, 2003 |
| 248 | Cholla Petroleum, Inc. | 2 | 2 | 0 | 0 | Jan 18, 2005 | Feb 27, 2017 |
| 249 | Corlena Oil Company | 2 | 2 | 0 | 0 | Mar 3, 1992 | Mar 3, 1992 |
| 250 | Dallas Production, Inc. | 2 | 2 | 0 | 0 | Jun 4, 1980 | Nov 20, 1998 |
| 251 | Delray Oil, Inc. | 2 | 2 | 0 | 0 | May 20, 1993 | Aug 13, 1998 |
| 252 | Diamond Shamrock Exploration Co. | 2 | 2 | 0 | 0 | Nov 21, 1983 | Feb 21, 1984 |
| 253 | Echo Production, Inc. | 2 | 2 | 0 | 0 | Aug 23, 1996 | Apr 16, 1997 |
| 254 | Elevation Resources LLC | 2 | 2 | 2 | 0 | Sep 24, 2014 | Oct 2, 2014 |
| 255 | Encana Oil & Gas(usa) Inc. | 2 | 2 | 0 | 0 | Jul 7, 2005 | Jul 7, 2005 |
| 256 | Fasken Oil and Ranch, Ltd. | 2 | 2 | 0 | 0 | Oct 15, 1998 | Oct 15, 1998 |
| 257 | Franklin, J.W. Oil Operator | 2 | 2 | 0 | 0 | May 2, 1989 | May 18, 1989 |
| 258 | Freedom Energy, Ltd. | 2 | 2 | 0 | 0 | Feb 22, 2010 | Feb 26, 2010 |
| 259 | Gas Development Corporation | 2 | 2 | 0 | 0 | Nov 23, 1977 | May 25, 1978 |
| 260 | GBG Operating Corp. | 2 | 2 | 0 | 0 | Oct 25, 1989 | Jul 5, 1991 |
| 261 | Gear Petroleum Co., Inc. | 2 | 2 | 0 | 0 | Jun 19, 1981 | Nov 9, 1981 |
| 262 | Grover Oil Company | 2 | 2 | 0 | 0 | Dec 17, 1985 | Jul 18, 1986 |
| 263 | Harvest Petroleum Inc. | 2 | 2 | 0 | 0 | Jun 18, 2012 | Dec 17, 2014 |
| 264 | Hicks, Kent | 2 | 2 | 0 | 0 | Aug 12, 1977 | Aug 29, 1977 |
| 265 | Hondo Oil & Gas Company Delaware | 2 | 2 | 0 | 0 | Apr 17, 1990 | Apr 17, 1990 |
| 266 | Hulldale Switch Disposal System | 2 | 2 | 0 | 0 | Sep 19, 1980 | Jun 23, 1982 |
| 267 | Ice Brothers | 2 | 2 | 0 | 0 | Sep 29, 1982 | Feb 9, 1983 |
| 268 | Jem Petroleum Corporation | 2 | 2 | 0 | 0 | Oct 13, 1981 | Oct 20, 1981 |
| 269 | Lariat Oil & Gas Co., Inc. | 2 | 2 | 0 | 0 | Nov 17, 1983 | Jul 9, 1984 |
| 270 | Lewis, T. K. | 2 | 2 | 0 | 0 | Dec 18, 2006 | Dec 18, 2006 |
| 271 | Lone Star Oil & Gas | 2 | 2 | 0 | 0 | Feb 4, 2005 | Feb 4, 2005 |
| 272 | Marquee Corporation | 2 | 2 | 0 | 0 | Jul 18, 2012 | Jul 19, 2012 |
| 273 | May Petroleum-High Plains Expl. | 2 | 2 | 0 | 0 | Apr 7, 1982 | Sep 8, 1982 |
| 274 | May Petroleum, Inc. | 2 | 2 | 0 | 0 | Aug 22, 1983 | Dec 9, 1983 |
| 275 | M D H Oil & Gas Co. | 2 | 2 | 0 | 0 | Apr 14, 1978 | Dec 27, 1979 |
| 276 | Mendenhall, R.A. Associates, Ltd | 2 | 2 | 0 | 0 | Aug 11, 1980 | Dec 18, 1981 |
| 277 | Merit Oil Company | 2 | 2 | 0 | 0 | May 21, 1992 | Dec 16, 1992 |
| 278 | Meyer & Associates, Inc. | 2 | 2 | 0 | 0 | Oct 20, 1977 | Dec 6, 1977 |
| 279 | Morris, W. Dale Inc. | 2 | 2 | 0 | 0 | Feb 15, 1985 | May 16, 1986 |
| 280 | Paragon Corporation | 2 | 2 | 0 | 0 | Dec 15, 2008 | Mar 17, 2009 |
| 281 | Patriot Resources, Inc. | 2 | 2 | 0 | 0 | Jul 6, 2004 | Jul 14, 2004 |
| 282 | Peccary Company | 2 | 2 | 0 | 0 | Dec 29, 1983 | May 25, 1984 |
| 283 | Premium Oil & Gas Inc. | 2 | 2 | 0 | 0 | Apr 19, 1983 | Apr 19, 1983 |
| 284 | Probity Operating, LLC | 2 | 2 | 0 | 0 | Sep 23, 2011 | Sep 23, 2011 |
| 285 | Proffitt Drilling Co. | 2 | 2 | 0 | 0 | Nov 5, 1981 | Feb 11, 1982 |
| 286 | Pro Oil | 2 | 2 | 0 | 0 | Feb 10, 1987 | Jul 2, 1987 |
| 287 | Rankin Oil Co.-Eltex | 2 | 2 | 0 | 0 | Sep 20, 1979 | Mar 12, 1981 |
| 288 | Reatta Energy, Inc. | 2 | 2 | 0 | 0 | Apr 9, 2025 | Apr 7, 2026 |
| 289 | Remuda Oil & Gas Corp. | 2 | 2 | 0 | 0 | May 2, 1980 | May 2, 1980 |
| 290 | R K Petroleum Corporation | 2 | 2 | 0 | 0 | Mar 4, 1985 | Jan 23, 2001 |
| 291 | Sabre Oil and Gas Corp. | 2 | 2 | 0 | 0 | Jun 27, 2000 | Jun 27, 2000 |
| 292 | Saxon Oil Company | 2 | 2 | 0 | 0 | Jul 18, 1978 | Sep 21, 1978 |
| 293 | Sinclair Energy Corporation | 2 | 2 | 0 | 0 | Dec 21, 2001 | Feb 5, 2003 |
| 294 | Smith Oil Company, Inc. | 2 | 2 | 0 | 0 | Jun 11, 1990 | Mar 21, 1991 |
| 295 | Southland Royalty Company | 2 | 2 | 0 | 0 | Feb 18, 1981 | Jan 20, 1983 |
| 296 | Sterling Company | 2 | 2 | 0 | 0 | Dec 30, 1977 | Sep 14, 1978 |
| 297 | Suburban Propane Gas Corp. | 2 | 2 | 0 | 0 | Oct 1, 1979 | Oct 1, 1979 |
| 298 | Taurus Operating, Inc. | 2 | 2 | 0 | 0 | Jun 15, 1994 | Jun 15, 1994 |
| 299 | TDC Engineering, Inc. | 2 | 2 | 0 | 0 | Jan 18, 2011 | Apr 4, 2011 |
| 300 | Tierra Exploration Inc. | 2 | 2 | 0 | 0 | Apr 24, 1984 | Jan 29, 1986 |
631 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE