Lavaca 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 | Penn Virginia Oil & Gas, L.P. | 328 | 328 | 324 | 1 | Feb 16, 2012 | Dec 14, 2022 |
| 2 | Dreyfus, Louis Natural Gas Corp | 125 | 125 | 0 | 26 | Apr 3, 1996 | Nov 28, 2001 |
| 3 | Shana Petroleum Company | 120 | 120 | 0 | 7 | Oct 12, 1988 | Apr 29, 2002 |
| 4 | Howell Drilling, Inc. | 111 | 111 | 0 | 28 | Aug 23, 1977 | Mar 5, 1993 |
| 5 | Moose Operating Co., Inc. | 101 | 101 | 0 | 35 | Dec 19, 1994 | Jan 24, 2001 |
| 6 | TXO Production Corp. | 99 | 99 | 0 | 38 | Feb 9, 1979 | Mar 6, 1990 |
| 7 | Trio Consulting & Management,llc | 86 | 86 | 0 | 49 | Oct 7, 2002 | Oct 13, 2026 |
| 8 | Bass Enterprises Production Co. | 77 | 77 | 1 | 13 | Aug 3, 1977 | Aug 29, 2006 |
| 9 | El Paso Production Oil & Gas Co. | 53 | 53 | 0 | 1 | Dec 29, 2000 | Jun 20, 2006 |
| 10 | Devon Energy Production Co, L.P. | 49 | 49 | 44 | 2 | May 30, 2002 | Jan 8, 2015 |
| 11 | Mobil Producing TX. & N.M. Inc. | 47 | 47 | 3 | 14 | Apr 11, 1985 | Mar 2, 1999 |
| 12 | Meadow View, Inc. | 45 | 45 | 0 | 0 | Jan 25, 1984 | May 21, 1991 |
| 13 | EOG Resources, Inc. | 44 | 44 | 31 | 21 | Jun 13, 2003 | Mar 24, 2026 |
| 14 | Baytex Energy USA, Inc. | 44 | 44 | 44 | 0 | Mar 30, 2022 | Dec 29, 2025 |
| 15 | Superior Oil Company, The | 43 | 43 | 0 | 8 | Oct 3, 1977 | Feb 4, 1986 |
| 16 | Mitchell Energy Corporation | 42 | 42 | 0 | 22 | Nov 22, 1977 | Nov 10, 1999 |
| 17 | Suncoast Technical Services Inc | 40 | 40 | 0 | 17 | Sep 27, 2005 | Aug 23, 2013 |
| 18 | Newfield Exploration Company | 36 | 36 | 0 | 10 | Sep 16, 1999 | Sep 2, 2011 |
| 19 | Little, Lou Operating Co., Inc. | 35 | 35 | 0 | 14 | Nov 6, 2003 | Jan 10, 2014 |
| 20 | United Oil & Minerals, Inc. | 34 | 34 | 1 | 0 | Mar 8, 1985 | Jan 4, 2001 |
| 21 | Dominion Oklahoma Texas E&P, Inc | 33 | 33 | 0 | 17 | Oct 15, 2001 | May 18, 2007 |
| 22 | B D Production Co., Inc. | 31 | 31 | 0 | 25 | Nov 13, 1981 | Dec 22, 2020 |
| 23 | El Paso E & P Company, L. P. | 29 | 29 | 0 | 11 | May 3, 2006 | Jul 24, 2009 |
| 24 | Enserch Exploration, Inc | 29 | 29 | 0 | 7 | Sep 13, 1977 | Apr 2, 1996 |
| 25 | XTO Energy Inc. | 28 | 28 | 0 | 30 | Aug 30, 2007 | Jun 16, 2017 |
| 26 | Neumin Production Company | 28 | 28 | 0 | 25 | Aug 23, 1977 | Feb 8, 2005 |
| 27 | B. D. K. Production Co., Inc. | 28 | 28 | 0 | 13 | Jun 7, 1977 | Dec 31, 1982 |
| 28 | Texas Oil & Gas Corp. | 27 | 27 | 0 | 12 | Nov 22, 1977 | Aug 5, 1981 |
| 29 | United Oil & Minerals L. P. | 27 | 27 | 0 | 2 | Jun 15, 2000 | Jun 13, 2003 |
| 30 | Coastal Oil & Gas Corporation | 27 | 27 | 0 | 0 | Feb 5, 1998 | Mar 9, 2001 |
| 31 | Shell Oil Company | 25 | 25 | 0 | 42 | Jun 17, 1977 | Mar 31, 1983 |
| 32 | Pioneer Natural Res. USA, Inc. | 25 | 25 | 18 | 38 | Jan 14, 1998 | May 10, 2012 |
| 33 | Cantera Operating, LLC | 25 | 25 | 0 | 4 | Dec 2, 2013 | Feb 3, 2017 |
| 34 | American Exploration Company | 25 | 25 | 0 | 3 | Jan 25, 1990 | Oct 9, 1997 |
| 35 | Capital Star Oil & Gas, Inc. | 24 | 24 | 3 | 133 | Jul 25, 2014 | Oct 9, 2026 |
| 36 | Mueller Exploration, Inc. | 24 | 24 | 0 | 12 | Aug 7, 1998 | Mar 16, 2005 |
| 37 | Rocc Oil & Gas, L.P. | 24 | 24 | 24 | 1 | Sep 20, 2022 | Jan 11, 2024 |
| 38 | Wofford, C. J. | 23 | 23 | 0 | 18 | Aug 14, 1984 | Jun 9, 2011 |
| 39 | Magnum Producing, LP | 23 | 23 | 0 | 14 | Jan 6, 2005 | Apr 20, 2021 |
| 40 | Shell Western E&P Inc. | 22 | 22 | 0 | 4 | Jan 23, 1984 | Jan 26, 1998 |
| 41 | Enterprise Resources, Inc. | 22 | 22 | 0 | 3 | Jun 16, 1977 | Apr 15, 1985 |
| 42 | Mascot Oil Company | 20 | 20 | 0 | 20 | Jun 23, 1993 | Jun 23, 2017 |
| 43 | Outline Oil Corp. | 20 | 20 | 0 | 15 | Jun 10, 1977 | Jul 7, 1987 |
| 44 | Talon Development Co., Inc. | 20 | 20 | 0 | 7 | Jul 28, 1997 | Jul 30, 2001 |
| 45 | General Crude Oil Co. | 20 | 20 | 0 | 0 | Jun 20, 1977 | Jun 13, 1978 |
| 46 | FW Eagle Ford I, LLC | 19 | 19 | 19 | 443 | Jul 17, 2025 | Oct 27, 2026 |
| 47 | Kaler Energy Corp. | 19 | 19 | 0 | 14 | Dec 30, 2004 | Apr 10, 2025 |
| 48 | Cico Oil & Gas Company | 19 | 19 | 0 | 12 | Jul 15, 1977 | Apr 26, 2005 |
| 49 | Garrison Ltd. | 19 | 19 | 0 | 12 | Nov 3, 2000 | Nov 14, 2008 |
| 50 | Northstar Energy, Inc. | 19 | 19 | 0 | 5 | Apr 27, 2001 | May 6, 2008 |
| 51 | Costilla Energy, Inc. | 19 | 19 | 0 | 1 | Jul 2, 1997 | Feb 14, 2000 |
| 52 | Neg Operating LLC | 18 | 18 | 0 | 22 | May 16, 2002 | Aug 15, 2006 |
| 53 | Terra Resources, Inc. | 18 | 18 | 0 | 0 | Jun 26, 1984 | Feb 16, 1989 |
| 54 | TMR Exploration, Inc. | 17 | 17 | 0 | 15 | Oct 27, 2016 | Mar 14, 2022 |
| 55 | New Century Exploration, Inc. | 17 | 17 | 0 | 13 | Jun 15, 2005 | Jan 25, 2011 |
| 56 | Geodominion Petroleum | 17 | 17 | 0 | 9 | Dec 3, 1990 | May 16, 2008 |
| 57 | Lgdc Corporation | 17 | 17 | 0 | 6 | Jun 16, 2006 | Dec 15, 2016 |
| 58 | Brown, George R. Partnership,the | 17 | 17 | 0 | 5 | Sep 14, 1990 | Nov 19, 2002 |
| 59 | Moose Oil & Gas Co. | 17 | 17 | 0 | 2 | Jul 14, 1992 | Jun 6, 1994 |
| 60 | Sharon Hunter Resources, Inc. | 17 | 17 | 17 | 0 | Nov 4, 2010 | Apr 5, 2012 |
| 61 | Wainoco Oil & Gas Company | 17 | 17 | 0 | 0 | Dec 2, 1977 | May 1, 1984 |
| 62 | Mueller Engineering Corp. | 16 | 16 | 0 | 3 | Dec 17, 1984 | Dec 22, 1997 |
| 63 | Ellsworth, H. P. O&G Properties | 16 | 16 | 0 | 1 | May 25, 1990 | Jul 26, 2006 |
| 64 | Rocky Creek Resources, LLC | 16 | 16 | 16 | 0 | Sep 15, 2017 | Feb 17, 2023 |
| 65 | Hilcorp Energy Company | 15 | 15 | 0 | 22 | Apr 13, 2016 | Oct 20, 2026 |
| 66 | Sabco Operating Company | 15 | 15 | 0 | 14 | Apr 6, 1998 | Dec 17, 2009 |
| 67 | Hanson Minerals Co. | 15 | 15 | 0 | 5 | Aug 26, 1980 | Aug 20, 1992 |
| 68 | Southport Exploration Inc. | 15 | 15 | 0 | 3 | Sep 9, 1977 | Jul 22, 1985 |
| 69 | Clover Energy Corporation | 15 | 15 | 0 | 2 | Sep 23, 1977 | Dec 1, 1981 |
| 70 | Getty Oil Co. | 15 | 15 | 0 | 2 | Aug 2, 1977 | Feb 11, 1982 |
| 71 | Eagle Ford Hunter Resources,inc. | 15 | 15 | 15 | 0 | May 8, 2012 | Mar 4, 2013 |
| 72 | SN Operating, LLC | 15 | 15 | 15 | 0 | Sep 18, 2013 | Oct 9, 2014 |
| 73 | Hunt Oil Company | 14 | 14 | 0 | 8 | Mar 14, 2001 | Oct 20, 2008 |
| 74 | Indexgeo & Associates, Inc. | 14 | 14 | 0 | 6 | Aug 18, 1992 | Oct 7, 2004 |
| 75 | Conquest Exploration Company | 14 | 14 | 0 | 5 | Sep 29, 1983 | Jun 21, 1989 |
| 76 | Kirby Exploration Company | 14 | 14 | 0 | 4 | Jun 28, 1977 | Apr 1, 1985 |
| 77 | Bishop, J. E. Inc. | 14 | 14 | 0 | 3 | Jun 6, 1989 | Aug 25, 2003 |
| 78 | Mid-American Oil & Gas, Inc. | 14 | 14 | 0 | 1 | Aug 17, 1977 | Oct 17, 1980 |
| 79 | Marathon Oil EF LLC | 14 | 14 | 14 | 0 | Dec 27, 2012 | Apr 13, 2022 |
| 80 | Sanchez Oil & Gas Corporation | 14 | 14 | 14 | 0 | Sep 18, 2013 | May 29, 2014 |
| 81 | Owl Petroleum Company | 13 | 13 | 0 | 11 | Jun 7, 1977 | Jun 30, 1987 |
| 82 | Dale Operating Company | 13 | 13 | 0 | 2 | Aug 17, 1993 | Jun 30, 1999 |
| 83 | Mosbacher Production Co. | 13 | 13 | 0 | 2 | Nov 21, 1979 | Mar 25, 1985 |
| 84 | Speedwell Oil & Gas Company | 13 | 13 | 0 | 2 | Oct 31, 1984 | Dec 12, 1988 |
| 85 | Exxon Corp. | 13 | 13 | 0 | 0 | Sep 13, 1977 | Jun 15, 1987 |
| 86 | Modern Exploration, Inc. | 12 | 12 | 3 | 11 | Mar 17, 2000 | Oct 23, 2025 |
| 87 | Talon Development Company | 12 | 12 | 0 | 11 | Feb 11, 2002 | Sep 21, 2005 |
| 88 | DJ Exploration, Inc. | 12 | 12 | 0 | 6 | Dec 20, 2002 | Jun 2, 2009 |
| 89 | Kenne Exploration, Inc. | 12 | 12 | 0 | 5 | Apr 27, 2007 | Jun 4, 2009 |
| 90 | Stone & Webster Oil Company, Inc | 12 | 12 | 0 | 4 | Nov 1, 1985 | Oct 23, 1992 |
| 91 | Ashford Oil & Gas Company | 12 | 12 | 0 | 2 | Aug 7, 1981 | Nov 27, 1984 |
| 92 | Union Gas Operating Company | 12 | 12 | 0 | 2 | Dec 15, 1997 | Mar 25, 2010 |
| 93 | Davis Oil Company | 12 | 12 | 0 | 0 | Jan 26, 1978 | Aug 9, 1979 |
| 94 | Whiting Petroleum Corporation | 12 | 12 | 2 | 0 | Aug 24, 1999 | Apr 23, 2003 |
| 95 | Big Lake Corporation | 11 | 11 | 0 | 5 | Nov 13, 1996 | Jan 27, 2009 |
| 96 | Apache Corporation | 11 | 11 | 0 | 4 | Oct 26, 1984 | Aug 27, 1997 |
| 97 | Lundberg Operating Corporation | 11 | 11 | 0 | 3 | Oct 12, 1992 | Aug 9, 2002 |
| 98 | Harkins & Company | 11 | 11 | 0 | 2 | Jun 6, 1977 | Jun 13, 1989 |
| 99 | Zinn Petroleum Co. | 11 | 11 | 0 | 2 | Nov 20, 1980 | Sep 1, 1999 |
| 100 | Cavalier Oil & Gas, Inc. | 11 | 11 | 0 | 1 | Jan 10, 2005 | Sep 12, 2006 |
| 101 | Lacy, F. B. Inc. | 11 | 11 | 0 | 1 | Aug 17, 1977 | Aug 29, 1986 |
| 102 | Union Texas Petroleum Corp. | 11 | 11 | 0 | 1 | Aug 19, 1981 | Jun 5, 1989 |
| 103 | Wadi Petroleum, Inc. | 11 | 11 | 0 | 1 | Mar 31, 1999 | Jul 22, 2016 |
| 104 | Andover Oil Company | 11 | 11 | 0 | 0 | Dec 23, 1980 | Sep 29, 1982 |
| 105 | Samson Resources Company | 10 | 10 | 0 | 12 | Mar 11, 1981 | May 24, 1984 |
| 106 | Lemarco Operating, Inc. | 10 | 10 | 0 | 4 | Nov 30, 1987 | Aug 11, 1992 |
| 107 | Southern Mineral Corporation | 10 | 10 | 0 | 1 | Nov 7, 1996 | Feb 18, 2000 |
| 108 | Barrier Resources,l.l.c. | 10 | 10 | 0 | 0 | Dec 16, 1996 | Oct 1, 1999 |
| 109 | Wynn-Crosby Energy, Inc. | 10 | 10 | 0 | 0 | Jun 7, 2000 | Sep 3, 2004 |
| 110 | Petra Oleum Corp. | 9 | 9 | 0 | 12 | Feb 12, 2003 | Nov 24, 2009 |
| 111 | Dewbre Petroleum Corporation | 9 | 9 | 0 | 9 | Jan 27, 2004 | Nov 17, 2020 |
| 112 | Mosbacher Energy Company | 9 | 9 | 0 | 7 | Dec 31, 1984 | Oct 1, 2009 |
| 113 | Chaparral Natural Resources,inc | 9 | 9 | 0 | 3 | Jan 23, 2003 | Feb 3, 2005 |
| 114 | Matzinger Petroleum Co | 9 | 9 | 0 | 2 | Feb 16, 1983 | Dec 10, 1985 |
| 115 | Esenjay Petroleum Corp. | 9 | 9 | 0 | 1 | Sep 27, 1980 | Oct 7, 1994 |
| 116 | Kebo Oil & Gas, Inc. | 8 | 8 | 0 | 13 | Dec 8, 1992 | Sep 4, 2008 |
| 117 | Diamond Operating, LLC | 8 | 8 | 0 | 4 | Sep 1, 2005 | Sep 8, 2006 |
| 118 | Howard Exploration, Inc. | 8 | 8 | 0 | 3 | Jul 23, 2003 | Nov 23, 2011 |
| 119 | T.D. Operating Company, Inc. | 8 | 8 | 0 | 2 | May 8, 1992 | May 17, 1994 |
| 120 | Fieldwood Onshore LLC | 8 | 8 | 0 | 1 | Aug 13, 2014 | Apr 13, 2016 |
| 121 | 1400 Corp | 8 | 8 | 0 | 0 | Dec 31, 1980 | May 25, 1982 |
| 122 | Geosouthern Energy Corporation | 8 | 8 | 8 | 0 | Feb 28, 2011 | Mar 25, 2014 |
| 123 | Sulpetro International, Ltd. | 8 | 8 | 0 | 0 | Aug 16, 1978 | Nov 2, 1979 |
| 124 | MB Energy, LLC | 7 | 7 | 0 | 10 | Mar 15, 2022 | Jan 13, 2026 |
| 125 | Whiting Oil and Gas Corporation | 7 | 7 | 2 | 7 | Mar 9, 2004 | Mar 30, 2007 |
| 126 | Property Producing Co. | 7 | 7 | 0 | 6 | Oct 9, 1992 | Jul 3, 2002 |
| 127 | Soundlogic Prod. & Explor., LLC. | 7 | 7 | 0 | 6 | Feb 24, 2005 | Nov 3, 2005 |
| 128 | Unit Petroleum Company | 7 | 7 | 2 | 6 | Apr 5, 2005 | Nov 9, 2018 |
| 129 | Osyka Producing Company, Inc. | 7 | 7 | 0 | 5 | Apr 5, 1996 | Aug 31, 1999 |
| 130 | Chaparral Energy, L.L.C. | 7 | 7 | 0 | 3 | Nov 24, 2004 | Apr 4, 2012 |
| 131 | Padon, Frank B. Oil Oper., Inc. | 7 | 7 | 0 | 3 | Nov 19, 1993 | May 22, 1996 |
| 132 | Peoples Energy Prod.-TX, L.P. | 7 | 7 | 0 | 3 | Feb 27, 2004 | Apr 30, 2007 |
| 133 | Luling Oil & Gas Company, Inc. | 7 | 7 | 0 | 2 | Aug 19, 1977 | Aug 2, 1978 |
| 134 | Tri-C Resources, Inc. | 7 | 7 | 0 | 2 | Oct 23, 1986 | Jul 27, 2006 |
| 135 | Horizon Exploration Company | 7 | 7 | 0 | 1 | Oct 15, 1998 | Jan 29, 2001 |
| 136 | Quintex Petroleum Corp. | 7 | 7 | 0 | 1 | Jul 25, 1980 | May 17, 1984 |
| 137 | Samedan Oil Corporation | 7 | 7 | 0 | 1 | Oct 30, 1979 | Mar 7, 1997 |
| 138 | Shanghai Energy Corporation | 7 | 7 | 0 | 0 | Sep 6, 1994 | Jul 14, 1997 |
| 139 | Coastal Plains Energy, Inc. | 6 | 6 | 0 | 21 | Oct 8, 1990 | Sep 1, 2005 |
| 140 | Hydrocarbon Operating, Inc. | 6 | 6 | 0 | 17 | Mar 13, 2019 | May 15, 2026 |
| 141 | Petro-Lewis Corporation | 6 | 6 | 0 | 5 | Feb 14, 1978 | Oct 8, 1982 |
| 142 | Royal Production Company, Inc. | 6 | 6 | 0 | 5 | Nov 15, 1993 | Jul 14, 2026 |
| 143 | Ken Petroleum Corporation | 6 | 6 | 0 | 3 | Oct 5, 1993 | Mar 18, 2010 |
| 144 | Lavaca River Operating Co., LLC | 6 | 6 | 0 | 3 | Dec 31, 2009 | Feb 2, 2015 |
| 145 | Parker & Parsley Development L.P | 6 | 6 | 0 | 3 | Feb 7, 1995 | Jun 18, 1996 |
| 146 | Daniel Oil Co. | 6 | 6 | 0 | 2 | Aug 2, 1977 | Oct 5, 1982 |
| 147 | Kilroy Company of Texas, Inc. | 6 | 6 | 0 | 2 | May 12, 1978 | Aug 10, 1982 |
| 148 | TDC Engineering, Inc. | 6 | 6 | 0 | 2 | Jul 30, 1997 | Jul 26, 2001 |
| 149 | Westport Oil and Gas Company, LP | 6 | 6 | 0 | 2 | Dec 9, 2003 | Jan 5, 2006 |
| 150 | Esenjay Operating, Inc. | 6 | 6 | 0 | 1 | Jul 27, 2005 | Feb 13, 2015 |
| 151 | Hou-Tex, Inc. | 6 | 6 | 0 | 1 | Dec 17, 1992 | Apr 23, 1997 |
| 152 | H & P Exploration Co. | 6 | 6 | 0 | 1 | May 22, 2012 | Jun 5, 2017 |
| 153 | Strand Energy, L.C. | 6 | 6 | 0 | 1 | Mar 3, 2004 | Dec 28, 2010 |
| 154 | Alta Mesa Services, LP | 6 | 6 | 0 | 0 | Aug 21, 2012 | Oct 16, 2015 |
| 155 | Cabot Oil & Gas Corporation | 6 | 6 | 0 | 0 | Dec 1, 1995 | Dec 10, 1998 |
| 156 | Highland Resources, Inc. | 6 | 6 | 0 | 0 | Nov 7, 1977 | Nov 6, 1984 |
| 157 | Kelsey, Henry B. | 6 | 6 | 0 | 0 | Dec 13, 1977 | Jan 16, 1978 |
| 158 | Perkins Oil Company | 6 | 6 | 0 | 0 | Mar 21, 1978 | Dec 28, 1979 |
| 159 | Sabine Oil & Gas LLC | 6 | 6 | 6 | 0 | Jul 26, 2012 | Mar 20, 2014 |
| 160 | Saxet Energy, Ltd. | 6 | 6 | 0 | 0 | Nov 13, 1998 | Nov 29, 2000 |
| 161 | Sulphur River Exploration, Inc. | 6 | 6 | 0 | 0 | Jun 5, 2017 | Jul 3, 2019 |
| 162 | Westhall Associates, Inc. | 6 | 6 | 0 | 0 | Apr 13, 1990 | May 8, 1991 |
| 163 | Zachry Exploration, Inc. | 6 | 6 | 0 | 0 | Dec 19, 1995 | Sep 30, 1997 |
| 164 | Colt Resources Corporation | 5 | 5 | 0 | 19 | Apr 14, 1998 | Dec 28, 1998 |
| 165 | Matrix Petroleum, LLC | 5 | 5 | 5 | 12 | Jun 16, 2022 | Aug 27, 2024 |
| 166 | Damson Oil Corp. | 5 | 5 | 0 | 8 | Dec 10, 1981 | Jan 26, 1984 |
| 167 | Crimson Exploration Oper., Inc. | 5 | 5 | 0 | 6 | Apr 14, 2008 | Feb 25, 2013 |
| 168 | Marquee Corporation | 5 | 5 | 0 | 6 | Jan 23, 1995 | Dec 18, 2014 |
| 169 | Petrovybe Opco LLC | 5 | 5 | 0 | 6 | Mar 13, 2024 | Mar 18, 2026 |
| 170 | Eei Operating Inc. | 5 | 5 | 0 | 5 | Sep 6, 2007 | Nov 16, 2007 |
| 171 | Rincon Petroleum Corporation | 5 | 5 | 0 | 5 | Aug 11, 2004 | Nov 4, 2013 |
| 172 | Rollum Co. | 5 | 5 | 0 | 4 | Jul 20, 1977 | Oct 20, 1983 |
| 173 | Ammonite Energy Texas, Inc. | 5 | 5 | 0 | 3 | Apr 9, 1996 | Aug 22, 1997 |
| 174 | Goodrich Operating Co., Inc. | 5 | 5 | 0 | 3 | Sep 23, 1977 | Apr 8, 1994 |
| 175 | Pacific Enterprises Oil Co.(usa) | 5 | 5 | 0 | 3 | Aug 11, 1989 | Nov 14, 1990 |
| 176 | Sue-Ann Production Company | 5 | 5 | 0 | 3 | Mar 26, 1990 | May 3, 1996 |
| 177 | Cox & Perkins Exploration, Inc. | 5 | 5 | 0 | 2 | Dec 8, 2007 | Aug 13, 2008 |
| 178 | Evans, Julian | 5 | 5 | 0 | 2 | Jul 19, 1977 | Aug 20, 1982 |
| 179 | Inland Ocean, Inc. | 5 | 5 | 0 | 2 | Mar 26, 2013 | Apr 16, 2021 |
| 180 | Ladd Petroleum Corp. | 5 | 5 | 0 | 2 | Jan 16, 1978 | Oct 21, 1985 |
| 181 | Milagro Exploration, LLC | 5 | 5 | 0 | 2 | Oct 9, 2006 | May 15, 2012 |
| 182 | Rana Energy Company | 5 | 5 | 0 | 2 | Jan 14, 1991 | Jul 10, 1992 |
| 183 | Santa FE-Andover Oil Company | 5 | 5 | 0 | 2 | Aug 13, 1982 | Aug 2, 1989 |
| 184 | Tamarack Petroleum Company, Inc. | 5 | 5 | 0 | 2 | Sep 20, 1995 | May 12, 1998 |
| 185 | Barth Energy Corp. | 5 | 5 | 0 | 1 | Dec 12, 1978 | Mar 10, 1980 |
| 186 | B J B Exploration Company | 5 | 5 | 0 | 1 | May 9, 1983 | Feb 27, 1990 |
| 187 | Geonatural Resources, Inc. | 5 | 5 | 0 | 1 | Feb 12, 2002 | Aug 23, 2002 |
| 188 | Hawkins, H. L., Jr. | 5 | 5 | 0 | 1 | Nov 10, 1977 | Sep 4, 1984 |
| 189 | Home Petroleum Corporation | 5 | 5 | 0 | 1 | May 20, 1981 | May 15, 1986 |
| 190 | Rise Petroleum Investments LLC | 5 | 5 | 0 | 1 | Apr 14, 2021 | Aug 11, 2021 |
| 191 | Sandridge Expl. and Prod., LLC | 5 | 5 | 0 | 1 | Sep 22, 2009 | Apr 11, 2012 |
| 192 | Shoreham Oil & Gas Company, Inc. | 5 | 5 | 0 | 1 | Dec 12, 1995 | Feb 12, 2004 |
| 193 | Zaza Energy, LLC | 5 | 5 | 5 | 1 | Jan 27, 2011 | Jun 27, 2011 |
| 194 | Armour Resource Holdings, Ltd. | 5 | 5 | 0 | 0 | Apr 30, 1992 | Jun 15, 1994 |
| 195 | Cox, Edwin L. & Cox, Berry R. | 5 | 5 | 0 | 0 | Aug 21, 1981 | Oct 15, 1985 |
| 196 | Lomak Production Company | 5 | 5 | 0 | 0 | Jan 15, 1997 | Jan 9, 1998 |
| 197 | Petrosil Exploration, Inc. | 5 | 5 | 0 | 0 | Jan 15, 1980 | Sep 4, 1980 |
| 198 | Richards Producing Company | 5 | 5 | 0 | 0 | Feb 2, 1983 | Dec 21, 1984 |
| 199 | Sev Texas Operating, LLC | 5 | 5 | 0 | 0 | Oct 3, 2011 | May 22, 2012 |
| 200 | Vitol Resources, Inc. | 5 | 5 | 0 | 0 | Jan 10, 1978 | May 25, 1979 |
| 201 | Sue-Ann Operating, L.C. | 4 | 4 | 0 | 7 | Apr 4, 2003 | Feb 17, 2010 |
| 202 | Southern Oil & Gas Co, Ltd. | 4 | 4 | 0 | 6 | Jul 20, 1977 | Aug 26, 1977 |
| 203 | KA-Hugh International, Inc. | 4 | 4 | 0 | 5 | Jun 15, 1977 | Nov 23, 1981 |
| 204 | Camoil, Inc. | 4 | 4 | 0 | 4 | Jun 20, 2003 | Jun 3, 2004 |
| 205 | Delta-Gulf, Inc. | 4 | 4 | 0 | 4 | Aug 25, 1977 | Mar 12, 1982 |
| 206 | Ballard Exploration Company,inc. | 4 | 4 | 0 | 3 | May 24, 2012 | Jun 10, 2014 |
| 207 | Baxter, Murphy H. | 4 | 4 | 0 | 3 | May 27, 1981 | May 18, 1995 |
| 208 | Everest Resource Company | 4 | 4 | 0 | 3 | Jun 17, 2004 | May 2, 2006 |
| 209 | Graham Royalty, Ltd. | 4 | 4 | 0 | 3 | Aug 23, 1990 | Apr 27, 1993 |
| 210 | Hurd Enterprises, Ltd. | 4 | 4 | 0 | 3 | Feb 21, 2018 | Apr 24, 2024 |
| 211 | Matrix Production Company | 4 | 4 | 0 | 3 | Jul 1, 1996 | Oct 23, 1997 |
| 212 | Bridge Oil Production Co., Inc. | 4 | 4 | 0 | 2 | Feb 12, 1991 | Mar 16, 1993 |
| 213 | Coho Resources Inc. | 4 | 4 | 0 | 2 | Dec 29, 1980 | Apr 29, 1983 |
| 214 | Entex Petr., Inc. | 4 | 4 | 0 | 2 | Nov 7, 1977 | Apr 16, 1985 |
| 215 | Mobil Oil Corporation | 4 | 4 | 0 | 2 | Mar 19, 1979 | Mar 19, 1979 |
| 216 | Redhawk Operating, LLC | 4 | 4 | 4 | 2 | Mar 12, 2025 | Sep 16, 2025 |
| 217 | Sun Expl. & Prod. Co.-Corpus | 4 | 4 | 0 | 2 | Jan 30, 1979 | Jul 1, 1985 |
| 218 | Victoria Operating, Inc. | 4 | 4 | 0 | 2 | May 29, 1985 | May 6, 1988 |
| 219 | Axem Resources Incorporated | 4 | 4 | 0 | 1 | Jan 17, 1985 | Dec 4, 1986 |
| 220 | Calpine Natural Gas Company | 4 | 4 | 0 | 1 | Sep 21, 2000 | May 16, 2001 |
| 221 | Camden Resources, Inc. | 4 | 4 | 0 | 1 | May 8, 2001 | Dec 8, 2005 |
| 222 | Jamex, Inc. | 4 | 4 | 0 | 1 | Jun 28, 2006 | Jun 20, 2016 |
| 223 | J.R. Oil and Gas Inc. | 4 | 4 | 0 | 1 | May 6, 1997 | Jan 26, 2001 |
| 224 | Jud,l.c. | 4 | 4 | 0 | 1 | Dec 22, 1999 | Mar 15, 2002 |
| 225 | Magnum Producing & Operating Co. | 4 | 4 | 0 | 1 | Oct 26, 2000 | Aug 14, 2001 |
| 226 | Sabco Operating Company, LLC | 4 | 4 | 0 | 1 | Nov 26, 2013 | Dec 2, 2013 |
| 227 | United Texas Petroleum Inc. | 4 | 4 | 0 | 1 | Jun 5, 2001 | Apr 2, 2002 |
| 228 | Weiser-Brown Operating Company | 4 | 4 | 0 | 1 | Oct 8, 2007 | Dec 23, 2008 |
| 229 | Yuma Petroleum Company | 4 | 4 | 0 | 1 | Jun 8, 1994 | Oct 5, 1995 |
| 230 | 1988 Indexgeo JV | 4 | 4 | 0 | 0 | Jan 18, 1990 | Sep 12, 1991 |
| 231 | Cactus Petroleum Corporation | 4 | 4 | 0 | 0 | May 3, 1995 | Jan 8, 1996 |
| 232 | Cimarex Energy Co. | 4 | 4 | 2 | 0 | Jun 30, 2006 | May 23, 2008 |
| 233 | Denali Oil & Gas Management, LLC | 4 | 4 | 0 | 0 | Sep 4, 2003 | Jul 26, 2010 |
| 234 | Eads Operating Co. | 4 | 4 | 0 | 0 | Mar 5, 1982 | Feb 21, 1986 |
| 235 | Gcea, LLC | 4 | 4 | 0 | 0 | Aug 16, 2001 | Nov 19, 2002 |
| 236 | Gruy Petroleum Management Co. | 4 | 4 | 0 | 0 | Jan 13, 2003 | Apr 19, 2004 |
| 237 | Kerns O & G, Inc. | 4 | 4 | 0 | 0 | Apr 25, 2001 | May 8, 2002 |
| 238 | Kerr-McGee Oil & Gas Onshore LP | 4 | 4 | 0 | 0 | Jan 21, 2005 | May 18, 2006 |
| 239 | Klotzman, M. S. Exploration | 4 | 4 | 0 | 0 | Nov 12, 1982 | Aug 22, 1986 |
| 240 | Margo, Inc. | 4 | 4 | 0 | 0 | Dec 19, 1978 | Jul 24, 1980 |
| 241 | Pecos Petroleum Company | 4 | 4 | 0 | 0 | May 12, 1993 | Feb 21, 1997 |
| 242 | Phillips, A. O. Oil Co. | 4 | 4 | 0 | 0 | Mar 13, 1979 | Nov 7, 1980 |
| 243 | Standard Oil Production Company | 4 | 4 | 0 | 0 | Dec 31, 1985 | Jul 29, 1988 |
| 244 | Tensas Delta Explo. Co., LLC | 4 | 4 | 0 | 0 | Feb 6, 2009 | Mar 21, 2011 |
| 245 | Texas Crude Energy, Inc. | 4 | 4 | 0 | 0 | Jun 5, 2003 | Jan 24, 2006 |
| 246 | Hawkins, H. L. & H. L., Jr. | 3 | 3 | 0 | 13 | Jun 13, 1977 | Apr 19, 1989 |
| 247 | Brown, J. K. Inc. | 3 | 3 | 0 | 7 | Sep 13, 2000 | Mar 30, 2001 |
| 248 | Brown, Geo. R Partnership,lp,the | 3 | 3 | 0 | 6 | Aug 26, 2004 | Nov 19, 2010 |
| 249 | Valence Operating Company | 3 | 3 | 0 | 6 | Mar 30, 2004 | Jul 16, 2009 |
| 250 | Viper S.W.D., LLC | 3 | 3 | 0 | 4 | Jun 27, 2017 | Sep 18, 2017 |
| 251 | Bse Production Co. | 3 | 3 | 0 | 3 | Aug 24, 1987 | Feb 5, 2010 |
| 252 | Crawford Hughes Operating Co. | 3 | 3 | 0 | 3 | May 28, 2010 | Jun 24, 2011 |
| 253 | Geosouthern Operating II, LLC | 3 | 3 | 0 | 3 | Oct 8, 2014 | Jan 9, 2017 |
| 254 | Lewis Petro Properties, Inc. | 3 | 3 | 0 | 3 | Oct 27, 2006 | Jun 18, 2010 |
| 255 | Square Mile Energy, L.L.C. | 3 | 3 | 0 | 3 | Aug 20, 2013 | Jun 27, 2022 |
| 256 | Tidal Petroleum, Inc. | 3 | 3 | 3 | 3 | Nov 7, 2013 | Oct 24, 2014 |
| 257 | Zachry Exploration, LLC | 3 | 3 | 0 | 3 | Nov 4, 2011 | Jun 22, 2017 |
| 258 | Double Play Oil & Gas, Inc | 3 | 3 | 0 | 2 | Mar 23, 2007 | Oct 21, 2008 |
| 259 | Dynamic Production, Inc. | 3 | 3 | 0 | 2 | Aug 5, 2004 | May 9, 2008 |
| 260 | European-Southwest Co. | 3 | 3 | 0 | 2 | Mar 7, 1984 | Dec 9, 1987 |
| 261 | Gasper Rice Resources, Ltd. | 3 | 3 | 0 | 2 | Mar 27, 2002 | Apr 5, 2005 |
| 262 | Hankamer, Curtis Corporation,the | 3 | 3 | 0 | 2 | Jun 1, 1983 | Mar 12, 1984 |
| 263 | Lavaca Canyon Petroleum LLC | 3 | 3 | 0 | 2 | Aug 23, 2018 | Oct 9, 2019 |
| 264 | MK Oil and Gas, Inc. | 3 | 3 | 0 | 2 | Mar 24, 1978 | Jun 8, 1978 |
| 265 | Oil Lease Operating Co. | 3 | 3 | 0 | 2 | Dec 5, 1983 | Mar 19, 1984 |
| 266 | Texaco Producing Inc. | 3 | 3 | 0 | 2 | Jul 20, 1984 | Aug 11, 1987 |
| 267 | Alyana Energy Corporation | 3 | 3 | 0 | 1 | Jun 23, 1992 | Apr 12, 1993 |
| 268 | Ashland Exploration, Inc. | 3 | 3 | 0 | 1 | Sep 26, 1984 | Feb 18, 1985 |
| 269 | Auburn Enterprises, Inc. | 3 | 3 | 0 | 1 | Oct 3, 1985 | Feb 15, 1994 |
| 270 | Catlett, E. G. | 3 | 3 | 0 | 1 | Oct 20, 1982 | Sep 26, 1984 |
| 271 | Christeve Oil Company, Inc. | 3 | 3 | 0 | 1 | May 18, 2000 | Aug 6, 2001 |
| 272 | Coastal Expl. & Dev. Corp. | 3 | 3 | 0 | 1 | Dec 29, 2000 | Jun 14, 2001 |
| 273 | Dyco Petroleum Corporation | 3 | 3 | 0 | 1 | Jan 31, 1978 | Jan 13, 1989 |
| 274 | Eex Operating, L.P. | 3 | 3 | 0 | 1 | Nov 13, 2001 | Apr 19, 2002 |
| 275 | Geiser Operating, Inc. | 3 | 3 | 0 | 1 | Dec 1, 2010 | Oct 11, 2013 |
| 276 | Great Texas Crude Inc. | 3 | 3 | 0 | 1 | Oct 14, 1999 | Mar 4, 2004 |
| 277 | Milestone Petroleum Inc. | 3 | 3 | 0 | 1 | Mar 21, 1983 | Nov 22, 1983 |
| 278 | Vaquero Petr. Co. | 3 | 3 | 0 | 1 | Dec 15, 1977 | Apr 25, 1980 |
| 279 | Abraxas Petroleum Corporation | 3 | 3 | 3 | 0 | Feb 16, 2000 | Jan 4, 2008 |
| 280 | Ada Oil Exploration Corp. | 3 | 3 | 0 | 0 | Mar 20, 1979 | Mar 24, 1980 |
| 281 | Begeman, Robert L. Inc. | 3 | 3 | 0 | 0 | Jan 29, 1982 | May 1, 1984 |
| 282 | Bell, Kelly Estate Of | 3 | 3 | 0 | 0 | Aug 31, 1993 | Nov 15, 1993 |
| 283 | Catlett & Ferguson | 3 | 3 | 0 | 0 | Aug 25, 1977 | Mar 28, 1978 |
| 284 | Civego, Inc. | 3 | 3 | 0 | 0 | Nov 6, 1984 | May 22, 1985 |
| 285 | Columbia Gas Development Corp. | 3 | 3 | 0 | 0 | Nov 2, 1990 | Apr 6, 1992 |
| 286 | CPC Exploration Inc. | 3 | 3 | 0 | 0 | Sep 20, 1983 | Mar 19, 1985 |
| 287 | Guest & Wolfson Co. | 3 | 3 | 0 | 0 | Jun 9, 1977 | Jun 6, 1978 |
| 288 | Harwood Exploration, Inc. | 3 | 3 | 0 | 0 | May 9, 1985 | Oct 17, 1985 |
| 289 | Hazelett Oil Company, Inc. | 3 | 3 | 0 | 0 | Aug 9, 2002 | Jan 8, 2003 |
| 290 | Ipact | 3 | 3 | 0 | 0 | Mar 10, 2004 | Mar 14, 2006 |
| 291 | Jackson Energy Development, Inc. | 3 | 3 | 0 | 0 | Jul 27, 1993 | Aug 4, 1995 |
| 292 | Ken-Kan, Inc. | 3 | 3 | 0 | 0 | Oct 26, 1977 | Mar 23, 1982 |
| 293 | Lemarco, Ltd. | 3 | 3 | 0 | 0 | Oct 15, 1986 | Oct 20, 1986 |
| 294 | Lone Star Exploration Corp. | 3 | 3 | 0 | 0 | Aug 11, 1983 | Jun 4, 1984 |
| 295 | Matzinger Exploration Co. | 3 | 3 | 0 | 0 | Apr 2, 1980 | Jun 18, 1981 |
| 296 | NFR Energy, LLC | 3 | 3 | 3 | 0 | Mar 14, 2012 | Oct 9, 2012 |
| 297 | Oil Country Explor. & Rec., Inc. | 3 | 3 | 0 | 0 | Sep 30, 1977 | Jan 12, 1978 |
| 298 | O'Sullivan Oil & Gas Co., Inc. | 3 | 3 | 0 | 0 | May 15, 1997 | Nov 3, 1999 |
| 299 | Parker & Parsley Development Co. | 3 | 3 | 0 | 0 | May 5, 1994 | Aug 15, 1994 |
| 300 | Parker & Parsley Petroleum Co. | 3 | 3 | 0 | 0 | Jul 31, 1989 | Sep 6, 1989 |
870 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE