Concho 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 | Leclair Operating Co., Inc. | 146 | 146 | 0 | 22 | Jul 14, 1994 | Jul 23, 2008 |
| 2 | Quintx Exploration, Inc. | 110 | 110 | 0 | 8 | Mar 1, 1985 | Nov 5, 2007 |
| 3 | Paint Rock Operating, LLC | 89 | 89 | 0 | 15 | Jul 20, 2005 | Apr 21, 2011 |
| 4 | Sullivan, Hollis R. Inc. | 74 | 74 | 0 | 10 | Apr 17, 1990 | Oct 10, 2001 |
| 5 | Marshall & Winston, Inc. | 71 | 71 | 0 | 13 | Jun 18, 1984 | Jul 8, 1997 |
| 6 | Wiser Oil Company, The | 67 | 67 | 0 | 0 | Jul 19, 1989 | Apr 8, 1994 |
| 7 | Ultra Oil & Gas, Inc. | 60 | 60 | 0 | 3 | Apr 23, 1996 | Jan 21, 2010 |
| 8 | Bowerman Oil & Gas, Inc. | 58 | 58 | 0 | 31 | Nov 20, 1987 | Oct 18, 2004 |
| 9 | Pickens Company, Inc., The | 58 | 58 | 0 | 2 | Jul 28, 1983 | Aug 3, 2005 |
| 10 | Guffey, Wm. R. | 52 | 52 | 0 | 0 | Feb 13, 1995 | Mar 25, 2015 |
| 11 | SRG Oil Corporation | 52 | 52 | 0 | 0 | Nov 9, 1989 | Oct 11, 1993 |
| 12 | Bowerman Energy Company | 32 | 32 | 0 | 9 | Jun 8, 1995 | Dec 17, 2004 |
| 13 | McCammon Oil & Gas, Inc. | 32 | 32 | 0 | 4 | May 9, 1990 | Nov 8, 2013 |
| 14 | Bentley & Laing | 31 | 31 | 0 | 2 | Mar 10, 1989 | May 19, 1992 |
| 15 | Tucker Drilling Company, Inc. | 26 | 26 | 0 | 7 | May 29, 1980 | Aug 15, 1991 |
| 16 | Lillis, Michael D. | 24 | 24 | 0 | 11 | Mar 28, 2000 | Aug 3, 2011 |
| 17 | Davis Oil Company | 23 | 23 | 0 | 1 | Jul 9, 1981 | Jun 7, 1984 |
| 18 | Stream Energy, Inc. | 21 | 21 | 0 | 0 | Jan 9, 1986 | Jun 14, 1988 |
| 19 | Verdad Oil & Gas Corporation | 18 | 18 | 0 | 2 | Nov 6, 1990 | Jul 6, 1994 |
| 20 | Sedona Oil & Gas Corp. | 18 | 18 | 0 | 0 | Aug 22, 1994 | Mar 26, 2002 |
| 21 | Daubert Operating. L.L.C. | 17 | 17 | 0 | 6 | Apr 19, 2000 | Jan 15, 2003 |
| 22 | Bussey, Joe F. | 16 | 16 | 0 | 1 | Jun 26, 1978 | Jul 24, 1997 |
| 23 | Osborn Heirs Company | 16 | 16 | 0 | 1 | Feb 14, 1991 | Oct 23, 1995 |
| 24 | Texas Concho, Inc. | 16 | 16 | 0 | 0 | Feb 20, 1985 | Dec 15, 1986 |
| 25 | Bowerman Investments Inc. | 15 | 15 | 0 | 13 | Jun 3, 2009 | May 16, 2022 |
| 26 | McBay Operating Co. | 15 | 15 | 0 | 0 | Feb 28, 1980 | Feb 25, 1981 |
| 27 | Jasper Energy, Incorporated | 14 | 14 | 0 | 5 | Aug 26, 2005 | Oct 10, 2012 |
| 28 | 3-M Energy Corporation | 14 | 14 | 0 | 0 | Oct 23, 1984 | Feb 22, 2008 |
| 29 | D'abre Oil | 14 | 14 | 0 | 0 | Oct 5, 1981 | Dec 20, 1988 |
| 30 | McBay Oil & Gas, Inc. | 14 | 14 | 0 | 0 | Nov 19, 1980 | Mar 9, 1983 |
| 31 | Norman Oil Corporation | 14 | 14 | 0 | 0 | Sep 29, 1993 | Oct 14, 1999 |
| 32 | Stephens & Johnson Operating Co. | 13 | 13 | 0 | 6 | Jun 12, 1995 | Nov 2, 2000 |
| 33 | Bridwell Oil Co. | 13 | 13 | 0 | 3 | Aug 18, 1989 | Dec 5, 1994 |
| 34 | Flag Energy, LLC | 13 | 13 | 0 | 2 | Sep 20, 2010 | Jul 19, 2017 |
| 35 | Kingery, Johnny | 13 | 13 | 0 | 2 | Nov 22, 1989 | Dec 31, 1996 |
| 36 | HW Operating, LLC | 12 | 12 | 0 | 8 | Sep 14, 2017 | Sep 18, 2023 |
| 37 | Bettis, Boyle & Stovall | 12 | 12 | 0 | 4 | Dec 16, 1982 | Sep 16, 2011 |
| 38 | Mercury Operating, LLC | 12 | 12 | 0 | 0 | Aug 31, 2015 | Mar 28, 2018 |
| 39 | Marata Oil & Gas Company | 11 | 11 | 0 | 4 | Sep 3, 1991 | Nov 12, 1992 |
| 40 | Star Production, Inc. | 11 | 11 | 0 | 4 | Feb 7, 2006 | Jun 7, 2008 |
| 41 | Mercury Exploration Co. | 11 | 11 | 0 | 3 | Dec 12, 1983 | Sep 14, 1988 |
| 42 | Edammer, Inc. | 11 | 11 | 0 | 0 | May 24, 1985 | Nov 2, 1988 |
| 43 | Bowerman Exploration, Inc. | 10 | 10 | 0 | 6 | Apr 10, 2003 | Oct 8, 2008 |
| 44 | Petro-West Corporation | 10 | 10 | 0 | 1 | Jun 26, 1987 | Oct 6, 1998 |
| 45 | Carr Exploration Corp. | 10 | 10 | 0 | 0 | Nov 17, 1987 | Jan 25, 1990 |
| 46 | Marianas Operating Co. | 9 | 9 | 0 | 4 | Sep 21, 1981 | May 12, 1988 |
| 47 | Cass Energy Corp | 9 | 9 | 0 | 2 | Jul 29, 1991 | Mar 30, 1993 |
| 48 | CTX Energy Corporation | 9 | 9 | 0 | 2 | Jan 15, 1993 | Aug 4, 1997 |
| 49 | Klabzuba, Robert | 9 | 9 | 0 | 2 | Jan 29, 1979 | Feb 28, 1984 |
| 50 | Cag Exploration, Inc. | 9 | 9 | 0 | 0 | Jul 1, 1988 | Jul 12, 1991 |
| 51 | Husky Oil Company | 9 | 9 | 0 | 0 | Aug 24, 1982 | Dec 30, 1983 |
| 52 | Sojourner Drlg. Corp. | 9 | 9 | 0 | 0 | May 2, 1984 | Aug 10, 1987 |
| 53 | Geosurveys, Inc. | 8 | 8 | 0 | 8 | Aug 18, 1995 | Oct 8, 2014 |
| 54 | B & G Energy Corporation | 8 | 8 | 0 | 2 | Nov 17, 1981 | Aug 30, 2006 |
| 55 | Kinlaw Oil Corporation | 8 | 8 | 0 | 0 | Apr 5, 1988 | Nov 30, 1989 |
| 56 | Swartz Oil Company | 8 | 8 | 0 | 0 | Jul 15, 2003 | Aug 16, 2006 |
| 57 | Nitram Oil and Gas Inc. | 7 | 7 | 0 | 7 | Sep 10, 2002 | Feb 2, 2004 |
| 58 | Horizon Exploration Services | 7 | 7 | 0 | 4 | Dec 15, 2004 | Nov 15, 2007 |
| 59 | Petrolero Exploration, Inc. | 7 | 7 | 0 | 3 | Feb 5, 1980 | Dec 14, 1981 |
| 60 | Hobbs Energy Corporation | 7 | 7 | 0 | 1 | Apr 23, 1996 | Jan 20, 2000 |
| 61 | Sierra Exploration Co. | 7 | 7 | 0 | 1 | May 15, 1980 | Aug 31, 1984 |
| 62 | Southern Union Exploration Co. | 7 | 7 | 0 | 1 | Nov 16, 1978 | Dec 5, 1984 |
| 63 | Carter, Roy L. | 7 | 7 | 0 | 0 | Jul 21, 1977 | Aug 14, 1979 |
| 64 | Daubert Oil & Gas Co. | 7 | 7 | 0 | 0 | Jun 14, 1993 | Apr 1, 1999 |
| 65 | Elco Oil & Gas | 7 | 7 | 0 | 0 | Jul 17, 1990 | Dec 4, 1997 |
| 66 | Lucero Oil and Gas, Inc. | 7 | 7 | 0 | 0 | Apr 16, 1985 | Jul 28, 1987 |
| 67 | Universal Mineral Corp. | 7 | 7 | 0 | 0 | Aug 4, 1977 | Apr 5, 1978 |
| 68 | WTG Exploration, Inc. | 7 | 7 | 0 | 0 | May 2, 1985 | Jan 22, 1987 |
| 69 | MWJ Producing Company | 6 | 6 | 0 | 10 | Dec 3, 1979 | Jun 5, 1989 |
| 70 | Plano Petroleum Corporation | 6 | 6 | 0 | 5 | Apr 28, 1987 | May 22, 1997 |
| 71 | Leede Oil & Gas Inc. | 6 | 6 | 0 | 3 | Jun 16, 1978 | Mar 19, 1980 |
| 72 | W.R. Guffey LLC | 6 | 6 | 0 | 3 | Dec 28, 2015 | Oct 30, 2019 |
| 73 | Antle Operating, Inc. | 6 | 6 | 0 | 1 | Nov 10, 2011 | Dec 5, 2013 |
| 74 | El Paso Oil Investment Inc. | 6 | 6 | 0 | 1 | Apr 24, 1984 | Nov 1, 1984 |
| 75 | Aries Exploration Co., Inc. | 6 | 6 | 0 | 0 | Apr 26, 1984 | May 19, 1986 |
| 76 | Carlton Drilling Company | 6 | 6 | 0 | 0 | Jun 30, 1980 | Nov 12, 1981 |
| 77 | Concho Operating Co. | 6 | 6 | 0 | 0 | Jun 28, 1982 | Sep 15, 1983 |
| 78 | F.H.O.R. Oil Company | 6 | 6 | 0 | 0 | Nov 3, 1981 | Aug 6, 1982 |
| 79 | Lynx Oil Co., Inc. | 6 | 6 | 0 | 0 | Dec 11, 1986 | Sep 14, 1987 |
| 80 | Southern Union Expl Co of Tex | 6 | 6 | 0 | 0 | May 26, 1978 | Sep 13, 1983 |
| 81 | Spicer Oil | 6 | 6 | 0 | 0 | Oct 20, 1986 | Feb 16, 1990 |
| 82 | WJC, Inc. | 6 | 6 | 0 | 0 | Oct 11, 1983 | Apr 10, 1985 |
| 83 | Concho Oilfield Serv & Oper Co. | 5 | 5 | 0 | 66 | Dec 30, 1997 | Oct 3, 2014 |
| 84 | Hellifino Operating, LLC | 5 | 5 | 0 | 23 | Aug 15, 2018 | Oct 26, 2018 |
| 85 | Circle Ridge Production, Inc. | 5 | 5 | 0 | 4 | Feb 20, 1985 | Jan 7, 1988 |
| 86 | Lacy, R., Inc. | 5 | 5 | 0 | 2 | Aug 28, 1981 | Mar 9, 1982 |
| 87 | North American Exploration Co. | 5 | 5 | 0 | 2 | Jun 30, 1977 | Aug 10, 1981 |
| 88 | Burns Operating | 5 | 5 | 0 | 1 | Jan 23, 1991 | Mar 18, 1992 |
| 89 | H & R Oils, Inc. | 5 | 5 | 0 | 1 | Sep 9, 1985 | May 11, 1989 |
| 90 | Western Reserves Oil Company Inc | 5 | 5 | 0 | 1 | Aug 21, 1995 | Jun 10, 1997 |
| 91 | Frey & Odom Energy Devlpmt, Inc. | 5 | 5 | 0 | 0 | Dec 16, 1982 | Mar 9, 1984 |
| 92 | Halvey Energy Co. | 5 | 5 | 0 | 0 | Dec 5, 1980 | Mar 2, 2004 |
| 93 | Ryder Scott Oil Co. | 5 | 5 | 0 | 0 | Sep 11, 1990 | Apr 8, 1991 |
| 94 | Sunbelt Exploration, Inc. | 5 | 5 | 0 | 0 | Aug 24, 1981 | Apr 23, 1982 |
| 95 | Texas American Oil Corp. | 5 | 5 | 0 | 0 | Aug 11, 1977 | Mar 8, 1985 |
| 96 | Waggoner-Baldridge Oper. Co, Inc | 5 | 5 | 0 | 0 | Dec 13, 1988 | Feb 20, 1990 |
| 97 | Wilkins Operating Co. | 5 | 5 | 0 | 0 | Dec 12, 1979 | Jan 18, 1984 |
| 98 | Cazar Energy Inc | 4 | 4 | 0 | 60 | May 2, 2011 | May 28, 2013 |
| 99 | Sequoia Fossil Fuels, Inc. | 4 | 4 | 0 | 6 | Mar 18, 1987 | Jan 3, 1992 |
| 100 | Purvis, J. H. | 4 | 4 | 0 | 4 | Jun 4, 1979 | Jan 31, 1985 |
| 101 | Blair Operating Company | 4 | 4 | 0 | 1 | Apr 28, 1983 | Nov 7, 1983 |
| 102 | Hexagon Oil and Gas Inc. | 4 | 4 | 0 | 1 | Nov 25, 1986 | Sep 16, 1992 |
| 103 | Janlo Operating | 4 | 4 | 0 | 1 | Dec 17, 1987 | Jun 28, 1991 |
| 104 | Nevtex Petroleum Incorporated | 4 | 4 | 0 | 1 | Dec 5, 1989 | Aug 27, 1990 |
| 105 | Nosivad Oil, Inc. | 4 | 4 | 0 | 1 | Sep 14, 1990 | May 13, 1992 |
| 106 | Western Pride Resources, Inc. | 4 | 4 | 0 | 1 | Dec 7, 1990 | Nov 23, 1992 |
| 107 | Amerind Oil Company, Ltd. | 4 | 4 | 0 | 0 | Mar 28, 1990 | Mar 30, 1990 |
| 108 | Brooks, R. W. Inc. | 4 | 4 | 0 | 0 | Sep 22, 1987 | Jul 11, 1988 |
| 109 | Dbo Oil Incorporated | 4 | 4 | 0 | 0 | Oct 1, 2002 | Jul 30, 2004 |
| 110 | Delray Oil, Inc. | 4 | 4 | 0 | 0 | May 19, 1989 | May 4, 2000 |
| 111 | Dove Exploration, Inc. | 4 | 4 | 0 | 0 | May 22, 1996 | Apr 29, 1998 |
| 112 | Enrich Oil Corporation | 4 | 4 | 0 | 0 | Oct 12, 1984 | May 31, 2005 |
| 113 | Ham-Mar Petroleum | 4 | 4 | 0 | 0 | Jun 24, 1992 | Sep 25, 1992 |
| 114 | Harvest Petroleum Inc. | 4 | 4 | 0 | 0 | Aug 1, 2025 | Aug 1, 2025 |
| 115 | Kejo Resources, Inc. | 4 | 4 | 0 | 0 | May 24, 1984 | Nov 13, 1984 |
| 116 | Marathon Oil Company | 4 | 4 | 0 | 0 | Dec 8, 1986 | Dec 1, 1988 |
| 117 | Mid-Texas Energy, Inc. | 4 | 4 | 0 | 0 | Dec 9, 1981 | Dec 16, 1981 |
| 118 | Sunbelt Oilfield Services, Inc. | 4 | 4 | 0 | 0 | Sep 21, 1981 | Jul 13, 1982 |
| 119 | J & J Services Company | 3 | 3 | 0 | 27 | Mar 3, 2005 | Aug 12, 2011 |
| 120 | Fisher-Webb, Inc. | 3 | 3 | 0 | 9 | Jul 13, 1977 | Aug 22, 1977 |
| 121 | Sun Expl. & Prod. Co.-Abilene | 3 | 3 | 0 | 4 | Aug 7, 1980 | May 18, 1984 |
| 122 | Crown Petroleum Corp. | 3 | 3 | 0 | 2 | Jun 23, 2011 | Jul 1, 2013 |
| 123 | Daniel Explorations Inc. | 3 | 3 | 0 | 2 | Feb 19, 1988 | Nov 4, 1997 |
| 124 | Desana Corporation, The | 3 | 3 | 0 | 1 | Jan 21, 1980 | May 22, 1980 |
| 125 | Diamark Energy Corp. | 3 | 3 | 0 | 1 | May 30, 1980 | Jul 22, 1982 |
| 126 | Greer, J. H. | 3 | 3 | 0 | 1 | Oct 11, 1984 | Jun 14, 1985 |
| 127 | Henry Petroleum Corp. | 3 | 3 | 0 | 1 | Jul 24, 1985 | Oct 28, 1997 |
| 128 | North Central Oil Corp. | 3 | 3 | 0 | 1 | Dec 10, 1982 | Jan 27, 1983 |
| 129 | Riley Resources Co. | 3 | 3 | 0 | 1 | Aug 8, 1990 | Dec 9, 1997 |
| 130 | Taurus Minerals, Inc. | 3 | 3 | 0 | 1 | Aug 16, 1982 | Mar 11, 1988 |
| 131 | Terra Resources, Inc. | 3 | 3 | 0 | 1 | May 1, 1981 | Jul 21, 1981 |
| 132 | Abba Exploration | 3 | 3 | 0 | 0 | Mar 3, 1983 | Jun 8, 1983 |
| 133 | B-J Oil Co. | 3 | 3 | 0 | 0 | Jan 7, 2001 | Jan 7, 2002 |
| 134 | Cabana Oil Corp. | 3 | 3 | 0 | 0 | Oct 6, 1995 | Oct 4, 1996 |
| 135 | Cass Oil Company | 3 | 3 | 0 | 0 | Jan 17, 1990 | Nov 26, 1990 |
| 136 | Clark, John M. | 3 | 3 | 0 | 0 | Oct 15, 1990 | Feb 3, 1993 |
| 137 | Damron Energy | 3 | 3 | 0 | 0 | Sep 18, 2006 | Sep 21, 2006 |
| 138 | Danick Exploration Corporation | 3 | 3 | 0 | 0 | Nov 15, 1985 | Sep 8, 1988 |
| 139 | Darc Oil Co. | 3 | 3 | 0 | 0 | Aug 13, 1981 | Sep 6, 1983 |
| 140 | Demarco Oil & Gas, Inc. | 3 | 3 | 0 | 0 | Mar 31, 1982 | Apr 12, 1982 |
| 141 | Dickinson, Roy | 3 | 3 | 0 | 0 | May 20, 1992 | Oct 6, 1993 |
| 142 | Diversified Drlg. Services, Inc. | 3 | 3 | 0 | 0 | Dec 8, 1989 | Dec 8, 1989 |
| 143 | Dow Chemical Co., The | 3 | 3 | 0 | 0 | Nov 16, 1979 | Nov 16, 1979 |
| 144 | Duncan Drilling Co. | 3 | 3 | 0 | 0 | Nov 3, 1992 | Oct 11, 1993 |
| 145 | El Lucero Oil and Gas, Inc. | 3 | 3 | 0 | 0 | Mar 4, 1985 | Mar 26, 1985 |
| 146 | Fortuna Exploration, Inc. | 3 | 3 | 0 | 0 | Mar 6, 1990 | Jul 3, 1991 |
| 147 | Geonatural Resources, Inc. | 3 | 3 | 0 | 0 | Jan 8, 1997 | Jan 8, 1997 |
| 148 | Gradon Oil Company | 3 | 3 | 0 | 0 | Apr 19, 1985 | Nov 19, 1985 |
| 149 | Hanover Management Co. | 3 | 3 | 0 | 0 | Jun 26, 1979 | Jun 26, 1980 |
| 150 | HGN Operating I, LLC | 3 | 3 | 0 | 0 | May 10, 2013 | Oct 14, 2013 |
| 151 | Nordan Oil & Gas Corp. | 3 | 3 | 0 | 0 | Oct 22, 1979 | Jan 8, 1980 |
| 152 | Rebco Oil, Inc. | 3 | 3 | 0 | 0 | Jun 25, 2013 | Oct 31, 2014 |
| 153 | Shoshone Oil Company | 3 | 3 | 0 | 0 | Dec 9, 1988 | Oct 23, 1990 |
| 154 | Spiral Energy Corp. | 3 | 3 | 0 | 0 | Sep 11, 2014 | Jul 14, 2015 |
| 155 | Thompson, John R. Operating, Inc | 3 | 3 | 0 | 0 | Oct 2, 1979 | Jan 8, 1980 |
| 156 | Trend Exploration Company | 3 | 3 | 0 | 0 | Apr 26, 1990 | Jun 5, 1990 |
| 157 | Watco Energy, Inc. | 3 | 3 | 0 | 0 | Jul 6, 1982 | Dec 23, 1983 |
| 158 | Wilson, Wm. B. & Sons, Inc. | 3 | 3 | 0 | 0 | Feb 20, 1980 | Sep 24, 1980 |
| 159 | Willowbend Investments, Inc. | 2 | 2 | 0 | 55 | Nov 19, 2010 | Oct 2, 2012 |
| 160 | Armor Petroleum, Inc. | 2 | 2 | 0 | 23 | Jan 21, 1993 | Nov 12, 1993 |
| 161 | Martin Matrix Inc. | 2 | 2 | 0 | 15 | Apr 21, 2014 | May 23, 2017 |
| 162 | Texas Operating Partners LLC | 2 | 2 | 0 | 13 | Sep 10, 2026 | Oct 20, 2026 |
| 163 | WTG Exploration | 2 | 2 | 0 | 9 | Nov 7, 1991 | Mar 12, 1992 |
| 164 | P,b&b Operating Inc. | 2 | 2 | 0 | 6 | Jun 11, 2002 | Oct 14, 2002 |
| 165 | Klabzuba Operating Company | 2 | 2 | 0 | 5 | Jul 3, 1989 | Jul 31, 1989 |
| 166 | Big Run Production Company | 2 | 2 | 0 | 4 | Sep 1, 2004 | Nov 25, 2024 |
| 167 | Capital Exploration, Inc. | 2 | 2 | 0 | 3 | Feb 10, 2004 | Sep 30, 2004 |
| 168 | Johnston Engineering Co | 2 | 2 | 0 | 3 | May 30, 1989 | Nov 15, 1991 |
| 169 | Beller Production, Inc. | 2 | 2 | 0 | 2 | Jul 16, 1979 | Jun 13, 1980 |
| 170 | Breck Operating Corp. | 2 | 2 | 0 | 2 | Nov 29, 1989 | Jun 19, 1990 |
| 171 | Conquistador Petroleum,inc. | 2 | 2 | 0 | 2 | Nov 13, 1989 | Aug 16, 1990 |
| 172 | Minx Resources LLC | 2 | 2 | 0 | 2 | Oct 19, 2015 | May 25, 2016 |
| 173 | Austral Oil Company Incorporated | 2 | 2 | 0 | 1 | Nov 13, 1992 | Oct 27, 1993 |
| 174 | Burk, J. D. | 2 | 2 | 0 | 1 | Dec 6, 1977 | Mar 3, 1978 |
| 175 | Canan Mowrey Operating, LLC | 2 | 2 | 0 | 1 | Feb 25, 2011 | Sep 14, 2011 |
| 176 | Caraway Operating Co. | 2 | 2 | 0 | 1 | Dec 17, 1990 | Jan 23, 1995 |
| 177 | Carter, Roy L. Inc. | 2 | 2 | 0 | 1 | Sep 5, 1980 | Oct 1, 1982 |
| 178 | D & B Oil Inc. | 2 | 2 | 0 | 1 | Jan 21, 1981 | Feb 25, 1981 |
| 179 | Delta-Gulf, Inc. | 2 | 2 | 0 | 1 | Jun 20, 1979 | Jul 6, 1979 |
| 180 | Dune Petroleum Corporation | 2 | 2 | 0 | 1 | May 21, 1992 | Jun 2, 1993 |
| 181 | Empire Oil & Gas Services, Inc | 2 | 2 | 0 | 1 | Dec 14, 1993 | Jun 16, 1994 |
| 182 | Josey, Lenoir M., Inc. | 2 | 2 | 0 | 1 | Jan 15, 1981 | Mar 4, 1981 |
| 183 | Lovelady, Ike Inc. | 2 | 2 | 0 | 1 | Jan 7, 1980 | Jul 30, 1981 |
| 184 | Montero Operating, Inc. | 2 | 2 | 0 | 1 | Jul 18, 1983 | Jul 18, 1983 |
| 185 | Myco Oil & Gas Inc. | 2 | 2 | 0 | 1 | Feb 10, 1983 | Oct 20, 1983 |
| 186 | Pace Operating, Inc. | 2 | 2 | 0 | 1 | Mar 18, 1991 | Aug 12, 1991 |
| 187 | Adams Exploration Co. | 2 | 2 | 0 | 0 | Dec 6, 1979 | Feb 19, 1980 |
| 188 | Adler Petroleum Company | 2 | 2 | 0 | 0 | Jun 4, 1985 | Jun 4, 1985 |
| 189 | Alps Oil Company | 2 | 2 | 0 | 0 | Jun 28, 1977 | Nov 13, 1991 |
| 190 | Anderson, Roger W. Corp. | 2 | 2 | 0 | 0 | Jul 10, 1989 | Jul 28, 1989 |
| 191 | Argee Oil Company | 2 | 2 | 0 | 0 | Aug 8, 1991 | Oct 22, 1991 |
| 192 | Aries Operating, Inc. | 2 | 2 | 0 | 0 | Jul 24, 1987 | Oct 22, 1987 |
| 193 | Bee-Jay Petro, Inc. | 2 | 2 | 0 | 0 | Feb 3, 1995 | Sep 21, 1998 |
| 194 | Beluga Petroleum LLC | 2 | 2 | 0 | 0 | Apr 26, 2002 | May 29, 2002 |
| 195 | Bennett, M. Brad & R. Hillin NRM | 2 | 2 | 0 | 0 | Feb 3, 1978 | Feb 6, 1978 |
| 196 | Bolin, R. L. | 2 | 2 | 0 | 0 | Aug 17, 1992 | Oct 11, 1993 |
| 197 | Bowerman Exploration Company | 2 | 2 | 0 | 0 | Oct 13, 1997 | Dec 10, 1997 |
| 198 | Braman, D. H., Jr. | 2 | 2 | 0 | 0 | May 30, 1984 | Nov 16, 1984 |
| 199 | Cadasco, Inc. | 2 | 2 | 0 | 0 | Oct 26, 1983 | Oct 26, 1983 |
| 200 | Capataz Operating, Inc. | 2 | 2 | 0 | 0 | Mar 27, 2007 | Aug 17, 2007 |
| 201 | Central Texas Oil & Gas | 2 | 2 | 0 | 0 | Nov 12, 1987 | Dec 17, 1987 |
| 202 | Cholla Petroleum, Inc. | 2 | 2 | 0 | 0 | Jan 12, 1993 | Jul 28, 1994 |
| 203 | Dakota Resources, Inc. (I) | 2 | 2 | 0 | 0 | May 24, 1999 | Dec 8, 2004 |
| 204 | Enterprise Products Operatingllc | 2 | 2 | 0 | 0 | Jul 14, 2010 | Jul 3, 2018 |
| 205 | Export Petroleum Corp. | 2 | 2 | 0 | 0 | Oct 19, 1994 | Apr 4, 1995 |
| 206 | Hankins, Kenneth M. | 2 | 2 | 0 | 0 | Dec 10, 1987 | May 18, 1988 |
| 207 | H-M Resource Management, Inc. | 2 | 2 | 0 | 0 | Sep 16, 1992 | Dec 5, 1994 |
| 208 | Hrubetz Oil Company | 2 | 2 | 0 | 0 | Dec 8, 1983 | Feb 17, 1984 |
| 209 | Hughes Pipe & Supply | 2 | 2 | 0 | 0 | Jul 3, 1992 | Jul 24, 1992 |
| 210 | IP Petroleum Company, Inc. | 2 | 2 | 0 | 0 | Aug 2, 1988 | Mar 9, 1989 |
| 211 | Lawrence Energy Company | 2 | 2 | 0 | 0 | Apr 29, 2004 | Nov 10, 2005 |
| 212 | Leeper Oil Exp. & Prod. Inc. | 2 | 2 | 0 | 0 | Dec 31, 1982 | Jul 15, 1983 |
| 213 | London Petroleum Corporation | 2 | 2 | 0 | 0 | Oct 2, 2000 | Nov 25, 2002 |
| 214 | May Petroleum, Inc. | 2 | 2 | 0 | 0 | May 1, 1981 | Aug 4, 1981 |
| 215 | McBee Company, The | 2 | 2 | 0 | 0 | Jul 29, 1986 | Sep 10, 1990 |
| 216 | Nimrod Exploration, Inc. | 2 | 2 | 0 | 0 | Jan 6, 1992 | Feb 18, 1992 |
| 217 | Novo Exploration Corporation | 2 | 2 | 0 | 0 | Aug 26, 1988 | Nov 15, 1990 |
| 218 | P.C. Engineering, Inc. | 2 | 2 | 0 | 0 | Jul 1, 1980 | Jul 2, 1980 |
| 219 | Perkins-Prothro Company | 2 | 2 | 0 | 0 | Aug 1, 1990 | Jun 5, 1991 |
| 220 | Premier Production Company | 2 | 2 | 0 | 0 | Dec 30, 1987 | Dec 30, 1987 |
| 221 | Reach Group, The | 2 | 2 | 0 | 0 | Nov 2, 1984 | Nov 2, 1984 |
| 222 | Rex Energy Operating Corp. | 2 | 2 | 0 | 0 | Dec 10, 2007 | Dec 10, 2007 |
| 223 | Richman Petroleum Corp. | 2 | 2 | 0 | 0 | Nov 22, 2000 | Aug 22, 2001 |
| 224 | Rosenthal, Stanley H. | 2 | 2 | 0 | 0 | Aug 17, 1977 | Aug 17, 1977 |
| 225 | Sinclair Energy Corporation | 2 | 2 | 0 | 0 | Oct 30, 2009 | Jan 6, 2010 |
| 226 | S & J Operating Co. | 2 | 2 | 0 | 0 | Mar 29, 1989 | Apr 19, 1989 |
| 227 | Spenergy Corp. | 2 | 2 | 0 | 0 | Oct 2, 1991 | Dec 23, 1991 |
| 228 | STF Exploration, Inc. | 2 | 2 | 0 | 0 | Feb 23, 1991 | Mar 21, 1991 |
| 229 | Texas Royalty Corp. | 2 | 2 | 0 | 0 | Nov 5, 2014 | Dec 3, 2014 |
| 230 | Texcal Resources, Inc. | 2 | 2 | 0 | 0 | Sep 11, 1992 | Feb 12, 1993 |
| 231 | Thomas Oil & Gas | 2 | 2 | 0 | 0 | Sep 24, 1984 | Nov 26, 1984 |
| 232 | Trich Production, Inc. | 2 | 2 | 0 | 0 | Jun 16, 1995 | Feb 16, 1996 |
| 233 | Tri-Dyne Resources, Inc. | 2 | 2 | 0 | 0 | Feb 23, 1996 | Jan 21, 1997 |
| 234 | WBR, Inc. | 2 | 2 | 0 | 0 | Jun 12, 1990 | Aug 26, 1991 |
| 235 | Western Chief Oil & Gas Company | 2 | 2 | 0 | 0 | Nov 20, 1984 | Nov 20, 1984 |
| 236 | Whitco Production Co, L.L.C. | 2 | 2 | 0 | 0 | Feb 26, 2002 | Dec 31, 2002 |
| 237 | Wilkins Oil and Gas | 2 | 2 | 0 | 0 | Nov 29, 1982 | Dec 9, 1982 |
| 238 | Winco Oil Inc. | 2 | 2 | 0 | 0 | Jan 11, 1990 | Sep 11, 1990 |
| 239 | Winn Exploration/Dulce Company | 2 | 2 | 0 | 0 | Dec 30, 1985 | Jan 23, 1986 |
| 240 | J-W Operating Co. | 1 | 1 | 0 | 22 | Sep 22, 1995 | Sep 22, 1995 |
| 241 | Schlachter, David A. | 1 | 1 | 0 | 13 | Dec 31, 1980 | Dec 31, 1980 |
| 242 | MGM Oil & Gas Inc. | 1 | 1 | 0 | 9 | Aug 2, 1991 | Aug 2, 1991 |
| 243 | Production Operators of TX, LLC | 1 | 1 | 0 | 5 | Jul 2, 2025 | Jul 2, 2025 |
| 244 | Hipoc, Inc. | 1 | 1 | 0 | 3 | Dec 8, 1987 | Dec 8, 1987 |
| 245 | Federal Oil, Inc. | 1 | 1 | 0 | 2 | Dec 14, 1989 | Dec 14, 1989 |
| 246 | Best Petroleum Explorations, Inc | 1 | 1 | 0 | 1 | Aug 1, 1991 | Aug 1, 1991 |
| 247 | Bishop, E.J. | 1 | 1 | 0 | 1 | Mar 23, 1983 | Mar 23, 1983 |
| 248 | Clark, John M., Inc. | 1 | 1 | 0 | 1 | Nov 5, 2001 | Nov 5, 2001 |
| 249 | Fairmont Production Company | 1 | 1 | 0 | 1 | Apr 10, 1990 | Apr 10, 1990 |
| 250 | Fran-Jac Energy | 1 | 1 | 0 | 1 | Jan 12, 1989 | Jan 12, 1989 |
| 251 | Frederick Petroleum Company | 1 | 1 | 0 | 1 | Dec 17, 1982 | Dec 17, 1982 |
| 252 | Glass Bros. | 1 | 1 | 0 | 1 | May 2, 1978 | May 2, 1978 |
| 253 | Leclair Operating, L.L.C. | 1 | 1 | 0 | 1 | Dec 12, 2013 | Dec 12, 2013 |
| 254 | McKissack Oil Fld.equipment,inc. | 1 | 1 | 0 | 1 | Jan 27, 1983 | Jan 27, 1983 |
| 255 | Northern Energy, Inc. | 1 | 1 | 0 | 1 | Jun 29, 1987 | Jun 29, 1987 |
| 256 | Petro-Texas Resources, Inc. | 1 | 1 | 0 | 1 | May 18, 1987 | May 18, 1987 |
| 257 | Phillips Petroleum Company | 1 | 1 | 0 | 1 | Jun 20, 1977 | Jun 20, 1977 |
| 258 | Preston, W.B. Jr. | 1 | 1 | 0 | 1 | Jul 18, 1986 | Jul 18, 1986 |
| 259 | Reunion Exploration, Inc. | 1 | 1 | 0 | 1 | Dec 17, 1990 | Dec 17, 1990 |
| 260 | Smith, Dewitt D. | 1 | 1 | 0 | 1 | Apr 1, 1991 | Apr 1, 1991 |
| 261 | Smith, Joe T. Inc. | 1 | 1 | 0 | 1 | Nov 7, 1994 | Nov 7, 1994 |
| 262 | Spi Operations LLC | 1 | 1 | 0 | 1 | Jan 18, 2005 | Jan 18, 2005 |
| 263 | Texzona Oil & Gas, Inc. | 1 | 1 | 0 | 1 | Aug 12, 1977 | Aug 12, 1977 |
| 264 | TKP Petroleum, Inc. | 1 | 1 | 0 | 1 | Jun 22, 1992 | Jun 22, 1992 |
| 265 | Valera Oil Company | 1 | 1 | 0 | 1 | Sep 14, 1990 | Sep 14, 1990 |
| 266 | Wilbanks, Bruce A. | 1 | 1 | 0 | 1 | Feb 20, 1985 | Feb 20, 1985 |
| 267 | Adams Branch Exploration Company | 1 | 1 | 0 | 0 | Jun 30, 1993 | Jun 30, 1993 |
| 268 | Adelante Petroleum Co. | 1 | 1 | 0 | 0 | May 28, 1980 | May 28, 1980 |
| 269 | Allied Hydrocarbons, Inc. | 1 | 1 | 0 | 0 | Jul 25, 1984 | Jul 25, 1984 |
| 270 | All-Southwest Petroleum, Inc. | 1 | 1 | 0 | 0 | May 6, 1983 | May 6, 1983 |
| 271 | Anderson, James K. Inc. | 1 | 1 | 0 | 0 | May 15, 1978 | May 15, 1978 |
| 272 | Ark Energy, Inc. | 1 | 1 | 0 | 0 | Jan 20, 1981 | Jan 20, 1981 |
| 273 | Atchley, Steve | 1 | 1 | 0 | 0 | Jan 30, 1997 | Jan 30, 1997 |
| 274 | Austin Petro, Inc. | 1 | 1 | 0 | 0 | Oct 7, 1983 | Oct 7, 1983 |
| 275 | Bam Production Company | 1 | 1 | 0 | 0 | Feb 16, 1993 | Feb 16, 1993 |
| 276 | Baxter, Kelly H. | 1 | 1 | 0 | 0 | Aug 1, 1990 | Aug 1, 1990 |
| 277 | Bay Rock Operating Company | 1 | 1 | 0 | 0 | Feb 16, 1990 | Feb 16, 1990 |
| 278 | Bee-Jay Energy | 1 | 1 | 0 | 0 | Feb 13, 1992 | Feb 13, 1992 |
| 279 | Benson & Schoen Oil Co., Inc. | 1 | 1 | 0 | 0 | Jul 8, 2010 | Jul 8, 2010 |
| 280 | Big C Oil Co. | 1 | 1 | 0 | 0 | Apr 23, 1987 | Apr 23, 1987 |
| 281 | Blair, Brooks Operating Co. | 1 | 1 | 0 | 0 | Nov 2, 1989 | Nov 2, 1989 |
| 282 | Bowman, Edward L., Inc. | 1 | 1 | 0 | 0 | Jul 23, 1984 | Jul 23, 1984 |
| 283 | Boyd, Foy Management Corp. | 1 | 1 | 0 | 0 | Jan 12, 1982 | Jan 12, 1982 |
| 284 | Boyd & McWilliams Energy Group | 1 | 1 | 0 | 0 | Jan 24, 1992 | Jan 24, 1992 |
| 285 | Brown, Fred G. Inc. | 1 | 1 | 0 | 0 | Oct 30, 1980 | Oct 30, 1980 |
| 286 | Brown, J. R. & Associates | 1 | 1 | 0 | 0 | Jul 10, 1986 | Jul 10, 1986 |
| 287 | Brushy Creek Drilling Co. | 1 | 1 | 0 | 0 | Nov 20, 1978 | Nov 20, 1978 |
| 288 | Bullet Development, LLC | 1 | 1 | 0 | 0 | May 28, 2014 | May 28, 2014 |
| 289 | Burk Royalty Company | 1 | 1 | 0 | 0 | Oct 23, 1990 | Oct 23, 1990 |
| 290 | Burrow Land and Royalty | 1 | 1 | 0 | 0 | Nov 1, 1983 | Nov 1, 1983 |
| 291 | Carlton Drilling Company, Inc. | 1 | 1 | 0 | 0 | Nov 12, 1981 | Nov 12, 1981 |
| 292 | Chalmers, John H. | 1 | 1 | 0 | 0 | Oct 11, 1977 | Oct 11, 1977 |
| 293 | Chaparral Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Jul 17, 1990 | Jul 17, 1990 |
| 294 | Charis Oil & Gas, LLC | 1 | 1 | 0 | 0 | Jan 18, 2012 | Jan 18, 2012 |
| 295 | Chief Energy Company | 1 | 1 | 0 | 0 | Apr 11, 1988 | Apr 11, 1988 |
| 296 | Chief Oil & Gas LLC | 1 | 1 | 0 | 0 | Mar 24, 1999 | Mar 24, 1999 |
| 297 | Cimarron Properties, Inc. | 1 | 1 | 0 | 0 | Aug 29, 1990 | Aug 29, 1990 |
| 298 | C. J. R. Oil Venture | 1 | 1 | 0 | 0 | Nov 28, 1978 | Nov 28, 1978 |
| 299 | Concho Production Inc | 1 | 1 | 0 | 0 | Nov 14, 1983 | Nov 14, 1983 |
| 300 | Conoco Inc. | 1 | 1 | 0 | 0 | Mar 11, 1991 | Mar 11, 1991 |
543 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE