COUNTIES · CHAMBERS · OPERATORS
Chambers 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 | Exxon Corp. | 810 | 810 | 1 | 285 | Jun 6, 1977 | Nov 2, 1999 |
| 2 | Sun Expl. & Prod. Co.-Lafayette | 107 | 107 | 0 | 34 | Jun 29, 1979 | Apr 11, 1988 |
| 3 | Oryx Energy Company | 106 | 106 | 0 | 12 | Jun 21, 1989 | Feb 10, 1999 |
| 4 | Denbury Onshore, LLC | 104 | 104 | 0 | 146 | Mar 13, 2008 | Jun 16, 2022 |
| 5 | Linc Gulf Coast Petroleum, Inc. | 100 | 100 | 2 | 33 | Aug 9, 2010 | Dec 22, 2015 |
| 6 | Vintage Petroleum, Inc. | 57 | 57 | 0 | 6 | Oct 19, 1992 | Sep 10, 2003 |
| 7 | Sun Exploration & Production Co. | 48 | 48 | 0 | 63 | Jul 12, 1977 | Apr 20, 1989 |
| 8 | Kerr-McGee Oil & Gas Onshore LLC | 48 | 48 | 0 | 27 | Oct 21, 1999 | Feb 10, 2006 |
| 9 | Erg Resources, L.L.C. | 47 | 47 | 0 | 2 | Dec 19, 2006 | Oct 7, 2011 |
| 10 | Warren Petroleum Company | 45 | 45 | 0 | 3 | Jul 6, 1977 | Mar 15, 1996 |
| 11 | Davis Petroleum Corp. | 43 | 43 | 0 | 14 | Mar 8, 2000 | Nov 12, 2012 |
| 12 | Houston Oil & Minerals Corp. | 35 | 35 | 0 | 23 | Jul 20, 1977 | Jun 14, 1989 |
| 13 | Sun Expl. & Prod. Co.-Houston | 31 | 31 | 0 | 4 | Jun 7, 1979 | Jun 6, 1983 |
| 14 | Enterprise Products Co. | 27 | 27 | 0 | 0 | Jul 6, 1978 | Oct 9, 2000 |
| 15 | Viking Petroleum, Inc. | 25 | 25 | 0 | 0 | Jun 23, 1981 | Feb 15, 1984 |
| 16 | Arco Oil & Gas Co. | 24 | 24 | 0 | 0 | May 2, 1980 | Oct 30, 1987 |
| 17 | Masters Oil & Gas, LLC | 22 | 22 | 0 | 12 | Aug 5, 2003 | Oct 16, 2006 |
| 18 | Puls, W. L. | 22 | 22 | 0 | 6 | Sep 13, 1978 | Jun 14, 2002 |
| 19 | Transtexas Gas Corporation | 22 | 22 | 0 | 2 | Oct 17, 1996 | Apr 6, 2005 |
| 20 | Prudential Drilling Company | 21 | 21 | 0 | 22 | Jul 20, 1977 | Jul 26, 1983 |
| 21 | Solatex Resources, Ltd | 21 | 21 | 0 | 7 | Oct 19, 1987 | Apr 15, 1994 |
| 22 | Samson Exploration, LLC | 20 | 20 | 0 | 2 | May 29, 2013 | Nov 18, 2015 |
| 23 | Houston Oil Fields Co. | 20 | 20 | 0 | 0 | Aug 11, 1983 | May 27, 1986 |
| 24 | Targa Downstream LLC | 19 | 19 | 0 | 62 | May 16, 2012 | May 16, 2025 |
| 25 | Texas Petroleum Investment Co. | 18 | 18 | 0 | 40 | Oct 21, 2003 | May 15, 2012 |
| 26 | Texaco Inc. | 18 | 18 | 0 | 28 | Jun 6, 1977 | Nov 5, 1987 |
| 27 | Hamman Oil & Refg. Co. | 18 | 18 | 0 | 10 | Dec 28, 1979 | Aug 26, 1998 |
| 28 | Getty Oil Co. | 18 | 18 | 0 | 5 | Oct 3, 1977 | Jul 26, 1984 |
| 29 | Rutherford Oil Corporation | 15 | 15 | 0 | 3 | Aug 2, 1993 | Oct 21, 2011 |
| 30 | Cummins & Walker Oil Co., Inc. | 15 | 15 | 0 | 1 | Jan 5, 1978 | Jun 11, 1985 |
| 31 | Genesis Petroleum Corporation | 15 | 15 | 0 | 0 | Mar 19, 1982 | Dec 3, 1986 |
| 32 | Lone Star NGL Mont Belvieu LP | 14 | 14 | 0 | 18 | Oct 10, 2011 | Aug 4, 2021 |
| 33 | Sanchez-O'Brien Oil & Gas Corp. | 14 | 14 | 0 | 5 | Nov 17, 1981 | Oct 31, 1995 |
| 34 | Yuma E & P Company, Inc. | 14 | 14 | 0 | 5 | Dec 21, 2001 | Jun 25, 2008 |
| 35 | L & L Oper,inc./Viking Pet,inc. | 14 | 14 | 0 | 1 | Dec 31, 1980 | Feb 24, 1982 |
| 36 | Sierra Production Co. | 14 | 14 | 0 | 1 | Oct 21, 1977 | May 15, 1986 |
| 37 | Houston Domestic Oil Company | 14 | 14 | 0 | 0 | Jul 27, 1977 | Jan 27, 1983 |
| 38 | McGowan, John W. | 14 | 14 | 0 | 0 | Jun 13, 1989 | Jun 28, 1991 |
| 39 | Chevron U. S. A. Inc. | 13 | 13 | 0 | 3 | Aug 31, 1977 | May 24, 1988 |
| 40 | Eads Operating Co. | 13 | 13 | 0 | 1 | Nov 15, 1982 | Jan 13, 1986 |
| 41 | Clover Energy Corporation | 13 | 13 | 0 | 0 | Sep 26, 1977 | Sep 24, 1981 |
| 42 | E-Tex Oil Co. | 13 | 13 | 0 | 0 | Mar 16, 1984 | Feb 5, 1986 |
| 43 | Amoco Production Company | 12 | 12 | 0 | 16 | Sep 19, 1977 | Nov 18, 1985 |
| 44 | Cauble Enterprises | 12 | 12 | 0 | 4 | Aug 8, 1977 | Dec 6, 1983 |
| 45 | American Petrofina Co. of Tex. | 12 | 12 | 0 | 3 | Jul 5, 1977 | Nov 29, 1984 |
| 46 | MGF Oil Corporation | 12 | 12 | 0 | 3 | Sep 26, 1978 | Jun 30, 1982 |
| 47 | Goldking Prod. Co. | 12 | 12 | 0 | 1 | Aug 9, 1978 | Dec 29, 1997 |
| 48 | Chambliss, Grover C., Jr. | 11 | 11 | 0 | 13 | Dec 2, 1977 | Jul 5, 1983 |
| 49 | Aspect Resources LLC | 11 | 11 | 0 | 2 | Mar 30, 1999 | Feb 7, 2001 |
| 50 | Diamex Co. | 11 | 11 | 0 | 2 | Sep 17, 1979 | Jan 18, 1982 |
| 51 | Fina Oil & Chemical Company | 11 | 11 | 0 | 2 | Aug 26, 1985 | Apr 29, 1994 |
| 52 | Daniel Oil Co. | 11 | 11 | 0 | 1 | Jun 20, 1977 | May 20, 1981 |
| 53 | Plains Resources Inc. | 11 | 11 | 0 | 1 | Aug 20, 1987 | May 9, 1990 |
| 54 | Azimuth Energy, LLC | 11 | 11 | 0 | 0 | May 8, 2003 | Jan 20, 2006 |
| 55 | HS Resources, Inc. | 11 | 11 | 0 | 0 | Aug 9, 1996 | Dec 6, 2000 |
| 56 | Texas City Refg. Inc. | 10 | 10 | 0 | 18 | Jun 22, 1977 | Apr 25, 1984 |
| 57 | Energy Reserves Group, L.L.C. | 10 | 10 | 0 | 7 | Jul 19, 2000 | Oct 18, 2006 |
| 58 | Middleton Oil Company | 10 | 10 | 0 | 5 | Aug 9, 1980 | Nov 29, 1993 |
| 59 | Texas Oil & Gas Corp. | 10 | 10 | 0 | 4 | Jun 12, 1978 | Aug 18, 1981 |
| 60 | Ballard Exploration Company,inc. | 10 | 10 | 0 | 1 | Feb 14, 1984 | Sep 29, 2011 |
| 61 | Hanson Minerals Co. | 10 | 10 | 0 | 1 | Sep 30, 1983 | May 21, 1993 |
| 62 | Lapis Operating, Inc. | 10 | 10 | 0 | 0 | Jul 15, 2005 | Jul 2, 2012 |
| 63 | Wainoco Oil & Gas Company | 10 | 10 | 0 | 0 | Jul 31, 1978 | May 13, 1991 |
| 64 | TXO Production Corp. | 9 | 9 | 0 | 7 | Nov 20, 1981 | Nov 6, 1987 |
| 65 | Maralo, Inc. | 9 | 9 | 0 | 6 | Oct 16, 1981 | Dec 23, 1985 |
| 66 | Masters Resources, L.L.C. | 9 | 9 | 0 | 4 | May 21, 2001 | Oct 4, 2004 |
| 67 | Watson Oil Corporation | 9 | 9 | 0 | 3 | Jun 15, 1977 | Mar 9, 1981 |
| 68 | Crest Resources & Expl. Corp. | 9 | 9 | 0 | 2 | Oct 4, 1977 | Oct 17, 1985 |
| 69 | Pierce Petroleum | 9 | 9 | 0 | 2 | Feb 18, 1986 | Jul 3, 1990 |
| 70 | Texas Crude, Inc. | 9 | 9 | 0 | 2 | Oct 31, 1977 | Sep 1, 1981 |
| 71 | Apb Oil Corporation | 9 | 9 | 0 | 1 | Sep 20, 1991 | Aug 31, 1995 |
| 72 | Placid Oil Company | 9 | 9 | 0 | 1 | Jun 13, 1977 | Jun 23, 1981 |
| 73 | American Coastal Energy, Inc. | 9 | 9 | 0 | 0 | Jun 30, 1998 | May 13, 2004 |
| 74 | C & E Operating, Inc. | 8 | 8 | 0 | 5 | Jan 6, 2012 | Dec 5, 2022 |
| 75 | Damson Oil Corp. | 8 | 8 | 0 | 5 | Mar 30, 1979 | Nov 8, 1983 |
| 76 | Prairie Producing Company | 8 | 8 | 0 | 2 | Aug 12, 1977 | Dec 14, 1982 |
| 77 | Ranger Oil Company | 8 | 8 | 0 | 2 | Nov 7, 1977 | Jan 29, 1981 |
| 78 | Fairways Exploration & Prod, LLC | 8 | 8 | 0 | 1 | Dec 17, 2010 | Oct 10, 2016 |
| 79 | French Production Incorporated | 8 | 8 | 0 | 1 | Nov 28, 1990 | Mar 15, 1994 |
| 80 | Amax Petroleum Corporation | 8 | 8 | 0 | 0 | Feb 20, 1981 | Dec 31, 1982 |
| 81 | Felmont Oil Corp. | 8 | 8 | 0 | 0 | Oct 18, 1982 | May 8, 1985 |
| 82 | Gulf Oil Corp. | 8 | 8 | 0 | 0 | Jul 25, 1977 | Jul 30, 1985 |
| 83 | Harrison, Dan J. Iii&bruce F. | 8 | 8 | 0 | 0 | Sep 6, 1988 | Jan 26, 2000 |
| 84 | Steele, Barney | 8 | 8 | 0 | 0 | Mar 6, 1980 | Feb 6, 1984 |
| 85 | Tenneco Oil Co. | 8 | 8 | 0 | 0 | Dec 1, 1977 | Jul 22, 1980 |
| 86 | Texas Brine Company Baytown, LLC | 8 | 8 | 0 | 0 | Aug 8, 1997 | Feb 25, 2005 |
| 87 | Oneok Hydrocarbon Southwest, LLC | 7 | 7 | 0 | 17 | Sep 5, 2013 | Sep 17, 2025 |
| 88 | Hilcorp Energy Company | 7 | 7 | 0 | 15 | Mar 27, 2017 | Jun 24, 2020 |
| 89 | Exxon Mobil Corporation | 7 | 7 | 0 | 2 | Oct 7, 1999 | Aug 21, 2001 |
| 90 | Louisiana Land & Expl. Co., The | 7 | 7 | 0 | 2 | Apr 17, 1981 | Jul 29, 1987 |
| 91 | Cox Resources Corp. | 7 | 7 | 0 | 0 | Sep 6, 1995 | Apr 7, 1999 |
| 92 | Joyce & Hilty, Inc. | 7 | 7 | 0 | 0 | Jan 9, 1978 | Mar 30, 1981 |
| 93 | Penford, Inc. | 7 | 7 | 0 | 0 | Mar 9, 1982 | Nov 27, 1984 |
| 94 | Wacker Oil Inc. | 7 | 7 | 0 | 0 | Mar 8, 1989 | Mar 19, 1991 |
| 95 | Walter Oil & Gas Corporation | 7 | 7 | 0 | 0 | Aug 10, 1982 | Sep 30, 2002 |
| 96 | Torrent Oil LLC | 6 | 6 | 0 | 57 | Mar 15, 2017 | Jun 23, 2022 |
| 97 | Papco, Inc. | 6 | 6 | 0 | 45 | Feb 18, 1999 | Oct 10, 2001 |
| 98 | Poynor Corporation | 6 | 6 | 0 | 10 | Mar 12, 1980 | Aug 25, 1988 |
| 99 | Cabot Oil & Gas Corporation | 6 | 6 | 0 | 3 | Feb 21, 1997 | Jun 30, 1999 |
| 100 | Elliott Oil & Gas Operating Co. | 6 | 6 | 0 | 3 | Nov 3, 2006 | Jan 17, 2014 |
| 101 | New Century Exploration, Inc. | 6 | 6 | 0 | 3 | Aug 23, 2001 | Jan 16, 2008 |
| 102 | Harrison Interests, Ltd. | 6 | 6 | 0 | 2 | Sep 12, 1980 | Oct 24, 1984 |
| 103 | Goldston Oil Corporation | 6 | 6 | 0 | 1 | Sep 12, 2002 | Jul 24, 2014 |
| 104 | Swift Energy Company | 6 | 6 | 0 | 1 | Jun 18, 1991 | Aug 18, 1994 |
| 105 | Tascocita Energy Co. | 6 | 6 | 0 | 1 | Oct 16, 1980 | Dec 1, 1981 |
| 106 | Tempest Energy Resources, LP | 6 | 6 | 0 | 1 | Jan 21, 2005 | Sep 9, 2011 |
| 107 | BRC Petroleum Inc. | 6 | 6 | 0 | 0 | Aug 9, 1982 | Sep 16, 1983 |
| 108 | Brineco Disposal Tech, LLC | 6 | 6 | 0 | 0 | Dec 2, 2009 | Apr 22, 2016 |
| 109 | Headington Oil Company | 6 | 6 | 0 | 0 | Jul 28, 1993 | Sep 3, 1997 |
| 110 | Paragon Resources, Inc. | 6 | 6 | 0 | 0 | Apr 4, 1980 | Dec 9, 1980 |
| 111 | American Exploration Company | 5 | 5 | 0 | 10 | Apr 28, 1991 | Jun 17, 1992 |
| 112 | Continental Oil Company | 5 | 5 | 0 | 9 | Jan 23, 1978 | Nov 20, 1978 |
| 113 | Carrizo Oil & Gas, Inc. | 5 | 5 | 0 | 6 | Feb 5, 2001 | Feb 3, 2004 |
| 114 | Fort Apache Energy, Inc. | 5 | 5 | 0 | 5 | Feb 2, 2013 | Jul 23, 2019 |
| 115 | Trace Oil & Gas Company | 5 | 5 | 0 | 5 | Jul 6, 1981 | Dec 23, 1982 |
| 116 | Union Texas Petroleum Corp. | 5 | 5 | 0 | 5 | Apr 12, 1982 | Oct 29, 1984 |
| 117 | Noble Energy Inc | 5 | 5 | 0 | 4 | May 21, 2002 | Mar 24, 2006 |
| 118 | Energy Development Corp. | 5 | 5 | 0 | 3 | Aug 23, 1983 | May 1, 1991 |
| 119 | Texas Eastern Transmission Corp. | 5 | 5 | 0 | 3 | Dec 4, 1980 | Apr 7, 1989 |
| 120 | Magnum Producing & Operating Co. | 5 | 5 | 0 | 2 | Sep 29, 1992 | Oct 19, 2000 |
| 121 | Newfield Exploration Company | 5 | 5 | 0 | 2 | Jun 19, 2003 | Nov 19, 2004 |
| 122 | Whitson, James A., Jr. | 5 | 5 | 0 | 2 | Aug 22, 2005 | May 27, 2008 |
| 123 | Galveston Bay Energy, LLC | 5 | 5 | 0 | 1 | Dec 19, 2003 | Apr 17, 2015 |
| 124 | Cabot Corp. | 5 | 5 | 0 | 0 | Dec 5, 1979 | Apr 23, 1981 |
| 125 | Clements Energy, Inc. | 5 | 5 | 0 | 0 | May 16, 1983 | Apr 15, 1987 |
| 126 | Diamond Shamrock Ref. & Mkt'g Co | 5 | 5 | 1 | 0 | Apr 6, 1989 | May 15, 2001 |
| 127 | Pel-Tex-McMoran | 5 | 5 | 0 | 0 | Aug 6, 1981 | Oct 26, 1984 |
| 128 | Galveston Bay Operating Co LLC | 4 | 4 | 0 | 186 | Nov 2, 2017 | Oct 30, 2018 |
| 129 | Mont Belvieu Caverns, LLC | 4 | 4 | 0 | 51 | May 30, 2011 | Feb 24, 2025 |
| 130 | Phillips Petroleum Company | 4 | 4 | 0 | 4 | Mar 4, 1982 | Jul 18, 1990 |
| 131 | Apache Corporation | 4 | 4 | 0 | 3 | Mar 22, 1996 | Jul 6, 2012 |
| 132 | Kerr-McGee Oil & Gas Onshore LP | 4 | 4 | 0 | 3 | Dec 7, 2005 | Aug 25, 2006 |
| 133 | Conoco Inc. | 4 | 4 | 0 | 2 | Jun 11, 1981 | May 22, 1990 |
| 134 | Royal Oil & Gas Corp. | 4 | 4 | 0 | 2 | Jul 8, 1987 | Sep 19, 1990 |
| 135 | Caravelle Petroleum, Inc. | 4 | 4 | 0 | 1 | Dec 21, 1989 | Jan 24, 1990 |
| 136 | Etoco, L.P. | 4 | 4 | 0 | 1 | Aug 16, 2005 | Aug 26, 2009 |
| 137 | First Energy Corp. of Miss. | 4 | 4 | 0 | 1 | Jan 20, 1988 | Mar 22, 1991 |
| 138 | Halbouty, Michel T. Energy Co. | 4 | 4 | 0 | 1 | Jan 26, 1983 | Jul 31, 1985 |
| 139 | Houston Energy Operating, L.P. | 4 | 4 | 0 | 1 | Dec 1, 2010 | Jul 21, 2016 |
| 140 | Martin Oil & Gas Co. | 4 | 4 | 0 | 1 | May 15, 1978 | Oct 6, 1978 |
| 141 | Wagner, Duer & Co. | 4 | 4 | 0 | 1 | Feb 10, 1995 | Nov 18, 1997 |
| 142 | Buchanan, Wayman W. | 4 | 4 | 0 | 0 | Nov 19, 1984 | Nov 14, 1986 |
| 143 | Citation Oil & Gas Corp. | 4 | 4 | 0 | 0 | Jun 27, 1984 | Dec 16, 1987 |
| 144 | Cities Service Company | 4 | 4 | 0 | 0 | Apr 27, 1978 | Nov 3, 1981 |
| 145 | Cockrell Oil Corporation | 4 | 4 | 0 | 0 | Jul 6, 1981 | May 11, 1984 |
| 146 | Enserch Exploration, Inc | 4 | 4 | 0 | 0 | Aug 5, 1996 | Aug 19, 1997 |
| 147 | Intercoastal Operating Company | 4 | 4 | 0 | 0 | Apr 5, 1979 | Dec 27, 1979 |
| 148 | K-B Exploration Co. | 4 | 4 | 0 | 0 | Oct 24, 1979 | Nov 12, 1980 |
| 149 | Likover Oil Company | 4 | 4 | 0 | 0 | Mar 18, 1993 | Oct 3, 1996 |
| 150 | McOr Oil & Gas Corporation | 4 | 4 | 0 | 0 | Mar 1, 1985 | Dec 31, 1986 |
| 151 | Nicor Exploration Company | 4 | 4 | 0 | 0 | Nov 10, 1988 | Dec 19, 1990 |
| 152 | Peninsula Exploration Company | 4 | 4 | 0 | 0 | Aug 5, 1977 | Jul 17, 1978 |
| 153 | Petrus Operating Co., Inc. | 4 | 4 | 0 | 0 | Apr 18, 1984 | Mar 27, 1986 |
| 154 | Sue-Ann Oil & Gas Company | 4 | 4 | 0 | 0 | Mar 28, 1983 | Mar 11, 1988 |
| 155 | Terra Resources, Inc. | 4 | 4 | 0 | 0 | Feb 5, 1982 | Sep 9, 1988 |
| 156 | Texstar North America, Inc. | 4 | 4 | 0 | 0 | Apr 4, 1985 | Dec 30, 1988 |
| 157 | Torch Operating Company | 4 | 4 | 0 | 0 | May 18, 1992 | Jul 7, 1992 |
| 158 | Xral Storage & Terminaling Co. | 4 | 4 | 0 | 0 | Feb 26, 1979 | Jun 26, 1980 |
| 159 | Energy Transfer MT Belv Ngls LP | 3 | 3 | 0 | 51 | Oct 17, 2022 | Jan 23, 2025 |
| 160 | EOG Resources, Inc. | 3 | 3 | 0 | 9 | May 3, 2000 | Dec 5, 2003 |
| 161 | Pure Salt Baytown, LLC | 3 | 3 | 0 | 6 | Sep 10, 2014 | Jan 31, 2019 |
| 162 | Kingwood Exploration LLC | 3 | 3 | 0 | 5 | Jan 27, 2020 | Jul 11, 2022 |
| 163 | Prime Operating Company | 3 | 3 | 0 | 5 | Jan 23, 2017 | Jan 8, 2021 |
| 164 | Realitos Energy Corp. | 3 | 3 | 0 | 5 | Sep 13, 1978 | Feb 8, 1980 |
| 165 | Panaco, Inc. | 3 | 3 | 0 | 3 | Nov 4, 1999 | Jul 27, 2001 |
| 166 | Pel-Tex Oil Company, Inc. | 3 | 3 | 0 | 3 | Jun 8, 1978 | Jul 25, 1984 |
| 167 | Atlantic Richfield Co. | 3 | 3 | 0 | 2 | Oct 13, 1977 | Aug 17, 1978 |
| 168 | Bagley, Roy | 3 | 3 | 0 | 2 | May 4, 1998 | Sep 17, 1998 |
| 169 | Cox & Perkins Exploration, Inc. | 3 | 3 | 0 | 2 | Sep 19, 1988 | Mar 15, 1990 |
| 170 | Forza Operating, LLC | 3 | 3 | 0 | 2 | Aug 7, 2015 | Jan 14, 2021 |
| 171 | Mosbacher Energy Company | 3 | 3 | 0 | 2 | Apr 15, 1986 | Feb 26, 1990 |
| 172 | Zachry Exploration, LLC | 3 | 3 | 0 | 2 | Dec 27, 2022 | Jan 7, 2026 |
| 173 | Amerada Hess Corporation | 3 | 3 | 0 | 1 | Nov 15, 1990 | Dec 19, 1994 |
| 174 | El Tres Exploration | 3 | 3 | 0 | 1 | Dec 18, 1991 | Dec 14, 1993 |
| 175 | Hallwood Petroleum, Inc. | 3 | 3 | 0 | 1 | Jun 22, 1999 | May 31, 2001 |
| 176 | Marlin Energy Southwest GP, LLC | 3 | 3 | 0 | 1 | Sep 21, 2007 | Sep 3, 2010 |
| 177 | Northern Michigan Exp. Co. | 3 | 3 | 0 | 1 | Dec 14, 1984 | Jun 29, 1987 |
| 178 | Bass Enterprises Production Co. | 3 | 3 | 0 | 0 | Mar 14, 1984 | Oct 30, 1990 |
| 179 | Cico Oil & Gas Company | 3 | 3 | 0 | 0 | Jun 14, 2018 | May 29, 2019 |
| 180 | Dallas Group, Inc., The | 3 | 3 | 0 | 0 | May 4, 1984 | May 4, 1984 |
| 181 | Davis Oil Company | 3 | 3 | 0 | 0 | Jul 23, 1979 | Jun 25, 1984 |
| 182 | Erg Operating Company, Inc. | 3 | 3 | 0 | 0 | Jan 20, 2005 | Jan 20, 2005 |
| 183 | Erskine Energy, LLC | 3 | 3 | 0 | 0 | Dec 28, 2005 | Apr 13, 2006 |
| 184 | Genesis Producing Company | 3 | 3 | 0 | 0 | Jun 16, 2003 | Jun 23, 2006 |
| 185 | HNG Fossil Fuels Company | 3 | 3 | 0 | 0 | Jan 28, 1982 | Dec 12, 1985 |
| 186 | Inexco Oil Company | 3 | 3 | 0 | 0 | Mar 14, 1984 | Apr 17, 1984 |
| 187 | Integrated Energy Inc. | 3 | 3 | 0 | 0 | Apr 12, 1982 | Feb 28, 1983 |
| 188 | Ladd Petroleum Corp. | 3 | 3 | 0 | 0 | Jun 13, 1983 | Jan 5, 1984 |
| 189 | L. and L. Operators Inc. | 3 | 3 | 0 | 0 | Sep 15, 1980 | Dec 31, 1980 |
| 190 | McCord Exploration Co. | 3 | 3 | 0 | 0 | Aug 31, 1982 | Dec 9, 1988 |
| 191 | McGowan Working Partners | 3 | 3 | 0 | 0 | Jul 16, 1991 | Feb 26, 1996 |
| 192 | Midpar L.P. | 3 | 3 | 0 | 0 | Jun 29, 1994 | Aug 15, 1994 |
| 193 | Mitchell Energy Corporation | 3 | 3 | 0 | 0 | Jan 14, 1998 | Dec 19, 2000 |
| 194 | Mosbacher Production Co. | 3 | 3 | 0 | 0 | May 11, 1983 | May 29, 1985 |
| 195 | M & R Exploration Company | 3 | 3 | 0 | 0 | Sep 30, 1991 | Oct 21, 1991 |
| 196 | Panaco Production Co | 3 | 3 | 0 | 0 | Aug 15, 1997 | Oct 14, 1999 |
| 197 | Poynor, J. T., Trustee | 3 | 3 | 0 | 0 | Nov 7, 1977 | Sep 5, 1978 |
| 198 | Reynolds, Rex | 3 | 3 | 0 | 0 | Dec 9, 1980 | Apr 23, 1982 |
| 199 | Riner Exploration Corp. | 3 | 3 | 0 | 0 | May 24, 1979 | Nov 18, 1980 |
| 200 | Sanchez Oil & Gas Corporation | 3 | 3 | 0 | 0 | Nov 12, 1999 | Jun 18, 2012 |
| 201 | Santa FE Energy Oper. Part., LP | 3 | 3 | 0 | 0 | May 28, 1987 | Dec 14, 1989 |
| 202 | Sheets, Martin | 3 | 3 | 0 | 0 | Jun 21, 1999 | Dec 9, 1999 |
| 203 | Southland Royalty Company | 3 | 3 | 0 | 0 | Jan 16, 1978 | Aug 22, 1979 |
| 204 | Termo Company, The | 3 | 3 | 0 | 0 | Sep 3, 1982 | Apr 27, 1984 |
| 205 | Texas Brine Corporation | 3 | 3 | 0 | 0 | Aug 8, 1997 | Aug 8, 1997 |
| 206 | Trinity Resources, Inc. | 3 | 3 | 0 | 0 | Mar 11, 1983 | Jun 20, 1984 |
| 207 | Txpac Petroleum, Inc. | 3 | 3 | 0 | 0 | Jun 18, 1984 | Nov 13, 1984 |
| 208 | Magnum Producing, LP | 2 | 2 | 0 | 35 | Apr 9, 2004 | Mar 15, 2006 |
| 209 | S & S Energy | 2 | 2 | 0 | 11 | Jul 23, 1990 | Jun 19, 1991 |
| 210 | S & S Operating Company, Inc. | 2 | 2 | 0 | 10 | May 27, 1998 | Oct 18, 1999 |
| 211 | Exxonmobil Pipeline Company LLC | 2 | 2 | 0 | 9 | Apr 15, 2024 | Jul 26, 2024 |
| 212 | Puls Operating Company | 2 | 2 | 0 | 9 | May 25, 2006 | Jun 10, 2022 |
| 213 | Oil Well Buyers Corp. | 2 | 2 | 0 | 8 | Oct 27, 1983 | Feb 26, 1985 |
| 214 | Bennett, Mills Estate | 2 | 2 | 0 | 7 | May 30, 1979 | Dec 22, 1981 |
| 215 | J & L Partners | 2 | 2 | 0 | 6 | Sep 14, 1988 | Jul 5, 1991 |
| 216 | Brown, al A. | 2 | 2 | 0 | 5 | Feb 8, 1984 | Jul 8, 1987 |
| 217 | Cxy Energy Inc. | 2 | 2 | 0 | 4 | Oct 26, 1990 | Sep 11, 1991 |
| 218 | Sue-Ann Production Company | 2 | 2 | 0 | 3 | Feb 26, 1990 | Jun 6, 1990 |
| 219 | Bertman Drilling&producing Corp. | 2 | 2 | 0 | 2 | Oct 19, 1979 | Dec 13, 1982 |
| 220 | Caskids Operating Company | 2 | 2 | 0 | 2 | Feb 13, 1996 | Oct 23, 1997 |
| 221 | Lases Company, Inc. | 2 | 2 | 0 | 2 | Oct 11, 2012 | Dec 13, 2013 |
| 222 | Buttes Resources Company | 2 | 2 | 0 | 1 | Sep 16, 1977 | May 5, 1978 |
| 223 | Canyon Series Exploration, Inc. | 2 | 2 | 0 | 1 | Oct 23, 1987 | Oct 4, 1989 |
| 224 | Chapman Oil | 2 | 2 | 0 | 1 | Oct 26, 1979 | Dec 29, 1983 |
| 225 | Choice Exploration, Inc. | 2 | 2 | 0 | 1 | Apr 1, 2008 | May 30, 2012 |
| 226 | Cimarex Energy Co. | 2 | 2 | 0 | 1 | Apr 23, 2008 | Aug 2, 2008 |
| 227 | CNG Producing Company | 2 | 2 | 0 | 1 | Apr 28, 1987 | May 7, 1998 |
| 228 | Dynamic of Texas, Inc. | 2 | 2 | 0 | 1 | Oct 8, 1996 | Jan 28, 1998 |
| 229 | Gaither Petroleum Corporation | 2 | 2 | 0 | 1 | Nov 20, 2008 | Dec 1, 2023 |
| 230 | Henderson, Peter Oil Co. | 2 | 2 | 0 | 1 | Jul 1, 1977 | Sep 6, 1977 |
| 231 | Llox, L.L.C. | 2 | 2 | 0 | 1 | Jun 16, 2017 | Jun 26, 2018 |
| 232 | National Offshore LP | 2 | 2 | 0 | 1 | Mar 27, 2006 | Jan 18, 2007 |
| 233 | Pacific Enterprises Oil Co.(usa) | 2 | 2 | 0 | 1 | Feb 9, 1990 | Jul 8, 1991 |
| 234 | Riseden, Ltd. | 2 | 2 | 0 | 1 | Dec 9, 1983 | Jan 28, 1985 |
| 235 | St. Mary Energy Company | 2 | 2 | 0 | 1 | Jun 16, 2004 | Sep 6, 2005 |
| 236 | Wintershall Oil and Gas Co. | 2 | 2 | 0 | 1 | Mar 23, 1978 | Apr 26, 1979 |
| 237 | Acock Operating Limited | 2 | 2 | 0 | 0 | Jan 20, 2010 | Nov 9, 2011 |
| 238 | Aikman Petroleum, Inc. | 2 | 2 | 0 | 0 | Oct 2, 1979 | Oct 30, 1979 |
| 239 | American Coastal Energy Ltd. | 2 | 2 | 0 | 0 | Jan 7, 1985 | Jul 17, 1986 |
| 240 | Andress Petroleum, Inc. | 2 | 2 | 0 | 0 | Jun 22, 1982 | Oct 2, 1984 |
| 241 | Bayport Operating, Inc. | 2 | 2 | 0 | 0 | Mar 6, 1987 | Sep 11, 1987 |
| 242 | Beem Oil & Gas Company | 2 | 2 | 0 | 0 | Aug 8, 1986 | Apr 4, 1989 |
| 243 | Buchanan, Wayman W. Inc. | 2 | 2 | 0 | 0 | Nov 28, 1983 | Aug 30, 1989 |
| 244 | Calpine Natural Gas L.P. | 2 | 2 | 0 | 0 | Dec 3, 2004 | Jul 18, 2005 |
| 245 | Challenger Minerals Inc. | 2 | 2 | 0 | 0 | Jun 5, 1996 | Jun 20, 1996 |
| 246 | Coastal Horizons, Inc. | 2 | 2 | 0 | 0 | May 9, 1985 | May 9, 1985 |
| 247 | Daniels Corporation, The | 2 | 2 | 0 | 0 | Sep 2, 1994 | Mar 10, 1998 |
| 248 | Davis Bros. Oil Producers, Inc. | 2 | 2 | 0 | 0 | Nov 17, 1978 | Dec 12, 1980 |
| 249 | Diamond Operating, LLC | 2 | 2 | 0 | 0 | Mar 3, 2009 | Sep 28, 2009 |
| 250 | Dow Chemical Co., The | 2 | 2 | 0 | 0 | Nov 26, 1979 | Oct 15, 1981 |
| 251 | Eex Operating, L.P. | 2 | 2 | 0 | 0 | Mar 28, 2002 | May 10, 2002 |
| 252 | Elliott Oil & Gas Company | 2 | 2 | 0 | 0 | Sep 24, 1991 | Feb 3, 1992 |
| 253 | Enterprise Products Operating LP | 2 | 2 | 0 | 0 | Feb 9, 2005 | Feb 9, 2005 |
| 254 | Equitx Energy Corp. | 2 | 2 | 0 | 0 | Apr 12, 1984 | Dec 4, 1984 |
| 255 | Evans, G. C. | 2 | 2 | 0 | 0 | Mar 4, 1986 | May 1, 1987 |
| 256 | Exxon Corp. - Houston | 2 | 2 | 0 | 0 | Nov 15, 1982 | Nov 17, 1982 |
| 257 | Flow Energy Inc. | 2 | 2 | 0 | 0 | Aug 31, 1990 | Nov 6, 1992 |
| 258 | Flynn Energy Corp. | 2 | 2 | 0 | 0 | Jan 3, 1978 | Dec 31, 1982 |
| 259 | Forest Oil Corp. | 2 | 2 | 0 | 0 | Jul 29, 1994 | Jul 29, 1994 |
| 260 | Fuller, Ancil T. | 2 | 2 | 0 | 0 | Aug 17, 1982 | Mar 14, 1985 |
| 261 | Graham Royalty, Ltd. | 2 | 2 | 0 | 0 | Oct 1, 1990 | Apr 29, 1993 |
| 262 | Hendrik's Holding USA Ltd. | 2 | 2 | 0 | 0 | Nov 12, 1980 | Nov 3, 1981 |
| 263 | Hollis Oil Co. | 2 | 2 | 0 | 0 | Sep 29, 1983 | Nov 22, 1985 |
| 264 | Integral Petroleum Corporation | 2 | 2 | 0 | 0 | Sep 28, 1977 | Feb 22, 1978 |
| 265 | Jimbo, Inc. (I) | 2 | 2 | 0 | 0 | Mar 13, 1987 | Jul 28, 1987 |
| 266 | JMC Resources Corp. | 2 | 2 | 0 | 0 | Dec 29, 1986 | Mar 18, 1987 |
| 267 | Joyce & Hilty | 2 | 2 | 0 | 0 | Dec 29, 1977 | Dec 29, 1977 |
| 268 | Kansas Oil & Gas Corporation | 2 | 2 | 0 | 0 | May 9, 1991 | Apr 19, 1993 |
| 269 | Kenai Oil and Gas Inc. | 2 | 2 | 0 | 0 | Dec 22, 1981 | Dec 22, 1981 |
| 270 | Leger Production Co., Inc. | 2 | 2 | 0 | 0 | Dec 31, 1984 | Sep 27, 1990 |
| 271 | Marsh, Tom F. Inc. | 2 | 2 | 0 | 0 | May 25, 1979 | May 25, 1979 |
| 272 | May Petroleum, Inc. | 2 | 2 | 0 | 0 | Feb 9, 1984 | Sep 18, 1984 |
| 273 | M. B. Energy Services, Inc. | 2 | 2 | 0 | 0 | Jan 13, 1998 | Jun 28, 1999 |
| 274 | M.B. Environmental Services, LLC | 2 | 2 | 0 | 0 | Mar 18, 2010 | Nov 5, 2010 |
| 275 | McCormick Oil & Gas Corp. | 2 | 2 | 0 | 0 | Dec 7, 1977 | May 18, 1979 |
| 276 | McDrilling Company, Inc | 2 | 2 | 0 | 0 | Oct 11, 1979 | Mar 17, 1980 |
| 277 | Merit Energy Company | 2 | 2 | 0 | 0 | Jan 22, 1998 | Dec 1, 1999 |
| 278 | Mitchell Energy Offshore Corp. | 2 | 2 | 0 | 0 | Mar 1, 1984 | Mar 1, 1984 |
| 279 | Mosbacher,robert-Transco Expl. | 2 | 2 | 0 | 0 | Mar 13, 1978 | Dec 11, 1978 |
| 280 | Ojala Production Company | 2 | 2 | 0 | 0 | Jul 17, 1991 | Jul 17, 1991 |
| 281 | OXY Low Carbon Ventures, LLC | 2 | 2 | 0 | 0 | Aug 19, 2022 | Apr 17, 2024 |
| 282 | Pecos Petroleum Company | 2 | 2 | 0 | 0 | Oct 6, 1989 | Feb 1, 1991 |
| 283 | Peninsula Resources Corp. | 2 | 2 | 0 | 0 | Aug 21, 1978 | Dec 12, 1980 |
| 284 | Pennzoil Petroleum Company | 2 | 2 | 0 | 0 | Sep 13, 1993 | Jun 22, 1994 |
| 285 | Prolithic Energy Company, L.P. | 2 | 2 | 0 | 0 | Aug 24, 1999 | May 21, 2001 |
| 286 | Quintex Petroleum Corp. | 2 | 2 | 0 | 0 | Nov 27, 1978 | Dec 27, 1978 |
| 287 | Reading & Bates Development Co. | 2 | 2 | 0 | 0 | Mar 18, 1998 | May 11, 1998 |
| 288 | Realitos II Exploratory Program | 2 | 2 | 0 | 0 | Jul 20, 1979 | Nov 13, 1979 |
| 289 | Republic Resources, LLC, | 2 | 2 | 0 | 0 | Sep 4, 2001 | Oct 30, 2002 |
| 290 | Rosetta Resources Operating LP | 2 | 2 | 0 | 0 | Dec 12, 2006 | Jan 23, 2008 |
| 291 | Safari Production Company, Inc. | 2 | 2 | 0 | 0 | Oct 8, 2002 | Oct 8, 2002 |
| 292 | Samson Lone Star LP | 2 | 2 | 0 | 0 | Nov 8, 2005 | Feb 14, 2007 |
| 293 | Sandefer Petroleum Company | 2 | 2 | 0 | 0 | Feb 8, 1985 | Oct 16, 1990 |
| 294 | Scana Exploration Company | 2 | 2 | 0 | 0 | Oct 14, 1993 | Oct 18, 1993 |
| 295 | Suemaur Expl. & Prod., LLC | 2 | 2 | 0 | 0 | Mar 16, 1999 | Jul 13, 2010 |
| 296 | Summit Resources, Inc. | 2 | 2 | 0 | 0 | Dec 10, 1980 | Dec 27, 1989 |
| 297 | Teal Petroleum Company | 2 | 2 | 0 | 0 | Sep 19, 1977 | Aug 21, 1978 |
| 298 | Texas Crude Exploration, Inc. | 2 | 2 | 0 | 0 | Jul 15, 1983 | Dec 11, 1984 |
| 299 | TJ Production Company | 2 | 2 | 0 | 0 | May 22, 1986 | Jun 19, 1986 |
| 300 | Tomlinson, Thomas K. Inc. | 2 | 2 | 0 | 0 | Mar 10, 1982 | Nov 23, 1982 |
698 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE