COUNTIES · BASTROP · OPERATORS
Bastrop 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 | R.D. Oil Company | 150 | 150 | 0 | 11 | Aug 29, 1983 | Sep 27, 1983 |
| 2 | Austra-Tex Oil Company | 70 | 70 | 0 | 1 | Aug 11, 1981 | Jan 22, 1987 |
| 3 | Petro-Gas, Inc. | 54 | 54 | 0 | 18 | Aug 30, 1979 | Jun 15, 1984 |
| 4 | Nelms Bros. Oil Properties Inc. | 40 | 40 | 0 | 0 | Jan 26, 1987 | Dec 7, 1992 |
| 5 | Oversea Oil Co. | 34 | 34 | 0 | 3 | Apr 9, 1987 | Mar 28, 1991 |
| 6 | Risien, H. V. | 30 | 30 | 0 | 0 | Feb 27, 1981 | Sep 10, 1984 |
| 7 | Kelpetro, Inc. | 28 | 28 | 0 | 0 | Nov 15, 1985 | Sep 10, 1991 |
| 8 | Geosouthern Energy Corporation | 20 | 20 | 11 | 3 | May 12, 2007 | Nov 19, 2012 |
| 9 | Maxwell Production Co., Inc. | 20 | 20 | 0 | 0 | Aug 1, 1986 | Oct 13, 1987 |
| 10 | Avian Tech International, Inc. | 19 | 19 | 0 | 1 | Apr 12, 1991 | Mar 22, 1993 |
| 11 | Ernest Operating Company | 18 | 18 | 0 | 3 | May 20, 1988 | Apr 23, 1990 |
| 12 | Martin Oil & Gas Co. | 17 | 17 | 0 | 1 | Nov 9, 1977 | May 25, 1981 |
| 13 | Melton Energy Inc. | 17 | 17 | 0 | 1 | Jan 28, 1988 | Jul 6, 1992 |
| 14 | Minerals of Texas, Inc. | 17 | 17 | 0 | 1 | Aug 18, 1986 | May 18, 1988 |
| 15 | Continental Gulf Corp. | 16 | 16 | 0 | 0 | May 1, 1985 | Aug 31, 1987 |
| 16 | Shale Operating Co. | 16 | 16 | 0 | 0 | Feb 27, 1990 | Apr 13, 1992 |
| 17 | Energy Equity, Inc. | 15 | 15 | 0 | 2 | Feb 20, 1981 | May 13, 1983 |
| 18 | Magna Oil & Gas Corporation | 14 | 14 | 0 | 1 | Feb 23, 1989 | Apr 6, 1993 |
| 19 | Clark, Jack E. | 14 | 14 | 0 | 0 | Aug 30, 1979 | Feb 11, 1982 |
| 20 | Sand-Tex Oil Co. | 14 | 14 | 0 | 0 | Dec 31, 1986 | Dec 31, 1986 |
| 21 | Brock Exploration Corporation | 13 | 13 | 0 | 0 | Dec 13, 1982 | Jul 1, 1985 |
| 22 | Lower Colorado River Authority | 12 | 12 | 2 | 25 | Oct 11, 1990 | May 29, 1996 |
| 23 | Great Western Resources Corp. | 12 | 12 | 0 | 0 | Jul 17, 1981 | Oct 1, 1981 |
| 24 | Weber Energy Corporation | 12 | 12 | 0 | 0 | Feb 24, 1987 | Sep 6, 1988 |
| 25 | Texakoma Oil & Gas Corporation | 11 | 11 | 0 | 11 | Oct 6, 1987 | Apr 22, 1988 |
| 26 | Mint Energy, Inc. | 11 | 11 | 0 | 2 | Dec 1, 1982 | Feb 11, 1983 |
| 27 | Hollub, Lambert Drilling Company | 10 | 10 | 0 | 1 | Apr 6, 1983 | Feb 14, 1984 |
| 28 | Carter, Gertrude (Trudy) | 10 | 10 | 0 | 0 | Aug 14, 1987 | Oct 26, 1993 |
| 29 | Magna Oil Corporation | 10 | 10 | 0 | 0 | Nov 12, 1987 | Jul 12, 1988 |
| 30 | Stanton Mineral Development Inc | 10 | 10 | 0 | 0 | Jun 6, 1995 | Jan 26, 2000 |
| 31 | Cibolo Energy Operating, Inc. | 9 | 9 | 0 | 6 | Apr 25, 2008 | Oct 19, 2011 |
| 32 | Brittany Drilling Co. | 9 | 9 | 0 | 5 | Apr 27, 1979 | Mar 1, 1982 |
| 33 | Christilin Petroleum Corporation | 9 | 9 | 0 | 5 | Oct 6, 1983 | Jul 23, 1984 |
| 34 | Bar M Petroleum Co., Inc. | 9 | 9 | 0 | 1 | Nov 13, 1979 | Oct 15, 1981 |
| 35 | Bastrop Energy Group | 9 | 9 | 0 | 0 | Jan 21, 1991 | Jan 18, 2023 |
| 36 | Geotech Energy Corp. | 9 | 9 | 0 | 0 | Jun 2, 1987 | Jun 27, 1988 |
| 37 | Lytton Creek Oil Co. | 9 | 9 | 0 | 0 | Jun 23, 1982 | Aug 8, 1989 |
| 38 | Sunoco Energy Development Co. | 9 | 9 | 0 | 0 | Feb 16, 1978 | Feb 16, 1978 |
| 39 | Tex-Lee Operating Company | 8 | 8 | 0 | 5 | May 10, 1984 | Sep 11, 1990 |
| 40 | Mid-Western Oil & Gas, Inc. | 8 | 8 | 0 | 1 | Mar 31, 1987 | Jul 18, 1988 |
| 41 | Maxwell Oil & Gas Corp. | 8 | 8 | 0 | 0 | Oct 7, 1987 | Nov 14, 1991 |
| 42 | Nugget Oil Corporation | 8 | 8 | 0 | 0 | Dec 15, 1986 | Mar 13, 1987 |
| 43 | Rife, Frank Wm., Jr. | 8 | 8 | 0 | 0 | Jul 28, 1977 | Jul 12, 1989 |
| 44 | Sierra Minerals, Inc. | 8 | 8 | 0 | 0 | Jul 16, 1987 | Apr 7, 1988 |
| 45 | Wilson Service Company | 8 | 8 | 0 | 0 | Jun 30, 1987 | Jul 28, 1988 |
| 46 | D-III Petroleum, Inc. | 7 | 7 | 0 | 1 | Jun 21, 1984 | Jun 1, 1990 |
| 47 | Harlow, James | 7 | 7 | 0 | 0 | Jan 29, 1981 | Jan 31, 1983 |
| 48 | Marymac Oil Company | 7 | 7 | 0 | 0 | Aug 3, 1981 | Aug 26, 1985 |
| 49 | Nobleson Operating, Inc. | 7 | 7 | 0 | 0 | Sep 8, 1987 | May 16, 1989 |
| 50 | Orr Production Company | 7 | 7 | 0 | 0 | Mar 15, 1995 | Sep 5, 1997 |
| 51 | Sto Operating Company | 7 | 7 | 2 | 0 | Jun 4, 2007 | Aug 9, 2008 |
| 52 | Wagley, Allen | 7 | 7 | 0 | 0 | May 24, 1979 | Apr 1, 1980 |
| 53 | Wagley Offshore, Ltd. | 7 | 7 | 0 | 0 | Jun 25, 1981 | Jul 1, 1982 |
| 54 | Modern Exploration, Inc. | 6 | 6 | 0 | 6 | Sep 23, 1986 | Mar 10, 1987 |
| 55 | Bostex Operating, Inc. | 6 | 6 | 0 | 2 | Aug 8, 1991 | Jun 4, 1992 |
| 56 | Travco Petroleum, Inc. | 6 | 6 | 0 | 2 | Nov 8, 1982 | Dec 1, 1982 |
| 57 | Black Gold Operating Co., Inc. | 6 | 6 | 0 | 1 | Dec 30, 1986 | Jun 25, 1990 |
| 58 | Chmelar, Eugene Oil & Gas | 6 | 6 | 0 | 1 | Sep 2, 1988 | Oct 30, 1992 |
| 59 | San Antonio Gas & Oil, Inc. | 6 | 6 | 0 | 1 | Jun 8, 1992 | Oct 27, 1995 |
| 60 | Chalker Operating Inc. | 6 | 6 | 0 | 0 | Oct 26, 2010 | Dec 28, 2010 |
| 61 | Gierhart, B. J. Inc. | 6 | 6 | 0 | 0 | Jun 12, 1987 | Nov 4, 1987 |
| 62 | Oiltex, Inc. | 6 | 6 | 0 | 0 | Oct 26, 1984 | Dec 23, 1985 |
| 63 | Plains Petroleum Operating Co. | 6 | 6 | 0 | 0 | Jul 21, 1988 | Nov 6, 1989 |
| 64 | Osyka Oil & Gas, Inc. | 5 | 5 | 0 | 1 | Mar 9, 1993 | Dec 1, 1999 |
| 65 | Republic Mineral Corporation | 5 | 5 | 0 | 1 | Aug 1, 1983 | Mar 6, 1985 |
| 66 | Amberton Exploration Company | 5 | 5 | 0 | 0 | Oct 2, 1987 | Jul 6, 1988 |
| 67 | Crown Equipment Co. | 5 | 5 | 0 | 0 | Oct 21, 2002 | Sep 5, 2003 |
| 68 | Discorbis Oil Co. | 5 | 5 | 0 | 0 | Apr 17, 1979 | Dec 14, 1987 |
| 69 | Diversity Petroleum, LP | 5 | 5 | 2 | 0 | Nov 16, 2007 | Sep 12, 2008 |
| 70 | Escondido Operating | 5 | 5 | 0 | 0 | Mar 19, 1984 | May 2, 1984 |
| 71 | Leexus Oil & Gas L.L.P. | 5 | 5 | 1 | 0 | Apr 6, 2006 | May 1, 2007 |
| 72 | Lynch, W. W. | 5 | 5 | 0 | 0 | May 28, 1982 | Aug 17, 1983 |
| 73 | Magnolia Corporation | 5 | 5 | 0 | 0 | Nov 24, 1982 | Aug 18, 1983 |
| 74 | Multipay Energy, Inc. | 5 | 5 | 0 | 0 | Apr 17, 1987 | Jul 12, 1994 |
| 75 | Nelmark Energy Corporation | 5 | 5 | 0 | 0 | Apr 28, 1992 | Feb 18, 1998 |
| 76 | Petrus Operating Co., Inc. | 5 | 5 | 0 | 0 | Jun 4, 1981 | Jun 18, 1981 |
| 77 | Republic Resources, LLC. | 5 | 5 | 5 | 0 | Jul 31, 2012 | Oct 16, 2014 |
| 78 | Sierra Operating Inc. | 5 | 5 | 0 | 0 | Nov 10, 1982 | Nov 10, 1982 |
| 79 | Voskamp Exploration, Inc. | 5 | 5 | 0 | 0 | Apr 10, 2002 | May 6, 2003 |
| 80 | Wagley International US Inc. | 5 | 5 | 0 | 0 | Jun 25, 1980 | Oct 9, 1980 |
| 81 | A.C.T. Operating Company | 4 | 4 | 0 | 5 | Jun 24, 1994 | Jun 24, 1994 |
| 82 | Hellums, Harold | 4 | 4 | 0 | 3 | Jul 3, 1979 | Dec 23, 1988 |
| 83 | Cobra Oil & Gas Corporation | 4 | 4 | 0 | 2 | Sep 21, 1977 | Apr 21, 1981 |
| 84 | Bar-Mac & Hollub Drilling Co. | 4 | 4 | 0 | 1 | Nov 17, 1980 | Aug 1, 1984 |
| 85 | Cab Energy Group, Inc | 4 | 4 | 0 | 1 | Dec 4, 1981 | Aug 17, 1982 |
| 86 | Escondido Petroleum Company, Inc | 4 | 4 | 0 | 1 | Jan 9, 1989 | Mar 27, 1990 |
| 87 | Christopher Petroleum Corp | 4 | 4 | 0 | 0 | Oct 20, 1983 | Oct 9, 1984 |
| 88 | DLG Oil & Gas, Inc. | 4 | 4 | 0 | 0 | Apr 23, 1986 | Jul 3, 1986 |
| 89 | Falcon Projects, Inc. | 4 | 4 | 0 | 0 | May 31, 1984 | Jul 30, 1984 |
| 90 | P.A.M. Petroleum, Inc. | 4 | 4 | 0 | 0 | Feb 23, 1988 | Aug 29, 1991 |
| 91 | Riddle & Shefts | 4 | 4 | 0 | 0 | Jul 16, 1980 | Nov 27, 1984 |
| 92 | Sonoble Operating, Inc. | 4 | 4 | 0 | 0 | Oct 12, 1987 | Apr 19, 1989 |
| 93 | Union Pacific Resources Company | 4 | 4 | 3 | 0 | Oct 20, 1994 | Aug 6, 1999 |
| 94 | Valentine Oil Company, Inc. | 4 | 4 | 0 | 0 | Apr 20, 1984 | Dec 3, 1984 |
| 95 | R & S Oil Production Co. | 3 | 3 | 0 | 4 | May 21, 2008 | Sep 1, 2010 |
| 96 | Texas Vanguard Oil Company | 3 | 3 | 0 | 4 | Jul 27, 2000 | Aug 6, 2001 |
| 97 | Centex Oil & Gas | 3 | 3 | 0 | 2 | Aug 7, 1987 | Jan 6, 1988 |
| 98 | Hawkeye Oil & Gas Corporation | 3 | 3 | 0 | 2 | Oct 27, 1988 | Feb 8, 1989 |
| 99 | Arpel, Inc. | 3 | 3 | 0 | 1 | Jun 25, 1980 | May 21, 1987 |
| 100 | Lammerts, Robert P. | 3 | 3 | 0 | 1 | Oct 30, 1980 | Jul 27, 1981 |
| 101 | Riddle, W. C. | 3 | 3 | 0 | 1 | Apr 23, 1979 | Sep 14, 1983 |
| 102 | Tanglewood Oil & Gas Co. | 3 | 3 | 0 | 1 | Jan 9, 2003 | Aug 13, 2004 |
| 103 | Williams, Clayton W., Jr. | 3 | 3 | 0 | 1 | Oct 17, 1977 | Nov 22, 1977 |
| 104 | August Oil | 3 | 3 | 0 | 0 | Jun 22, 1987 | Mar 11, 1988 |
| 105 | Bostex Operating | 3 | 3 | 0 | 0 | Apr 18, 1991 | Jun 25, 1991 |
| 106 | Coates Energy Trust | 3 | 3 | 0 | 0 | Aug 27, 1987 | Dec 7, 1987 |
| 107 | Crude Petroleum Corporation | 3 | 3 | 0 | 0 | Aug 4, 1982 | Aug 10, 1982 |
| 108 | Fire Creek Petroleum, Inc. | 3 | 3 | 0 | 0 | Apr 17, 1991 | Feb 25, 1993 |
| 109 | Grayco Oil & Gas, Inc. | 3 | 3 | 0 | 0 | Apr 11, 1988 | Jul 13, 1988 |
| 110 | Hou-Tex Oil & Gas Co. | 3 | 3 | 0 | 0 | Jun 12, 1980 | May 4, 1981 |
| 111 | Leexus Operating Company | 3 | 3 | 0 | 0 | Jul 24, 2007 | Sep 4, 2007 |
| 112 | Loduri Oil Co. | 3 | 3 | 0 | 0 | Nov 20, 1978 | Nov 20, 1978 |
| 113 | Luling Leasing & Operating Co. | 3 | 3 | 0 | 0 | Jun 30, 1978 | Dec 6, 1978 |
| 114 | Mueller Engineering Corp. | 3 | 3 | 0 | 0 | Jul 17, 1985 | Dec 31, 1985 |
| 115 | Newhall Resources | 3 | 3 | 0 | 0 | Jul 26, 1985 | Jan 26, 1987 |
| 116 | North American Oil & Gas, Inc. | 3 | 3 | 0 | 0 | Oct 15, 1986 | Feb 10, 1987 |
| 117 | Oiltex International Ltd | 3 | 3 | 0 | 0 | Jul 20, 1983 | Jun 21, 1984 |
| 118 | Perkins Oil Company | 3 | 3 | 0 | 0 | Jun 23, 1978 | Apr 22, 1981 |
| 119 | Pool & Robertson | 3 | 3 | 0 | 0 | Jun 30, 1978 | Oct 3, 1980 |
| 120 | Prattco Minerals, Inc. | 3 | 3 | 0 | 0 | Mar 4, 1982 | Jun 28, 1982 |
| 121 | Rich Exploration, Inc. | 3 | 3 | 0 | 0 | Jun 24, 1983 | Dec 9, 1983 |
| 122 | Shefts & Shefts, Inc. | 3 | 3 | 0 | 0 | Dec 22, 1987 | Jul 9, 1991 |
| 123 | S. & W. Drilling | 3 | 3 | 0 | 0 | Feb 4, 1982 | Jun 14, 1982 |
| 124 | Texacan Energy Inc. | 3 | 3 | 0 | 0 | May 4, 1981 | Nov 10, 1981 |
| 125 | United Operating, LLC | 2 | 2 | 0 | 10 | Jun 21, 2011 | Jul 18, 2014 |
| 126 | Warrior Resources Inc. | 2 | 2 | 0 | 4 | Jul 15, 2010 | Dec 18, 2012 |
| 127 | Aaa Operating Company Inc. | 2 | 2 | 0 | 2 | Nov 24, 1981 | Jan 12, 1984 |
| 128 | KCS Resources, Inc. | 2 | 2 | 1 | 2 | Apr 23, 1996 | Aug 21, 1996 |
| 129 | LP Operating, LLC | 2 | 2 | 0 | 2 | Oct 8, 2014 | Oct 9, 2014 |
| 130 | Baker Oil, Inc | 2 | 2 | 0 | 1 | Dec 3, 2021 | Sep 13, 2022 |
| 131 | Fargo Energy Corporation (A) | 2 | 2 | 0 | 1 | Dec 21, 1984 | Jan 7, 1985 |
| 132 | Harvey Brothers Oil & Gas | 2 | 2 | 0 | 1 | Nov 12, 1987 | Dec 3, 1987 |
| 133 | Rockne Oil Group | 2 | 2 | 0 | 1 | Sep 28, 1990 | Feb 25, 1991 |
| 134 | Thomas Oil & Gas Company | 2 | 2 | 0 | 1 | Sep 28, 1993 | Oct 26, 1993 |
| 135 | 12TH. Power Energy | 2 | 2 | 0 | 0 | Dec 27, 1996 | Aug 4, 1997 |
| 136 | Aladdin Petroleum Company | 2 | 2 | 0 | 0 | Mar 30, 1983 | Jun 22, 1983 |
| 137 | American Star Energy & Min. Corp | 2 | 2 | 0 | 0 | Aug 9, 1979 | Jan 7, 1980 |
| 138 | Aurora Petroleum Ltd. | 2 | 2 | 0 | 0 | Nov 17, 1989 | Mar 22, 1990 |
| 139 | Barrett, A T Corporation | 2 | 2 | 0 | 0 | Jul 22, 1983 | Jul 23, 1984 |
| 140 | Barrett, N. L. | 2 | 2 | 0 | 0 | Jan 15, 1979 | Nov 20, 1980 |
| 141 | Berdoll, Hal | 2 | 2 | 0 | 0 | Aug 5, 1981 | Aug 5, 1981 |
| 142 | Carter E&P, LLC | 2 | 2 | 0 | 0 | Sep 29, 2005 | Nov 4, 2005 |
| 143 | Chafin & Hedges Petroleum Co. | 2 | 2 | 0 | 0 | Nov 16, 1978 | Dec 14, 1978 |
| 144 | Chmelar, Eugene Oil & Gas, Inc. | 2 | 2 | 0 | 0 | Dec 11, 1987 | Jan 7, 1988 |
| 145 | Clark Oil, Inc. | 2 | 2 | 0 | 0 | Mar 7, 1994 | Mar 7, 1994 |
| 146 | D-J Oil & Gas Company | 2 | 2 | 0 | 0 | Sep 17, 1982 | Sep 23, 1982 |
| 147 | Energetics, Inc. | 2 | 2 | 0 | 0 | Jul 28, 1980 | Apr 29, 1981 |
| 148 | Enserch Exploration, Inc | 2 | 2 | 0 | 0 | May 28, 1981 | Feb 1, 1982 |
| 149 | Enterprise Products Operatingllc | 2 | 2 | 0 | 0 | Jul 15, 2010 | Jun 12, 2013 |
| 150 | Enterprise Products Texas OP LLC | 2 | 2 | 0 | 0 | May 24, 2023 | Sep 29, 2025 |
| 151 | Gill, Peter Operator | 2 | 2 | 0 | 0 | Mar 5, 1981 | Mar 5, 1981 |
| 152 | Gulf Energy Producing Company | 2 | 2 | 0 | 0 | Mar 31, 1981 | Apr 30, 1981 |
| 153 | Hamman Oil & Refg. Co. | 2 | 2 | 0 | 0 | Dec 31, 1980 | Feb 2, 1981 |
| 154 | Hankamer, Curtis Corporation,the | 2 | 2 | 0 | 0 | Jul 28, 1981 | Aug 7, 1981 |
| 155 | Hess, Jerry Operating Co. | 2 | 2 | 0 | 0 | Apr 4, 1988 | Nov 19, 2010 |
| 156 | Humble Exploration Co., Inc. | 2 | 2 | 0 | 0 | Nov 16, 1977 | Apr 20, 1982 |
| 157 | Impetro Operating LLC | 2 | 2 | 2 | 0 | Feb 19, 2010 | Oct 17, 2014 |
| 158 | Johnson Royalties, Inc. | 2 | 2 | 0 | 0 | Nov 16, 1999 | Nov 14, 2001 |
| 159 | Klutts, Carlos J. | 2 | 2 | 0 | 0 | Oct 20, 1994 | Nov 14, 1994 |
| 160 | Leonard, J. A. | 2 | 2 | 0 | 0 | May 25, 1984 | Jul 13, 1984 |
| 161 | Lewter Oil Co., Inc. | 2 | 2 | 0 | 0 | Jul 13, 1977 | Feb 24, 1981 |
| 162 | L & L Petroleum Corp. | 2 | 2 | 0 | 0 | Feb 5, 1980 | May 14, 1980 |
| 163 | Lynch, W. Waldo | 2 | 2 | 0 | 0 | Jul 22, 1981 | Aug 25, 1981 |
| 164 | Lynn, Larry J. | 2 | 2 | 0 | 0 | Aug 9, 1978 | Oct 2, 1978 |
| 165 | M & G Operating Company | 2 | 2 | 0 | 0 | Jul 14, 1980 | Jul 15, 1980 |
| 166 | Mosbacher Production Co. | 2 | 2 | 0 | 0 | Jun 4, 1982 | Dec 21, 1982 |
| 167 | Noble Producing Company Inc. | 2 | 2 | 0 | 0 | Dec 13, 1985 | May 19, 1987 |
| 168 | Patton Exploration, Inc. | 2 | 2 | 0 | 0 | May 21, 2007 | Aug 12, 2008 |
| 169 | Petrotex | 2 | 2 | 0 | 0 | Feb 9, 1983 | Feb 9, 1983 |
| 170 | Petrowarrior Oil and Gas, Inc. | 2 | 2 | 0 | 0 | Apr 22, 1981 | Jun 12, 1981 |
| 171 | Regal Petroleum Services | 2 | 2 | 0 | 0 | Apr 3, 1995 | Jun 29, 1995 |
| 172 | Rogers, Danny A.consulting Serv. | 2 | 2 | 0 | 0 | Aug 11, 1981 | Jul 28, 1983 |
| 173 | Romoco Resources, Inc. | 2 | 2 | 0 | 0 | Dec 3, 1987 | May 11, 1988 |
| 174 | Scott Petroleum, Inc. | 2 | 2 | 0 | 0 | Jun 6, 1988 | Nov 28, 1988 |
| 175 | Shield Petroleum | 2 | 2 | 0 | 0 | Aug 20, 1987 | Sep 8, 1987 |
| 176 | S-J Oil & Gas | 2 | 2 | 0 | 0 | Dec 28, 1982 | Dec 29, 1982 |
| 177 | Skidmore Oil Co. | 2 | 2 | 0 | 0 | Oct 23, 1980 | Dec 8, 1980 |
| 178 | South Texas Drilling & Expl, Inc | 2 | 2 | 0 | 0 | Aug 27, 1993 | Jan 23, 1995 |
| 179 | Spencer's Well Service, Inc. | 2 | 2 | 0 | 0 | Aug 25, 1978 | Sep 29, 1978 |
| 180 | Spiller, J.A. | 2 | 2 | 0 | 0 | Dec 1, 1994 | Sep 15, 1995 |
| 181 | Spiller, Joseph A. | 2 | 2 | 0 | 0 | Jan 23, 1991 | Apr 3, 1991 |
| 182 | Tejas Drilling Inc. | 2 | 2 | 0 | 0 | Mar 9, 1989 | Apr 26, 1989 |
| 183 | Tejones Operating Corporation | 2 | 2 | 0 | 0 | May 17, 2006 | May 19, 2010 |
| 184 | Tekna Synergy Corporation | 2 | 2 | 1 | 0 | Aug 21, 1992 | Sep 3, 1992 |
| 185 | Texam Resources, Inc. | 2 | 2 | 0 | 0 | Oct 30, 1985 | Dec 27, 1985 |
| 186 | Texas Gulf Energy, Inc. | 2 | 2 | 0 | 0 | Dec 9, 1977 | Apr 7, 1978 |
| 187 | Tex-Lee Exploration Company | 2 | 2 | 0 | 0 | Jun 11, 1980 | Jun 5, 1984 |
| 188 | Threshold Energy, Inc. | 2 | 2 | 0 | 0 | Sep 27, 1983 | Sep 27, 1983 |
| 189 | Tops, Inc. & Carlton Drilling Co | 2 | 2 | 0 | 0 | Aug 10, 1981 | Aug 28, 1981 |
| 190 | Tortuga Operating Company | 2 | 2 | 0 | 0 | Sep 3, 1986 | Sep 14, 1987 |
| 191 | Triad Energy Corporation | 2 | 2 | 0 | 0 | Dec 3, 1984 | Dec 27, 1985 |
| 192 | Triple J Investments Inc. | 2 | 2 | 0 | 0 | Jul 7, 1987 | Jul 7, 1987 |
| 193 | Universal Explorations | 2 | 2 | 0 | 0 | Apr 20, 1982 | Oct 7, 1982 |
| 194 | Wainoco Oil & Gas Company | 2 | 2 | 0 | 0 | Jun 4, 1979 | Sep 18, 1979 |
| 195 | Walker Operating Company | 2 | 2 | 0 | 0 | Jun 16, 2023 | Jun 23, 2023 |
| 196 | WCS Oil and Gas Corporation | 2 | 2 | 0 | 0 | Aug 6, 1986 | Feb 18, 1987 |
| 197 | Webb, David | 2 | 2 | 0 | 0 | Mar 26, 1984 | Apr 11, 1984 |
| 198 | Westchase Petroleum Corp. | 2 | 2 | 0 | 0 | May 25, 1981 | Jun 10, 1981 |
| 199 | J & J Lease Service | 1 | 1 | 0 | 5 | Jan 6, 1987 | Jan 6, 1987 |
| 200 | MCZ, Inc. | 1 | 1 | 0 | 3 | Jan 29, 1986 | Jan 29, 1986 |
| 201 | Hancorp, Inc. | 1 | 1 | 1 | 2 | Feb 8, 1989 | Feb 8, 1989 |
| 202 | A&l Partnership | 1 | 1 | 0 | 1 | Nov 23, 1987 | Nov 23, 1987 |
| 203 | Altex Petroleum, Inc. | 1 | 1 | 0 | 1 | Apr 9, 1990 | Apr 9, 1990 |
| 204 | Ashton Oil & Gas Co., Inc. | 1 | 1 | 0 | 1 | Aug 20, 1981 | Aug 20, 1981 |
| 205 | BBX Operating, L.L.C. | 1 | 1 | 0 | 1 | Apr 24, 2003 | Apr 24, 2003 |
| 206 | Brock Oil & Gas Corporation | 1 | 1 | 0 | 1 | Dec 12, 1986 | Dec 12, 1986 |
| 207 | C-Air Drilling, Inc. | 1 | 1 | 0 | 1 | Oct 1, 1981 | Oct 1, 1981 |
| 208 | Das Investment Group | 1 | 1 | 0 | 1 | Oct 24, 1988 | Oct 24, 1988 |
| 209 | Empire Oil & Gas Services, Inc | 1 | 1 | 0 | 1 | Sep 24, 1996 | Sep 24, 1996 |
| 210 | E & W Services, Inc. | 1 | 1 | 0 | 1 | Apr 19, 1988 | Apr 19, 1988 |
| 211 | Heritage Energy, Inc. (NV) | 1 | 1 | 0 | 1 | Dec 14, 1998 | Dec 14, 1998 |
| 212 | Hughes, Dan A. Company, L.P. | 1 | 1 | 0 | 1 | Jan 28, 2009 | Jan 28, 2009 |
| 213 | Larison Oil Company | 1 | 1 | 0 | 1 | Aug 23, 2002 | Aug 23, 2002 |
| 214 | Lynd, J. L., Inc. | 1 | 1 | 0 | 1 | Nov 22, 1995 | Nov 22, 1995 |
| 215 | McA Petroleum Corporation | 1 | 1 | 0 | 1 | Feb 8, 1988 | Feb 8, 1988 |
| 216 | Network Systems Ogp Corp. | 1 | 1 | 0 | 1 | Jul 27, 1981 | Jul 27, 1981 |
| 217 | Somont Oil Co., Inc. | 1 | 1 | 0 | 1 | Jul 29, 1987 | Jul 29, 1987 |
| 218 | Texoma Production Company | 1 | 1 | 0 | 1 | Feb 18, 1982 | Feb 18, 1982 |
| 219 | Union Dominion Oil Corporation | 1 | 1 | 0 | 1 | Mar 8, 1983 | Mar 8, 1983 |
| 220 | Xenon Energy, Inc. | 1 | 1 | 0 | 1 | Nov 27, 1991 | Nov 27, 1991 |
| 221 | Acieteros, Ltd. | 1 | 1 | 0 | 0 | Mar 11, 1981 | Mar 11, 1981 |
| 222 | Ada Oil Exploration Corp. | 1 | 1 | 0 | 0 | May 19, 1980 | May 19, 1980 |
| 223 | A & D Petroleum Company | 1 | 1 | 0 | 0 | Dec 1, 1980 | Dec 1, 1980 |
| 224 | Alexander Pet. Consultants, Inc. | 1 | 1 | 0 | 0 | Jun 17, 1983 | Jun 17, 1983 |
| 225 | Alpha Exploration | 1 | 1 | 0 | 0 | Jan 24, 1983 | Jan 24, 1983 |
| 226 | Alta Mesa Services, LP | 1 | 1 | 0 | 0 | Jul 26, 2010 | Jul 26, 2010 |
| 227 | American Fibre Corporation | 1 | 1 | 1 | 0 | Nov 20, 1990 | Nov 20, 1990 |
| 228 | AM-Tex Drilling & Explor., Inc. | 1 | 1 | 0 | 0 | Apr 2, 1987 | Apr 2, 1987 |
| 229 | Antioch Oil Company | 1 | 1 | 0 | 0 | Jan 13, 1986 | Jan 13, 1986 |
| 230 | Arbol Resources, Inc. | 1 | 1 | 0 | 0 | Jan 11, 1988 | Jan 11, 1988 |
| 231 | Bandera Petroleum, Inc. | 1 | 1 | 0 | 0 | Nov 9, 1990 | Nov 9, 1990 |
| 232 | Bar E Inc. | 1 | 1 | 0 | 0 | Mar 27, 1990 | Mar 27, 1990 |
| 233 | Bass Petroleum | 1 | 1 | 0 | 0 | Dec 11, 1992 | Dec 11, 1992 |
| 234 | BBL Oil & Gas Company | 1 | 1 | 0 | 0 | Jun 11, 1984 | Jun 11, 1984 |
| 235 | B.E.D. Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Mar 13, 1985 | Mar 13, 1985 |
| 236 | Berdoll, Hal Inc. | 1 | 1 | 0 | 0 | Dec 7, 1981 | Dec 7, 1981 |
| 237 | B-G Operating Inc. | 1 | 1 | 0 | 0 | Mar 5, 1982 | Mar 5, 1982 |
| 238 | Big Country Operating & Well Ser | 1 | 1 | 0 | 0 | Feb 26, 1987 | Feb 26, 1987 |
| 239 | Billings, L. Charles | 1 | 1 | 0 | 0 | Apr 14, 1981 | Apr 14, 1981 |
| 240 | Black Butte Drilling, LLC | 1 | 1 | 0 | 0 | Dec 18, 2014 | Dec 18, 2014 |
| 241 | Black Gold Oil Co. | 1 | 1 | 0 | 0 | Jun 13, 1978 | Jun 13, 1978 |
| 242 | Black Hawk Production Co. | 1 | 1 | 0 | 0 | Sep 16, 1982 | Sep 16, 1982 |
| 243 | Blackmar, Jim Oil Operator | 1 | 1 | 0 | 0 | Jun 12, 1991 | Jun 12, 1991 |
| 244 | Bold Breed Farms, Inc. | 1 | 1 | 0 | 0 | Dec 27, 1983 | Dec 27, 1983 |
| 245 | Bridges & Basil | 1 | 1 | 0 | 0 | Apr 24, 1989 | Apr 24, 1989 |
| 246 | Bse Production Co. | 1 | 1 | 0 | 0 | Dec 10, 1986 | Dec 10, 1986 |
| 247 | Burke, Harry Petroleum | 1 | 1 | 0 | 0 | Sep 23, 1981 | Sep 23, 1981 |
| 248 | California Norris Oil Co. | 1 | 1 | 0 | 0 | Feb 5, 1982 | Feb 5, 1982 |
| 249 | Carbon Investments | 1 | 1 | 0 | 0 | Mar 30, 1984 | Mar 30, 1984 |
| 250 | Central Texas Petroleum, Inc. | 1 | 1 | 0 | 0 | Mar 2, 1981 | Mar 2, 1981 |
| 251 | Chalfont Operating Company | 1 | 1 | 0 | 0 | May 25, 1982 | May 25, 1982 |
| 252 | Champlin Exploration, Inc. | 1 | 1 | 0 | 0 | Mar 20, 1980 | Mar 20, 1980 |
| 253 | Coates, George H. Estate Of | 1 | 1 | 0 | 0 | Jun 6, 1980 | Jun 6, 1980 |
| 254 | Coho Resources Inc. | 1 | 1 | 0 | 0 | Mar 8, 1982 | Mar 8, 1982 |
| 255 | Colby Co., Inc. | 1 | 1 | 0 | 0 | Jun 21, 1991 | Jun 21, 1991 |
| 256 | Continental U S Exploration, Inc | 1 | 1 | 0 | 0 | Jun 5, 1984 | Jun 5, 1984 |
| 257 | Cooke & Cooke, Inc. | 1 | 1 | 0 | 0 | Jul 6, 1978 | Jul 6, 1978 |
| 258 | Corum Production Company | 1 | 1 | 0 | 0 | Aug 24, 2009 | Aug 24, 2009 |
| 259 | Csa Exploration Company, Inc. | 1 | 1 | 0 | 0 | May 28, 1993 | May 28, 1993 |
| 260 | Damson Oil Corp. | 1 | 1 | 0 | 0 | Dec 23, 1983 | Dec 23, 1983 |
| 261 | Dobilon, Inc. | 1 | 1 | 0 | 0 | Mar 17, 1982 | Mar 17, 1982 |
| 262 | Dobos, James D. Corporation | 1 | 1 | 0 | 0 | May 28, 1987 | May 28, 1987 |
| 263 | Drill-Co., Inc. | 1 | 1 | 0 | 0 | May 30, 2002 | May 30, 2002 |
| 264 | DSP Exploration | 1 | 1 | 0 | 0 | Nov 17, 1981 | Nov 17, 1981 |
| 265 | Durango Exploration, Inc. | 1 | 1 | 0 | 0 | Apr 17, 1984 | Apr 17, 1984 |
| 266 | Eagle Assoc. Drlg.program 1984-A | 1 | 1 | 0 | 0 | May 29, 1986 | May 29, 1986 |
| 267 | Eagle Oil & Gas Co. | 1 | 1 | 0 | 0 | Dec 30, 1987 | Dec 30, 1987 |
| 268 | East Texas Drilling Co., Inc. | 1 | 1 | 0 | 0 | Dec 31, 1981 | Dec 31, 1981 |
| 269 | East Texas Drlg. Co. Inc. | 1 | 1 | 0 | 0 | May 19, 1981 | May 19, 1981 |
| 270 | Edco Energy, Inc. | 1 | 1 | 1 | 0 | Feb 1, 1995 | Feb 1, 1995 |
| 271 | Energy Exploration, Inc. | 1 | 1 | 0 | 0 | Jun 28, 1989 | Jun 28, 1989 |
| 272 | Equilon Pipeline Co LLC | 1 | 1 | 0 | 0 | Nov 20, 2001 | Nov 20, 2001 |
| 273 | Ergon Energy Partners, L.P. | 1 | 1 | 1 | 0 | Nov 5, 2010 | Nov 5, 2010 |
| 274 | E.T. Oil and Gas | 1 | 1 | 0 | 0 | Jan 20, 1984 | Jan 20, 1984 |
| 275 | Farlow Exploration Inc. | 1 | 1 | 0 | 0 | Jan 17, 1984 | Jan 17, 1984 |
| 276 | Finger Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Jan 22, 2016 | Jan 22, 2016 |
| 277 | Foster Energy | 1 | 1 | 0 | 0 | Nov 15, 1989 | Nov 15, 1989 |
| 278 | Galaxy Oil Company | 1 | 1 | 0 | 0 | Oct 23, 1979 | Oct 23, 1979 |
| 279 | Geochemical Surveys, Inc. | 1 | 1 | 0 | 0 | Sep 28, 1978 | Sep 28, 1978 |
| 280 | Geomeg Energy Operating Co., LLC | 1 | 1 | 0 | 0 | Apr 20, 2012 | Apr 20, 2012 |
| 281 | Goldmark Energy Corporation | 1 | 1 | 0 | 0 | Mar 13, 1991 | Mar 13, 1991 |
| 282 | Gulfco Production, Inc. | 1 | 1 | 0 | 0 | Oct 27, 1981 | Oct 27, 1981 |
| 283 | Gulfstar Properties, Inc. | 1 | 1 | 0 | 0 | Mar 30, 1987 | Mar 30, 1987 |
| 284 | Hankamer, Curtis | 1 | 1 | 0 | 0 | Mar 3, 1981 | Mar 3, 1981 |
| 285 | Harrison, Pat | 1 | 1 | 0 | 0 | Apr 22, 1987 | Apr 22, 1987 |
| 286 | Hemphill, Terrell | 1 | 1 | 0 | 0 | Apr 18, 1983 | Apr 18, 1983 |
| 287 | Herd Oil Co. | 1 | 1 | 0 | 0 | Apr 30, 1981 | Apr 30, 1981 |
| 288 | H. & J. Drilling Company | 1 | 1 | 0 | 0 | Jul 17, 1987 | Jul 17, 1987 |
| 289 | Home Petroleum Corporation | 1 | 1 | 0 | 0 | Oct 7, 1981 | Oct 7, 1981 |
| 290 | Hopi, Inc. | 1 | 1 | 0 | 0 | Nov 16, 1987 | Nov 16, 1987 |
| 291 | Houston Domestic Oil Company | 1 | 1 | 0 | 0 | Oct 31, 1977 | Oct 31, 1977 |
| 292 | Houston Pet. Co. | 1 | 1 | 0 | 0 | Apr 19, 1984 | Apr 19, 1984 |
| 293 | Howell Drilling, Inc. | 1 | 1 | 0 | 0 | Sep 5, 1980 | Sep 5, 1980 |
| 294 | Hrbacek Oil Corp. | 1 | 1 | 0 | 0 | May 9, 1980 | May 9, 1980 |
| 295 | HRH Energy Group Incorporated | 1 | 1 | 0 | 0 | Oct 15, 1987 | Oct 15, 1987 |
| 296 | Hughey, W. R., Operating Co. | 1 | 1 | 0 | 0 | May 20, 1980 | May 20, 1980 |
| 297 | Huisache Petroleum Co., Inc. | 1 | 1 | 0 | 0 | Oct 22, 1982 | Oct 22, 1982 |
| 298 | Hunt, Chester Oil Co. | 1 | 1 | 0 | 0 | Feb 24, 1984 | Feb 24, 1984 |
| 299 | Inland Ocean, Inc. | 1 | 1 | 0 | 0 | Jun 7, 1983 | Jun 7, 1983 |
| 300 | Jet Oil Co. | 1 | 1 | 0 | 0 | Apr 9, 1979 | Apr 9, 1979 |
470 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE