Bexar 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 | 776 | 776 | 0 | 106 | Mar 24, 1982 | May 21, 1990 |
| 2 | El Dorado Oil & Gas Inc. | 776 | 776 | 0 | 1 | Feb 26, 1982 | Jul 9, 1985 |
| 3 | Oil Investors Ltd. Inc. | 393 | 393 | 0 | 2 | Aug 21, 1981 | Jun 14, 1984 |
| 4 | Hoe Oil Company | 318 | 318 | 0 | 0 | Jun 20, 1983 | Oct 16, 1985 |
| 5 | Kipling, Inc. | 259 | 259 | 0 | 10 | Mar 20, 1979 | Oct 16, 1985 |
| 6 | Monroe Well Service, Inc. | 248 | 248 | 0 | 0 | Jan 14, 1985 | Apr 8, 1986 |
| 7 | Seagull Operating Co., Inc. | 204 | 204 | 0 | 26 | Sep 24, 1980 | Oct 17, 2011 |
| 8 | Akm Company | 188 | 188 | 0 | 0 | Dec 13, 1985 | Jun 11, 1986 |
| 9 | Petro-Tex Energy & Expl.co.,inc. | 146 | 146 | 1 | 32 | Mar 14, 1983 | Jun 17, 1993 |
| 10 | Seeker Oil Company, Incorporated | 128 | 128 | 0 | 220 | Nov 30, 1982 | Oct 16, 1996 |
| 11 | McFadden Oil Corporation | 123 | 123 | 0 | 1 | Jun 7, 1977 | Jan 26, 1982 |
| 12 | Schimmel, V.G. | 115 | 115 | 0 | 0 | Jul 17, 1980 | Apr 26, 1984 |
| 13 | Schimmel, V. I. | 111 | 111 | 0 | 1 | Sep 7, 1977 | Nov 3, 1983 |
| 14 | Ria Mia Corp. | 108 | 108 | 0 | 9 | Oct 23, 1978 | Mar 22, 1989 |
| 15 | Dorris Petroleum, Inc. | 101 | 101 | 2 | 11 | Sep 11, 1981 | May 25, 1990 |
| 16 | Colstar Petroleum, Corp. | 87 | 87 | 0 | 0 | Nov 28, 1984 | Jan 21, 1986 |
| 17 | CG Oil Co. | 84 | 84 | 0 | 12 | Sep 8, 1983 | Sep 2, 1988 |
| 18 | Dawes, Guy Construction Company | 83 | 83 | 0 | 0 | May 29, 1981 | Jun 30, 1981 |
| 19 | Far, Inc. | 82 | 82 | 0 | 21 | Mar 30, 1981 | Dec 13, 1987 |
| 20 | Hillside Equities, Inc. | 82 | 82 | 0 | 0 | Apr 23, 1986 | Mar 30, 1987 |
| 21 | Lee Petroleum Corp. | 79 | 79 | 0 | 0 | May 10, 1979 | Apr 1, 1982 |
| 22 | Western Petroleum Associates Inc | 77 | 77 | 0 | 0 | Jan 16, 1980 | Dec 15, 1983 |
| 23 | Carter, Shirley Oil Co | 76 | 76 | 0 | 0 | Sep 11, 1981 | Jul 18, 1983 |
| 24 | Silver Falls Petroleum Corp. | 72 | 72 | 0 | 10 | Dec 21, 1981 | Dec 28, 1984 |
| 25 | Flori-Tex Energy Corp. | 69 | 69 | 0 | 10 | Feb 4, 1981 | Dec 21, 1984 |
| 26 | Sendero Petroleum Corporation | 67 | 67 | 0 | 0 | Dec 10, 1979 | Mar 26, 1980 |
| 27 | Southwest Bailer Pump Co. | 64 | 64 | 0 | 12 | May 13, 1983 | Jun 12, 1986 |
| 28 | Cottonwood Energy Dev. Corp. | 62 | 62 | 0 | 14 | Mar 23, 1983 | Feb 10, 1986 |
| 29 | D & M Drilling | 57 | 57 | 0 | 0 | Nov 12, 1981 | Nov 12, 1981 |
| 30 | T. W. Oil Co. | 56 | 56 | 0 | 6 | Sep 3, 1980 | Dec 30, 1983 |
| 31 | Simcor Energy Corporation | 53 | 53 | 0 | 0 | Jul 19, 1982 | Apr 20, 1984 |
| 32 | Somerset Insulation Inc. | 48 | 48 | 0 | 0 | Dec 27, 1979 | Mar 30, 1987 |
| 33 | Caltex Energy Corp. | 47 | 47 | 0 | 0 | Jun 28, 1983 | Jan 31, 1984 |
| 34 | Duncan Production | 44 | 44 | 0 | 0 | Mar 15, 1984 | Feb 27, 1986 |
| 35 | Ramirez, Valente | 43 | 43 | 0 | 2 | Jul 31, 1981 | Feb 22, 1988 |
| 36 | Petropoint Corporation | 42 | 42 | 0 | 0 | Apr 18, 1984 | Jan 29, 1986 |
| 37 | Utopia Oil Company | 41 | 41 | 0 | 4 | Feb 28, 1980 | Jan 14, 1981 |
| 38 | Mid-Texas Resources, Inc. | 41 | 41 | 0 | 0 | Aug 14, 1985 | Feb 3, 1986 |
| 39 | Great Southwest Explor&drilling | 38 | 38 | 0 | 1 | Mar 4, 1983 | Aug 16, 1985 |
| 40 | Lantana Resources, Inc. | 38 | 38 | 0 | 0 | Jun 4, 1981 | Jan 27, 1984 |
| 41 | Omni Oil & Gas, Inc. | 38 | 38 | 0 | 0 | Aug 2, 2010 | Mar 13, 2015 |
| 42 | Gathings, W. G. | 37 | 37 | 0 | 0 | Dec 31, 1979 | Dec 22, 1981 |
| 43 | Oil Country Corporation | 36 | 36 | 0 | 1 | Nov 5, 1982 | Feb 28, 1985 |
| 44 | Dicoil Production-Wes Dick | 35 | 35 | 0 | 0 | Nov 2, 1981 | Jul 2, 1985 |
| 45 | American Energy Development Co. | 33 | 33 | 0 | 0 | Jul 8, 1982 | Nov 14, 1983 |
| 46 | Miranda Energy Corporation | 33 | 33 | 0 | 0 | Sep 25, 1984 | Mar 5, 1986 |
| 47 | Somerset Oil Company | 31 | 31 | 0 | 1 | Jul 19, 1982 | Oct 18, 1984 |
| 48 | Texas American Oil Corp. | 31 | 31 | 0 | 1 | Mar 16, 1978 | Jan 25, 1985 |
| 49 | Caltate Energy Corp. | 28 | 28 | 0 | 9 | Apr 19, 1984 | Dec 22, 1987 |
| 50 | Premier Minerals, Inc. | 28 | 28 | 0 | 0 | Apr 25, 2013 | Dec 5, 2014 |
| 51 | K2 Petroleum, Inc. | 27 | 27 | 0 | 19 | Oct 15, 1982 | Nov 21, 1984 |
| 52 | Hodge, C. Energy Inc. | 27 | 27 | 1 | 5 | Aug 8, 1986 | Aug 14, 1990 |
| 53 | Badger State Inv Ltd PT 83-I&ii | 27 | 27 | 0 | 2 | Nov 22, 1983 | Dec 12, 1984 |
| 54 | Brown, Gilbert L. | 27 | 27 | 0 | 2 | Dec 21, 1979 | Jun 18, 1985 |
| 55 | Chaparral Producers | 26 | 26 | 0 | 0 | Jan 14, 1983 | Oct 5, 1984 |
| 56 | Grande Operating & Expl. Company | 25 | 25 | 0 | 4 | Jul 19, 1983 | Oct 17, 1985 |
| 57 | Clear Water Oil & Gas Corp. | 25 | 25 | 0 | 1 | Sep 21, 1983 | Sep 21, 1983 |
| 58 | Watson, A. D. | 24 | 24 | 0 | 5 | Aug 14, 1979 | May 2, 1989 |
| 59 | Alco Oil Company | 24 | 24 | 0 | 0 | May 7, 1982 | Aug 21, 1985 |
| 60 | 1859 Operating LLC | 23 | 23 | 0 | 14 | Jun 21, 2022 | Mar 24, 2023 |
| 61 | Mapco Minerals Corporation | 23 | 23 | 0 | 0 | Jun 28, 1983 | Jun 28, 1983 |
| 62 | Grace Petroleum Corp. | 22 | 22 | 0 | 1 | Feb 23, 1979 | Jun 28, 1983 |
| 63 | Petrowest, Incorporated | 21 | 21 | 0 | 19 | Dec 3, 1980 | Apr 22, 1981 |
| 64 | Lone Star Gold | 21 | 21 | 0 | 3 | Jul 2, 1981 | Dec 28, 1982 |
| 65 | Anacacho Petroleum, Inc. | 21 | 21 | 0 | 0 | Feb 24, 1981 | Dec 5, 1986 |
| 66 | Fanci Energy | 21 | 21 | 0 | 0 | Sep 26, 1983 | Sep 28, 1983 |
| 67 | Santex Energy Inc. | 21 | 21 | 0 | 0 | Jun 24, 1981 | Sep 15, 1983 |
| 68 | Casias Oil Well Service, Inc. | 20 | 20 | 0 | 12 | Sep 30, 1983 | Nov 13, 1987 |
| 69 | Hawken Energy Corporation | 20 | 20 | 0 | 1 | Nov 30, 1981 | Aug 2, 1982 |
| 70 | La Roca Oil Company | 20 | 20 | 0 | 1 | Jun 1, 1983 | Mar 5, 1985 |
| 71 | Domestic Resource Development | 20 | 20 | 0 | 0 | Jun 24, 1983 | Jul 3, 1984 |
| 72 | Southern Energy & Exploration Co | 20 | 20 | 0 | 0 | Oct 5, 1982 | Jul 24, 1984 |
| 73 | Sulo Oil Company | 20 | 20 | 0 | 0 | Jun 29, 1978 | Jan 21, 1980 |
| 74 | Sonora Oil Company | 19 | 19 | 0 | 19 | Aug 11, 1987 | Jan 23, 1989 |
| 75 | Barnes-Holder, Inc. | 19 | 19 | 0 | 3 | Aug 5, 1983 | May 2, 1985 |
| 76 | Phoenix Oil & Gas, Inc. (A) | 18 | 18 | 0 | 3 | Aug 10, 1983 | Jan 27, 1989 |
| 77 | Neely, John P. | 18 | 18 | 0 | 1 | Nov 23, 1982 | Jun 24, 1985 |
| 78 | Risim Oil Company | 18 | 18 | 0 | 0 | Jul 21, 1980 | Mar 5, 1981 |
| 79 | Shoreline Operating, Inc. | 18 | 18 | 0 | 0 | Jan 13, 1981 | Apr 6, 1983 |
| 80 | Apache Oil Company | 17 | 17 | 0 | 0 | Aug 1, 1983 | Apr 16, 1986 |
| 81 | Texon Energy Corporation | 17 | 17 | 0 | 0 | Dec 27, 1982 | Feb 3, 1986 |
| 82 | Sterling Inv. Group & Assc., Inc | 16 | 16 | 0 | 2 | Jun 8, 1988 | Aug 31, 1988 |
| 83 | Morris Exploration, Inc. | 16 | 16 | 0 | 1 | Apr 28, 1982 | May 12, 1983 |
| 84 | G. R. C. Production Company | 16 | 16 | 0 | 0 | Jan 11, 1982 | Feb 6, 1986 |
| 85 | Pecan Gap Oil & Gas | 15 | 15 | 0 | 0 | Jul 18, 1983 | Jun 27, 1984 |
| 86 | Emerald Bay Energy, Inc. | 14 | 14 | 0 | 21 | Dec 19, 2012 | Dec 30, 2016 |
| 87 | Stokes, King | 14 | 14 | 0 | 8 | Nov 13, 1979 | Jun 6, 1985 |
| 88 | Dodson, Inc. | 14 | 14 | 0 | 0 | Dec 15, 1987 | Jun 7, 1988 |
| 89 | H.P.C. Oil, Inc. | 14 | 14 | 0 | 0 | Nov 30, 1981 | Dec 23, 1981 |
| 90 | Mitchell, Dennis | 14 | 14 | 0 | 0 | Oct 15, 1981 | Aug 18, 1983 |
| 91 | Topaz Energy, Inc. | 14 | 14 | 0 | 0 | Dec 15, 1982 | Mar 19, 1985 |
| 92 | Vannatter, Louis E. | 14 | 14 | 0 | 0 | Apr 2, 1984 | Oct 22, 1984 |
| 93 | Bar M Petroleum Co., Inc. | 13 | 13 | 0 | 7 | Jul 7, 1977 | Nov 7, 1980 |
| 94 | Triple-S Ventures, Inc. | 13 | 13 | 0 | 1 | Jun 20, 1980 | Sep 23, 1981 |
| 95 | C-M Petroleum Co. | 13 | 13 | 0 | 0 | Oct 19, 1982 | Aug 30, 1983 |
| 96 | Davis, R.V. | 13 | 13 | 0 | 0 | Jul 29, 1980 | Oct 2, 1981 |
| 97 | Dodson, Fred, Jr. | 13 | 13 | 0 | 0 | Jan 5, 1979 | Jul 5, 1983 |
| 98 | Mr Oil Company | 13 | 13 | 0 | 0 | Aug 26, 1983 | Feb 26, 1986 |
| 99 | Sparkle Oil & Gas, Inc. | 13 | 13 | 0 | 0 | Feb 26, 1985 | Sep 9, 1985 |
| 100 | Tippett, Joe W. MD | 13 | 13 | 0 | 0 | Nov 21, 1980 | May 10, 1984 |
| 101 | Turner, L. M. Jr. | 12 | 12 | 0 | 12 | Mar 19, 1980 | Nov 15, 1985 |
| 102 | Iti Oil & Gas, Inc. | 12 | 12 | 0 | 7 | Oct 12, 1983 | Jan 31, 1985 |
| 103 | Barrow, William R. Interests | 12 | 12 | 0 | 0 | Dec 5, 1984 | Dec 31, 1984 |
| 104 | Cromoco, Inc. | 12 | 12 | 0 | 0 | Dec 31, 1985 | Dec 31, 1985 |
| 105 | Enterprise Products Operatingllc | 12 | 12 | 0 | 0 | Aug 7, 2008 | Jun 5, 2026 |
| 106 | State Street Operating Co, Inc | 12 | 12 | 0 | 0 | Aug 24, 1981 | Dec 31, 1981 |
| 107 | Sunco Oil & Gas | 12 | 12 | 0 | 0 | Jul 15, 1981 | Dec 10, 1981 |
| 108 | Mallory, Meredith, Jr. | 11 | 11 | 0 | 2 | Jun 17, 1977 | Feb 24, 1978 |
| 109 | Glover Oil, Inc. | 11 | 11 | 0 | 1 | Jan 20, 1984 | Dec 28, 1984 |
| 110 | Schnitz, Ples E. | 11 | 11 | 0 | 0 | Nov 5, 1979 | Aug 21, 1981 |
| 111 | Clark, G. A., Trustee | 10 | 10 | 0 | 0 | Aug 30, 1979 | Apr 30, 1984 |
| 112 | Demco Oil & Gas | 10 | 10 | 0 | 0 | Aug 29, 1989 | Sep 11, 1989 |
| 113 | Huster, Frank R. Jr. | 10 | 10 | 0 | 0 | Sep 7, 1979 | Jan 14, 1981 |
| 114 | Texpro, Inc. | 10 | 10 | 0 | 0 | Apr 30, 1981 | Apr 30, 1981 |
| 115 | Vegas World Oil Services, Inc. | 10 | 10 | 0 | 0 | Jun 26, 2000 | Apr 1, 2004 |
| 116 | U. D. Man, Inc. | 9 | 9 | 0 | 33 | Oct 12, 2011 | Jan 12, 2022 |
| 117 | Rainer Energy, Inc. | 9 | 9 | 0 | 12 | Dec 31, 1981 | Jul 11, 1984 |
| 118 | Brinkoeter Gas & Oil | 9 | 9 | 0 | 2 | Jul 30, 1990 | Aug 29, 1990 |
| 119 | McGuire, Joe Inc. | 9 | 9 | 0 | 2 | Mar 9, 1984 | Aug 26, 1985 |
| 120 | Somerset Oil & Gas Company | 9 | 9 | 0 | 2 | Mar 23, 1983 | Sep 19, 1985 |
| 121 | Ellison, Tommy | 9 | 9 | 0 | 1 | Aug 22, 1985 | Sep 25, 1985 |
| 122 | BMW Resources, Inc. | 9 | 9 | 0 | 0 | Jan 27, 1984 | Nov 20, 1984 |
| 123 | Fisher Production Corporation | 9 | 9 | 0 | 0 | Mar 17, 1980 | Sep 22, 1982 |
| 124 | Simcor Energy Company | 9 | 9 | 0 | 0 | Dec 16, 1982 | Dec 31, 1982 |
| 125 | Tejas Petroleum Corporation | 9 | 9 | 0 | 0 | Nov 7, 1984 | Nov 23, 1987 |
| 126 | Vamarie, Inc. | 8 | 8 | 0 | 3 | Jun 7, 1988 | Nov 14, 1988 |
| 127 | James, J. W. | 8 | 8 | 0 | 2 | Mar 15, 1978 | May 9, 1979 |
| 128 | Rlu Operating, LLC | 8 | 8 | 0 | 2 | Jan 9, 2014 | Apr 22, 2014 |
| 129 | Caldwell, J. A. | 8 | 8 | 0 | 0 | Oct 2, 1979 | May 27, 1988 |
| 130 | Packer Energy | 8 | 8 | 0 | 0 | Jan 14, 1982 | Apr 20, 1982 |
| 131 | Texican | 8 | 8 | 0 | 0 | Aug 13, 1984 | Dec 20, 1985 |
| 132 | Production Resources, Inc. | 7 | 7 | 0 | 45 | Mar 31, 2017 | Jun 30, 2017 |
| 133 | JM Calk Operating, LLC | 7 | 7 | 0 | 24 | Dec 15, 2025 | Feb 19, 2026 |
| 134 | Aransas Oil Company, Inc. | 7 | 7 | 0 | 16 | Aug 9, 1989 | Oct 3, 1991 |
| 135 | Bynum-Weaver Oil Company, Inc. | 7 | 7 | 0 | 0 | Jun 15, 1983 | Jan 19, 1984 |
| 136 | Cude, James W. Oil | 7 | 7 | 0 | 0 | Apr 13, 1982 | Jul 8, 1985 |
| 137 | Energy Innovations, Inc. | 7 | 7 | 0 | 0 | Oct 13, 1977 | Nov 9, 1977 |
| 138 | Jag, Inc. | 7 | 7 | 0 | 0 | Nov 20, 1979 | Feb 16, 1982 |
| 139 | Minerales de Yaqui Corporation | 7 | 7 | 0 | 0 | Nov 10, 1981 | May 12, 1982 |
| 140 | Niedorf, Patrick Stephen | 7 | 7 | 0 | 0 | Sep 21, 1979 | Feb 2, 1981 |
| 141 | Ray Mar Properties | 7 | 7 | 0 | 0 | Aug 29, 1983 | Sep 19, 1983 |
| 142 | Aminex USA, Inc. | 6 | 6 | 0 | 91 | May 5, 2003 | Dec 15, 2010 |
| 143 | Bright Hawk Operating Company | 6 | 6 | 0 | 16 | Nov 19, 2010 | Apr 20, 2011 |
| 144 | Neal, Leslie R. | 6 | 6 | 0 | 4 | Dec 2, 1983 | May 9, 1985 |
| 145 | Acca Ventures, Inc. | 6 | 6 | 0 | 1 | Feb 18, 1981 | Dec 8, 1982 |
| 146 | Alhanco Energy Corporation | 6 | 6 | 0 | 1 | Apr 9, 1984 | May 16, 1985 |
| 147 | Hereford, J. A. Industries, Inc. | 6 | 6 | 0 | 1 | Jul 2, 1984 | Aug 17, 1984 |
| 148 | Virtex Petroleum Company | 6 | 6 | 0 | 1 | Oct 26, 1983 | Nov 15, 1984 |
| 149 | Burnham, Waddy T. | 6 | 6 | 0 | 0 | Dec 5, 1977 | Jan 31, 1979 |
| 150 | Copestone Operating, LLC | 6 | 6 | 0 | 0 | Aug 12, 2015 | Aug 13, 2015 |
| 151 | Davenport, D.G. | 6 | 6 | 0 | 0 | Jul 7, 1980 | Feb 18, 1981 |
| 152 | Elite Gas & Oil, Inc. | 6 | 6 | 0 | 0 | Oct 21, 1983 | Feb 10, 1984 |
| 153 | Hayden Oil Co., Inc. | 6 | 6 | 0 | 0 | Aug 25, 1983 | Dec 22, 1983 |
| 154 | Millenium Petroleum Corporation | 6 | 6 | 0 | 0 | Jan 10, 1986 | Jan 13, 1986 |
| 155 | M & W Oil and Gas Company | 6 | 6 | 0 | 0 | Apr 25, 1980 | Oct 24, 1980 |
| 156 | Rushing, Paul E. | 6 | 6 | 0 | 0 | Dec 28, 1979 | Nov 9, 1984 |
| 157 | S.B.G. Oil Co. | 6 | 6 | 0 | 0 | Feb 17, 1984 | Nov 27, 1984 |
| 158 | Stokes, B. H. | 6 | 6 | 0 | 0 | Apr 17, 1984 | Oct 9, 1985 |
| 159 | Tresor Energy & Development Corp | 6 | 6 | 0 | 0 | Oct 28, 1983 | Feb 3, 1984 |
| 160 | Padon, R. H. | 5 | 5 | 0 | 32 | Mar 6, 1978 | Mar 6, 1978 |
| 161 | Zuidema Oil Company | 5 | 5 | 0 | 3 | Sep 18, 1991 | Sep 18, 1991 |
| 162 | Matla Inc. | 5 | 5 | 0 | 2 | Nov 2, 1981 | May 9, 1984 |
| 163 | Azx Petroleum | 5 | 5 | 0 | 1 | Dec 21, 1984 | May 23, 1985 |
| 164 | Olmos Oil Company | 5 | 5 | 0 | 1 | Jul 17, 1981 | Oct 16, 1985 |
| 165 | P-B-G Production, Inc. | 5 | 5 | 0 | 1 | Sep 8, 1983 | Sep 8, 1983 |
| 166 | Brinkman Oil & Gas | 5 | 5 | 0 | 0 | Sep 20, 1985 | Jan 17, 1986 |
| 167 | Gathings Oil, Inc. | 5 | 5 | 0 | 0 | May 29, 1981 | Jul 2, 1981 |
| 168 | General American Properties, Inc | 5 | 5 | 0 | 0 | Dec 31, 1981 | May 6, 1982 |
| 169 | Keeling, George W. | 5 | 5 | 0 | 0 | Feb 17, 1981 | Oct 4, 1985 |
| 170 | Lynch, W. Waldo | 5 | 5 | 0 | 0 | Aug 25, 1981 | Sep 25, 1981 |
| 171 | Mark IV Energy | 5 | 5 | 0 | 0 | Mar 19, 1984 | Sep 10, 1984 |
| 172 | McCracken, J.L. & Associates | 5 | 5 | 0 | 0 | Jun 15, 1983 | Jun 18, 1984 |
| 173 | Miller & Swanson | 5 | 5 | 0 | 0 | Mar 23, 1981 | Mar 27, 1981 |
| 174 | Petro-Gas, Inc. | 5 | 5 | 0 | 0 | Jul 6, 1982 | Oct 13, 1982 |
| 175 | Pickard & Kirkpatrick Oil Co. | 5 | 5 | 0 | 0 | Mar 22, 1982 | Sep 16, 1983 |
| 176 | Roca Energy | 5 | 5 | 0 | 0 | Feb 15, 1983 | Jul 1, 1983 |
| 177 | Sams Exploration, Inc. | 5 | 5 | 0 | 0 | Aug 14, 1980 | Dec 28, 1982 |
| 178 | S & D Drilling Company | 5 | 5 | 0 | 0 | Jun 1, 1984 | Aug 21, 1984 |
| 179 | Villa Enterprises | 5 | 5 | 0 | 0 | May 19, 1980 | Nov 12, 1981 |
| 180 | Alamo Estates Drlg. Program | 4 | 4 | 0 | 5 | Jul 11, 1985 | Jul 24, 1985 |
| 181 | Blackbird Oil & Gas, LLC. | 4 | 4 | 0 | 5 | Jul 12, 2012 | Oct 31, 2013 |
| 182 | Barnes, K. A. | 4 | 4 | 0 | 4 | Mar 7, 1980 | Oct 22, 1985 |
| 183 | Black Hills Energy Corp. | 4 | 4 | 0 | 4 | Jun 25, 1979 | Jun 29, 1979 |
| 184 | Devon Energy Corporation(nevada) | 4 | 4 | 0 | 3 | Apr 13, 1989 | Dec 10, 1992 |
| 185 | Gonzalez, Gabe | 4 | 4 | 0 | 3 | May 23, 1980 | Sep 21, 1982 |
| 186 | Curry, Landon | 4 | 4 | 0 | 1 | Feb 25, 1985 | Jun 17, 1985 |
| 187 | Mil Air Oil Co., Inc. | 4 | 4 | 0 | 1 | Oct 3, 1980 | Oct 3, 1980 |
| 188 | Petro-Tex Ventures | 4 | 4 | 0 | 1 | Apr 14, 1988 | Aug 2, 1988 |
| 189 | Southton Oil Company | 4 | 4 | 0 | 1 | Jul 7, 1978 | Jun 2, 1982 |
| 190 | Trico Energy, Inc. | 4 | 4 | 0 | 1 | Dec 15, 1983 | May 1, 1984 |
| 191 | Argyle Drilling Company, Inc. | 4 | 4 | 0 | 0 | Aug 23, 1985 | Aug 23, 1985 |
| 192 | Atoka Exploration, Inc. | 4 | 4 | 0 | 0 | Aug 30, 1983 | Aug 30, 1983 |
| 193 | Colburn Energy Corporation | 4 | 4 | 0 | 0 | Nov 26, 1984 | Nov 26, 1984 |
| 194 | Cygnus Oil Inc. | 4 | 4 | 0 | 0 | Jun 5, 1981 | Oct 4, 1984 |
| 195 | Dick, William J., Jr. | 4 | 4 | 0 | 0 | Jun 17, 1980 | May 3, 1983 |
| 196 | Dodson, Edgar | 4 | 4 | 0 | 0 | Dec 30, 1980 | Aug 2, 1982 |
| 197 | Emery Energy, Inc. | 4 | 4 | 0 | 0 | Oct 3, 1985 | Feb 21, 1986 |
| 198 | Encore Resources Inc. | 4 | 4 | 0 | 0 | Jun 4, 1984 | Dec 7, 1984 |
| 199 | Enterprise Products Operating LP | 4 | 4 | 0 | 0 | Jul 7, 2005 | Feb 10, 2007 |
| 200 | First Southern Oil & Gas, Inc. | 4 | 4 | 0 | 0 | Jul 2, 1981 | Jul 2, 1981 |
| 201 | Foster, Ben F. | 4 | 4 | 0 | 0 | Dec 22, 1980 | May 25, 1982 |
| 202 | Fredco Energy, Inc. | 4 | 4 | 0 | 0 | Sep 24, 1981 | Nov 20, 1981 |
| 203 | Geronimo Drilling Company | 4 | 4 | 0 | 0 | Apr 11, 1984 | Aug 1, 1984 |
| 204 | Hood & Hood | 4 | 4 | 0 | 0 | Sep 30, 1980 | Jan 15, 1981 |
| 205 | Kalon Enterprises, Inc. | 4 | 4 | 0 | 0 | Aug 16, 1984 | Sep 4, 1984 |
| 206 | Ken-Bar Energy | 4 | 4 | 0 | 0 | Nov 1, 1982 | Nov 30, 1984 |
| 207 | Koch, S. H. | 4 | 4 | 0 | 0 | Jun 19, 1978 | Feb 27, 1981 |
| 208 | KSM Watson Oil Corp. | 4 | 4 | 0 | 0 | Feb 12, 1980 | Sep 30, 1982 |
| 209 | Lightning Oil Co. | 4 | 4 | 0 | 0 | Jan 25, 1980 | Apr 28, 1981 |
| 210 | Nustar Logistics, L.P. | 4 | 4 | 0 | 0 | Oct 6, 2015 | Jun 6, 2023 |
| 211 | Piasano Petroleum, Inc. | 4 | 4 | 0 | 0 | Apr 27, 1984 | Jun 11, 1984 |
| 212 | Sendero Petroleum Corporation -A | 4 | 4 | 0 | 0 | Jul 13, 1983 | Aug 5, 1983 |
| 213 | Teal Petroleum Company | 4 | 4 | 0 | 0 | Jul 21, 1977 | Apr 6, 1978 |
| 214 | Texas a & J Corporation | 4 | 4 | 0 | 0 | May 19, 1983 | Jul 21, 1983 |
| 215 | T & T Labs | 4 | 4 | 0 | 0 | Sep 29, 1980 | Mar 17, 1981 |
| 216 | Texas Secondary Oil Corporation | 3 | 3 | 0 | 53 | Oct 10, 2014 | Oct 25, 2019 |
| 217 | Ernst Enterprises | 3 | 3 | 0 | 5 | Oct 19, 1983 | May 28, 1985 |
| 218 | Holmes, J.C. Oil Co., Inc. | 3 | 3 | 0 | 4 | Nov 20, 1980 | Jan 7, 1988 |
| 219 | JB Oil & Gas Well Service | 3 | 3 | 0 | 4 | Jul 29, 1988 | Jun 1, 1989 |
| 220 | Pentex Exploration, Inc. | 3 | 3 | 0 | 4 | Mar 2, 1984 | Feb 6, 1985 |
| 221 | Foster, W.P. | 3 | 3 | 0 | 3 | Dec 31, 1980 | Dec 31, 1980 |
| 222 | Trison Oil & Gas Company | 3 | 3 | 0 | 3 | Mar 1, 1984 | Mar 30, 1984 |
| 223 | D.K.W. Energy | 3 | 3 | 0 | 2 | Jul 10, 1984 | Aug 8, 1985 |
| 224 | Pozo Drilling Company | 3 | 3 | 0 | 2 | Dec 12, 1979 | Jan 24, 1980 |
| 225 | Friesenhahn, M.J. | 3 | 3 | 0 | 1 | Jun 7, 1982 | Jun 16, 1982 |
| 226 | Kurz, Gary | 3 | 3 | 0 | 1 | Apr 8, 1983 | Jan 26, 1987 |
| 227 | Le Comte, Harold E. | 3 | 3 | 0 | 1 | Jul 27, 1981 | Sep 7, 1983 |
| 228 | Ace Management | 3 | 3 | 0 | 0 | Jun 25, 1982 | Aug 2, 1982 |
| 229 | Bullock Energy, Inc. | 3 | 3 | 0 | 0 | Jul 16, 1981 | Aug 7, 1981 |
| 230 | CN Oil Corporation | 3 | 3 | 0 | 0 | Mar 5, 1981 | Aug 28, 1981 |
| 231 | Davie, William T. | 3 | 3 | 0 | 0 | Jul 27, 1983 | Apr 18, 1984 |
| 232 | Diamondback Exploration, Inc. | 3 | 3 | 0 | 0 | Nov 1, 1984 | Oct 6, 1986 |
| 233 | Dick, Hal Wes | 3 | 3 | 0 | 0 | Mar 17, 1981 | Aug 25, 1981 |
| 234 | Export Petroleum Corp. | 3 | 3 | 0 | 0 | May 11, 1983 | Sep 15, 1983 |
| 235 | Harmony Drilling Company, Inc. | 3 | 3 | 0 | 0 | May 24, 1982 | May 24, 1982 |
| 236 | Heltzel Drilling&exploration Co. | 3 | 3 | 0 | 0 | Jul 18, 1983 | Jan 18, 1984 |
| 237 | Jones, John E. | 3 | 3 | 0 | 0 | May 30, 2007 | May 30, 2007 |
| 238 | Kurz & Sons | 3 | 3 | 0 | 0 | Nov 26, 1984 | Sep 27, 1990 |
| 239 | Pg&e Gas Transmission, Tex. Corp | 3 | 3 | 0 | 0 | Jul 15, 1998 | Jul 15, 1998 |
| 240 | Physicians Leasing Co., Inc. | 3 | 3 | 0 | 0 | Oct 9, 1985 | Oct 9, 1985 |
| 241 | Raven Royalty Corporation | 3 | 3 | 0 | 0 | Feb 6, 1984 | Feb 6, 1984 |
| 242 | Royal Seahorse Developments Inc | 3 | 3 | 0 | 0 | Feb 26, 1979 | Jan 28, 1993 |
| 243 | Sahara Oil and Gas, Inc. | 3 | 3 | 0 | 0 | May 30, 1984 | Dec 27, 1984 |
| 244 | Shattuck, Curtis L. | 3 | 3 | 0 | 0 | Mar 14, 1983 | Jul 21, 1983 |
| 245 | Staccatto Energy Corporation | 3 | 3 | 0 | 0 | Sep 9, 1982 | Apr 11, 1983 |
| 246 | Standard Energy Corporation | 3 | 3 | 0 | 0 | Jun 6, 1983 | Nov 3, 1983 |
| 247 | Texas Operating & Production Co. | 3 | 3 | 0 | 0 | Oct 6, 1982 | May 12, 1983 |
| 248 | Tomlinson Oil Co., Inc. | 3 | 3 | 0 | 0 | Dec 21, 1981 | Jan 4, 1982 |
| 249 | Turner, L. M. | 3 | 3 | 0 | 0 | Nov 22, 1978 | Sep 21, 1979 |
| 250 | West Tuleta Operating Corp. | 3 | 3 | 0 | 0 | Oct 12, 1983 | May 2, 1984 |
| 251 | Yturri, Robert & John | 2 | 2 | 0 | 48 | Jul 11, 1984 | Nov 26, 1984 |
| 252 | Calk Oil Company | 2 | 2 | 0 | 38 | Sep 27, 2012 | Sep 27, 2012 |
| 253 | Petro Lions, LLC | 2 | 2 | 0 | 27 | Nov 10, 2014 | Sep 10, 2015 |
| 254 | Five Star Operating Company | 2 | 2 | 0 | 26 | Apr 25, 1988 | Apr 25, 1988 |
| 255 | Cover, Donald R. | 2 | 2 | 0 | 8 | Oct 22, 1979 | Sep 23, 1980 |
| 256 | Raol Company, The | 2 | 2 | 0 | 8 | Apr 30, 1985 | May 6, 1985 |
| 257 | Mid-States Management | 2 | 2 | 0 | 5 | Dec 31, 1985 | Dec 31, 1985 |
| 258 | Treiber Energy Company | 2 | 2 | 0 | 4 | Jan 22, 1986 | Jun 8, 1988 |
| 259 | DRS Exploration Inc. | 2 | 2 | 0 | 3 | Jul 25, 1984 | Apr 30, 1985 |
| 260 | Douglas Operating & Production | 2 | 2 | 0 | 2 | Apr 20, 1983 | Aug 29, 1984 |
| 261 | Propet Oil & Gas Inc. | 2 | 2 | 0 | 2 | Mar 25, 1983 | Jun 5, 1984 |
| 262 | Robinson, Winfred Jr. | 2 | 2 | 0 | 2 | Oct 20, 1982 | Sep 22, 1983 |
| 263 | Santa Rosa Oil & Gas Energy Co. | 2 | 2 | 0 | 2 | May 14, 1982 | Jun 22, 1982 |
| 264 | Triple "P", Inc. | 2 | 2 | 0 | 2 | Jan 12, 1984 | Jul 16, 1984 |
| 265 | Bailey, L. J. | 2 | 2 | 0 | 1 | Feb 9, 1982 | Sep 8, 1982 |
| 266 | McCann, Ted & Associates Inc. | 2 | 2 | 0 | 1 | Dec 31, 1980 | Aug 10, 1981 |
| 267 | San Antonio Resources Co. | 2 | 2 | 0 | 1 | Jul 10, 1980 | Nov 18, 1980 |
| 268 | 12TH Man Oil & Gas | 2 | 2 | 0 | 0 | Jul 23, 1985 | Aug 5, 1985 |
| 269 | Alexander Energy Corporation | 2 | 2 | 1 | 0 | Jan 10, 1991 | Feb 21, 1991 |
| 270 | Almor Production Co. | 2 | 2 | 0 | 0 | Dec 3, 1985 | Dec 3, 1985 |
| 271 | Atascosa Exploration, LLC | 2 | 2 | 0 | 0 | Dec 16, 2013 | Dec 19, 2013 |
| 272 | Atnipp, H. L. | 2 | 2 | 0 | 0 | Jun 3, 1996 | Jun 3, 1996 |
| 273 | Bar M Petroleum Co. | 2 | 2 | 0 | 0 | Nov 3, 2009 | Dec 16, 2009 |
| 274 | Batco Energy, Inc. | 2 | 2 | 0 | 0 | May 16, 1984 | May 16, 1984 |
| 275 | Bay Rock Corp. | 2 | 2 | 0 | 0 | Jun 8, 1979 | Dec 14, 1979 |
| 276 | Bay Rock Operating Company | 2 | 2 | 0 | 0 | Mar 12, 1985 | Mar 18, 1985 |
| 277 | Benson, W. R. | 2 | 2 | 0 | 0 | Jan 3, 1984 | Jan 3, 1984 |
| 278 | Buntin Oil Company, Inc. | 2 | 2 | 0 | 0 | Mar 16, 1982 | Jul 12, 1982 |
| 279 | Columbia Energy Properties, Inc. | 2 | 2 | 0 | 0 | May 11, 1983 | Jun 14, 2002 |
| 280 | Cook, Wallace B. | 2 | 2 | 0 | 0 | Sep 23, 1980 | Nov 24, 1980 |
| 281 | Diamond Bit Drlg. & Expl., Inc. | 2 | 2 | 0 | 0 | Feb 2, 1984 | Feb 2, 1984 |
| 282 | Dodson Co. | 2 | 2 | 0 | 0 | Sep 30, 1980 | Aug 7, 1985 |
| 283 | Fletcher, W. E. | 2 | 2 | 0 | 0 | Sep 21, 1983 | Oct 5, 1984 |
| 284 | Fossil Exploration, Inc. | 2 | 2 | 0 | 0 | Sep 15, 1983 | Sep 15, 1983 |
| 285 | Gildon, Charles K. | 2 | 2 | 0 | 0 | Dec 8, 1982 | Feb 9, 1983 |
| 286 | Goat Ridge Oil Co. | 2 | 2 | 0 | 0 | Nov 2, 1983 | Nov 2, 1983 |
| 287 | Herrera, Martin | 2 | 2 | 0 | 0 | Apr 8, 1985 | Apr 8, 1985 |
| 288 | Howard & McElwain | 2 | 2 | 0 | 0 | Jul 8, 1980 | Jan 22, 1981 |
| 289 | Inco Investments Corporation | 2 | 2 | 0 | 0 | Apr 25, 1988 | Apr 28, 1988 |
| 290 | Klaeger's Sons, Inc. | 2 | 2 | 0 | 0 | Apr 23, 1980 | Feb 2, 1981 |
| 291 | Koch Refining Company | 2 | 2 | 0 | 0 | Apr 4, 1990 | Feb 1, 1995 |
| 292 | Lapinski Oil & Gas Company, Inc. | 2 | 2 | 0 | 0 | Mar 24, 1987 | Mar 24, 1987 |
| 293 | Lone Oak Co. | 2 | 2 | 0 | 0 | Aug 3, 1979 | Sep 14, 1979 |
| 294 | Luker, R. W. | 2 | 2 | 0 | 0 | Nov 3, 1981 | Dec 28, 1981 |
| 295 | Maryethel Oil Company, Inc. | 2 | 2 | 0 | 0 | Nov 6, 1985 | Dec 6, 1985 |
| 296 | M & L Oil & Gas Exploration, Inc | 2 | 2 | 0 | 0 | Oct 16, 1984 | Oct 24, 1984 |
| 297 | Pawlik Well Service, Inc. | 2 | 2 | 0 | 0 | Aug 26, 1983 | Aug 26, 1983 |
| 298 | Peninsula Petroleum Corporation | 2 | 2 | 0 | 0 | Sep 29, 1984 | Jan 16, 1985 |
| 299 | Petro-Cap, Inc. | 2 | 2 | 0 | 0 | Dec 29, 1981 | Dec 29, 1981 |
| 300 | Petro Development, Inc. | 2 | 2 | 0 | 0 | Mar 22, 1984 | Jun 6, 1984 |
639 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE