COUNTIES · FREESTONE · OPERATORS
Freestone 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 | XTO Energy Inc. | 2,107 | 2,107 | 78 | 351 | Feb 20, 1992 | Aug 5, 2019 |
| 2 | Anadarko Petroleum Corporation | 869 | 869 | 17 | 9 | Mar 7, 1994 | Nov 5, 2012 |
| 3 | Marathon Oil Company | 219 | 219 | 1 | 26 | May 29, 1991 | Nov 12, 2008 |
| 4 | Valence Operating Company | 217 | 217 | 2 | 171 | Dec 23, 1992 | Aug 29, 2022 |
| 5 | Apache Corporation | 190 | 190 | 17 | 24 | Apr 19, 1994 | Aug 5, 2011 |
| 6 | TXO Production Corp. | 171 | 171 | 0 | 39 | May 27, 1980 | Jul 19, 1990 |
| 7 | Matador Operating Company | 126 | 126 | 0 | 0 | Jan 19, 2000 | Jul 2, 2003 |
| 8 | Hunt Petroleum Corporation | 88 | 88 | 0 | 8 | Feb 7, 2001 | Sep 9, 2008 |
| 9 | Sonat Exploration Company -Tyler | 83 | 83 | 0 | 16 | Mar 2, 1993 | Dec 8, 1999 |
| 10 | Cross Timbers Operating Company | 78 | 78 | 0 | 1 | Mar 11, 1998 | May 31, 2001 |
| 11 | EL Paso Production Company | 76 | 76 | 0 | 6 | Jan 24, 2000 | Dec 11, 2001 |
| 12 | Devon Energy Production Co, L.P. | 76 | 76 | 46 | 1 | Oct 14, 2004 | Feb 9, 2012 |
| 13 | Texas Oil & Gas Corp. | 72 | 72 | 0 | 3 | Aug 19, 1977 | Oct 27, 1981 |
| 14 | Encana Oil & Gas(usa) Inc. | 62 | 62 | 1 | 30 | Dec 29, 2004 | Oct 1, 2009 |
| 15 | Brown, Tom Inc. | 61 | 61 | 0 | 1 | Jun 4, 2003 | Dec 13, 2004 |
| 16 | Miller Energy, Inc. | 54 | 54 | 0 | 9 | Dec 19, 1983 | Jan 14, 2004 |
| 17 | Hilcorp Energy Company | 53 | 53 | 0 | 1,151 | Oct 29, 2024 | Oct 20, 2026 |
| 18 | Devon Louisiana Corporation | 38 | 38 | 3 | 0 | Sep 24, 2003 | Nov 28, 2005 |
| 19 | BRG Petroleum, Inc. | 35 | 35 | 0 | 0 | Sep 27, 1993 | Jun 26, 1998 |
| 20 | Texaco E & P Inc. | 34 | 34 | 0 | 6 | Mar 30, 1990 | Apr 30, 2002 |
| 21 | Exxon Corp. | 32 | 32 | 0 | 6 | Jul 1, 1977 | Jul 18, 1985 |
| 22 | Enserch Exploration, Inc | 31 | 31 | 0 | 8 | Oct 2, 1979 | Mar 11, 1998 |
| 23 | Stroud Petroleum, Inc. | 30 | 30 | 0 | 19 | Mar 27, 1997 | May 24, 2022 |
| 24 | Getty Oil Co. | 28 | 28 | 0 | 9 | Aug 2, 1978 | Jun 22, 1984 |
| 25 | Pioneer Natural Res. USA, Inc. | 28 | 28 | 0 | 6 | Dec 10, 1999 | Nov 20, 2002 |
| 26 | Brown, George R. Partnership,the | 28 | 28 | 1 | 4 | Oct 26, 1989 | Jul 31, 2002 |
| 27 | Samedan Oil Corporation | 28 | 28 | 0 | 1 | Jun 30, 1977 | May 3, 2001 |
| 28 | Saxton Petroleum Corporation | 28 | 28 | 0 | 0 | Sep 23, 1981 | Jun 30, 1987 |
| 29 | EP Operating Limited Partnership | 26 | 26 | 0 | 0 | Feb 1, 1993 | Jan 25, 1995 |
| 30 | Herd Producing Company, Inc. | 25 | 25 | 0 | 3 | Aug 15, 1986 | Apr 18, 2001 |
| 31 | Law Engineering Testing Co. | 25 | 25 | 0 | 0 | May 24, 1979 | Jun 19, 1979 |
| 32 | Ocean Energy, Inc. | 25 | 25 | 0 | 0 | Dec 5, 2000 | Aug 6, 2003 |
| 33 | Pitts Oil Co.-Dallas Prod. Inc. | 23 | 23 | 0 | 2 | Oct 14, 1977 | Jun 21, 1991 |
| 34 | Martin, D. Oil Co. | 23 | 23 | 0 | 0 | Apr 16, 1979 | Sep 20, 1983 |
| 35 | Grace Petroleum Corp. | 22 | 22 | 0 | 2 | Feb 28, 1979 | Oct 2, 1992 |
| 36 | Wisenbaker Prod. Co. | 20 | 20 | 0 | 9 | Jun 9, 1978 | Feb 6, 2004 |
| 37 | Seagull Energy E&P Inc. | 19 | 19 | 0 | 2 | Aug 10, 1998 | Oct 31, 2000 |
| 38 | Highland Resources-G. R. Brown | 18 | 18 | 0 | 0 | Jul 13, 1977 | Nov 8, 1978 |
| 39 | Wentworth Energy, Inc. | 17 | 17 | 0 | 1 | Sep 27, 2006 | Jul 21, 2008 |
| 40 | Highland Resources, Inc. | 16 | 16 | 0 | 1 | Sep 18, 1978 | Jun 18, 1984 |
| 41 | Wainoco Oil & Gas Company | 16 | 16 | 0 | 1 | Sep 24, 1980 | Aug 21, 1990 |
| 42 | EP Operating Company | 15 | 15 | 0 | 2 | Dec 31, 1984 | Oct 16, 1992 |
| 43 | Mitchell Energy Corporation | 15 | 15 | 0 | 0 | Dec 11, 1980 | Oct 4, 2000 |
| 44 | Reynolds Drilling Co., Inc. | 14 | 14 | 0 | 4 | Dec 30, 1983 | Dec 2, 2004 |
| 45 | Devon Energy Operating Co., L.P. | 14 | 14 | 0 | 0 | Jul 11, 2002 | Mar 5, 2004 |
| 46 | Lacy Operations, Ltd. | 13 | 13 | 0 | 1 | Sep 3, 2004 | Sep 25, 2008 |
| 47 | Hinton Production Company | 12 | 12 | 0 | 2 | Dec 22, 1982 | Jun 18, 1991 |
| 48 | Home Petroleum Corporation | 12 | 12 | 0 | 1 | Mar 27, 1978 | Dec 31, 1984 |
| 49 | American Cometra, Inc. | 12 | 12 | 0 | 0 | Jun 1, 1995 | Jul 3, 1997 |
| 50 | Hunt Oil Company | 12 | 12 | 0 | 0 | Apr 27, 1981 | Nov 4, 1999 |
| 51 | Sklar & Phillips Oil Co. | 11 | 11 | 0 | 3 | May 22, 1996 | Oct 17, 2000 |
| 52 | Chesapeake Operating, Inc. | 11 | 11 | 0 | 1 | Dec 19, 2005 | Dec 12, 2008 |
| 53 | Neuman Oil Company | 11 | 11 | 0 | 1 | Jun 24, 1983 | Sep 29, 1988 |
| 54 | Pacific Enterprises Oil Co.(usa) | 11 | 11 | 0 | 1 | Mar 9, 1989 | Nov 2, 1990 |
| 55 | Wessely Energy Corporation | 11 | 11 | 0 | 0 | Apr 9, 1980 | Aug 31, 1983 |
| 56 | Barrow-Shaver Resources Co. | 10 | 10 | 0 | 8 | Nov 20, 1990 | Jul 15, 2011 |
| 57 | Amoco Production Company | 10 | 10 | 0 | 0 | Apr 24, 1979 | Feb 15, 1983 |
| 58 | Phillips Petroleum Company | 10 | 10 | 0 | 0 | Jul 30, 1999 | Nov 13, 2002 |
| 59 | Texaco Producing Inc. | 9 | 9 | 0 | 11 | Oct 19, 1987 | Oct 17, 1990 |
| 60 | Lacy, R., Inc. | 9 | 9 | 0 | 1 | Feb 28, 1995 | May 11, 2001 |
| 61 | Reserve Management, Inc. | 9 | 9 | 0 | 1 | Jul 23, 2002 | Oct 10, 2008 |
| 62 | Russell, G. W. | 9 | 9 | 0 | 1 | Sep 8, 1981 | Jul 3, 1987 |
| 63 | Redman Operating Company | 9 | 9 | 0 | 0 | Dec 13, 1993 | Apr 12, 2005 |
| 64 | Samson Lone Star, LLC | 9 | 9 | 0 | 0 | Mar 12, 2008 | May 6, 2009 |
| 65 | Sundance Oil Company | 9 | 9 | 0 | 0 | May 3, 1978 | May 4, 1983 |
| 66 | Texaco Inc. | 8 | 8 | 0 | 13 | Oct 14, 1977 | Nov 7, 1985 |
| 67 | Kaiser-Francis Oil Company | 8 | 8 | 0 | 5 | Oct 11, 1977 | Apr 5, 2001 |
| 68 | Enron Oil & Gas Company | 8 | 8 | 0 | 1 | Feb 11, 1992 | Oct 18, 1993 |
| 69 | Petrus Operating Co., Inc. | 8 | 8 | 0 | 1 | Aug 20, 1982 | Jan 25, 1985 |
| 70 | O'Ryan Oil and Gas | 7 | 7 | 0 | 5 | Apr 8, 2008 | Sep 12, 2014 |
| 71 | Estate Oil & Gas Corp. | 7 | 7 | 0 | 4 | Oct 28, 1977 | Apr 29, 1999 |
| 72 | Basa Resources, Inc. | 7 | 7 | 0 | 2 | May 17, 2001 | Jan 3, 2002 |
| 73 | Langham Petroleum Expl. Corp. | 7 | 7 | 0 | 1 | Jan 14, 1991 | Oct 7, 1994 |
| 74 | Quanico Oil & Gas, Inc. | 6 | 6 | 0 | 14 | Apr 16, 1984 | Aug 1, 1991 |
| 75 | Cci Gulf Coast Upstream LLC | 6 | 6 | 1 | 5 | Jul 22, 2014 | Feb 22, 2019 |
| 76 | Fortson Oil Company | 6 | 6 | 0 | 4 | Jul 28, 1988 | Dec 30, 1997 |
| 77 | Union Oil Company of California | 6 | 6 | 0 | 3 | Jun 12, 1979 | Mar 7, 2002 |
| 78 | Bryant & Carr, Inc. | 6 | 6 | 0 | 2 | Jun 10, 1992 | Jan 5, 1994 |
| 79 | Sabio Oil & Gas Inc. | 6 | 6 | 0 | 2 | Nov 15, 1990 | Sep 21, 1992 |
| 80 | Comstock Oil & Gas, LLC | 6 | 6 | 6 | 1 | Oct 21, 2024 | Sep 2, 2026 |
| 81 | Edf Trading Resources, LLC | 6 | 6 | 0 | 1 | Jun 19, 2013 | Oct 10, 2013 |
| 82 | Hyde, A. Michael Oil & Gas Co. | 6 | 6 | 0 | 1 | Nov 8, 1984 | Mar 10, 1986 |
| 83 | Patara Andover I LLC | 6 | 6 | 0 | 1 | Feb 22, 2012 | Jun 14, 2013 |
| 84 | Texas Royalty Corp. | 6 | 6 | 0 | 1 | May 29, 1992 | Jun 14, 1996 |
| 85 | Alamo Pet. Co. | 6 | 6 | 0 | 0 | May 14, 1979 | Aug 31, 1981 |
| 86 | American Exploration Company | 6 | 6 | 0 | 0 | Jan 28, 1993 | Apr 17, 1997 |
| 87 | Calame, Donald | 6 | 6 | 0 | 0 | Mar 17, 1982 | Sep 1, 1982 |
| 88 | KCS Resources, Inc. | 6 | 6 | 0 | 0 | Jul 28, 2005 | May 7, 2007 |
| 89 | Millican Oil Company | 6 | 6 | 0 | 0 | Aug 17, 1977 | Mar 23, 1978 |
| 90 | Orbit Oil & Gas, Inc. | 6 | 6 | 0 | 0 | Sep 16, 1977 | Aug 28, 1979 |
| 91 | Terra Resources, Inc. | 6 | 6 | 0 | 0 | Jul 23, 1987 | May 23, 1989 |
| 92 | Texas Pacific Oil Company, Inc. | 6 | 6 | 0 | 0 | Oct 11, 1977 | Jul 19, 1979 |
| 93 | Wiser Oil Company, The | 6 | 6 | 0 | 0 | Jan 3, 1979 | Dec 2, 1991 |
| 94 | Tag Operating Company, Inc. | 5 | 5 | 0 | 2 | Jun 4, 2004 | Dec 5, 2013 |
| 95 | Bishop Petroleum Inc. | 5 | 5 | 0 | 1 | Dec 4, 1981 | May 4, 1995 |
| 96 | Johnson, Randee B. | 5 | 5 | 0 | 1 | May 25, 1983 | Apr 26, 1990 |
| 97 | Southwest Operating, Inc.-Tyler | 5 | 5 | 2 | 1 | Feb 5, 2003 | Sep 19, 2024 |
| 98 | Will-Drill Production Co., Inc. | 5 | 5 | 0 | 1 | Nov 22, 1993 | Oct 7, 1994 |
| 99 | Diamond Chemicals Company | 5 | 5 | 0 | 0 | Oct 17, 1978 | Dec 31, 1981 |
| 100 | Enbridge G & P (East Texas) L.P. | 5 | 5 | 0 | 0 | Sep 28, 2009 | Apr 13, 2011 |
| 101 | Means Oil Co. | 5 | 5 | 0 | 0 | Oct 28, 1986 | Sep 12, 1995 |
| 102 | Neumin Production Company | 5 | 5 | 0 | 0 | Jun 14, 2006 | Aug 8, 2007 |
| 103 | Teal Petroleum Company | 5 | 5 | 0 | 0 | Jun 9, 1977 | Sep 13, 1978 |
| 104 | Z/F Little Buddy, L.P. | 5 | 5 | 0 | 0 | Sep 10, 1998 | Aug 6, 1999 |
| 105 | Brooks, E. B., Jr. | 4 | 4 | 0 | 1 | Jun 12, 1990 | Oct 16, 1992 |
| 106 | Fina Oil & Chemical Company | 4 | 4 | 0 | 1 | Jul 16, 1991 | Oct 30, 1991 |
| 107 | Miller, B. H. Oil Co. | 4 | 4 | 0 | 1 | Jul 27, 1983 | Aug 8, 1985 |
| 108 | SW Operating, Inc. | 4 | 4 | 0 | 1 | Dec 17, 1984 | Mar 23, 1988 |
| 109 | All American Petroleum Corp. | 4 | 4 | 0 | 0 | Oct 25, 1979 | Sep 3, 1980 |
| 110 | Broughton Operating Corp. | 4 | 4 | 0 | 0 | Jan 15, 1998 | Jul 7, 1998 |
| 111 | Chinn Exploration Company | 4 | 4 | 0 | 0 | Feb 6, 2001 | Feb 6, 2001 |
| 112 | Deltex Petroleum Corp. | 4 | 4 | 0 | 0 | Mar 24, 1988 | Jun 1, 1988 |
| 113 | Freestone Disposal | 4 | 4 | 0 | 0 | Feb 1, 1994 | Mar 25, 2008 |
| 114 | Goodrich Oil Company | 4 | 4 | 0 | 0 | Mar 29, 1989 | Jul 30, 1990 |
| 115 | Griffin Operating, Inc. | 4 | 4 | 0 | 0 | Oct 9, 2002 | Sep 17, 2003 |
| 116 | Ironwood Oil & Gas LLC | 4 | 4 | 0 | 0 | Sep 17, 2010 | Dec 13, 2011 |
| 117 | Key Production Company, Inc. | 4 | 4 | 0 | 0 | Oct 3, 1996 | Nov 7, 2000 |
| 118 | Quality Operating, Inc. | 4 | 4 | 0 | 0 | Feb 26, 1992 | Mar 25, 1994 |
| 119 | Three Way Oil Company III | 4 | 4 | 0 | 0 | Jan 29, 1980 | Feb 11, 1980 |
| 120 | Unit Petroleum Company | 4 | 4 | 0 | 0 | Mar 6, 2006 | Mar 5, 2008 |
| 121 | Warren,thomas E. III | 4 | 4 | 0 | 0 | Apr 19, 1978 | Jul 3, 1981 |
| 122 | Dallas Production, Inc. | 3 | 3 | 0 | 5 | May 30, 1991 | Dec 28, 1994 |
| 123 | Mitsui E&P USA LLC | 3 | 3 | 3 | 2 | Jan 9, 2025 | Sep 8, 2025 |
| 124 | Redmon Oil Company, Inc,the | 3 | 3 | 0 | 2 | Jan 6, 2006 | Jan 6, 2006 |
| 125 | Arcadia Expl. & Prod. Company | 3 | 3 | 0 | 1 | Aug 4, 1995 | Sep 1, 1998 |
| 126 | Chevron U. S. A. Inc. | 3 | 3 | 0 | 1 | Oct 7, 2002 | Mar 6, 2003 |
| 127 | ML Resources, Inc. | 3 | 3 | 0 | 1 | May 5, 1995 | Nov 22, 1995 |
| 128 | Pumping Services, Inc. | 3 | 3 | 0 | 1 | May 5, 2006 | Feb 26, 2026 |
| 129 | Red Willow Production, LLC | 3 | 3 | 0 | 1 | Oct 24, 2005 | Oct 24, 2005 |
| 130 | Sun Expl. & Prod. Co.-Lafayette | 3 | 3 | 0 | 1 | Apr 4, 1980 | May 19, 1981 |
| 131 | Adams Exploration Co. | 3 | 3 | 0 | 0 | May 3, 1982 | Jun 14, 1982 |
| 132 | Calame Oil Company, Inc. | 3 | 3 | 0 | 0 | Aug 11, 1980 | Sep 12, 1980 |
| 133 | Crystal Oil Company | 3 | 3 | 0 | 0 | Sep 28, 1979 | Aug 7, 1980 |
| 134 | Dallas Exploration, Inc. | 3 | 3 | 0 | 0 | Aug 1, 1978 | Jun 11, 1980 |
| 135 | Eagle Oil & Gas Co. | 3 | 3 | 0 | 0 | May 1, 2006 | Nov 16, 2006 |
| 136 | Energy Reserves Group, Inc. | 3 | 3 | 0 | 0 | Mar 8, 1984 | Jul 30, 1985 |
| 137 | McDaniel Bros. Exploration | 3 | 3 | 0 | 0 | Mar 21, 1986 | May 6, 1986 |
| 138 | McFarlane Oil Co., Inc. | 3 | 3 | 0 | 0 | Dec 12, 1978 | Jul 23, 1981 |
| 139 | Mitchell Energy Company L.P. | 3 | 3 | 0 | 0 | Feb 13, 2001 | Aug 6, 2001 |
| 140 | Now Development Co., Inc. | 3 | 3 | 0 | 0 | Feb 9, 2009 | Jun 7, 2012 |
| 141 | Prairie Producing Company | 3 | 3 | 0 | 0 | Dec 22, 1989 | Jun 18, 1990 |
| 142 | Teco Operating Company | 3 | 3 | 0 | 0 | Dec 13, 1985 | Jun 21, 1993 |
| 143 | Wagner & Brown, Ltd. | 3 | 3 | 0 | 0 | Mar 5, 2001 | Mar 5, 2001 |
| 144 | Whittington Operating Company | 3 | 3 | 0 | 0 | Mar 25, 1993 | Dec 17, 1993 |
| 145 | Wildcatters of Texas, Inc. | 3 | 3 | 0 | 0 | May 31, 1989 | Oct 23, 1989 |
| 146 | Phillips, Jack L. Co. | 2 | 2 | 0 | 7 | Jun 23, 2011 | Aug 28, 2015 |
| 147 | Crescent Pass Energy, LLC | 2 | 2 | 0 | 4 | Jan 23, 2023 | Feb 14, 2023 |
| 148 | Bomar Oil & Gas, Inc. | 2 | 2 | 0 | 3 | Sep 12, 2000 | Sep 13, 2001 |
| 149 | Phillips Energy, Inc. | 2 | 2 | 0 | 3 | May 4, 2001 | May 4, 2001 |
| 150 | Amax Petroleum Corporation | 2 | 2 | 0 | 2 | Oct 19, 1983 | Apr 1, 1985 |
| 151 | Carr Resources, Inc. | 2 | 2 | 0 | 2 | Jun 3, 1994 | Dec 6, 1999 |
| 152 | Fender, Harris R. | 2 | 2 | 0 | 2 | Sep 20, 1978 | Sep 2, 1980 |
| 153 | Samson Lone Star LP | 2 | 2 | 0 | 2 | May 24, 2001 | Aug 30, 2004 |
| 154 | Falcon Resources, Inc. | 2 | 2 | 0 | 1 | Oct 27, 1992 | Aug 22, 2006 |
| 155 | Headington Oil Company | 2 | 2 | 0 | 1 | Jan 22, 1990 | Apr 21, 1994 |
| 156 | Key Production Co. | 2 | 2 | 0 | 1 | Nov 3, 1992 | Feb 23, 1993 |
| 157 | Legacy Reserves Operating LP | 2 | 2 | 0 | 1 | Sep 9, 2016 | Jan 20, 2017 |
| 158 | Palmer Petroleum Inc. | 2 | 2 | 0 | 1 | Jul 11, 1990 | Dec 4, 1990 |
| 159 | Paragon Resources, Inc. | 2 | 2 | 0 | 1 | Aug 15, 1979 | Aug 12, 1980 |
| 160 | Trek Resources, Inc. | 2 | 2 | 1 | 1 | Oct 20, 2004 | Jul 3, 2006 |
| 161 | Wessely Energy Company | 2 | 2 | 0 | 1 | Feb 6, 1985 | Mar 8, 1985 |
| 162 | Williams, Clayton Energy, Inc. | 2 | 2 | 2 | 1 | Dec 23, 1997 | Dec 23, 1997 |
| 163 | American Petrofina Co. of Tex. | 2 | 2 | 0 | 0 | Jun 9, 1981 | Feb 21, 1984 |
| 164 | Amquest Corporation | 2 | 2 | 0 | 0 | Dec 30, 1981 | May 9, 1984 |
| 165 | Anadarko E&P Company LP | 2 | 2 | 0 | 0 | Nov 7, 2006 | Nov 28, 2006 |
| 166 | Axio Natural Resources, Inc | 2 | 2 | 0 | 0 | Jul 11, 2003 | Jul 15, 2003 |
| 167 | Ballard Exploration Company,inc. | 2 | 2 | 0 | 0 | Mar 11, 1983 | Jul 2, 1985 |
| 168 | Bayou Tank Company | 2 | 2 | 0 | 0 | Aug 17, 2005 | Aug 17, 2005 |
| 169 | Berry,philip B.operating Co.inc. | 2 | 2 | 0 | 0 | Feb 10, 1995 | Feb 23, 1995 |
| 170 | Bledsoe Petro Corporation | 2 | 2 | 0 | 0 | Nov 15, 1990 | Aug 26, 1992 |
| 171 | Bounds-Eckhardt Oil Co. | 2 | 2 | 0 | 0 | Aug 13, 1987 | Dec 17, 1987 |
| 172 | Brammer Engineering, Inc. | 2 | 2 | 0 | 0 | Oct 31, 2001 | Oct 11, 2008 |
| 173 | BRG Petroleum Corporation | 2 | 2 | 0 | 0 | Apr 19, 2000 | Sep 3, 2003 |
| 174 | Buttes Resources Company | 2 | 2 | 0 | 0 | Oct 19, 1977 | Aug 16, 1978 |
| 175 | Cain-Bro's | 2 | 2 | 0 | 0 | Dec 31, 1982 | Mar 11, 1983 |
| 176 | Calame Oil Co. | 2 | 2 | 0 | 0 | Mar 9, 1984 | Mar 12, 1984 |
| 177 | Champlin Petroleum Co. | 2 | 2 | 0 | 0 | Dec 1, 1983 | Nov 18, 1985 |
| 178 | Chapman Oil | 2 | 2 | 0 | 0 | Dec 28, 1979 | Dec 31, 1980 |
| 179 | C & NM Energy, LLC | 2 | 2 | 1 | 0 | Aug 29, 2005 | Aug 29, 2005 |
| 180 | Cutrer Energy | 2 | 2 | 0 | 0 | Dec 28, 1987 | Dec 28, 1987 |
| 181 | C. W. Resources, Inc. | 2 | 2 | 0 | 0 | Jul 31, 1995 | Jul 31, 1995 |
| 182 | Endevco Producing Company | 2 | 2 | 0 | 0 | Dec 9, 1987 | Dec 9, 1987 |
| 183 | Energy Transfer Company | 2 | 2 | 0 | 0 | Jan 20, 2022 | Mar 6, 2024 |
| 184 | Enervest Operating, L.L.C. | 2 | 2 | 0 | 0 | May 17, 2011 | May 19, 2011 |
| 185 | Gen. Amer. Oil Co. of Texas | 2 | 2 | 0 | 0 | Jul 12, 1977 | Sep 5, 1979 |
| 186 | Grand Energy, Inc. | 2 | 2 | 0 | 0 | Jun 20, 1989 | Jun 20, 1989 |
| 187 | Gypsy Resources, Ltd. | 2 | 2 | 0 | 0 | Mar 15, 2000 | Mar 15, 2000 |
| 188 | Harris, James B. | 2 | 2 | 0 | 0 | Jun 13, 1979 | Jul 6, 1979 |
| 189 | Koch Pipeline Company, L.P. | 2 | 2 | 0 | 0 | Dec 2, 1996 | Dec 2, 1996 |
| 190 | Lasmo Energy Corporation | 2 | 2 | 0 | 0 | Feb 28, 1990 | Sep 24, 1990 |
| 191 | Patara Oil & Gas LLC | 2 | 2 | 0 | 0 | Feb 22, 2012 | Feb 22, 2012 |
| 192 | Petro-Chem Operating Company,inc | 2 | 2 | 0 | 0 | Jan 24, 2022 | Sep 19, 2024 |
| 193 | River City Resources, Inc. | 2 | 2 | 0 | 0 | Feb 14, 1992 | Aug 24, 1992 |
| 194 | Seagull Mid-South, Inc. | 2 | 2 | 0 | 0 | Sep 26, 1996 | Sep 26, 1996 |
| 195 | Smith, L.C., Oil Operations | 2 | 2 | 0 | 0 | Feb 27, 1984 | Oct 18, 1984 |
| 196 | Sonat Exploration Company-MCR | 2 | 2 | 0 | 0 | Aug 28, 1991 | Jan 16, 1992 |
| 197 | Taylor SWD Operating, Inc. | 2 | 2 | 0 | 0 | Aug 31, 1994 | Jan 26, 1995 |
| 198 | Tejas Production Co | 2 | 2 | 0 | 0 | Mar 14, 1978 | Sep 26, 1978 |
| 199 | Trafalgar House Oil and Gas Inc. | 2 | 2 | 0 | 0 | Sep 16, 1985 | Jan 28, 1986 |
| 200 | Union Operating Company | 2 | 2 | 0 | 0 | Dec 27, 2002 | Mar 3, 2003 |
| 201 | Valero Producing Company | 2 | 2 | 0 | 0 | Jun 8, 1984 | Apr 23, 1985 |
| 202 | Windrush Operating Co., L.L.C. | 2 | 2 | 0 | 0 | May 3, 2010 | Dec 6, 2010 |
| 203 | Woolf & Magee, Inc. | 2 | 2 | 0 | 0 | Apr 18, 1991 | Apr 18, 1991 |
| 204 | Zero Corporation of Texas | 2 | 2 | 0 | 0 | Dec 16, 1980 | Jul 27, 1981 |
| 205 | AP Operating, Inc. | 1 | 1 | 0 | 14 | May 4, 2021 | May 4, 2021 |
| 206 | Phillips, Jack L. | 1 | 1 | 0 | 6 | Apr 12, 1993 | Apr 12, 1993 |
| 207 | Buffco Production Inc. | 1 | 1 | 0 | 5 | Mar 24, 1999 | Mar 24, 1999 |
| 208 | Triton Oil & Gas Corp. | 1 | 1 | 0 | 4 | Oct 30, 1981 | Oct 30, 1981 |
| 209 | Pinnergy, Ltd. | 1 | 1 | 0 | 2 | Jul 31, 2007 | Jul 31, 2007 |
| 210 | Wildcatters of Texas | 1 | 1 | 0 | 2 | Oct 17, 1990 | Oct 17, 1990 |
| 211 | Bullard Petroleum Inc. | 1 | 1 | 0 | 1 | Sep 19, 1988 | Sep 19, 1988 |
| 212 | Cenergy Exploration Company | 1 | 1 | 0 | 1 | Jun 14, 1982 | Jun 14, 1982 |
| 213 | Crown Central Petroleum Corp. | 1 | 1 | 0 | 1 | Feb 22, 1985 | Feb 22, 1985 |
| 214 | Goldston Oil Corporation | 1 | 1 | 0 | 1 | Jan 10, 2007 | Jan 10, 2007 |
| 215 | Goodrich Petroleum Company | 1 | 1 | 0 | 1 | Mar 4, 1997 | Mar 4, 1997 |
| 216 | Green River Resources Inc. | 1 | 1 | 0 | 1 | Apr 11, 1994 | Apr 11, 1994 |
| 217 | JHP Operating, LLC | 1 | 1 | 0 | 1 | Dec 27, 2002 | Dec 27, 2002 |
| 218 | Key Energy Services, LLC | 1 | 1 | 0 | 1 | Apr 15, 2008 | Apr 15, 2008 |
| 219 | Killingsworth Oil Co. | 1 | 1 | 0 | 1 | Jul 21, 1994 | Jul 21, 1994 |
| 220 | Linn Operating, Inc. | 1 | 1 | 0 | 1 | Mar 10, 2016 | Mar 10, 2016 |
| 221 | Miller, B.H. Oil & Martin,d. Oil | 1 | 1 | 0 | 1 | Apr 25, 1983 | Apr 25, 1983 |
| 222 | Mobley Company, Inc. | 1 | 1 | 0 | 1 | Nov 19, 1979 | Nov 19, 1979 |
| 223 | Mulkey Engineering Co., Inc. | 1 | 1 | 0 | 1 | Mar 24, 1981 | Mar 24, 1981 |
| 224 | Roach, R. Byron Trustee | 1 | 1 | 0 | 1 | May 12, 1995 | May 12, 1995 |
| 225 | SWD, Inc. | 1 | 1 | 0 | 1 | Mar 27, 1998 | Mar 27, 1998 |
| 226 | Texas Saltwater Disposal, Inc. | 1 | 1 | 0 | 1 | Jul 16, 1993 | Jul 16, 1993 |
| 227 | W & W Services, Inc. | 1 | 1 | 0 | 1 | Oct 1, 2003 | Oct 1, 2003 |
| 228 | 179 Disposal, Inc. | 1 | 1 | 0 | 0 | Aug 13, 2003 | Aug 13, 2003 |
| 229 | Allen Petroleum, Inc. | 1 | 1 | 0 | 0 | Sep 23, 1981 | Sep 23, 1981 |
| 230 | Amax Oil & Gas Inc. | 1 | 1 | 0 | 0 | Dec 31, 1990 | Dec 31, 1990 |
| 231 | American Cascade Energy, Inc. | 1 | 1 | 0 | 0 | Jul 31, 1991 | Jul 31, 1991 |
| 232 | Arcadia Refining Co. | 1 | 1 | 0 | 0 | Apr 3, 1978 | Apr 3, 1978 |
| 233 | Bass Enterprises Production Co. | 1 | 1 | 0 | 0 | Apr 3, 1985 | Apr 3, 1985 |
| 234 | Blocker Exploration Co. | 1 | 1 | 0 | 0 | Jun 29, 1981 | Jun 29, 1981 |
| 235 | Blount, C. L. | 1 | 1 | 0 | 0 | May 16, 1989 | May 16, 1989 |
| 236 | Bowman, Wesley | 1 | 1 | 0 | 0 | Dec 18, 1989 | Dec 18, 1989 |
| 237 | Boyd, Dick | 1 | 1 | 0 | 0 | Apr 14, 1982 | Apr 14, 1982 |
| 238 | Brown, C. L., III | 1 | 1 | 0 | 0 | Aug 20, 1985 | Aug 20, 1985 |
| 239 | Burgundy Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Jul 2, 1999 | Jul 2, 1999 |
| 240 | Cabot Petroleum Corporation | 1 | 1 | 0 | 0 | Aug 4, 1988 | Aug 4, 1988 |
| 241 | Calatex Exploration, Inc. | 1 | 1 | 0 | 0 | Aug 5, 1983 | Aug 5, 1983 |
| 242 | Calumet Oil Company | 1 | 1 | 0 | 0 | Nov 8, 2000 | Nov 8, 2000 |
| 243 | Camterra Resources, Inc. | 1 | 1 | 0 | 0 | Sep 7, 2005 | Sep 7, 2005 |
| 244 | Cities Service Company | 1 | 1 | 0 | 0 | May 21, 1979 | May 21, 1979 |
| 245 | Cities Service Oil & Gas Corp. | 1 | 1 | 0 | 0 | Sep 1, 1983 | Sep 1, 1983 |
| 246 | Concorde Exploration, Inc. | 1 | 1 | 0 | 0 | Apr 13, 1993 | Apr 13, 1993 |
| 247 | Conoco Inc. | 1 | 1 | 0 | 0 | Mar 18, 1981 | Mar 18, 1981 |
| 248 | Daltex Venture | 1 | 1 | 0 | 0 | Jun 1, 1990 | Jun 1, 1990 |
| 249 | Davis Oil Company | 1 | 1 | 0 | 0 | Sep 4, 1979 | Sep 4, 1979 |
| 250 | Diamond Shamrock Exploration Co. | 1 | 1 | 0 | 0 | Apr 9, 1985 | Apr 9, 1985 |
| 251 | Dreyfus, Louis Natural Gas Corp | 1 | 1 | 0 | 0 | Jun 14, 2001 | Jun 14, 2001 |
| 252 | East Texas Energy Corporation | 1 | 1 | 0 | 0 | Oct 4, 1994 | Oct 4, 1994 |
| 253 | EL Dorado Oil & Gas Inc. | 1 | 1 | 0 | 0 | Feb 21, 1985 | Feb 21, 1985 |
| 254 | Ellis Exploration, Inc. | 1 | 1 | 0 | 0 | Nov 30, 2011 | Nov 30, 2011 |
| 255 | Enbridge Pipelines (NE Texas) LP | 1 | 1 | 0 | 0 | Jun 25, 2007 | Jun 25, 2007 |
| 256 | Expand Operating LLC | 1 | 1 | 0 | 0 | Oct 30, 2026 | Oct 30, 2026 |
| 257 | First Great Western O & G, Inc. | 1 | 1 | 0 | 0 | Feb 13, 1985 | Feb 13, 1985 |
| 258 | Forest Oil Corporation | 1 | 1 | 0 | 0 | Mar 20, 2013 | Mar 20, 2013 |
| 259 | Fortson, Ben J. | 1 | 1 | 0 | 0 | Sep 24, 1981 | Sep 24, 1981 |
| 260 | Freestate Production Ltd. | 1 | 1 | 0 | 0 | Dec 5, 1986 | Dec 5, 1986 |
| 261 | Gilmore, Leo Oil, Inc. | 1 | 1 | 0 | 0 | Aug 25, 2006 | Aug 25, 2006 |
| 262 | Greenbrier Oper. Co. | 1 | 1 | 0 | 0 | Jun 22, 1990 | Jun 22, 1990 |
| 263 | Gulfstream Petroleum Corp. | 1 | 1 | 0 | 0 | Dec 13, 1978 | Dec 13, 1978 |
| 264 | Halbouty, Michel T. Energy Co. | 1 | 1 | 0 | 0 | Apr 16, 1985 | Apr 16, 1985 |
| 265 | Harleton Oil & Gas Inc. | 1 | 1 | 0 | 0 | Sep 14, 1994 | Sep 14, 1994 |
| 266 | Kraker & Martin Energy, L.L.C. | 1 | 1 | 0 | 0 | Mar 22, 2004 | Mar 22, 2004 |
| 267 | Lear Petroleum Exploration, Inc. | 1 | 1 | 0 | 0 | Nov 29, 1979 | Nov 29, 1979 |
| 268 | Lehnertz-Faulkner, Inc. | 1 | 1 | 0 | 0 | May 23, 2003 | May 23, 2003 |
| 269 | Lloyds American Corporation | 1 | 1 | 0 | 0 | Nov 2, 1992 | Nov 2, 1992 |
| 270 | Lomoco, Inc. | 1 | 1 | 0 | 0 | Jul 3, 1996 | Jul 3, 1996 |
| 271 | London Petroleum Corporation | 1 | 1 | 0 | 0 | Nov 30, 1990 | Nov 30, 1990 |
| 272 | Magellan Crude Oil PL Co, L.P. | 1 | 1 | 0 | 0 | Jul 29, 2025 | Jul 29, 2025 |
| 273 | Mainland Petroleum Co., Inc. | 1 | 1 | 0 | 0 | Oct 10, 1985 | Oct 10, 1985 |
| 274 | Marconi Exploration, Inc. | 1 | 1 | 0 | 0 | May 3, 1989 | May 3, 1989 |
| 275 | Maxus Exploration Company | 1 | 1 | 0 | 0 | Aug 5, 1987 | Aug 5, 1987 |
| 276 | McConathy Production Co., Inc. | 1 | 1 | 0 | 0 | Nov 18, 1985 | Nov 18, 1985 |
| 277 | McCormick Oil & Gas Corp. | 1 | 1 | 0 | 0 | Jul 25, 1978 | Jul 25, 1978 |
| 278 | M. E. Operating & Services, Inc. | 1 | 1 | 0 | 0 | Jul 10, 2003 | Jul 10, 2003 |
| 279 | Moseley Petroleum Corp. | 1 | 1 | 0 | 0 | Nov 4, 1983 | Nov 4, 1983 |
| 280 | N.A. Horizon Resources USA Corp | 1 | 1 | 0 | 0 | Mar 23, 1983 | Mar 23, 1983 |
| 281 | North Central Oil Corp. | 1 | 1 | 0 | 0 | Feb 19, 1982 | Feb 19, 1982 |
| 282 | Orbit Energy LLC | 1 | 1 | 0 | 0 | Jun 12, 2008 | Jun 12, 2008 |
| 283 | Orbit Ventures, Inc. | 1 | 1 | 0 | 0 | Apr 8, 1981 | Apr 8, 1981 |
| 284 | Oryx Energy Company | 1 | 1 | 0 | 0 | Aug 30, 1989 | Aug 30, 1989 |
| 285 | Overton, Edward & Richey, W. E. | 1 | 1 | 0 | 0 | Aug 25, 1977 | Aug 25, 1977 |
| 286 | Parten Operating Inc. | 1 | 1 | 0 | 0 | Dec 29, 2010 | Dec 29, 2010 |
| 287 | Paulow Energy Company | 1 | 1 | 0 | 0 | Jun 21, 1982 | Jun 21, 1982 |
| 288 | Pecos Petroleum Company | 1 | 1 | 0 | 0 | Jun 21, 1989 | Jun 21, 1989 |
| 289 | Perryman Operating Company | 1 | 1 | 0 | 0 | May 15, 1995 | May 15, 1995 |
| 290 | Petroleum Management, Inc. | 1 | 1 | 0 | 0 | Sep 21, 1977 | Sep 21, 1977 |
| 291 | Petro-Management, Inc. | 1 | 1 | 0 | 0 | Sep 22, 1978 | Sep 22, 1978 |
| 292 | Pinkston Energy Corporation | 1 | 1 | 0 | 0 | May 12, 1997 | May 12, 1997 |
| 293 | Precision Operating Inc. | 1 | 1 | 0 | 0 | Feb 17, 1989 | Feb 17, 1989 |
| 294 | Prime Natural Resources Inc | 1 | 1 | 0 | 0 | Jan 16, 2002 | Jan 16, 2002 |
| 295 | Questar Expl. and Prod. Co. | 1 | 1 | 0 | 0 | Oct 17, 2002 | Oct 17, 2002 |
| 296 | Redman XXP, L.L.C. | 1 | 1 | 0 | 0 | Nov 12, 2008 | Nov 12, 2008 |
| 297 | Reed & Strawn | 1 | 1 | 0 | 0 | Jul 23, 1986 | Jul 23, 1986 |
| 298 | Reserve Operating Corp. | 1 | 1 | 0 | 0 | Oct 10, 1995 | Oct 10, 1995 |
| 299 | Rife Oil Properties, Inc. | 1 | 1 | 0 | 0 | Feb 4, 2002 | Feb 4, 2002 |
| 300 | Rippy Oil Company | 1 | 1 | 0 | 0 | Jan 5, 2007 | Jan 5, 2007 |
452 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE