COUNTIES · ROBERTS · OPERATORS
Roberts 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 | Range Production Company | 164 | 164 | 30 | 11 | Mar 31, 1999 | Jun 9, 2014 |
| 2 | Unit Petroleum Company | 160 | 160 | 72 | 152 | Jan 13, 1998 | Sep 13, 2021 |
| 3 | Mewbourne Oil Company | 131 | 131 | 80 | 128 | Apr 7, 1993 | Mar 10, 2023 |
| 4 | Amoco Production Company | 124 | 124 | 0 | 24 | Nov 1, 1978 | Sep 20, 2001 |
| 5 | Cimarex Energy Co. | 91 | 91 | 9 | 3 | Mar 29, 2005 | Sep 24, 2014 |
| 6 | Alpar Resources, Inc. | 84 | 84 | 2 | 16 | Jul 1, 1977 | Mar 14, 2003 |
| 7 | Diamond Chemicals Company | 75 | 75 | 0 | 13 | Jul 5, 1977 | Nov 17, 1983 |
| 8 | Latigo Petroleum Texas, LP | 66 | 66 | 5 | 0 | Jun 16, 2004 | Jan 2, 2009 |
| 9 | Chesapeake Operating, Inc. | 63 | 63 | 52 | 4 | Jan 11, 2006 | Jan 10, 2013 |
| 10 | Crescendo Resources, L.P. | 58 | 58 | 0 | 8 | Jan 24, 1997 | Apr 5, 2000 |
| 11 | Latigo Petroleum, LLC | 57 | 57 | 56 | 175 | Jan 21, 2014 | Apr 18, 2023 |
| 12 | Cimarex Energy Co. of Colorado | 57 | 57 | 1 | 27 | May 30, 2006 | Mar 2, 2009 |
| 13 | BP America Production Company | 55 | 55 | 29 | 61 | May 30, 2001 | Jun 19, 2017 |
| 14 | Tenneco Oil Co. | 54 | 54 | 0 | 10 | Mar 13, 1978 | Nov 14, 1984 |
| 15 | Texakoma E & P, LLC | 53 | 53 | 11 | 68 | May 17, 2005 | Jul 9, 2026 |
| 16 | Gulf Oil Corp. | 46 | 46 | 0 | 20 | Sep 23, 1977 | May 21, 1985 |
| 17 | Midgard Energy Company | 45 | 45 | 0 | 6 | Feb 7, 1995 | Jul 21, 1997 |
| 18 | Huber, J. M., Corporation | 42 | 42 | 0 | 10 | Nov 7, 1977 | Mar 8, 2004 |
| 19 | Davis Operating Company, Inc. | 36 | 36 | 0 | 20 | Apr 1, 2005 | Sep 19, 2025 |
| 20 | Exxon Corp. | 32 | 32 | 0 | 4 | Dec 22, 1977 | Apr 29, 1985 |
| 21 | Texakoma Operating, L.P. | 30 | 30 | 1 | 6 | Nov 18, 2005 | Apr 30, 2013 |
| 22 | Sabine Oil & Gas LLC | 30 | 30 | 27 | 0 | Aug 27, 2012 | Oct 21, 2014 |
| 23 | Devon Energy Production Co, L.P. | 29 | 29 | 4 | 6 | Mar 28, 1996 | Oct 25, 2011 |
| 24 | Seagull Midcon Inc. | 27 | 27 | 0 | 0 | Apr 24, 1992 | Mar 25, 1998 |
| 25 | Diamond Shamrock Exploration Co. | 25 | 25 | 0 | 5 | Dec 19, 1983 | Mar 30, 1987 |
| 26 | Questar Expl. and Prod. Co. | 25 | 25 | 0 | 2 | May 21, 1999 | Mar 19, 2007 |
| 27 | Amarillo Oil Co. | 25 | 25 | 0 | 1 | Sep 22, 1977 | Dec 3, 1979 |
| 28 | Pioneer Production Corp. | 25 | 25 | 0 | 1 | Jan 30, 1980 | Dec 28, 1984 |
| 29 | Gruy Petroleum Management Co. | 24 | 24 | 0 | 1 | Oct 13, 2000 | May 9, 2006 |
| 30 | TXO Production Corp. | 23 | 23 | 0 | 7 | Jun 1, 1981 | Feb 21, 1985 |
| 31 | Wallace Oil & Gas, Inc. | 20 | 20 | 0 | 1 | Dec 30, 1980 | May 16, 1995 |
| 32 | Apache Corporation | 17 | 17 | 8 | 18 | Dec 17, 1999 | Oct 17, 2014 |
| 33 | Pantera Energy Company | 16 | 16 | 0 | 108 | Nov 13, 2007 | Apr 29, 2026 |
| 34 | Bracken Operating, L.L.C. | 16 | 16 | 1 | 12 | Aug 11, 1997 | Feb 4, 2022 |
| 35 | Upland Resources, Inc. | 16 | 16 | 4 | 2 | Mar 8, 2001 | Oct 5, 2006 |
| 36 | Grayhawk Operating, Inc. | 16 | 16 | 14 | 0 | Nov 9, 2004 | Dec 4, 2006 |
| 37 | Strat Land Exploration Company | 15 | 15 | 0 | 4 | Dec 15, 1993 | Apr 19, 2006 |
| 38 | Parker & Parsley Development L.P | 15 | 15 | 0 | 0 | Feb 21, 1996 | Jun 25, 1997 |
| 39 | Chevron U. S. A. Inc. | 14 | 14 | 0 | 3 | Oct 18, 1985 | Apr 25, 1991 |
| 40 | Sun Exploration & Production Co. | 14 | 14 | 0 | 1 | Aug 5, 1977 | Jul 7, 1987 |
| 41 | Maxus Exploration Company | 13 | 13 | 0 | 20 | Oct 26, 1987 | Nov 22, 1994 |
| 42 | Le Norman Operating LLC | 13 | 13 | 11 | 5 | May 3, 2011 | Nov 4, 2014 |
| 43 | Ladd Petroleum Corp. | 13 | 13 | 0 | 3 | Dec 16, 1977 | Jun 1, 1987 |
| 44 | CNG Producing Company | 13 | 13 | 0 | 0 | May 17, 1985 | Nov 17, 1987 |
| 45 | Devon Louisiana Corporation | 13 | 13 | 0 | 0 | Oct 30, 2003 | Dec 8, 2005 |
| 46 | Holmes Exploration, LLC | 13 | 13 | 13 | 0 | Mar 27, 2012 | Mar 7, 2013 |
| 47 | Corlena Oil Company | 12 | 12 | 3 | 9 | Oct 3, 1994 | Aug 25, 2014 |
| 48 | Exxcel Production Company | 11 | 11 | 0 | 34 | Feb 27, 2006 | Jan 4, 2011 |
| 49 | Canyon Exploration Co. | 11 | 11 | 0 | 9 | Feb 13, 1991 | May 10, 1995 |
| 50 | BP Operating Company, LLC | 11 | 11 | 8 | 2 | Sep 27, 2012 | Feb 28, 2019 |
| 51 | Jones Energy, Ltd. | 11 | 11 | 7 | 1 | Oct 3, 1997 | Oct 28, 2011 |
| 52 | Trans Terra Corp., International | 11 | 11 | 0 | 1 | Nov 29, 1990 | Dec 10, 1993 |
| 53 | Bravo Natural Gas, LLC | 11 | 11 | 0 | 0 | Mar 26, 2007 | Mar 29, 2010 |
| 54 | Hadaway Consult and Engineer,llc | 11 | 11 | 3 | 0 | May 6, 2022 | Feb 16, 2024 |
| 55 | Samson Lone Star, LLC | 10 | 10 | 1 | 2 | Jul 30, 2007 | Mar 27, 2013 |
| 56 | Macdonald Explorations, Inc. | 10 | 10 | 0 | 1 | Feb 27, 1978 | Jul 10, 1981 |
| 57 | Bluegrass Energy, Inc. | 10 | 10 | 0 | 0 | May 5, 2004 | Oct 5, 2007 |
| 58 | Phillips Petroleum Company | 9 | 9 | 0 | 18 | Sep 22, 1982 | Oct 3, 2002 |
| 59 | Medallion Production Company | 9 | 9 | 0 | 2 | Nov 5, 1992 | Jun 2, 1995 |
| 60 | Mustang Fuel Corporation | 9 | 9 | 0 | 1 | Feb 22, 1995 | Sep 17, 2007 |
| 61 | Cotton Petroleum Corp. | 9 | 9 | 0 | 0 | Aug 5, 1977 | Nov 12, 1985 |
| 62 | Rockford Panhandle, LLC | 9 | 9 | 0 | 0 | Jul 9, 2007 | Dec 19, 2007 |
| 63 | Samson Lone Star LP | 9 | 9 | 0 | 0 | Feb 8, 2001 | Apr 9, 2007 |
| 64 | Courson Oil & Gas, Inc. | 8 | 8 | 4 | 22 | Jan 19, 2001 | Jun 18, 2026 |
| 65 | Valpoint Operating, LLC | 8 | 8 | 2 | 7 | Mar 25, 2024 | May 28, 2025 |
| 66 | Amax Petroleum Corporation | 8 | 8 | 0 | 2 | Oct 16, 1979 | Mar 3, 1986 |
| 67 | Hilliard Oil & Gas, Inc. | 8 | 8 | 0 | 2 | Nov 6, 1978 | Jul 16, 1981 |
| 68 | Merit Energy Company | 8 | 8 | 3 | 2 | Jan 12, 2004 | Aug 6, 2008 |
| 69 | Couroil, Inc. | 8 | 8 | 0 | 1 | Dec 31, 1982 | May 26, 1993 |
| 70 | Forest Oil Corporation | 8 | 8 | 5 | 1 | Aug 16, 2011 | Nov 7, 2013 |
| 71 | Natural Gas Anadarko, Inc. | 8 | 8 | 0 | 0 | Jun 8, 1979 | Mar 6, 1984 |
| 72 | Range Production Company, LLC | 7 | 7 | 5 | 7 | Jan 13, 2014 | Jan 30, 2015 |
| 73 | Brighton Energy, L.L.C. | 7 | 7 | 0 | 3 | Dec 14, 2001 | Apr 24, 2006 |
| 74 | Chi Operating, Inc. | 7 | 7 | 0 | 2 | Dec 19, 2006 | Nov 15, 2011 |
| 75 | Cordillera Energy Prtnrs Iii,llc | 7 | 7 | 1 | 2 | Sep 30, 2008 | May 5, 2011 |
| 76 | Atlantic Richfield Co. | 7 | 7 | 0 | 1 | Jun 30, 1977 | Nov 2, 1977 |
| 77 | Pitco Investments, Ltd. | 7 | 7 | 0 | 1 | Sep 14, 2005 | May 24, 2006 |
| 78 | Prize Operating Company | 7 | 7 | 1 | 1 | Feb 7, 2000 | Apr 23, 2001 |
| 79 | 3-T Exploration, Inc. | 7 | 7 | 0 | 0 | Aug 12, 1992 | Oct 24, 2005 |
| 80 | Cordillera Texas, L.P. | 7 | 7 | 3 | 0 | Sep 11, 2006 | Apr 1, 2008 |
| 81 | Great Plains Operating, LLC. | 7 | 7 | 6 | 0 | Jul 14, 2010 | May 7, 2013 |
| 82 | Texas Oil & Gas Corp. | 7 | 7 | 0 | 0 | Apr 14, 1978 | Jan 20, 1982 |
| 83 | Getty Oil Co. | 6 | 6 | 0 | 3 | Jul 19, 1978 | Jul 27, 1984 |
| 84 | Davis Oil Company | 6 | 6 | 0 | 1 | Oct 3, 1977 | Jun 12, 1979 |
| 85 | Cabot Petroleum Corporation | 6 | 6 | 0 | 0 | Jan 22, 1982 | Dec 10, 1985 |
| 86 | Cordillera Energy Partners, LLC | 6 | 6 | 0 | 0 | Jan 14, 2003 | Aug 19, 2003 |
| 87 | Crest Resources, Inc. | 6 | 6 | 0 | 0 | Mar 16, 2005 | Jan 9, 2007 |
| 88 | J-Brex Company | 6 | 6 | 0 | 0 | May 26, 2004 | Dec 6, 2005 |
| 89 | May Petroleum, Inc. | 6 | 6 | 0 | 0 | Nov 18, 1980 | Dec 3, 1985 |
| 90 | Natural Gas Anadarko Company | 5 | 5 | 0 | 8 | Sep 21, 1995 | Sep 17, 2010 |
| 91 | Lasmo Energy Corporation | 5 | 5 | 0 | 2 | Feb 28, 1989 | Jan 26, 1990 |
| 92 | Union Oil Company of California | 5 | 5 | 0 | 2 | Dec 29, 1978 | Apr 9, 1986 |
| 93 | Baker & Taylor Drilling Co. | 5 | 5 | 0 | 1 | Aug 10, 1977 | Jul 21, 1983 |
| 94 | El Paso Natural Gas Co. | 5 | 5 | 0 | 1 | Aug 25, 1977 | Dec 10, 1981 |
| 95 | Slawson, Donald C. | 5 | 5 | 0 | 1 | Aug 29, 1978 | Apr 17, 1987 |
| 96 | Axio Production Company, L.P. | 5 | 5 | 0 | 0 | Feb 22, 2005 | Aug 30, 2005 |
| 97 | Choice Exploration, Inc. | 5 | 5 | 0 | 0 | Oct 16, 2013 | Oct 15, 2015 |
| 98 | Coenergy Operating Company | 5 | 5 | 0 | 0 | Jan 17, 1995 | Aug 8, 1996 |
| 99 | Summit Petroleum LLC | 5 | 5 | 5 | 0 | Jul 28, 2026 | Aug 20, 2026 |
| 100 | Tide West Oil Company | 5 | 5 | 0 | 0 | Jan 22, 1985 | Nov 9, 1995 |
| 101 | Linn Operating, Inc. | 4 | 4 | 2 | 12 | Aug 29, 2007 | Jul 30, 2014 |
| 102 | Blackbeard Operating, LLC | 4 | 4 | 0 | 11 | Apr 17, 2020 | Mar 7, 2023 |
| 103 | Overflow Energy, LLC | 4 | 4 | 0 | 4 | Mar 22, 2011 | Oct 10, 2014 |
| 104 | Cambridge Production, Inc. | 4 | 4 | 0 | 3 | Oct 21, 1999 | Mar 25, 2013 |
| 105 | Kaiser-Francis Oil Company | 4 | 4 | 0 | 3 | Jan 8, 1986 | Jul 11, 1996 |
| 106 | Latigo Petroleum, Inc. | 4 | 4 | 1 | 3 | Oct 9, 2006 | Feb 25, 2011 |
| 107 | Tecolote Energy Operating, LLC | 4 | 4 | 2 | 2 | Jan 4, 2017 | May 11, 2018 |
| 108 | Arrington CJM, Inc. | 4 | 4 | 0 | 1 | Mar 18, 1992 | Oct 20, 2000 |
| 109 | E. T. S. Enterprises, Inc. | 4 | 4 | 0 | 1 | Sep 3, 1981 | Nov 1, 1990 |
| 110 | Wheeler Energy Co. | 4 | 4 | 0 | 1 | Jan 28, 2005 | Aug 8, 2006 |
| 111 | Abraham, Malouf Company, Inc. | 4 | 4 | 0 | 0 | Oct 17, 1977 | May 16, 1978 |
| 112 | Follett Operating Co. | 4 | 4 | 0 | 0 | Apr 10, 1984 | Oct 15, 1986 |
| 113 | Granite Operating Company | 4 | 4 | 1 | 0 | Nov 17, 2008 | Apr 20, 2012 |
| 114 | Hamon, Jake L. | 4 | 4 | 0 | 0 | Oct 11, 1977 | Sep 24, 1979 |
| 115 | Kirby Exploration Company | 4 | 4 | 0 | 0 | Mar 21, 1980 | Dec 31, 1982 |
| 116 | Oneok Exploration Company | 4 | 4 | 0 | 0 | Feb 3, 1986 | Apr 18, 1986 |
| 117 | Paramount Producing, Inc. | 4 | 4 | 0 | 0 | Jul 11, 1977 | Jul 16, 1979 |
| 118 | Patina Oil & Gas Corporation | 4 | 4 | 0 | 0 | Dec 8, 2003 | May 13, 2005 |
| 119 | Pennzoil Exploration & Prod. Co. | 4 | 4 | 0 | 0 | Oct 7, 1993 | Apr 27, 1995 |
| 120 | Petrosearch Operating Co, LLC | 3 | 3 | 0 | 40 | Feb 10, 2006 | Jan 4, 2008 |
| 121 | H & L Exploration Company, LLC | 3 | 3 | 3 | 12 | Jul 6, 2011 | Oct 9, 2014 |
| 122 | Winright Resources Operating,llc | 3 | 3 | 2 | 9 | Apr 25, 2018 | Oct 26, 2018 |
| 123 | Eddleman, M. W. | 3 | 3 | 0 | 6 | Oct 9, 1979 | Jan 14, 1980 |
| 124 | Questa Energy Corporation | 3 | 3 | 0 | 3 | May 12, 1995 | Jun 3, 2005 |
| 125 | Sidwell Oil & Gas, Inc. | 3 | 3 | 0 | 3 | Aug 24, 1983 | Apr 17, 2001 |
| 126 | Amarillo Exploration, Inc. | 3 | 3 | 0 | 1 | Jan 14, 2010 | Oct 9, 2017 |
| 127 | Sanguine Gas Exploration, LLC | 3 | 3 | 0 | 1 | Feb 8, 2011 | Mar 21, 2012 |
| 128 | Statex Petroleum Inc. | 3 | 3 | 0 | 1 | Jun 20, 1983 | Jul 18, 1985 |
| 129 | Woods Petroleum Corporation | 3 | 3 | 0 | 1 | Dec 20, 1979 | May 22, 1981 |
| 130 | Barrett Resources Corporation | 3 | 3 | 0 | 0 | Nov 21, 1995 | Aug 2, 1996 |
| 131 | Cabot Oil & Gas Corporation | 3 | 3 | 0 | 0 | Jan 14, 1992 | Oct 24, 1997 |
| 132 | Cross Timbers Operating Company | 3 | 3 | 0 | 0 | Oct 25, 1994 | Jun 10, 1996 |
| 133 | Hondo Oil & Gas Company Delaware | 3 | 3 | 0 | 0 | Mar 20, 1990 | Nov 6, 1990 |
| 134 | Marsh Operating Company | 3 | 3 | 0 | 0 | Oct 4, 1990 | Dec 20, 1991 |
| 135 | Ocean Energy, Inc. | 3 | 3 | 0 | 0 | Jul 19, 2002 | May 27, 2003 |
| 136 | Pennzoil Petroleum Company | 3 | 3 | 0 | 0 | Sep 22, 1995 | Oct 19, 1995 |
| 137 | Petroleum Inc. | 3 | 3 | 0 | 0 | Jun 25, 1982 | Jul 22, 1988 |
| 138 | Plains Resources Inc. | 3 | 3 | 0 | 0 | Sep 14, 1982 | Dec 9, 1982 |
| 139 | Rio Petroleum, Inc. | 3 | 3 | 0 | 0 | Aug 29, 1983 | Mar 19, 2002 |
| 140 | RKI Energy Resources, LLC | 3 | 3 | 0 | 0 | Jul 6, 2018 | Sep 30, 2018 |
| 141 | Search Drilling Co. | 3 | 3 | 0 | 0 | Dec 6, 1979 | Jul 28, 1981 |
| 142 | Towner Petroleum Company | 3 | 3 | 0 | 0 | Nov 4, 1981 | Mar 31, 1982 |
| 143 | Universal Resources Corp. | 3 | 3 | 0 | 0 | Jun 6, 1995 | Jan 5, 1999 |
| 144 | Mmgl Txph, LLC | 2 | 2 | 0 | 261 | Jun 18, 2025 | Aug 22, 2025 |
| 145 | Valence Operating Company | 2 | 2 | 0 | 5 | Mar 19, 1996 | Oct 1, 2003 |
| 146 | Sabine Oil & Gas Corporation | 2 | 2 | 1 | 3 | May 26, 2015 | May 23, 2019 |
| 147 | Energy Reserves Group, Inc. | 2 | 2 | 0 | 1 | Feb 17, 1981 | Feb 17, 1981 |
| 148 | Nadel & Gussman | 2 | 2 | 0 | 1 | Aug 25, 1989 | Sep 28, 1998 |
| 149 | Noble Energy Inc | 2 | 2 | 2 | 1 | May 5, 2010 | Oct 19, 2010 |
| 150 | Philcon Development Co. | 2 | 2 | 0 | 1 | Oct 8, 1981 | Jul 27, 2005 |
| 151 | Raydon Exploration, Inc. | 2 | 2 | 0 | 1 | Oct 12, 2005 | Apr 20, 2006 |
| 152 | R.E.D. Resources, Inc. | 2 | 2 | 0 | 1 | Nov 10, 1999 | Aug 10, 2000 |
| 153 | Seagull Energy E&P Inc. | 2 | 2 | 0 | 1 | Jan 19, 2000 | Sep 1, 2000 |
| 154 | Abraham, Malouf Inc. | 2 | 2 | 0 | 0 | Jun 8, 1983 | Nov 21, 1983 |
| 155 | Ase Operations LLC | 2 | 2 | 1 | 0 | Apr 7, 2020 | Oct 20, 2020 |
| 156 | Axis Energy Corporation | 2 | 2 | 2 | 0 | Sep 26, 2012 | May 12, 2015 |
| 157 | Burlington Resources Oil&gas Co. | 2 | 2 | 0 | 0 | Jan 17, 1997 | Apr 29, 1997 |
| 158 | Cambridge & Nail | 2 | 2 | 0 | 0 | Jun 6, 1977 | Dec 21, 1979 |
| 159 | CNG Producing Company-Tulsa Div. | 2 | 2 | 0 | 0 | Dec 11, 1986 | Jun 5, 1987 |
| 160 | Deep Reef Industries | 2 | 2 | 0 | 0 | May 24, 1978 | Oct 27, 1978 |
| 161 | El Paso Exploration Co. | 2 | 2 | 0 | 0 | Jun 14, 1985 | Jun 14, 1985 |
| 162 | Hawkins Oil & Gas, Inc. | 2 | 2 | 0 | 0 | Apr 26, 1985 | Jun 11, 1985 |
| 163 | Hoover & Bracken Energies, Inc. | 2 | 2 | 0 | 0 | Sep 12, 1977 | Aug 8, 1978 |
| 164 | McDaniel Company, Inc., The | 2 | 2 | 0 | 0 | Oct 4, 1993 | Sep 14, 1995 |
| 165 | McKinney Operating Company | 2 | 2 | 0 | 0 | Nov 20, 1985 | Dec 23, 1986 |
| 166 | Medallion Petroleum, Inc. | 2 | 2 | 0 | 0 | Jan 22, 1987 | Sep 12, 1988 |
| 167 | Northern Natural Gas Co. | 2 | 2 | 0 | 0 | Aug 16, 1977 | Aug 16, 1979 |
| 168 | Paradox Petroleum Company | 2 | 2 | 0 | 0 | Oct 28, 1977 | Jul 10, 1978 |
| 169 | Texas West Oil & Gas Corp. | 2 | 2 | 0 | 0 | Dec 19, 1979 | Apr 11, 1980 |
| 170 | Chesapeake Operating, L.L.C. | 1 | 1 | 1 | 9 | Nov 13, 2014 | Nov 13, 2014 |
| 171 | Helmerich & Payne, Inc. | 1 | 1 | 0 | 6 | Mar 20, 1991 | Mar 20, 1991 |
| 172 | Smith, Earl T. & Assoc., Inc. | 1 | 1 | 0 | 4 | Jul 1, 1983 | Jul 1, 1983 |
| 173 | Arco Oil & Gas Co. | 1 | 1 | 0 | 3 | Apr 16, 1980 | Apr 16, 1980 |
| 174 | Kerr-McGee Corporation | 1 | 1 | 0 | 2 | Jun 30, 1977 | Jun 30, 1977 |
| 175 | Mustang Fuel Corp. of Oklahoma | 1 | 1 | 0 | 2 | May 27, 1992 | May 27, 1992 |
| 176 | QEP Energy Company | 1 | 1 | 0 | 2 | Aug 27, 2013 | Aug 27, 2013 |
| 177 | Wheeler, Roger M. | 1 | 1 | 0 | 2 | Oct 8, 1980 | Oct 8, 1980 |
| 178 | American Exploration Company | 1 | 1 | 0 | 1 | Oct 6, 1989 | Oct 6, 1989 |
| 179 | Crawley Petroleum Corporation | 1 | 1 | 0 | 1 | Oct 4, 1994 | Oct 4, 1994 |
| 180 | Denny & Associates | 1 | 1 | 0 | 1 | Jan 27, 1984 | Jan 27, 1984 |
| 181 | Dunigan Operating Co., Inc. | 1 | 1 | 0 | 1 | Nov 30, 1982 | Nov 30, 1982 |
| 182 | Gifford Operating Company | 1 | 1 | 0 | 1 | Mar 23, 1987 | Mar 23, 1987 |
| 183 | Hamilton Brothers Oil Co. | 1 | 1 | 0 | 1 | Oct 28, 1980 | Oct 28, 1980 |
| 184 | H & L Operating Co., L.L.P. | 1 | 1 | 0 | 1 | Dec 20, 2004 | Dec 20, 2004 |
| 185 | Laddex, Ltd. | 1 | 1 | 0 | 1 | Oct 22, 2013 | Oct 22, 2013 |
| 186 | Macdonald | 1 | 1 | 0 | 1 | Dec 7, 1979 | Dec 7, 1979 |
| 187 | RPM Petroleum, LLC | 1 | 1 | 0 | 1 | Sep 16, 2004 | Sep 16, 2004 |
| 188 | American Public Energy Co. | 1 | 1 | 0 | 0 | Dec 15, 1977 | Dec 15, 1977 |
| 189 | Argonaut Energy Corporation | 1 | 1 | 0 | 0 | Sep 26, 1978 | Sep 26, 1978 |
| 190 | Arrington Brothers | 1 | 1 | 0 | 0 | Jun 28, 1984 | Jun 28, 1984 |
| 191 | Bannon Energy Incorporated | 1 | 1 | 0 | 0 | Jun 30, 1992 | Jun 30, 1992 |
| 192 | B & B Farm Industries, Inc. | 1 | 1 | 0 | 0 | Apr 19, 1983 | Apr 19, 1983 |
| 193 | Beard Oil Company | 1 | 1 | 0 | 0 | Aug 24, 1990 | Aug 24, 1990 |
| 194 | BHP Petroleum Company Inc. | 1 | 1 | 0 | 0 | Jul 28, 1987 | Jul 28, 1987 |
| 195 | Bison Petroleum Corporation | 1 | 1 | 0 | 0 | Aug 20, 1982 | Aug 20, 1982 |
| 196 | Blue Dolphin Production LLC | 1 | 1 | 0 | 0 | Sep 22, 2006 | Sep 22, 2006 |
| 197 | Burkhart Petroleum Corporation | 1 | 1 | 0 | 0 | Aug 2, 1984 | Aug 2, 1984 |
| 198 | Canyon Creek Resources, LLC | 1 | 1 | 0 | 0 | May 10, 2013 | May 10, 2013 |
| 199 | Charter Oak Production Co., LLC | 1 | 1 | 0 | 0 | Mar 31, 2014 | Mar 31, 2014 |
| 200 | Clements Energy, Inc. | 1 | 1 | 0 | 0 | Nov 30, 1979 | Nov 30, 1979 |
| 201 | Davis, William H. | 1 | 1 | 0 | 0 | Mar 3, 1981 | Mar 3, 1981 |
| 202 | Dreyfus, Louis Natural Gas Corp | 1 | 1 | 0 | 0 | Jun 23, 1999 | Jun 23, 1999 |
| 203 | Duncan Energy Company | 1 | 1 | 0 | 0 | Aug 31, 1993 | Aug 31, 1993 |
| 204 | Duncan Oil Properties, Inc. | 1 | 1 | 0 | 0 | Dec 17, 2003 | Dec 17, 2003 |
| 205 | Dyco Petroleum Corporation | 1 | 1 | 0 | 0 | Oct 3, 1979 | Oct 3, 1979 |
| 206 | Edwards & Leach Oil Company | 1 | 1 | 0 | 0 | Nov 24, 1986 | Nov 24, 1986 |
| 207 | El Paso Exploration Co. | 1 | 1 | 0 | 0 | Oct 13, 1986 | Oct 13, 1986 |
| 208 | Enervest Operating, L.L.C. | 1 | 1 | 0 | 0 | Feb 19, 2016 | Feb 19, 2016 |
| 209 | Enron Oil & Gas Company | 1 | 1 | 0 | 0 | Aug 27, 1996 | Aug 27, 1996 |
| 210 | EOG Resources, Inc. | 1 | 1 | 1 | 0 | Aug 18, 2009 | Aug 18, 2009 |
| 211 | EP Operating Company | 1 | 1 | 0 | 0 | Dec 14, 1989 | Dec 14, 1989 |
| 212 | Federer, H. C. | 1 | 1 | 0 | 0 | Sep 7, 1982 | Sep 7, 1982 |
| 213 | Ferguson Oil & Gas Co., Inc. | 1 | 1 | 0 | 0 | Sep 25, 1978 | Sep 25, 1978 |
| 214 | Hadaway Engineering Inc. | 1 | 1 | 0 | 0 | Mar 16, 2009 | Mar 16, 2009 |
| 215 | Harkins & Company | 1 | 1 | 0 | 0 | Dec 8, 1987 | Dec 8, 1987 |
| 216 | H & L Operating Company | 1 | 1 | 0 | 0 | Apr 14, 1989 | Apr 14, 1989 |
| 217 | HNG Oil Company | 1 | 1 | 0 | 0 | Jun 10, 1980 | Jun 10, 1980 |
| 218 | Horizon Natural Gas Company | 1 | 1 | 0 | 0 | Aug 13, 2002 | Aug 13, 2002 |
| 219 | JCB II Enterprises, LLC | 1 | 1 | 0 | 0 | May 19, 2012 | May 19, 2012 |
| 220 | Lomak Production Company | 1 | 1 | 0 | 0 | Sep 10, 1996 | Sep 10, 1996 |
| 221 | McNic Oil & Gas Midcontinent,inc | 1 | 1 | 0 | 0 | Aug 29, 1997 | Aug 29, 1997 |
| 222 | Meridian Oil Inc. | 1 | 1 | 0 | 0 | May 23, 1995 | May 23, 1995 |
| 223 | Meridian Oil Production Inc. | 1 | 1 | 0 | 0 | Oct 20, 1994 | Oct 20, 1994 |
| 224 | Mesa Petroleum Co. | 1 | 1 | 0 | 0 | May 16, 1978 | May 16, 1978 |
| 225 | Monsanto Company | 1 | 1 | 0 | 0 | Aug 24, 1979 | Aug 24, 1979 |
| 226 | Moxie Disposal Systems, LLC | 1 | 1 | 0 | 0 | Jan 15, 2010 | Jan 15, 2010 |
| 227 | Neas Operating | 1 | 1 | 0 | 0 | Jul 6, 2006 | Jul 6, 2006 |
| 228 | Old Dominion Oil Corporation | 1 | 1 | 0 | 0 | Dec 17, 1979 | Dec 17, 1979 |
| 229 | Oswego, Inc. | 1 | 1 | 0 | 0 | Dec 6, 1993 | Dec 6, 1993 |
| 230 | Otc Petroleum Corporation | 1 | 1 | 0 | 0 | Nov 2, 1990 | Nov 2, 1990 |
| 231 | Peak Operating of Texas, LLC | 1 | 1 | 0 | 0 | Feb 6, 2004 | Feb 6, 2004 |
| 232 | Penn Virginia Oil & Gas, L.P. | 1 | 1 | 0 | 0 | Mar 23, 2011 | Mar 23, 2011 |
| 233 | Petrohawk Operating Company | 1 | 1 | 0 | 0 | Sep 10, 2008 | Sep 10, 2008 |
| 234 | Quinoco Petroleum, Inc. | 1 | 1 | 0 | 0 | Aug 25, 1989 | Aug 25, 1989 |
| 235 | Richardson, Joe C., Jr. | 1 | 1 | 0 | 0 | Dec 31, 1979 | Dec 31, 1979 |
| 236 | Ricks Exploration Co. | 1 | 1 | 0 | 0 | Jul 2, 1982 | Jul 2, 1982 |
| 237 | Ricks Exploration, Inc. | 1 | 1 | 0 | 0 | Feb 5, 2001 | Feb 5, 2001 |
| 238 | Roberts County Disposal Co. | 1 | 1 | 0 | 0 | Feb 28, 1983 | Feb 28, 1983 |
| 239 | Rosewood Corporation, The | 1 | 1 | 0 | 0 | Jun 28, 1983 | Jun 28, 1983 |
| 240 | R & R Exploration Company, Inc. | 1 | 1 | 0 | 0 | Dec 31, 1981 | Dec 31, 1981 |
| 241 | Santa FE Energy Resources, Inc. | 1 | 1 | 0 | 0 | May 22, 1995 | May 22, 1995 |
| 242 | Santa FE Minerals, Inc. | 1 | 1 | 0 | 0 | Jan 18, 1984 | Jan 18, 1984 |
| 243 | Stallion Energy, Inc. | 1 | 1 | 0 | 0 | Sep 17, 2004 | Sep 17, 2004 |
| 244 | Stone Petroleum Corporation, The | 1 | 1 | 0 | 0 | Feb 28, 1983 | Feb 28, 1983 |
| 245 | Superior Oil Company, The | 1 | 1 | 0 | 0 | Jun 6, 1984 | Jun 6, 1984 |
| 246 | Taylor Energy Corporation | 1 | 1 | 0 | 0 | Apr 17, 1979 | Apr 17, 1979 |
| 247 | Taylor, Ira D. | 1 | 1 | 0 | 0 | Dec 21, 1982 | Dec 21, 1982 |
| 248 | Tidemark Exploration Company | 1 | 1 | 0 | 0 | Jul 26, 1984 | Jul 26, 1984 |
| 249 | Tolex Energies, Inc. | 1 | 1 | 0 | 0 | Feb 12, 1985 | Feb 12, 1985 |
| 250 | Whitmar Exploration Company | 1 | 1 | 0 | 0 | Dec 1, 1980 | Dec 1, 1980 |
| 251 | Zinke & Trumbo, Ltd. | 1 | 1 | 0 | 0 | Feb 21, 1991 | Feb 21, 1991 |
| 252 | Bce-Mach III LLC | — | 0 | 0 | 183 | — | — |
| 253 | Wallace Oil & Gas Inc. | — | 0 | 0 | 119 | — | — |
| 254 | Unbridled Resources LLC | — | 0 | 0 | 86 | — | — |
| 255 | Complete Oil & Gas Services LLC | — | 0 | 0 | 70 | — | — |
| 256 | BE Anadarko II LLC | — | 0 | 0 | 60 | — | — |
| 257 | Presidio Petroleum LLC | — | 0 | 0 | 58 | — | — |
| 258 | Mesa Vista Operating LLC | — | 0 | 0 | 41 | — | — |
| 259 | United Oil & Shale LLC | — | 0 | 0 | 33 | — | — |
| 260 | Bce-Mach II LLC | — | 0 | 0 | 27 | — | — |
| 261 | Remora Operating LLC | — | 0 | 0 | 15 | — | — |
| 262 | Hominy Consulting LLC | — | 0 | 0 | 14 | — | — |
| 263 | Lease Holders Acquisitions LLC | — | 0 | 0 | 14 | — | — |
| 264 | Conocophillips Company | — | 0 | 0 | 10 | — | — |
| 265 | Hadaway Management Services LLC | — | 0 | 0 | 9 | — | — |
| 266 | CLR Secondary Recovery LLC | — | 0 | 0 | 8 | — | — |
| 267 | Uphill Consulting LLC | — | 0 | 0 | 6 | — | — |
| 268 | 4P Energy Texas LLC | — | 0 | 0 | 5 | — | — |
| 269 | Momentum Operating Co. Inc. | — | 0 | 0 | 5 | — | — |
| 270 | Sandlot Oil & Gas LLC | — | 0 | 0 | 5 | — | — |
| 271 | Brazos Petroleum Inc. | — | 0 | 0 | 4 | — | — |
| 272 | L and C Leasing Inc. | — | 0 | 0 | 4 | — | — |
| 273 | Mesa Operating Ltd Partnership | — | 0 | 0 | 4 | — | — |
| 274 | Myriad Resources Corporation | — | 0 | 0 | 4 | — | — |
| 275 | Shiloh Operating Company | — | 0 | 0 | 4 | — | — |
| 276 | Upland Resources LLC | — | 0 | 0 | 4 | — | — |
| 277 | Buffco Production Inc. | — | 0 | 0 | 3 | — | — |
| 278 | Dalf Energy LLC | — | 0 | 0 | 3 | — | — |
| 279 | Mooring Energy | — | 0 | 0 | 3 | — | — |
| 280 | Plains Exploration & Prod. Co. | — | 0 | 0 | 3 | — | — |
| 281 | Raylee Operating Company | — | 0 | 0 | 3 | — | — |
| 282 | Roxi Production | — | 0 | 0 | 3 | — | — |
| 283 | Texaco Inc. | — | 0 | 0 | 3 | — | — |
| 284 | Aghorn Operating Inc. | — | 0 | 0 | 2 | — | — |
| 285 | Atlas Operating LLC | — | 0 | 0 | 2 | — | — |
| 286 | Corgray Holdings LLC | — | 0 | 0 | 2 | — | — |
| 287 | Finley Resources Inc. | — | 0 | 0 | 2 | — | — |
| 288 | Furr Roy Estate Of | — | 0 | 0 | 2 | — | — |
| 289 | Moody Energy Co. | — | 0 | 0 | 2 | — | — |
| 290 | Pan American Petroleum Corp. | — | 0 | 0 | 2 | — | — |
| 291 | Pennzoil Company | — | 0 | 0 | 2 | — | — |
| 292 | Polaris Operating LLC | — | 0 | 0 | 2 | — | — |
| 293 | Shenandoah Oil Corp. | — | 0 | 0 | 2 | — | — |
| 294 | TC Oil and Gas LLC | — | 0 | 0 | 2 | — | — |
| 295 | Templar Operating LLC | — | 0 | 0 | 2 | — | — |
| 296 | Turner 50/50 LLC | — | 0 | 0 | 2 | — | — |
| 297 | Amarex Inc. | — | 0 | 0 | 1 | — | — |
| 298 | Anderman George G. | — | 0 | 0 | 1 | — | — |
| 299 | Avalanche Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 300 | Ball Oil Field Service | — | 0 | 0 | 1 | — | — |
355 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE