Ward 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 | Whiting Oil and Gas Corporation | 1,189 | 1,189 | 4 | 85 | Feb 3, 2005 | Dec 12, 2014 |
| 2 | Gulf Oil Corp. | 1,000 | 1,000 | 0 | 24 | Jun 22, 1977 | Jul 1, 1985 |
| 3 | Chevron U. S. A. Inc. | 544 | 544 | 14 | 44 | Jun 16, 1977 | Jun 17, 2019 |
| 4 | Jetta Operating Company, Inc. | 280 | 280 | 36 | 542 | Mar 7, 2003 | Jun 9, 2026 |
| 5 | Anadarko E&P Onshore LLC | 218 | 218 | 214 | 120 | Apr 15, 2013 | Dec 13, 2022 |
| 6 | Jagged Peak Energy LLC | 204 | 204 | 193 | 90 | Nov 20, 2013 | Jul 1, 2025 |
| 7 | Sundown Energy LP | 181 | 181 | 1 | 358 | Apr 12, 1996 | Sep 4, 2024 |
| 8 | OXY USA Inc. | 174 | 174 | 4 | 24 | Apr 24, 1996 | Jul 14, 2017 |
| 9 | Mr Oil Company | 174 | 174 | 0 | 12 | Aug 26, 1977 | Jul 27, 2004 |
| 10 | Callon Petroleum Operating Co | 173 | 173 | 168 | 9 | Aug 12, 2016 | Jun 5, 2024 |
| 11 | Southwest Royalties, Inc. | 133 | 133 | 11 | 75 | Feb 4, 1988 | Dec 31, 2014 |
| 12 | Cimarex Energy Co. | 130 | 130 | 126 | 1 | Feb 19, 2008 | Jul 2, 2018 |
| 13 | Seaboard Operating Co. | 115 | 115 | 0 | 217 | Oct 29, 2002 | Feb 26, 2024 |
| 14 | Point Energy Partners Petro, LLC | 109 | 109 | 96 | 1 | Mar 21, 2019 | May 1, 2024 |
| 15 | Anadarko Petroleum Corporation | 107 | 107 | 100 | 0 | Feb 21, 2006 | Mar 27, 2013 |
| 16 | Shell Western E&P Inc. | 105 | 105 | 0 | 0 | Feb 3, 1984 | Aug 10, 1995 |
| 17 | Abraxas Petroleum Corporation | 103 | 103 | 30 | 107 | Jan 17, 1996 | Mar 17, 2022 |
| 18 | Halcon Operating Co., Inc. | 102 | 102 | 98 | 64 | Jul 7, 2017 | Oct 30, 2026 |
| 19 | Energen Resources Corporation | 99 | 99 | 87 | 2 | Oct 21, 2008 | Jul 2, 2019 |
| 20 | Occidental Permian Ltd. | 96 | 96 | 55 | 204 | May 26, 2000 | Sep 11, 2026 |
| 21 | Four Corners Petroleum II, LLC | 96 | 96 | 2 | 5 | Mar 8, 2017 | Mar 22, 2019 |
| 22 | Saga Petroleum LLC of Colorado | 93 | 93 | 0 | 0 | Apr 2, 2013 | May 4, 2017 |
| 23 | Exxon Corp. | 89 | 89 | 0 | 23 | Jun 10, 1977 | Apr 15, 1993 |
| 24 | Mobil Producing TX. & N.M. Inc. | 86 | 86 | 33 | 5 | Apr 23, 1980 | Nov 5, 2003 |
| 25 | Shell Western E&P | 85 | 85 | 81 | 6 | Aug 6, 2012 | Aug 8, 2019 |
| 26 | Continental Resources, Inc. | 81 | 81 | 81 | 258 | Nov 18, 2019 | Nov 13, 2025 |
| 27 | Parker & Parsley Development L.P | 81 | 81 | 0 | 3 | Jun 5, 1995 | Aug 20, 1997 |
| 28 | Diamondback E&P LLC | 79 | 79 | 75 | 139 | Nov 30, 2012 | Aug 29, 2024 |
| 29 | Pitts Energy Co. | 76 | 76 | 0 | 92 | Jul 26, 1985 | Oct 2, 2026 |
| 30 | Three-B Oil Company, The | 76 | 76 | 0 | 14 | Jun 20, 1977 | May 10, 2012 |
| 31 | Blackbeard Operating, LLC | 75 | 75 | 0 | 9 | Dec 17, 2014 | Oct 27, 2025 |
| 32 | HNG Oil Company | 68 | 68 | 0 | 12 | Jul 13, 1977 | Sep 10, 1985 |
| 33 | Cimarex Energy Co. of Colorado | 67 | 67 | 58 | 22 | Nov 3, 2005 | May 8, 2018 |
| 34 | Oasis Petroleum Permian LLC | 67 | 67 | 47 | 1 | Oct 26, 2017 | May 26, 2020 |
| 35 | Chesapeake Operating, Inc. | 66 | 66 | 54 | 2 | May 10, 2002 | Aug 16, 2012 |
| 36 | Williams Oil Company | 64 | 64 | 0 | 86 | Feb 24, 1982 | Aug 17, 2026 |
| 37 | Williams, Clayton W., Jr. | 63 | 63 | 0 | 3 | Jun 8, 1977 | Dec 28, 1984 |
| 38 | Apache Corporation | 62 | 62 | 41 | 520 | Jun 3, 1996 | Mar 2, 2026 |
| 39 | Stevens & Tull, Inc. | 58 | 58 | 0 | 2 | Feb 19, 1988 | Nov 29, 1995 |
| 40 | Felix Energy Holdings II, LLC | 58 | 58 | 55 | 0 | Jun 10, 2016 | Jan 24, 2020 |
| 41 | O. H. B. Inc. | 56 | 56 | 0 | 8 | Dec 7, 1978 | Aug 16, 2013 |
| 42 | P.o.&g. Operating, LLC | 53 | 53 | 0 | 96 | Oct 16, 2009 | Nov 25, 2014 |
| 43 | XTO Energy Inc. | 52 | 52 | 49 | 90 | Oct 1, 2012 | Apr 15, 2026 |
| 44 | Celero Energy, L.P. | 51 | 51 | 0 | 3 | Feb 10, 2005 | Sep 27, 2005 |
| 45 | Texaco Inc. | 48 | 48 | 0 | 7 | Feb 7, 1978 | Aug 9, 1990 |
| 46 | Vital Energy, Inc. | 48 | 48 | 48 | 0 | Jun 14, 2022 | Dec 2, 2025 |
| 47 | Devon Energy Production Co, L.P. | 47 | 47 | 39 | 8 | May 1, 2007 | Apr 12, 2017 |
| 48 | Berry, O. H. | 47 | 47 | 0 | 6 | Oct 3, 1977 | Sep 3, 1987 |
| 49 | Seaboard Oil Company | 44 | 44 | 0 | 1 | May 4, 1993 | Apr 24, 2002 |
| 50 | Quantum Resources Management,llc | 43 | 43 | 4 | 0 | Jun 26, 2007 | Jun 23, 2008 |
| 51 | Manti Tarka Permian OP, LLC | 41 | 41 | 40 | 54 | Nov 24, 2015 | Jun 4, 2026 |
| 52 | Sandridge Expl. and Prod., LLC | 39 | 39 | 0 | 0 | May 26, 2010 | Nov 1, 2012 |
| 53 | Eagle Rock Operating Company,llc | 38 | 38 | 0 | 4 | Mar 11, 2008 | Mar 22, 2014 |
| 54 | Bosque Texas Oil LLC | 36 | 36 | 35 | 30 | Sep 5, 2018 | May 8, 2026 |
| 55 | Texon Oil Company, Inc. | 36 | 36 | 0 | 1 | Jul 3, 2001 | Feb 21, 2013 |
| 56 | Colgate Operating, LLC | 36 | 36 | 36 | 0 | Jul 19, 2019 | Feb 10, 2023 |
| 57 | WPX Energy Permian, LLC | 35 | 35 | 35 | 112 | Jul 14, 2017 | Jul 10, 2023 |
| 58 | BTA Oil Producers | 35 | 35 | 2 | 11 | Aug 8, 1979 | Oct 30, 2001 |
| 59 | Sunset Energy of Texas, Inc. | 35 | 35 | 0 | 0 | Feb 25, 1987 | Apr 12, 1988 |
| 60 | Permian Resources Operating, LLC | 32 | 32 | 32 | 248 | Mar 15, 2022 | Jun 22, 2026 |
| 61 | Shell Oil Company | 32 | 32 | 0 | 2 | Jul 11, 1977 | Aug 25, 1981 |
| 62 | WTG Exploration | 31 | 31 | 0 | 48 | May 4, 2000 | Oct 21, 2019 |
| 63 | Thomas, Michael J. Interests,inc | 31 | 31 | 0 | 9 | May 5, 1981 | Dec 31, 1982 |
| 64 | Pioneer Natural Res. USA, Inc. | 31 | 31 | 13 | 0 | Mar 12, 1997 | Jun 3, 2021 |
| 65 | Texaco E & P Inc. | 30 | 30 | 0 | 2 | Apr 11, 1991 | Apr 23, 2002 |
| 66 | Atlantic Exploration, LLC | 30 | 30 | 10 | 0 | Jan 26, 2012 | Sep 3, 2014 |
| 67 | Superior Oil Company, The | 29 | 29 | 0 | 3 | Jul 14, 1977 | Jul 25, 1985 |
| 68 | Latigo Petroleum Texas, LP | 29 | 29 | 0 | 0 | Nov 10, 2005 | Dec 27, 2006 |
| 69 | Bennett, M. Brad Inc. | 28 | 28 | 0 | 1 | Feb 23, 1982 | Dec 16, 1994 |
| 70 | Walsh & Watts, Inc. | 27 | 27 | 0 | 76 | Apr 3, 1980 | Apr 11, 2022 |
| 71 | Adobe Oil & Gas Corp. | 27 | 27 | 0 | 5 | Jun 28, 1978 | Apr 6, 1982 |
| 72 | Arrington Oil&gas Operating LLC | 27 | 27 | 24 | 0 | Feb 28, 2011 | Nov 6, 2014 |
| 73 | Southland Royalty Company | 25 | 25 | 0 | 6 | Jan 31, 1978 | Jul 5, 1995 |
| 74 | Sheridan Production Company, LLC | 25 | 25 | 0 | 2 | Feb 1, 2011 | Sep 26, 2014 |
| 75 | Forge Energy Operating, LLC | 25 | 25 | 22 | 0 | Feb 12, 2021 | Feb 27, 2023 |
| 76 | IP Petroleum Company, Inc. | 24 | 24 | 1 | 0 | Dec 17, 1993 | Oct 16, 1997 |
| 77 | Northstar Operating Company | 24 | 24 | 0 | 0 | Jan 2, 2008 | Jul 11, 2017 |
| 78 | Iron Orchard Operating LLC | 23 | 23 | 21 | 12 | Feb 12, 2024 | Oct 17, 2025 |
| 79 | Amoco Production Company | 23 | 23 | 0 | 7 | Jul 8, 1977 | Feb 22, 1988 |
| 80 | R K Petroleum Corporation | 23 | 23 | 1 | 3 | Nov 30, 1994 | Mar 31, 2003 |
| 81 | Devon Energy Corporation(nevada) | 23 | 23 | 5 | 0 | Apr 10, 1992 | Apr 7, 1997 |
| 82 | Enron Oil & Gas Company | 22 | 22 | 0 | 2 | Sep 8, 1994 | Sep 23, 1999 |
| 83 | Luxe Operating LLC | 22 | 22 | 22 | 0 | Sep 21, 2017 | Dec 21, 2020 |
| 84 | Percussion Petroleum Oper Ii,llc | 22 | 22 | 16 | 0 | Aug 18, 2021 | Jun 21, 2022 |
| 85 | COG Operating LLC | 21 | 21 | 21 | 3 | May 13, 2016 | Jul 25, 2022 |
| 86 | Stanolind Operating Corp. | 20 | 20 | 0 | 7 | Feb 9, 2005 | May 1, 2008 |
| 87 | Flag-Redfern Oil Company | 19 | 19 | 0 | 2 | Apr 10, 1980 | Feb 15, 1985 |
| 88 | Avra Oil Company | 18 | 18 | 0 | 22 | Jun 19, 1989 | Oct 24, 2014 |
| 89 | Mewbourne Oil Company | 18 | 18 | 18 | 6 | Feb 27, 2023 | Nov 2, 2026 |
| 90 | Getty Oil Co. | 18 | 18 | 0 | 3 | Sep 1, 1977 | Aug 22, 1984 |
| 91 | Union Texas Petroleum Corp. | 18 | 18 | 0 | 3 | Oct 13, 1977 | Dec 21, 1989 |
| 92 | Monsanto Company | 18 | 18 | 0 | 1 | Oct 20, 1977 | Sep 30, 1982 |
| 93 | Mobil Oil Corporation | 17 | 17 | 0 | 7 | Sep 23, 1977 | Dec 17, 1979 |
| 94 | Altura Energy Ltd. | 17 | 17 | 0 | 0 | Aug 25, 1997 | Feb 22, 2000 |
| 95 | Felix Water, LLC | 17 | 17 | 0 | 0 | Jun 21, 2017 | Nov 27, 2018 |
| 96 | Pdeh LLC | 16 | 16 | 15 | 34 | Nov 10, 2017 | Sep 8, 2025 |
| 97 | Bass Enterprises Production Co. | 16 | 16 | 0 | 1 | Jan 3, 1980 | Nov 15, 2002 |
| 98 | Double Eagle Operating, LLC | 16 | 16 | 0 | 0 | Nov 1, 2010 | Dec 6, 2012 |
| 99 | Eland Energy, Inc. | 16 | 16 | 1 | 0 | Apr 5, 2013 | Sep 6, 2019 |
| 100 | Hunt, D. H. | 16 | 16 | 0 | 0 | Jan 19, 1978 | Feb 20, 1986 |
| 101 | BTA Oil Producers, LLC | 15 | 15 | 12 | 26 | May 21, 2010 | Aug 30, 2023 |
| 102 | EOG Resources, Inc. | 15 | 15 | 10 | 11 | Oct 22, 1997 | Nov 9, 2021 |
| 103 | E.G.L. Resources, Inc. | 15 | 15 | 1 | 6 | Oct 30, 2003 | Jul 13, 2011 |
| 104 | Olsen Energy Inc. | 15 | 15 | 0 | 2 | Jul 8, 1981 | Mar 5, 2004 |
| 105 | Fortson Oil Company | 15 | 15 | 8 | 0 | Dec 9, 1997 | Oct 16, 2008 |
| 106 | Endeavor Energy Resources L.P. | 14 | 14 | 6 | 39 | Dec 27, 2001 | Oct 2, 2015 |
| 107 | Amtex Energy, Inc. | 14 | 14 | 6 | 10 | Jan 2, 1996 | Jun 21, 2022 |
| 108 | CBP Operating LLC | 14 | 14 | 0 | 0 | Jun 13, 2018 | Jun 25, 2019 |
| 109 | Blair, Jack N. | 13 | 13 | 0 | 0 | Sep 26, 1984 | Mar 20, 1986 |
| 110 | Coastal Oil & Gas Corporation | 13 | 13 | 0 | 0 | Feb 15, 1983 | Apr 9, 1996 |
| 111 | Mid-America Petroleum, Inc. | 13 | 13 | 0 | 0 | Feb 17, 1984 | Nov 8, 1984 |
| 112 | Platinum Exploration Inc. | 12 | 12 | 1 | 3 | Mar 20, 1998 | Feb 12, 2002 |
| 113 | Kaiser-Francis Oil Company | 12 | 12 | 0 | 2 | Feb 7, 1996 | Oct 16, 2012 |
| 114 | Great Western Drilling Company | 12 | 12 | 0 | 0 | Nov 22, 1996 | Apr 6, 2004 |
| 115 | Kennedy & Chaney | 12 | 12 | 0 | 0 | Mar 21, 1980 | Jul 13, 1984 |
| 116 | M. M. Oil Company | 12 | 12 | 0 | 0 | Feb 28, 1978 | Apr 19, 1982 |
| 117 | Waterbridge Texas Operating LLC | 11 | 11 | 0 | 21 | Jan 28, 2019 | Oct 7, 2024 |
| 118 | Pilot Water Gath Delaware LLC | 11 | 11 | 0 | 13 | Oct 22, 2024 | Jan 30, 2026 |
| 119 | Graham, Bill J. | 11 | 11 | 0 | 10 | Nov 28, 1977 | Jun 7, 1983 |
| 120 | Hissom Drilling Co. | 11 | 11 | 0 | 4 | Mar 26, 1979 | Jun 24, 1985 |
| 121 | Tenneco Oil Co. | 11 | 11 | 0 | 4 | Sep 21, 1979 | Nov 16, 1988 |
| 122 | Crescent Energy Operating, LLC | 10 | 10 | 10 | 722 | Dec 11, 2024 | Sep 2, 2026 |
| 123 | Bentley, T. S. | 10 | 10 | 0 | 1 | May 3, 1982 | Nov 13, 1989 |
| 124 | MGF Oil Corporation | 10 | 10 | 0 | 1 | Jul 26, 1979 | Dec 16, 1988 |
| 125 | Pecos Operators, Inc. | 10 | 10 | 0 | 1 | Oct 7, 1980 | Aug 3, 1984 |
| 126 | SMC Oil & Gas, Inc. | 10 | 10 | 0 | 1 | Dec 22, 2006 | Feb 12, 2008 |
| 127 | Abraxas Production Corporation | 10 | 10 | 0 | 0 | Oct 20, 1994 | Dec 13, 1995 |
| 128 | Advance Energy Partners, LLC | 10 | 10 | 10 | 0 | Sep 12, 2018 | Nov 29, 2021 |
| 129 | Goodnight Midstream Permian, LLC | 9 | 9 | 0 | 10 | Mar 6, 2018 | Jul 23, 2026 |
| 130 | Forest Oil Corporation | 9 | 9 | 0 | 2 | Sep 9, 1980 | Jun 18, 2008 |
| 131 | Arco Permian | 9 | 9 | 3 | 0 | Oct 14, 1994 | Jan 5, 2001 |
| 132 | Armadillo Oil Company | 9 | 9 | 0 | 0 | Nov 24, 1982 | Jun 21, 1985 |
| 133 | Tap Rock Operating, LLC | 8 | 8 | 8 | 8 | Feb 5, 2025 | Feb 6, 2025 |
| 134 | Ice Brothers, Inc. | 8 | 8 | 0 | 6 | Sep 12, 1986 | Oct 11, 2011 |
| 135 | Page, Paul | 8 | 8 | 0 | 3 | Jun 25, 1979 | Jan 30, 1981 |
| 136 | Henderson & Erickson | 8 | 8 | 0 | 2 | Aug 18, 1980 | Sep 21, 1984 |
| 137 | Murphree Production | 8 | 8 | 0 | 2 | Oct 5, 1984 | Sep 8, 1987 |
| 138 | Texaco Producing Inc. | 8 | 8 | 0 | 1 | Sep 16, 1985 | Mar 7, 1990 |
| 139 | American Quasar Petroleum Co. | 8 | 8 | 0 | 0 | Jun 6, 1977 | Aug 27, 1981 |
| 140 | Bush Exploration Company | 8 | 8 | 0 | 0 | Sep 10, 1982 | Aug 14, 1984 |
| 141 | Gifford, Mitchell & Wisenbaker | 8 | 8 | 0 | 0 | May 8, 1978 | Mar 27, 1980 |
| 142 | Graham, Bill J. Oil & Gas | 8 | 8 | 0 | 0 | Mar 8, 1985 | Dec 30, 1986 |
| 143 | Sundown Energy, Inc. | 8 | 8 | 0 | 0 | Dec 29, 2000 | Jan 11, 2005 |
| 144 | Young, Marshall R., Oil Company | 8 | 8 | 0 | 0 | Mar 27, 1981 | Aug 27, 1981 |
| 145 | U.S. Energy Development Corp | 7 | 7 | 7 | 30 | Dec 31, 2018 | Feb 3, 2022 |
| 146 | HI-PO, Inc. | 7 | 7 | 0 | 6 | May 5, 1981 | Jul 14, 1981 |
| 147 | Enserch Exploration, Inc | 7 | 7 | 0 | 2 | Jun 20, 1977 | Sep 13, 1984 |
| 148 | Continental Oil Company | 7 | 7 | 0 | 1 | Dec 1, 1977 | Oct 19, 1978 |
| 149 | Alps Oil Company | 7 | 7 | 0 | 0 | Oct 4, 1983 | Nov 14, 1985 |
| 150 | Arco Oil & Gas Co. | 7 | 7 | 0 | 0 | Dec 7, 1981 | Nov 13, 1985 |
| 151 | Atapco | 7 | 7 | 0 | 0 | Feb 2, 1979 | May 13, 1981 |
| 152 | Boyd, Foy Management Corp. | 7 | 7 | 0 | 0 | Jun 29, 1979 | Jun 17, 1982 |
| 153 | Crossing Rocks Energy, LLC | 7 | 7 | 0 | 0 | Apr 25, 2016 | Feb 28, 2017 |
| 154 | Elevation Resources LLC | 7 | 7 | 6 | 0 | Feb 19, 2014 | Jan 14, 2015 |
| 155 | Graham, Bill J. Estate | 7 | 7 | 0 | 0 | Sep 6, 1983 | Dec 31, 1984 |
| 156 | Henry Resources LLC | 7 | 7 | 0 | 0 | Aug 24, 2012 | Mar 22, 2013 |
| 157 | Hppc, Inc. | 7 | 7 | 0 | 0 | May 2, 2013 | Mar 6, 2020 |
| 158 | Martin - B.G. | 7 | 7 | 0 | 0 | Mar 6, 1987 | Dec 15, 1988 |
| 159 | Pure Resources, L.P. | 7 | 7 | 1 | 0 | Jan 5, 2001 | Jul 14, 2004 |
| 160 | Roca Resource Company, Inc. | 7 | 7 | 0 | 0 | Mar 25, 1999 | Feb 21, 2002 |
| 161 | Texas American Oil Corp. | 7 | 7 | 0 | 0 | Jul 20, 1977 | Oct 12, 1982 |
| 162 | Petro-Hunt Permian, LLC | 6 | 6 | 6 | 35 | Jul 31, 2024 | Jul 21, 2026 |
| 163 | MCM Operating, LLC | 6 | 6 | 6 | 30 | Aug 14, 2026 | Aug 21, 2026 |
| 164 | Matador Production Company | 6 | 6 | 6 | 15 | Jan 17, 2025 | Jan 17, 2025 |
| 165 | Wagner Oil Company | 6 | 6 | 0 | 8 | Jun 1, 2004 | Nov 19, 2024 |
| 166 | Haylan Oil Company | 6 | 6 | 0 | 1 | Nov 13, 1992 | Nov 11, 1993 |
| 167 | Monsanto Oil Company | 6 | 6 | 0 | 1 | Aug 10, 1982 | Nov 4, 1983 |
| 168 | Carrizo (Permian) LLC | 6 | 6 | 6 | 0 | Jun 5, 2017 | Nov 8, 2018 |
| 169 | Pogo Producing Co. | 6 | 6 | 2 | 0 | Jun 28, 2000 | Jun 27, 2001 |
| 170 | Taurus Exploration U.S.A., Inc. | 6 | 6 | 0 | 0 | Jun 10, 1998 | Aug 4, 1998 |
| 171 | McGee Drilling Corporation | 5 | 5 | 0 | 10 | Aug 19, 2003 | Sep 19, 2006 |
| 172 | Success Oil Company, Inc. | 5 | 5 | 0 | 4 | Sep 26, 2002 | Aug 29, 2017 |
| 173 | BC Operating, Inc. | 5 | 5 | 0 | 2 | Nov 5, 1993 | Aug 16, 2011 |
| 174 | Kimsey, Roy E., Jr. | 5 | 5 | 0 | 2 | Jul 5, 1977 | May 2, 1986 |
| 175 | Petroleum Corporation of Texas | 5 | 5 | 0 | 2 | Mar 11, 1980 | Jul 30, 1981 |
| 176 | Samson Lone Star LP | 5 | 5 | 0 | 2 | Oct 13, 1999 | Dec 27, 2002 |
| 177 | BHP Petroleum (Americas) Inc. | 5 | 5 | 0 | 1 | May 14, 1987 | Jul 16, 1991 |
| 178 | Williams, Clayton Energy, Inc. | 5 | 5 | 2 | 1 | Aug 24, 2001 | Jul 17, 2013 |
| 179 | Admiral Permian Operating LLC | 5 | 5 | 5 | 0 | Jun 24, 2026 | Jun 24, 2026 |
| 180 | Aminoil Inc. | 5 | 5 | 0 | 0 | Jan 31, 1984 | Nov 13, 1984 |
| 181 | Atlantic Operating, Inc. | 5 | 5 | 1 | 0 | Mar 9, 2009 | Sep 28, 2012 |
| 182 | Breck Operating Corp. | 5 | 5 | 0 | 0 | Apr 18, 1990 | Jan 12, 2010 |
| 183 | EP Operating Company | 5 | 5 | 0 | 0 | Sep 20, 1985 | Feb 18, 1988 |
| 184 | Merit Energy Company | 5 | 5 | 0 | 0 | Feb 20, 1992 | Jan 28, 2011 |
| 185 | Siana Oil & Gas | 5 | 5 | 0 | 0 | Nov 15, 1994 | Aug 11, 2005 |
| 186 | Sun Expl. & Prod. Co.-Midland | 5 | 5 | 0 | 0 | Apr 20, 1979 | Feb 2, 1988 |
| 187 | Titan Resources I, Inc. | 5 | 5 | 0 | 0 | Sep 6, 1995 | Mar 24, 2000 |
| 188 | Millwee Oil, Inc. | 4 | 4 | 0 | 30 | Apr 4, 1984 | Apr 29, 1996 |
| 189 | Greenlake Energy Operating, LLC | 4 | 4 | 4 | 4 | Jan 16, 2024 | Jan 29, 2024 |
| 190 | Browning Oil Company, Inc. | 4 | 4 | 2 | 2 | Sep 19, 2005 | Aug 24, 2006 |
| 191 | Kern Co. | 4 | 4 | 0 | 2 | Jun 18, 1979 | Jun 30, 1981 |
| 192 | Moseley, J. T. | 4 | 4 | 0 | 2 | May 8, 1979 | Sep 9, 1982 |
| 193 | Conoco Inc. | 4 | 4 | 0 | 1 | Feb 7, 1980 | Mar 8, 1985 |
| 194 | Crystal River Oil & Gas LLC | 4 | 4 | 0 | 1 | Dec 11, 2003 | Apr 27, 2007 |
| 195 | Pittencrieff America, Inc. | 4 | 4 | 0 | 1 | Apr 7, 1993 | Feb 26, 1997 |
| 196 | 323 Exploration, LLC | 4 | 4 | 4 | 0 | May 11, 2018 | Dec 31, 2018 |
| 197 | B&F Company | 4 | 4 | 0 | 0 | Apr 6, 1983 | Jul 27, 1984 |
| 198 | Chama Petroleum Company | 4 | 4 | 0 | 0 | Apr 26, 1979 | Nov 12, 1981 |
| 199 | Eagle Oil & Gas Co. | 4 | 4 | 4 | 0 | Mar 24, 2008 | Dec 30, 2009 |
| 200 | Forge Energy, LLC | 4 | 4 | 4 | 0 | Aug 10, 2016 | Apr 3, 2017 |
| 201 | Henderson & Erickson, Inc. | 4 | 4 | 0 | 0 | Jun 27, 1990 | Oct 23, 2012 |
| 202 | Luse & Ice | 4 | 4 | 0 | 0 | Sep 30, 1980 | Jun 16, 1981 |
| 203 | Meridian Oil Inc. | 4 | 4 | 0 | 0 | Mar 30, 1994 | Nov 9, 1995 |
| 204 | Mesquite SWD Inc | 4 | 4 | 0 | 0 | Dec 21, 2011 | Oct 11, 2012 |
| 205 | M-T Petroleum, Inc. | 4 | 4 | 0 | 0 | Jan 21, 1981 | Apr 20, 1984 |
| 206 | Olifant Energy LLC | 4 | 4 | 4 | 0 | Oct 30, 2017 | Oct 16, 2018 |
| 207 | Pbex-MCM Operating, LLC | 4 | 4 | 4 | 0 | Jun 30, 2025 | Jun 30, 2025 |
| 208 | Pip Petroleum Corp. | 4 | 4 | 0 | 0 | Jun 13, 1978 | Dec 30, 1980 |
| 209 | Spectrum 7 Exploration Company | 4 | 4 | 0 | 0 | Nov 20, 1984 | Oct 22, 1985 |
| 210 | United Oil & Minerals, Inc. | 4 | 4 | 0 | 0 | Oct 11, 1996 | Mar 20, 1998 |
| 211 | Vanguard Permian, LLC | 4 | 4 | 3 | 0 | Oct 30, 2008 | Jul 23, 2012 |
| 212 | Vista Resources, Inc. (A) | 4 | 4 | 0 | 0 | Oct 13, 1998 | Sep 13, 1999 |
| 213 | Six-S Properties, Inc. | 3 | 3 | 0 | 15 | Dec 16, 1980 | Feb 3, 1983 |
| 214 | Simon, W. D. Oil Co. | 3 | 3 | 0 | 8 | Jan 31, 1991 | Apr 5, 1995 |
| 215 | Chaparral Energy, L.L.C. | 3 | 3 | 0 | 7 | Aug 19, 2008 | Sep 30, 2010 |
| 216 | Felmont Oil Corp. | 3 | 3 | 0 | 6 | Mar 16, 1981 | Feb 21, 1986 |
| 217 | X-L Energy Company | 3 | 3 | 0 | 3 | Jul 14, 1982 | Feb 27, 1984 |
| 218 | Florida Exploration Co. | 3 | 3 | 0 | 2 | Oct 2, 1980 | Jun 15, 1981 |
| 219 | Gruy Petroleum Management Co. | 3 | 3 | 1 | 2 | Oct 4, 2005 | Nov 22, 2005 |
| 220 | Leede Oil & Gas Inc. | 3 | 3 | 0 | 2 | Jun 23, 1980 | Jan 11, 1982 |
| 221 | Oge Drilling, Inc. | 3 | 3 | 0 | 2 | Feb 25, 1982 | Sep 23, 1982 |
| 222 | OXY USA WTP LP | 3 | 3 | 1 | 2 | Aug 14, 2002 | Jan 19, 2007 |
| 223 | Pablo Energy, Inc. | 3 | 3 | 0 | 2 | Oct 28, 1997 | May 15, 1998 |
| 224 | Davis Oil Company | 3 | 3 | 0 | 1 | Apr 13, 1981 | Jun 29, 1981 |
| 225 | EP Operating Limited Partnership | 3 | 3 | 0 | 1 | Dec 9, 1993 | Oct 4, 1994 |
| 226 | Omar Operating Company | 3 | 3 | 0 | 1 | Dec 12, 1983 | Jan 15, 1993 |
| 227 | Parsley Energy Operations, LLC | 3 | 3 | 3 | 1 | May 17, 2019 | May 17, 2019 |
| 228 | Stout Energy Inc. | 3 | 3 | 0 | 1 | Sep 20, 2006 | Apr 18, 2008 |
| 229 | Umc Petroleum Corporation | 3 | 3 | 0 | 1 | May 17, 1991 | Jun 7, 1996 |
| 230 | APC Water Holdings 1, LLC | 3 | 3 | 0 | 0 | May 18, 2017 | Apr 23, 2018 |
| 231 | Burrell & Ice | 3 | 3 | 0 | 0 | Aug 7, 1978 | Feb 10, 1986 |
| 232 | Centrum Oil, Inc. | 3 | 3 | 0 | 0 | Nov 3, 1988 | Nov 3, 1988 |
| 233 | Cities Service Company | 3 | 3 | 0 | 0 | Jul 7, 1978 | Mar 4, 1982 |
| 234 | Coquina Oil Corporation | 3 | 3 | 0 | 0 | Mar 2, 1979 | Apr 24, 1980 |
| 235 | Cox, Edwin L. | 3 | 3 | 0 | 0 | Mar 13, 1979 | Oct 16, 1980 |
| 236 | Dimock, Joe | 3 | 3 | 0 | 0 | Jul 13, 1981 | Aug 24, 1981 |
| 237 | Dow Chemical Co., The | 3 | 3 | 0 | 0 | Mar 2, 1979 | May 20, 1980 |
| 238 | Encore Operating, L.P. | 3 | 3 | 3 | 0 | Sep 6, 2007 | Nov 14, 2008 |
| 239 | Energy Reserves Group, Inc. | 3 | 3 | 0 | 0 | Jul 9, 1980 | Aug 15, 1984 |
| 240 | Exxon Mobil Corporation | 3 | 3 | 1 | 0 | Jul 23, 2001 | Mar 18, 2002 |
| 241 | HMH Operators | 3 | 3 | 0 | 0 | Feb 17, 1982 | Apr 22, 1982 |
| 242 | Hombre Oil and Gas Company | 3 | 3 | 0 | 0 | May 16, 1989 | Oct 18, 1989 |
| 243 | Lincoln Rock Corp. | 3 | 3 | 0 | 0 | Jun 7, 1979 | Jun 7, 1979 |
| 244 | McCabe Energy, Inc. | 3 | 3 | 0 | 0 | Aug 4, 2004 | Nov 15, 2007 |
| 245 | McDonnold Operating, Inc. | 3 | 3 | 0 | 0 | Apr 26, 1995 | May 5, 2014 |
| 246 | Midland Res. Oper. Co., Inc. | 3 | 3 | 0 | 0 | Jun 26, 1995 | Nov 14, 1995 |
| 247 | Nearburg Producing Company | 3 | 3 | 0 | 0 | Dec 20, 1989 | Aug 15, 2005 |
| 248 | Olsen, Homer Jr. | 3 | 3 | 0 | 0 | Aug 8, 1977 | Oct 27, 1978 |
| 249 | Permian Resources, Inc. | 3 | 3 | 0 | 0 | Nov 12, 1982 | Jan 6, 1986 |
| 250 | Sundown Permian LP | 3 | 3 | 2 | 0 | Jan 3, 2017 | Feb 3, 2017 |
| 251 | Sun Exploration & Production Co. | 3 | 3 | 0 | 0 | Mar 27, 1978 | Aug 12, 1986 |
| 252 | S & W Enterprises, Inc. | 3 | 3 | 0 | 0 | Jun 12, 1979 | Jul 20, 1981 |
| 253 | Texland-Rector & Schumacher | 3 | 3 | 0 | 0 | Aug 11, 1999 | Aug 2, 2000 |
| 254 | White, Cecil | 3 | 3 | 0 | 0 | Apr 6, 1998 | Sep 9, 2010 |
| 255 | Saber Oil & Gas Ventures, LLC | 2 | 2 | 0 | 13 | Oct 8, 2010 | Jul 28, 2011 |
| 256 | Chevron Midcontinent, L.P. | 2 | 2 | 0 | 6 | Mar 21, 2013 | Mar 21, 2013 |
| 257 | Rayden | 2 | 2 | 0 | 5 | Apr 25, 2005 | Mar 31, 2006 |
| 258 | Explo Oil, Inc. | 2 | 2 | 0 | 4 | May 11, 1989 | Feb 2, 1990 |
| 259 | Union Oil Company of California | 2 | 2 | 0 | 4 | Feb 21, 1980 | Jul 8, 1980 |
| 260 | Texas Oil & Gas Corp. | 2 | 2 | 0 | 3 | Jan 31, 1978 | May 22, 1979 |
| 261 | Prize Operating Company | 2 | 2 | 0 | 2 | Feb 23, 2001 | Nov 1, 2001 |
| 262 | Tall City Brine LLC | 2 | 2 | 0 | 2 | Mar 19, 2019 | Oct 26, 2021 |
| 263 | Chi Energy, Inc. | 2 | 2 | 0 | 1 | Aug 24, 1983 | Aug 24, 1983 |
| 264 | Cities Service Oil & Gas Corp. | 2 | 2 | 0 | 1 | Apr 4, 1984 | Mar 4, 1987 |
| 265 | Dinero Operating Company | 2 | 2 | 0 | 1 | Apr 15, 1982 | Nov 22, 1983 |
| 266 | Four Boy Oil Co. | 2 | 2 | 0 | 1 | Nov 13, 1985 | May 19, 1987 |
| 267 | GWR Operating Co. | 2 | 2 | 0 | 1 | Jun 5, 1987 | Nov 3, 1987 |
| 268 | Hendrix, John H. Corp. | 2 | 2 | 0 | 1 | Aug 12, 1977 | Sep 25, 1978 |
| 269 | Hillin Prod. Co. | 2 | 2 | 0 | 1 | Oct 31, 1986 | Dec 12, 1986 |
| 270 | Kennedy & Hamm | 2 | 2 | 0 | 1 | Jul 8, 1977 | Jul 8, 1977 |
| 271 | Mexco Energy Corporation | 2 | 2 | 0 | 1 | Sep 3, 2008 | Jan 19, 2010 |
| 272 | MTN Energy Inc | 2 | 2 | 0 | 1 | Aug 5, 2011 | Nov 3, 2014 |
| 273 | Ocean Energy, Inc. | 2 | 2 | 2 | 1 | Dec 27, 2001 | Jul 3, 2002 |
| 274 | Post Petroleum Company, Inc | 2 | 2 | 0 | 1 | Dec 31, 1980 | Apr 15, 1982 |
| 275 | Taylor, Ben J. Inc. | 2 | 2 | 0 | 1 | Aug 4, 2000 | Apr 11, 2001 |
| 276 | Texas West Oil & Gas Corp. | 2 | 2 | 0 | 1 | Dec 31, 1980 | Dec 31, 1980 |
| 277 | Western Reserves Oil Company Inc | 2 | 2 | 0 | 1 | Nov 18, 1987 | Jun 29, 1989 |
| 278 | Amber Energy, Inc. | 2 | 2 | 0 | 0 | Nov 6, 1991 | Nov 6, 1991 |
| 279 | Amtex Energy | 2 | 2 | 0 | 0 | Aug 16, 1988 | Oct 24, 1991 |
| 280 | Arrington,david H. Oil & Gas,inc | 2 | 2 | 2 | 0 | Feb 3, 2010 | Feb 26, 2010 |
| 281 | Border Exploration Co. | 2 | 2 | 0 | 0 | Jun 9, 1981 | Dec 2, 1982 |
| 282 | Brazeal, James L. | 2 | 2 | 0 | 0 | Feb 24, 1984 | Feb 24, 1984 |
| 283 | Bright & Co. | 2 | 2 | 0 | 0 | Nov 25, 1997 | Dec 19, 1997 |
| 284 | Centennial Resource Prod, LLC | 2 | 2 | 2 | 0 | Jul 11, 2014 | Jul 19, 2016 |
| 285 | Challenger Minerals Inc. | 2 | 2 | 0 | 0 | Jun 9, 1981 | Dec 28, 1982 |
| 286 | Chesco Petroleum | 2 | 2 | 0 | 0 | Nov 10, 1983 | Nov 10, 1983 |
| 287 | Cotton Petroleum Corp. | 2 | 2 | 0 | 0 | Aug 9, 1979 | Jun 29, 1981 |
| 288 | Cox, Edwin L. & Cox, Berry R. | 2 | 2 | 0 | 0 | Jul 1, 1982 | Sep 14, 1982 |
| 289 | Cox, John L. | 2 | 2 | 0 | 0 | Oct 1, 1979 | Nov 30, 1983 |
| 290 | Damson Oil Corp. | 2 | 2 | 0 | 0 | Apr 2, 1985 | May 16, 1985 |
| 291 | Desert States Energy, Inc. | 2 | 2 | 0 | 0 | Jul 24, 1990 | Sep 24, 1992 |
| 292 | District Disposal, L.L.C. | 2 | 2 | 0 | 0 | Sep 3, 2014 | Sep 8, 2014 |
| 293 | Dreyfus, Louis Natural Gas Corp | 2 | 2 | 0 | 0 | Jun 13, 1997 | Jul 10, 1997 |
| 294 | Enertex, Inc. | 2 | 2 | 0 | 0 | Jul 19, 1991 | Jun 28, 1993 |
| 295 | Fossil Petroleum LLC | 2 | 2 | 0 | 0 | Mar 17, 2022 | Jun 12, 2023 |
| 296 | Herd, Larry G. | 2 | 2 | 0 | 0 | Dec 2, 1977 | Jan 19, 1978 |
| 297 | Highland Production Company | 2 | 2 | 0 | 0 | Nov 7, 1984 | Apr 10, 1985 |
| 298 | Lexco Operating Company | 2 | 2 | 0 | 0 | Apr 4, 1990 | Apr 25, 1990 |
| 299 | Manning, Jack | 2 | 2 | 0 | 0 | Oct 31, 1983 | Apr 11, 1984 |
| 300 | Maralo, Inc. | 2 | 2 | 0 | 0 | Jun 14, 1988 | Aug 25, 1988 |
711 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE