Walker 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 | EOG Resources, Inc. | 35 | 35 | 19 | 21 | Jan 28, 2013 | Dec 4, 2025 |
| 2 | Small, R.P. Corp. | 23 | 23 | 0 | 16 | Feb 18, 2003 | Dec 21, 2018 |
| 3 | Moran Corporation, The | 23 | 23 | 0 | 13 | Jun 10, 1977 | Aug 17, 1987 |
| 4 | Santa Rosa Operating, LLC | 17 | 17 | 0 | 1 | Apr 24, 2014 | Dec 21, 2018 |
| 5 | Shield Resources, Inc. | 13 | 13 | 0 | 3 | Dec 16, 1980 | Nov 4, 1985 |
| 6 | Prime Operating Company | 10 | 10 | 0 | 5 | Jul 6, 2004 | Dec 4, 2006 |
| 7 | SM Energy Company | 10 | 10 | 8 | 0 | Apr 4, 2012 | Oct 13, 2016 |
| 8 | Wheeler Operating Corporation | 9 | 9 | 0 | 7 | Jan 13, 2005 | Feb 13, 2012 |
| 9 | Zaza Energy, LLC | 9 | 9 | 3 | 5 | Jul 23, 2012 | Apr 17, 2015 |
| 10 | Cobra Oil & Gas Corporation | 9 | 9 | 0 | 3 | Sep 9, 2005 | Oct 7, 2008 |
| 11 | Transtexas Gas Corporation | 9 | 9 | 9 | 0 | Jul 29, 1996 | Aug 5, 1998 |
| 12 | Exxon Corp. | 8 | 8 | 0 | 0 | May 26, 1978 | Jul 22, 1985 |
| 13 | Icarus Operating Corporation | 7 | 7 | 0 | 11 | Aug 18, 1997 | Mar 28, 2002 |
| 14 | Paleo Oil Company LLC | 6 | 6 | 0 | 16 | Apr 12, 2021 | Jul 7, 2025 |
| 15 | Houston Petroleum Company | 6 | 6 | 0 | 1 | Dec 31, 1984 | May 18, 2007 |
| 16 | Anadarko E&P Company LP | 5 | 5 | 5 | 0 | May 16, 2002 | Dec 5, 2002 |
| 17 | Cxy Energy Inc. | 5 | 5 | 0 | 0 | May 10, 1989 | Sep 28, 1994 |
| 18 | Fortune Natural Resources Corp. | 5 | 5 | 0 | 0 | May 5, 2003 | Aug 14, 2003 |
| 19 | Rme Petroleum Company | 5 | 5 | 5 | 0 | Jan 29, 2001 | Aug 30, 2002 |
| 20 | Tenroc Corporation | 5 | 5 | 0 | 0 | Jan 4, 1980 | Dec 16, 1980 |
| 21 | Apollo Energy Operating Co, LP | 4 | 4 | 3 | 2 | Dec 13, 2011 | Mar 28, 2014 |
| 22 | Bluestone Natural Resources, LLC | 4 | 4 | 0 | 1 | Apr 28, 2010 | Nov 29, 2012 |
| 23 | Georgetown Gas Pipeline Company | 4 | 4 | 0 | 0 | Jul 9, 2002 | Sep 6, 2002 |
| 24 | New Gulf Resources, LLC | 4 | 4 | 0 | 0 | Oct 17, 2014 | May 12, 2015 |
| 25 | Tipco | 4 | 4 | 0 | 0 | Dec 22, 1977 | Feb 27, 1980 |
| 26 | Buffco Production Inc. | 3 | 3 | 0 | 3 | Jan 13, 2006 | Aug 15, 2006 |
| 27 | Sanhall Corporation | 3 | 3 | 0 | 2 | Jul 10, 1978 | Sep 21, 1981 |
| 28 | Texas Trinity Energy Company Inc | 3 | 3 | 0 | 2 | Feb 23, 1987 | Apr 10, 1987 |
| 29 | K & a, Inc. | 3 | 3 | 0 | 1 | Jun 24, 1977 | Apr 17, 1978 |
| 30 | Swift Energy Company | 3 | 3 | 3 | 1 | Apr 8, 1997 | Aug 27, 1997 |
| 31 | Elf Aquitaine, Inc. | 3 | 3 | 0 | 0 | Apr 30, 1981 | Jul 17, 1981 |
| 32 | Katana Energy, LLC | 3 | 3 | 3 | 0 | Aug 20, 2007 | May 6, 2008 |
| 33 | Longbranch Energy, LP | 3 | 3 | 0 | 0 | Oct 3, 2013 | Oct 3, 2013 |
| 34 | Rosewood Resources, Inc. | 3 | 3 | 3 | 0 | Jun 10, 1997 | Aug 6, 1998 |
| 35 | T-C Oil Company, LLC | 3 | 3 | 0 | 0 | May 7, 2019 | Apr 25, 2024 |
| 36 | Thornberry Oilfield Service, Inc | 3 | 3 | 0 | 0 | Feb 14, 1989 | Jan 16, 1992 |
| 37 | Via Oil Company | 3 | 3 | 2 | 0 | Jul 29, 1996 | May 16, 2000 |
| 38 | PD Operating Company | 2 | 2 | 0 | 3 | Jun 6, 2005 | Jul 6, 2005 |
| 39 | Birdwell, Baker | 2 | 2 | 0 | 2 | Mar 9, 1982 | Apr 19, 1983 |
| 40 | Russell, Otis | 2 | 2 | 0 | 1 | Aug 19, 1977 | Sep 15, 1977 |
| 41 | Strand Energy, L.C. | 2 | 2 | 0 | 1 | Dec 3, 2001 | May 8, 2002 |
| 42 | Amerada Hess Corporation | 2 | 2 | 0 | 0 | Aug 27, 1984 | Oct 18, 1984 |
| 43 | Candleridge Oil, Inc. | 2 | 2 | 0 | 0 | Apr 9, 2002 | Jun 7, 2002 |
| 44 | CH4 Energy II, LLC | 2 | 2 | 0 | 0 | Jan 28, 2013 | Feb 15, 2013 |
| 45 | Jet Oil Producers | 2 | 2 | 0 | 0 | Jul 18, 1979 | Nov 26, 1980 |
| 46 | Lavaca Canyon Petroleum LLC | 2 | 2 | 0 | 0 | Oct 6, 2021 | Mar 30, 2022 |
| 47 | Muskeg Petroleum Corporation | 2 | 2 | 0 | 0 | Dec 19, 1984 | Jul 19, 1985 |
| 48 | North Central Oil Corp. | 2 | 2 | 0 | 0 | Jun 14, 1990 | Mar 14, 1991 |
| 49 | Sonat Exploration Company -Tyler | 2 | 2 | 2 | 0 | May 13, 1997 | May 13, 1997 |
| 50 | Stream Energy, Inc. | 2 | 2 | 0 | 0 | Sep 8, 1988 | Sep 8, 1988 |
| 51 | Teague, J. U. | 2 | 2 | 0 | 0 | Oct 16, 1980 | Oct 30, 1980 |
| 52 | Williams, Clayton Energy, Inc. | 2 | 2 | 2 | 0 | Mar 12, 1998 | Aug 6, 1998 |
| 53 | Energy Reserves Group, Inc. | 1 | 1 | 0 | 1 | Jul 14, 1982 | Jul 14, 1982 |
| 54 | Etx Energy, LLC | 1 | 1 | 0 | 1 | Aug 22, 2016 | Aug 22, 2016 |
| 55 | Explo, Inc. | 1 | 1 | 0 | 1 | Mar 30, 1987 | Mar 30, 1987 |
| 56 | F.I.G. Energy, LLC | 1 | 1 | 0 | 1 | Jun 18, 1997 | Jun 18, 1997 |
| 57 | Parten Operating Inc. | 1 | 1 | 0 | 1 | Dec 1, 2003 | Dec 1, 2003 |
| 58 | 3PGM, Inc | 1 | 1 | 0 | 0 | May 15, 2001 | May 15, 2001 |
| 59 | Adobe Oil & Gas Corp. | 1 | 1 | 0 | 0 | Jul 19, 1978 | Jul 19, 1978 |
| 60 | Alon USA, LP | 1 | 1 | 0 | 0 | Aug 23, 2001 | Aug 23, 2001 |
| 61 | Basic Energy Services, L.P. | 1 | 1 | 0 | 0 | Mar 12, 2015 | Mar 12, 2015 |
| 62 | Belco Oil & Gas Corp. | 1 | 1 | 1 | 0 | Feb 28, 1996 | Feb 28, 1996 |
| 63 | Belco Operating Corp. | 1 | 1 | 1 | 0 | May 28, 1996 | May 28, 1996 |
| 64 | Black Pearl Exploration, L.L.C. | 1 | 1 | 0 | 0 | Jul 8, 2009 | Jul 8, 2009 |
| 65 | Cameron Exploration, Inc. | 1 | 1 | 1 | 0 | Nov 7, 2005 | Nov 7, 2005 |
| 66 | Cameron, Paul E., Jr., Inc. | 1 | 1 | 0 | 0 | Dec 18, 1981 | Dec 18, 1981 |
| 67 | Captain Energy, Inc. | 1 | 1 | 0 | 0 | Jan 12, 2001 | Jan 12, 2001 |
| 68 | Colorado School of Mines Res Ins | 1 | 1 | 0 | 0 | Jul 31, 1978 | Jul 31, 1978 |
| 69 | Cymraec Resources, Inc. | 1 | 1 | 0 | 0 | Jan 9, 2006 | Jan 9, 2006 |
| 70 | Elliott Oil & Gas Company | 1 | 1 | 0 | 0 | Aug 13, 2002 | Aug 13, 2002 |
| 71 | El Paso Production Oil & Gas Co. | 1 | 1 | 0 | 0 | May 24, 2002 | May 24, 2002 |
| 72 | Getty Oil Co. | 1 | 1 | 0 | 0 | Dec 22, 1980 | Dec 22, 1980 |
| 73 | Gruy Petroleum Management Co. | 1 | 1 | 1 | 0 | Aug 26, 1999 | Aug 26, 1999 |
| 74 | Home Petroleum Corporation | 1 | 1 | 0 | 0 | May 31, 1985 | May 31, 1985 |
| 75 | Hunt Oil Company | 1 | 1 | 0 | 0 | Jul 16, 1980 | Jul 16, 1980 |
| 76 | Infiniti Energy Oper Co, LLC | 1 | 1 | 0 | 0 | Apr 28, 2009 | Apr 28, 2009 |
| 77 | Jurassic Exploration, Inc. | 1 | 1 | 1 | 0 | Feb 9, 1999 | Feb 9, 1999 |
| 78 | Lockout Corporation | 1 | 1 | 0 | 0 | May 17, 2002 | May 17, 2002 |
| 79 | Luck Petroleum Corporation | 1 | 1 | 0 | 0 | Feb 4, 1986 | Feb 4, 1986 |
| 80 | McMoran Exploration Co. | 1 | 1 | 0 | 0 | Jun 10, 1983 | Jun 10, 1983 |
| 81 | McMoran-Transco Expl.co. | 1 | 1 | 0 | 0 | May 3, 1978 | May 3, 1978 |
| 82 | Northern Michigan Exp. Co. | 1 | 1 | 0 | 0 | Oct 15, 1981 | Oct 15, 1981 |
| 83 | Numar Oil and Gas Corporation | 1 | 1 | 0 | 0 | Nov 22, 2005 | Nov 22, 2005 |
| 84 | Parten Oil Co. | 1 | 1 | 0 | 0 | Jul 9, 1990 | Jul 9, 1990 |
| 85 | Range Production Company | 1 | 1 | 1 | 0 | Apr 21, 2011 | Apr 21, 2011 |
| 86 | Salt Grass Exploration Inc. | 1 | 1 | 0 | 0 | Aug 12, 1991 | Aug 12, 1991 |
| 87 | Spiller Operating Co., Inc. | 1 | 1 | 0 | 0 | Apr 19, 2010 | Apr 19, 2010 |
| 88 | Sundown Energy LP | 1 | 1 | 0 | 0 | Dec 7, 2005 | Dec 7, 2005 |
| 89 | Waller, Dan L. Resources, Inc. | 1 | 1 | 0 | 0 | Apr 7, 1993 | Apr 7, 1993 |
| 90 | Welex, a Halliburton Company | 1 | 1 | 0 | 0 | Nov 20, 1984 | Nov 20, 1984 |
| 91 | XTO Energy Inc. | 1 | 1 | 0 | 0 | Oct 3, 2018 | Oct 3, 2018 |
| 92 | Wheeler Operating Corporation | — | 0 | 0 | 34 | — | — |
| 93 | S and B Gauging Services LLC | — | 0 | 0 | 11 | — | — |
| 94 | Rusk Energy Operating LLC | — | 0 | 0 | 3 | — | — |
| 95 | Stacy A. D. Inc. | — | 0 | 0 | 3 | — | — |
| 96 | Blue Moon Operating Inc. | — | 0 | 0 | 2 | — | — |
| 97 | Guardian Operating LLC | — | 0 | 0 | 2 | — | — |
| 98 | Humble Oil & Refining Co. | — | 0 | 0 | 2 | — | — |
| 99 | McCormick-Rutherford | — | 0 | 0 | 2 | — | — |
| 100 | Antara Resources Inc. | — | 0 | 0 | 1 | — | — |
| 101 | Barco Oil & Gas Co. | — | 0 | 0 | 1 | — | — |
| 102 | Elliott Oil & Gas Operating Co. | — | 0 | 0 | 1 | — | — |
| 103 | Fortune Resources LLC | — | 0 | 0 | 1 | — | — |
| 104 | Galloway Energy Co. | — | 0 | 0 | 1 | — | — |
| 105 | Hall D. Corporation | — | 0 | 0 | 1 | — | — |
| 106 | Midway Oilfield Constructors Inc | — | 0 | 0 | 1 | — | — |
| 107 | NGL Watersolutions Eagleford LLC | — | 0 | 0 | 1 | — | — |
| 108 | Pace John W. - Moran Corp. | — | 0 | 0 | 1 | — | — |
| 109 | Proline Energy Resources Inc | — | 0 | 0 | 1 | — | — |
| 110 | Reed Exploration LLC | — | 0 | 0 | 1 | — | — |
| 111 | Sandel Operating Company | — | 0 | 0 | 1 | — | — |
111 OPERATORS · WINDOW ON THE RRC ISSUE DATE