COUNTIES · WILLACY · OPERATORS
Willacy 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 | Exxon Corp. | 249 | 249 | 0 | 43 | Jun 22, 1977 | Jun 8, 1999 |
| 2 | Amoco Production Company | 176 | 176 | 0 | 13 | Oct 20, 1977 | Apr 12, 1989 |
| 3 | Texaco Inc. | 84 | 84 | 0 | 13 | Jun 22, 1977 | Jan 15, 1991 |
| 4 | Citation Oil & Gas Corp. | 63 | 63 | 0 | 284 | Jan 25, 1984 | May 9, 2014 |
| 5 | Cody Energy LLC | 55 | 55 | 0 | 24 | May 5, 2000 | Sep 19, 2008 |
| 6 | Exxon Mobil Corporation | 49 | 49 | 0 | 15 | Jun 20, 2000 | Jan 23, 2012 |
| 7 | Blakenergy Operating, LLC | 45 | 45 | 0 | 3 | Mar 1, 2005 | Sep 21, 2016 |
| 8 | Fargo Trading Co., Inc. | 42 | 42 | 0 | 1 | Mar 23, 1982 | Dec 18, 1987 |
| 9 | Suemaur Expl. & Prod., LLC | 33 | 33 | 0 | 7 | Mar 15, 2001 | Nov 20, 2013 |
| 10 | Dewbre Petroleum Corporation | 20 | 20 | 0 | 24 | Nov 20, 2001 | Jul 14, 2021 |
| 11 | Wagner Oil Company | 19 | 19 | 0 | 21 | Aug 13, 2003 | Jun 3, 2011 |
| 12 | Petroleum Management, Inc. | 17 | 17 | 0 | 14 | Jul 28, 1977 | Feb 4, 1994 |
| 13 | Maynard Oil Co. | 15 | 15 | 0 | 8 | Feb 22, 1989 | Feb 19, 2002 |
| 14 | MW Petroleum Corporation | 15 | 15 | 0 | 0 | May 14, 1992 | Sep 4, 1998 |
| 15 | Mabee Petroleum Corp. | 14 | 14 | 0 | 13 | Mar 9, 1979 | Nov 28, 1988 |
| 16 | Dominion Expl. & Prod., Inc. | 14 | 14 | 0 | 0 | Jun 29, 2000 | Jun 8, 2007 |
| 17 | EOG Resources, Inc. | 13 | 13 | 0 | 26 | Mar 15, 2001 | Mar 18, 2014 |
| 18 | Parker & Parsley Development L.P | 13 | 13 | 0 | 8 | Sep 23, 1996 | Jun 13, 1997 |
| 19 | Pinnell, H. P. Trustee | 13 | 13 | 0 | 7 | May 18, 1978 | Dec 30, 1983 |
| 20 | La Sara Operating Company, LLC | 13 | 13 | 0 | 0 | Jan 14, 2010 | Nov 6, 2015 |
| 21 | Mueller Engineering Corp. | 10 | 10 | 0 | 7 | Jun 15, 1992 | Sep 15, 1997 |
| 22 | Mitchell Energy Corporation | 10 | 10 | 0 | 5 | Jun 13, 1977 | Jun 28, 1999 |
| 23 | Convest Energy Corporation | 10 | 10 | 0 | 4 | Jul 22, 1977 | Jul 6, 1984 |
| 24 | Flint Oak Energy, LLC | 10 | 10 | 0 | 1 | May 18, 2012 | Sep 18, 2013 |
| 25 | May Petroleum, Inc. | 10 | 10 | 0 | 0 | Jan 23, 1984 | Apr 3, 1987 |
| 26 | Risco la Sara Operations, LLC | 9 | 9 | 0 | 1 | Aug 2, 2011 | Nov 9, 2013 |
| 27 | Hughes, Dan A. Company | 8 | 8 | 0 | 0 | Jul 7, 1988 | Dec 29, 2005 |
| 28 | XTO Energy Inc. | 7 | 7 | 0 | 8 | Sep 26, 2007 | Nov 18, 2013 |
| 29 | Esenjay Exploration, Inc | 7 | 7 | 0 | 0 | Jul 2, 1998 | Jan 26, 2000 |
| 30 | Petrotex Management Co. | 7 | 7 | 0 | 0 | Feb 1, 1978 | Jun 25, 1982 |
| 31 | Texas Oil and Gas Operating, LLC | 6 | 6 | 0 | 61 | Jun 4, 2020 | Sep 11, 2025 |
| 32 | Anschutz Exploration Corporation | 6 | 6 | 0 | 0 | Jul 11, 1995 | Oct 24, 2002 |
| 33 | Franklin, J.W. Oil Operator | 6 | 6 | 0 | 0 | Apr 29, 1991 | Jan 25, 1993 |
| 34 | Sanchez Oil & Gas Corporation | 6 | 6 | 0 | 0 | Aug 1, 2007 | Dec 10, 2011 |
| 35 | MK Operating Company LLC | 5 | 5 | 0 | 1 | Feb 5, 2016 | Sep 19, 2016 |
| 36 | Alaniz, Ernest | 5 | 5 | 0 | 0 | May 30, 1979 | Jun 29, 1982 |
| 37 | Swift Energy Company | 5 | 5 | 0 | 0 | Dec 1, 2000 | Aug 18, 2005 |
| 38 | Apache Corporation | 4 | 4 | 0 | 6 | Jul 1, 1999 | Jul 31, 2006 |
| 39 | Modern Exploration, Inc. | 4 | 4 | 0 | 5 | Mar 14, 2000 | Mar 17, 2003 |
| 40 | Sue-Ann Operating, L.C. | 4 | 4 | 0 | 3 | Apr 25, 2006 | Mar 6, 2007 |
| 41 | Saga Petroleum Corp. | 4 | 4 | 0 | 1 | Sep 14, 1994 | Mar 20, 1995 |
| 42 | Flournoy Production Co. | 4 | 4 | 0 | 0 | Feb 7, 1980 | Jul 29, 1981 |
| 43 | Genesis Petroleum Corporation | 4 | 4 | 0 | 0 | Aug 8, 1980 | Mar 11, 1982 |
| 44 | Hanson Minerals Co. | 4 | 4 | 0 | 0 | Sep 18, 1990 | Dec 21, 1992 |
| 45 | Square Mile Energy, L.L.C. | 4 | 4 | 0 | 0 | May 11, 2007 | Dec 4, 2008 |
| 46 | Hada, J. L., Jr. | 3 | 3 | 0 | 2 | Dec 1, 1986 | Feb 18, 1988 |
| 47 | Anschutz Corporation, The | 3 | 3 | 0 | 1 | Dec 27, 1983 | Mar 18, 1985 |
| 48 | Brigham Oil & Gas, L.P. | 3 | 3 | 0 | 0 | Aug 12, 1999 | Apr 6, 2000 |
| 49 | El Paso Production Oil & Gas Co. | 3 | 3 | 0 | 0 | Nov 6, 2002 | Aug 6, 2003 |
| 50 | Fortune Operating Company | 3 | 3 | 0 | 0 | Jul 11, 2006 | Jul 11, 2006 |
| 51 | Integral Energy Corp. | 3 | 3 | 0 | 0 | Nov 2, 1977 | Jun 7, 1979 |
| 52 | Rincon Petroleum Corporation | 3 | 3 | 0 | 0 | Apr 7, 2004 | Oct 17, 2005 |
| 53 | Sanchez-O'Brien Oil & Gas Corp. | 3 | 3 | 0 | 0 | Mar 1, 1996 | Sep 15, 1997 |
| 54 | Texas, L. Petroleum, Inc. | 3 | 3 | 0 | 0 | Mar 28, 1984 | Sep 19, 1985 |
| 55 | Tucker Operating Co., Inc. | 3 | 3 | 0 | 0 | Feb 5, 2004 | Mar 14, 2005 |
| 56 | U.S. Enercorp, LLC | 3 | 3 | 0 | 0 | Feb 28, 2003 | Sep 12, 2003 |
| 57 | Yturria-Jones Oil Company | 3 | 3 | 0 | 0 | Dec 17, 1981 | Jun 29, 1983 |
| 58 | Superior Oil Company, The | 2 | 2 | 0 | 14 | Nov 3, 1977 | Nov 3, 1977 |
| 59 | Texaco E & P Inc. | 2 | 2 | 0 | 10 | May 28, 1991 | May 14, 1993 |
| 60 | U.S. Enercorp, Ltd. | 2 | 2 | 0 | 4 | Dec 16, 2004 | Dec 27, 2004 |
| 61 | Petro-Hunt Corporation | 2 | 2 | 0 | 3 | Jan 9, 1996 | Jun 24, 1996 |
| 62 | El Paso E & P Company, L. P. | 2 | 2 | 0 | 1 | Jul 19, 2006 | Aug 2, 2008 |
| 63 | Kaler Energy Corp | 2 | 2 | 0 | 1 | Jan 6, 2004 | Jan 27, 2005 |
| 64 | TXO Production Corp. | 2 | 2 | 0 | 1 | Sep 14, 1981 | Sep 9, 1982 |
| 65 | Whittington Operating Company | 2 | 2 | 0 | 1 | Jun 19, 1985 | Jul 27, 1989 |
| 66 | Cimarron Engineering Corp. | 2 | 2 | 0 | 0 | May 24, 2006 | Nov 7, 2007 |
| 67 | Corda Corporation | 2 | 2 | 0 | 0 | Apr 30, 1996 | Aug 12, 1996 |
| 68 | Enterprise Resources, Inc. | 2 | 2 | 0 | 0 | Feb 25, 1982 | Feb 26, 1982 |
| 69 | Goldking Prod. Co. | 2 | 2 | 0 | 0 | Jul 8, 1981 | Aug 7, 1981 |
| 70 | Hoskins, L. R. & Sons, Inc. | 2 | 2 | 0 | 0 | Feb 26, 1985 | Sep 17, 1985 |
| 71 | International Oil & Gas Corp. | 2 | 2 | 0 | 0 | Dec 7, 1983 | Jan 11, 1984 |
| 72 | Midcon Texas PL Operator, Inc. | 2 | 2 | 0 | 0 | Mar 29, 2000 | Mar 29, 2000 |
| 73 | Milo Petroleum Company | 2 | 2 | 0 | 0 | Jul 28, 1987 | Jan 28, 1992 |
| 74 | National Energy Group, Inc. | 2 | 2 | 0 | 0 | Dec 19, 1995 | May 24, 1996 |
| 75 | Reveille Resources | 2 | 2 | 0 | 0 | Jan 2, 2008 | Jul 18, 2008 |
| 76 | Rio-Tex, Inc. | 2 | 2 | 0 | 0 | May 20, 1992 | Jan 26, 1993 |
| 77 | Samson Lone Star LP | 2 | 2 | 0 | 0 | Oct 3, 2006 | Nov 22, 2006 |
| 78 | Tasca Exploration Company | 2 | 2 | 0 | 0 | Jul 13, 1987 | Aug 9, 1988 |
| 79 | Venex Corporation | 2 | 2 | 0 | 0 | Oct 28, 1994 | Oct 28, 1994 |
| 80 | Wagner, Duer & Co. | 2 | 2 | 0 | 0 | Nov 19, 1984 | Feb 21, 1985 |
| 81 | Yturria-Jones | 2 | 2 | 0 | 0 | Jan 9, 1981 | Jun 5, 1981 |
| 82 | Zinke & Trumbo, Inc. | 2 | 2 | 0 | 0 | Dec 4, 2002 | Feb 5, 2004 |
| 83 | API Operating Co. | 1 | 1 | 0 | 4 | Sep 30, 1991 | Sep 30, 1991 |
| 84 | Hughes, Dan A. Company, L.P. | 1 | 1 | 0 | 3 | May 30, 2007 | May 30, 2007 |
| 85 | Energy Sources, Inc. | 1 | 1 | 0 | 2 | Jun 26, 1980 | Jun 26, 1980 |
| 86 | Bettis, Boyle & Stovall | 1 | 1 | 0 | 1 | Mar 13, 1992 | Mar 13, 1992 |
| 87 | Centura Incorporated | 1 | 1 | 0 | 1 | Jul 25, 1979 | Jul 25, 1979 |
| 88 | Clay Energy | 1 | 1 | 0 | 1 | Oct 18, 1988 | Oct 18, 1988 |
| 89 | Corpus Christi Oil & Gas Co. | 1 | 1 | 0 | 1 | Jan 23, 1989 | Jan 23, 1989 |
| 90 | Crystal Oil Co.-Ley Petro. Corp. | 1 | 1 | 0 | 1 | Oct 10, 1979 | Oct 10, 1979 |
| 91 | Hawn Brothers | 1 | 1 | 0 | 1 | Jul 11, 1984 | Jul 11, 1984 |
| 92 | Lighthouse Operating, Inc. | 1 | 1 | 0 | 1 | Jan 10, 2011 | Jan 10, 2011 |
| 93 | Panther Bayou Energy, LLC | 1 | 1 | 0 | 1 | Sep 2, 2010 | Sep 2, 2010 |
| 94 | Pogo Producing Company LLC | 1 | 1 | 0 | 1 | Sep 5, 2007 | Sep 5, 2007 |
| 95 | Slimhole Engineering Co., Inc. | 1 | 1 | 0 | 1 | Dec 19, 1995 | Dec 19, 1995 |
| 96 | Abaco Operating, LLC | 1 | 1 | 0 | 0 | Sep 7, 2007 | Sep 7, 2007 |
| 97 | Acock Operating Limited | 1 | 1 | 0 | 0 | Aug 21, 2006 | Aug 21, 2006 |
| 98 | American Shoreline, Inc. | 1 | 1 | 0 | 0 | Mar 26, 1987 | Mar 26, 1987 |
| 99 | Anderman Operating Co. | 1 | 1 | 0 | 0 | Dec 4, 1979 | Dec 4, 1979 |
| 100 | Anderson,t.g. & Bowman,e.l. | 1 | 1 | 0 | 0 | Jun 21, 1979 | Jun 21, 1979 |
| 101 | Ayres, George C. | 1 | 1 | 0 | 0 | Nov 18, 1986 | Nov 18, 1986 |
| 102 | Bellows Operating Co., L. C. | 1 | 1 | 0 | 0 | Apr 6, 2012 | Apr 6, 2012 |
| 103 | B & M Operating Co., Inc. | 1 | 1 | 0 | 0 | Oct 12, 1982 | Oct 12, 1982 |
| 104 | Broken Hill Pty Hldgs (USA) Inc. | 1 | 1 | 0 | 0 | Apr 30, 1984 | Apr 30, 1984 |
| 105 | Carter, Kiel & R.B.O., Inc. | 1 | 1 | 0 | 0 | Aug 28, 1985 | Aug 28, 1985 |
| 106 | CNG Producing Company | 1 | 1 | 0 | 0 | Jan 21, 2000 | Jan 21, 2000 |
| 107 | D.G. Miller Oil & Gas, L.P. | 1 | 1 | 0 | 0 | May 6, 2005 | May 6, 2005 |
| 108 | Dorchester Exploration, Inc. | 1 | 1 | 0 | 0 | May 21, 1980 | May 21, 1980 |
| 109 | Duke Energy Field Services, LP | 1 | 1 | 0 | 0 | May 19, 2005 | May 19, 2005 |
| 110 | Energy Development Corp. | 1 | 1 | 0 | 0 | Apr 8, 1981 | Apr 8, 1981 |
| 111 | Esenjay Petroleum Corp. | 1 | 1 | 0 | 0 | Apr 20, 1998 | Apr 20, 1998 |
| 112 | Fossil Exploration, Inc. | 1 | 1 | 0 | 0 | May 20, 1991 | May 20, 1991 |
| 113 | Geo Exploration, Inc. | 1 | 1 | 0 | 0 | Feb 20, 1981 | Feb 20, 1981 |
| 114 | Griffin, S.M. Oil, Inc. | 1 | 1 | 0 | 0 | Jun 4, 1982 | Jun 4, 1982 |
| 115 | Gruy Petroleum Management Co. | 1 | 1 | 0 | 0 | Jun 14, 2004 | Jun 14, 2004 |
| 116 | Harkins & Company | 1 | 1 | 0 | 0 | Jan 13, 1984 | Jan 13, 1984 |
| 117 | Hunt Petroleum Corporation | 1 | 1 | 0 | 0 | Jan 21, 1997 | Jan 21, 1997 |
| 118 | King Operating Corporation | 1 | 1 | 0 | 0 | Jan 11, 2007 | Jan 11, 2007 |
| 119 | Lgdc Corporation | 1 | 1 | 0 | 0 | Apr 27, 2001 | Apr 27, 2001 |
| 120 | Madera, R. F. | 1 | 1 | 0 | 0 | Sep 21, 1977 | Sep 21, 1977 |
| 121 | McCormick Oil & Gas Corp. | 1 | 1 | 0 | 0 | Sep 26, 1979 | Sep 26, 1979 |
| 122 | Medallion Oil Co. | 1 | 1 | 0 | 0 | May 18, 1978 | May 18, 1978 |
| 123 | Mesquite Prod. & Explor., Inc. | 1 | 1 | 0 | 0 | Aug 31, 1981 | Aug 31, 1981 |
| 124 | Miramar Petroleum, Inc. | 1 | 1 | 0 | 0 | Aug 10, 2009 | Aug 10, 2009 |
| 125 | Mobil Producing TX. & N.M. Inc. | 1 | 1 | 0 | 0 | Jan 16, 1991 | Jan 16, 1991 |
| 126 | Neuhaus, V. F. Properties | 1 | 1 | 0 | 0 | Dec 14, 1988 | Dec 14, 1988 |
| 127 | Osborn Heirs Company | 1 | 1 | 0 | 0 | Oct 30, 1998 | Oct 30, 1998 |
| 128 | Paragon Resources, Inc. | 1 | 1 | 0 | 0 | Sep 5, 1980 | Sep 5, 1980 |
| 129 | Petromex Oil and Gas, LLC | 1 | 1 | 0 | 0 | Dec 21, 2016 | Dec 21, 2016 |
| 130 | Petro Tejas, Inc. | 1 | 1 | 0 | 0 | Apr 28, 1986 | Apr 28, 1986 |
| 131 | Pickens Company, Inc., The | 1 | 1 | 0 | 0 | Sep 10, 1981 | Sep 10, 1981 |
| 132 | Pioneer Natural Res. USA, Inc. | 1 | 1 | 0 | 0 | Jul 3, 1998 | Jul 3, 1998 |
| 133 | Poff, H. Bryan | 1 | 1 | 0 | 0 | Mar 1, 2004 | Mar 1, 2004 |
| 134 | Quintana Pet. Corp. | 1 | 1 | 0 | 0 | Aug 31, 1977 | Aug 31, 1977 |
| 135 | Rea Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Feb 6, 1986 | Feb 6, 1986 |
| 136 | Reef Exploration, Inc. (A-1) | 1 | 1 | 0 | 0 | Dec 2, 1991 | Dec 2, 1991 |
| 137 | Rimco Production Company, Inc. | 1 | 1 | 0 | 0 | Oct 13, 2003 | Oct 13, 2003 |
| 138 | Rose, James O. | 1 | 1 | 0 | 0 | Sep 22, 1983 | Sep 22, 1983 |
| 139 | Saga Pet. Ltd Liability Co of Co | 1 | 1 | 0 | 0 | Mar 27, 1996 | Mar 27, 1996 |
| 140 | Samedan Oil Corporation | 1 | 1 | 0 | 0 | May 25, 1978 | May 25, 1978 |
| 141 | Santos USA Corp. | 1 | 1 | 0 | 0 | May 9, 2005 | May 9, 2005 |
| 142 | Shell Western E&P Inc. | 1 | 1 | 0 | 0 | Aug 17, 1994 | Aug 17, 1994 |
| 143 | Speyrer Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Aug 30, 1988 | Aug 30, 1988 |
| 144 | Stringer Oil & Gas | 1 | 1 | 0 | 0 | Dec 31, 1982 | Dec 31, 1982 |
| 145 | Suemaur Exploration, Inc. | 1 | 1 | 0 | 0 | Mar 15, 1984 | Mar 15, 1984 |
| 146 | Sun Expl. & Prod. Co.-Corpus | 1 | 1 | 0 | 0 | Jan 4, 1985 | Jan 4, 1985 |
| 147 | Swift Energy Operating, LLC | 1 | 1 | 0 | 0 | Feb 25, 2005 | Feb 25, 2005 |
| 148 | Taubert & Steed | 1 | 1 | 0 | 0 | Jun 15, 1982 | Jun 15, 1982 |
| 149 | Templeton Energy, Inc | 1 | 1 | 0 | 0 | Oct 15, 1981 | Oct 15, 1981 |
| 150 | Texas Gas Exploration Corp. | 1 | 1 | 0 | 0 | May 5, 1980 | May 5, 1980 |
| 151 | Texas Ranger Oil Company, The | 1 | 1 | 0 | 0 | Dec 31, 1984 | Dec 31, 1984 |
| 152 | Thorp Petroleum Corporation | 1 | 1 | 0 | 0 | Aug 12, 2009 | Aug 12, 2009 |
| 153 | Timberwolf E&P LLC | 1 | 1 | 0 | 0 | Oct 20, 2015 | Oct 20, 2015 |
| 154 | Titan Vacuum Services, LLC | 1 | 1 | 0 | 0 | Dec 7, 2011 | Dec 7, 2011 |
| 155 | Trace Exploration, Inc. | 1 | 1 | 0 | 0 | Jul 5, 1984 | Jul 5, 1984 |
| 156 | Ultra Oil & Gas, Inc. | 1 | 1 | 0 | 0 | Apr 26, 1999 | Apr 26, 1999 |
| 157 | Weaver Oil & Gas Corp. | 1 | 1 | 0 | 0 | Aug 13, 1979 | Aug 13, 1979 |
| 158 | Venez Corp. | — | 0 | 0 | 107 | — | — |
| 159 | Chestnut Explor. and Prod. Inc. | — | 0 | 0 | 68 | — | — |
| 160 | Apollo Petro Fuels LLC | — | 0 | 0 | 24 | — | — |
| 161 | Shoco Production LLC | — | 0 | 0 | 22 | — | — |
| 162 | Pan American Petroleum Corp. | — | 0 | 0 | 11 | — | — |
| 163 | Proline Energy Resources Inc | — | 0 | 0 | 9 | — | — |
| 164 | Smith Production Inc. | — | 0 | 0 | 7 | — | — |
| 165 | Texas Oil & Gas Corp. | — | 0 | 0 | 6 | — | — |
| 166 | Gainco Inc. | — | 0 | 0 | 5 | — | — |
| 167 | Petrovybe Opco LLC | — | 0 | 0 | 5 | — | — |
| 168 | Bentsen-Whittington Oil Company | — | 0 | 0 | 4 | — | — |
| 169 | Birdwell W. Russell | — | 0 | 0 | 3 | — | — |
| 170 | Dallas Petroleum Group LLC | — | 0 | 0 | 3 | — | — |
| 171 | Hanson Production Company | — | 0 | 0 | 3 | — | — |
| 172 | Reserve Oil & Gas Company | — | 0 | 0 | 3 | — | — |
| 173 | Cal-Tex Exploratn & Prod Co LLC | — | 0 | 0 | 2 | — | — |
| 174 | Cimarron Engineering LLC | — | 0 | 0 | 2 | — | — |
| 175 | Durango Resources Corp. | — | 0 | 0 | 2 | — | — |
| 176 | EP Energy E&P Company L.P. | — | 0 | 0 | 2 | — | — |
| 177 | Frost C.M. P.M. & V.W. | — | 0 | 0 | 2 | — | — |
| 178 | Humble Oil & Refining Co. | — | 0 | 0 | 2 | — | — |
| 179 | McMoran Exploration Co. | — | 0 | 0 | 2 | — | — |
| 180 | OXY USA Inc. | — | 0 | 0 | 2 | — | — |
| 181 | Quinoco Petroleum Inc. | — | 0 | 0 | 2 | — | — |
| 182 | Republic Mineral Corporation | — | 0 | 0 | 2 | — | — |
| 183 | Safari Production Company Inc. | — | 0 | 0 | 2 | — | — |
| 184 | Bruington Operating L.L.C. | — | 0 | 0 | 1 | — | — |
| 185 | Carl Oil & Gas Co. | — | 0 | 0 | 1 | — | — |
| 186 | Cimarex Energy Co. of Colorado | — | 0 | 0 | 1 | — | — |
| 187 | Cox Edwin L. | — | 0 | 0 | 1 | — | — |
| 188 | Discovery Petroleum L.L.C. | — | 0 | 0 | 1 | — | — |
| 189 | Erin Oil Co. | — | 0 | 0 | 1 | — | — |
| 190 | Evco Incorporated | — | 0 | 0 | 1 | — | — |
| 191 | Expando Oil Company | — | 0 | 0 | 1 | — | — |
| 192 | Faulconer Vernon E. Inc. | — | 0 | 0 | 1 | — | — |
| 193 | Ffa Petroleum Services | — | 0 | 0 | 1 | — | — |
| 194 | Ffa Petroleum Services Inc. | — | 0 | 0 | 1 | — | — |
| 195 | Forest Oil Corporation | — | 0 | 0 | 1 | — | — |
| 196 | Hilcorp Energy Company | — | 0 | 0 | 1 | — | — |
| 197 | Janex Oil Co. Inc. | — | 0 | 0 | 1 | — | — |
| 198 | J. & M. Well Service Inc. | — | 0 | 0 | 1 | — | — |
| 199 | Kirkwood & Morgan Inc. | — | 0 | 0 | 1 | — | — |
| 200 | Mabee Royalties Inc. | — | 0 | 0 | 1 | — | — |
| 201 | Moore-McCormack Energy Inc. | — | 0 | 0 | 1 | — | — |
| 202 | Nadcf Recovery Group Inc. | — | 0 | 0 | 1 | — | — |
| 203 | Natural Gas Electronics Corp. | — | 0 | 0 | 1 | — | — |
| 204 | Occidental Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 205 | Phoenix Oil Field Equipment Co. | — | 0 | 0 | 1 | — | — |
| 206 | Robin Jack Co. | — | 0 | 0 | 1 | — | — |
| 207 | Shell Oil Company | — | 0 | 0 | 1 | — | — |
| 208 | Southwest Oil & Land Inc. | — | 0 | 0 | 1 | — | — |
| 209 | Trinity Environmental SWD L.L.C | — | 0 | 0 | 1 | — | — |
| 210 | US Petromex Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 211 | White Oak Operating Company LLC | — | 0 | 0 | 1 | — | — |
| 212 | Wynn-Crosby Energy Inc. | — | 0 | 0 | 1 | — | — |
| 213 | Yturria Frank D. | — | 0 | 0 | 1 | — | — |
213 OPERATORS · WINDOW ON THE RRC ISSUE DATE