| 1 | Citation Oil & Gas Corp. | — | 69 | 0 | 240 | — | — |
| 2 | Venez Corp. | — | 0 | 0 | 107 | — | — |
| 3 | Chestnut Explor. and Prod. Inc. | — | 0 | 0 | 69 | — | — |
| 4 | Exxon Corp. | — | 269 | 0 | 38 | — | — |
| 5 | Texas Oil and Gas Operating, LLC | — | 7 | 0 | 36 | — | — |
| 6 | Amoco Production Company | — | 178 | 0 | 28 | — | — |
| 7 | Dewbre Petroleum Corporation | — | 21 | 0 | 25 | — | — |
| 8 | Cody Energy LLC | — | 74 | 0 | 21 | — | — |
| 9 | EOG Resources, Inc. | — | 15 | 0 | 20 | — | — |
| 10 | Apollo Petro Fuels LLC | — | 0 | 0 | 20 | — | — |
| 11 | Wagner Oil Company | — | 22 | 0 | 18 | — | — |
| 12 | Texaco Inc. | — | 85 | 0 | 15 | — | — |
| 13 | Mabee Petroleum Corp. | — | 14 | 0 | 14 | — | — |
| 14 | Superior Oil Company, The | — | 2 | 0 | 12 | — | — |
| 15 | Pan American Petroleum Corp. | — | 0 | 0 | 11 | — | — |
| 16 | Exxon Mobil Corporation | — | 53 | 0 | 10 | — | — |
| 17 | Petroleum Management, Inc. | — | 17 | 0 | 10 | — | — |
| 18 | XTO Energy Inc. | — | 8 | 0 | 9 | — | — |
| 19 | Suemaur Expl. & Prod., LLC | — | 38 | 0 | 7 | — | — |
| 20 | Pinnell, H. P. Trustee | — | 13 | 0 | 7 | — | — |
| 21 | Fargo Trading Co., Inc. | — | 42 | 0 | 6 | — | — |
| 22 | Maynard Oil Co. | — | 16 | 0 | 6 | — | — |
| 23 | Shoco Production LLC | — | 0 | 0 | 6 | — | — |
| 24 | Texas Oil & Gas Corp. | — | 0 | 0 | 6 | — | — |
| 25 | Blakenergy Operating, LLC | — | 47 | 0 | 5 | — | — |
| 26 | LA Sara Operating Company, LLC | — | 13 | 0 | 5 | — | — |
| 27 | Petrotex Management Co. | — | 7 | 0 | 5 | — | — |
| 28 | MW Petroleum Corporation | — | 17 | 0 | 4 | — | — |
| 29 | Mitchell Energy Corporation | — | 10 | 0 | 4 | — | — |
| 30 | Modern Exploration, Inc. | — | 4 | 0 | 4 | — | — |
| 31 | U.S. Enercorp, Ltd. | — | 2 | 0 | 4 | — | — |
| 32 | API Operating Co. | — | 1 | 0 | 4 | — | — |
| 33 | Bentsen-Whittington Oil Company | — | 0 | 0 | 4 | — | — |
| 34 | Convest Energy Corporation | — | 10 | 0 | 3 | — | — |
| 35 | Sue-Ann Operating, L.C. | — | 4 | 0 | 3 | — | — |
| 36 | Energy Sources, Inc. | — | 1 | 0 | 3 | — | — |
| 37 | Hughes, Dan A. Company, L.P. | — | 1 | 0 | 3 | — | — |
| 38 | Birdwell W. Russell | — | 0 | 0 | 3 | — | — |
| 39 | Dallas Petroleum Group LLC | — | 0 | 0 | 3 | — | — |
| 40 | Hanson Production Company | — | 0 | 0 | 3 | — | — |
| 41 | Petrovybe Opco LLC | — | 0 | 0 | 3 | — | — |
| 42 | Proline Energy Resources Inc | — | 0 | 0 | 3 | — | — |
| 43 | Reserve Oil & Gas Company | — | 0 | 0 | 3 | — | — |
| 44 | Parker & Parsley Development L.P | — | 14 | 0 | 2 | — | — |
| 45 | Flint Oak Energy, LLC | — | 13 | 0 | 2 | — | — |
| 46 | Franklin, J.W. Oil Operator | — | 6 | 0 | 2 | — | — |
| 47 | Apache Corporation | — | 4 | 0 | 2 | — | — |
| 48 | Hada, J. L., Jr. | — | 4 | 0 | 2 | — | — |
| 49 | Cimarron Engineering LLC | — | 0 | 0 | 2 | — | — |
| 50 | Frost C.M. P.M. & V.W. | — | 0 | 0 | 2 | — | — |
| 51 | Gainco Inc. | — | 0 | 0 | 2 | — | — |
| 52 | Mabee Royalties Inc. | — | 0 | 0 | 2 | — | — |
| 53 | McMoran Exploration Co. | — | 0 | 0 | 2 | — | — |
| 54 | Occidental Petroleum Corp. | — | 0 | 0 | 2 | — | — |
| 55 | OXY USA Inc. | — | 0 | 0 | 2 | — | — |
| 56 | Republic Mineral Corporation | — | 0 | 0 | 2 | — | — |
| 57 | Safari Production Company Inc. | — | 0 | 0 | 2 | — | — |
| 58 | Smith Production Inc. | — | 0 | 0 | 2 | — | — |
| 59 | Risco la Sara Operations, LLC | — | 20 | 0 | 1 | — | — |
| 60 | Esenjay Exploration, Inc | — | 10 | 0 | 1 | — | — |
| 61 | May Petroleum, Inc. | — | 10 | 0 | 1 | — | — |
| 62 | Mueller Engineering Corp. | — | 10 | 0 | 1 | — | — |
| 63 | MK Operating Company LLC | — | 5 | 0 | 1 | — | — |
| 64 | Genesis Petroleum Corporation | — | 4 | 0 | 1 | — | — |
| 65 | Anschutz Corporation, The | — | 3 | 0 | 1 | — | — |
| 66 | EL Paso E & P Company, L. P. | — | 3 | 0 | 1 | — | — |
| 67 | Texas, L. Petroleum, Inc. | — | 3 | 0 | 1 | — | — |
| 68 | Kaler Energy Corp | — | 2 | 0 | 1 | — | — |
| 69 | Texaco E & P Inc. | — | 2 | 0 | 1 | — | — |
| 70 | Whittington Operating Company | — | 2 | 0 | 1 | — | — |
| 71 | Bettis, Boyle & Stovall | — | 1 | 0 | 1 | — | — |
| 72 | Centura Incorporated | — | 1 | 0 | 1 | — | — |
| 73 | Corpus Christi Oil & Gas Co. | — | 1 | 0 | 1 | — | — |
| 74 | Crystal Oil Co.-Ley Petro. Corp. | — | 1 | 0 | 1 | — | — |
| 75 | Hawn Brothers | — | 1 | 0 | 1 | — | — |
| 76 | Lighthouse Operating, Inc. | — | 1 | 0 | 1 | — | — |
| 77 | Panther Bayou Energy, LLC | — | 1 | 0 | 1 | — | — |
| 78 | Pogo Producing Company LLC | — | 1 | 0 | 1 | — | — |
| 79 | Slimhole Engineering Co., Inc. | — | 1 | 0 | 1 | — | — |
| 80 | Carl Oil & Gas Co. | — | 0 | 0 | 1 | — | — |
| 81 | Cimarex Energy Co. of Colorado | — | 0 | 0 | 1 | — | — |
| 82 | Cox Edwin L. | — | 0 | 0 | 1 | — | — |
| 83 | Discovery Petroleum L.L.C. | — | 0 | 0 | 1 | — | — |
| 84 | Durango Resources Corp. | — | 0 | 0 | 1 | — | — |
| 85 | EP Energy E&P Company L.P. | — | 0 | 0 | 1 | — | — |
| 86 | Evco Incorporated | — | 0 | 0 | 1 | — | — |
| 87 | Expando Oil Company | — | 0 | 0 | 1 | — | — |
| 88 | Faulconer Vernon E. Inc. | — | 0 | 0 | 1 | — | — |
| 89 | Ffa Petroleum Services Inc. | — | 0 | 0 | 1 | — | — |
| 90 | Forest Oil Corporation | — | 0 | 0 | 1 | — | — |
| 91 | Galilee Oil Investments LLC | — | 0 | 0 | 1 | — | — |
| 92 | Hilcorp Energy Company | — | 0 | 0 | 1 | — | — |
| 93 | Humble Oil & Refining Co. | — | 0 | 0 | 1 | — | — |
| 94 | Janex Oil Co. Inc. | — | 0 | 0 | 1 | — | — |
| 95 | J. & M. Well Service Inc. | — | 0 | 0 | 1 | — | — |
| 96 | Mitchell Energy Company L.P. | — | 0 | 0 | 1 | — | — |
| 97 | Mitchell Geo. & Assoc. Inc. | — | 0 | 0 | 1 | — | — |
| 98 | Mobil Oil Corporation | — | 0 | 0 | 1 | — | — |
| 99 | Moore-McCormack Energy Inc. | — | 0 | 0 | 1 | — | — |
| 100 | Nadcf Recovery Group Inc. | — | 0 | 0 | 1 | — | — |
| 101 | Natural Gas Electronics Corp. | — | 0 | 0 | 1 | — | — |
| 102 | Operator P-5 Not on File | — | 0 | 0 | 1 | — | — |
| 103 | Reveille Resources (Texas) Inc. | — | 0 | 0 | 1 | — | — |
| 104 | Robin Jack Co. | — | 0 | 0 | 1 | — | — |
| 105 | Shell Oil Company | — | 0 | 0 | 1 | — | — |
| 106 | Southwest Oil & Land Inc. | — | 0 | 0 | 1 | — | — |
| 107 | Trinity Environmental SWD L.L.C | — | 0 | 0 | 1 | — | — |
| 108 | US Petromex Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 109 | White Oak Operating Company LLC | — | 0 | 0 | 1 | — | — |
| 110 | Wynn-Crosby Energy Inc. | — | 0 | 0 | 1 | — | — |
| 111 | Dominion Expl. & Prod., Inc. | — | 16 | 0 | 0 | — | — |
| 112 | Sanchez Oil & Gas Corporation | — | 10 | 0 | 0 | — | — |
| 113 | Hughes, Dan A. Company | — | 8 | 0 | 0 | — | — |
| 114 | Swift Energy Company | — | 8 | 0 | 0 | — | — |
| 115 | Anschutz Exploration Corporation | — | 6 | 0 | 0 | — | — |
| 116 | EL Paso Production Oil & Gas Co. | — | 6 | 0 | 0 | — | — |
| 117 | Alaniz, Ernest | — | 5 | 0 | 0 | — | — |
| 118 | Hanson Minerals Co. | — | 5 | 0 | 0 | — | — |
| 119 | Saga Petroleum Corp. | — | 5 | 0 | 0 | — | — |
| 120 | Tucker Operating Co., Inc. | — | 5 | 0 | 0 | — | — |
| 121 | Flournoy Production Co. | — | 4 | 0 | 0 | — | — |
| 122 | National Energy Group, Inc. | — | 4 | 0 | 0 | — | — |
| 123 | Square Mile Energy, L.L.C. | — | 4 | 0 | 0 | — | — |
| 124 | Brigham Oil & Gas, L.P. | — | 3 | 0 | 0 | — | — |
| 125 | Cimarron Engineering Corp. | — | 3 | 0 | 0 | — | — |
| 126 | Fortune Operating Company | — | 3 | 0 | 0 | — | — |
| 127 | Integral Energy Corp. | — | 3 | 0 | 0 | — | — |
| 128 | Rincon Petroleum Corporation | — | 3 | 0 | 0 | — | — |
| 129 | Samson Lone Star LP | — | 3 | 0 | 0 | — | — |
| 130 | Sanchez-O'Brien Oil & Gas Corp. | — | 3 | 0 | 0 | — | — |
| 131 | U.S. Enercorp, LLC | — | 3 | 0 | 0 | — | — |
| 132 | Yturria-Jones Oil Company | — | 3 | 0 | 0 | — | — |
| 133 | Zinke & Trumbo, Inc. | — | 3 | 0 | 0 | — | — |
| 134 | CNG Producing Company | — | 2 | 0 | 0 | — | — |
| 135 | Corda Corporation | — | 2 | 0 | 0 | — | — |
| 136 | Enterprise Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 137 | Goldking Prod. Co. | — | 2 | 0 | 0 | — | — |
| 138 | Hoskins, L. R. & Sons, Inc. | — | 2 | 0 | 0 | — | — |
| 139 | International Oil & Gas Corp. | — | 2 | 0 | 0 | — | — |
| 140 | Midcon Texas PL Operator, Inc. | — | 2 | 0 | 0 | — | — |
| 141 | Milo Petroleum Company | — | 2 | 0 | 0 | — | — |
| 142 | Petro-Hunt Corporation | — | 2 | 0 | 0 | — | — |
| 143 | Reveille Resources | — | 2 | 0 | 0 | — | — |
| 144 | Rio-Tex, Inc. | — | 2 | 0 | 0 | — | — |
| 145 | Tasca Exploration Company | — | 2 | 0 | 0 | — | — |
| 146 | TXO Production Corp. | — | 2 | 0 | 0 | — | — |
| 147 | Venex Corporation | — | 2 | 0 | 0 | — | — |
| 148 | Wagner, Duer & Co. | — | 2 | 0 | 0 | — | — |
| 149 | Yturria-Jones | — | 2 | 0 | 0 | — | — |
| 150 | Abaco Operating, LLC | — | 1 | 0 | 0 | — | — |
| 151 | Acock Operating Limited | — | 1 | 0 | 0 | — | — |
| 152 | American Shoreline, Inc. | — | 1 | 0 | 0 | — | — |
| 153 | Anderman Operating Co. | — | 1 | 0 | 0 | — | — |
| 154 | Anderson,t.g. & Bowman,e.l. | — | 1 | 0 | 0 | — | — |
| 155 | Ayres, George C. | — | 1 | 0 | 0 | — | — |
| 156 | Bellows Operating Co., L. C. | — | 1 | 0 | 0 | — | — |
| 157 | B & M Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 158 | Broken Hill Pty Hldgs (USA) Inc. | — | 1 | 0 | 0 | — | — |
| 159 | Carter, Kiel & R.B.O., Inc. | — | 1 | 0 | 0 | — | — |
| 160 | Clay Energy | — | 1 | 0 | 0 | — | — |
| 161 | D.G. Miller Oil & Gas, L.P. | — | 1 | 0 | 0 | — | — |
| 162 | Dorchester Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 163 | Duke Energy Field Services, LP | — | 1 | 0 | 0 | — | — |
| 164 | Energy Development Corp. | — | 1 | 0 | 0 | — | — |
| 165 | Esenjay Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 166 | Fossil Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 167 | Geo Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 168 | Griffin, S.M. Oil, Inc. | — | 1 | 0 | 0 | — | — |
| 169 | Gruy Petroleum Management Co. | — | 1 | 0 | 0 | — | — |
| 170 | Harkins & Company | — | 1 | 0 | 0 | — | — |
| 171 | Hunt Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 172 | King Operating Corporation | — | 1 | 0 | 0 | — | — |
| 173 | Lgdc Corporation | — | 1 | 0 | 0 | — | — |
| 174 | Lone Star Exploration, Inc | — | 1 | 0 | 0 | — | — |
| 175 | Madera, R. F. | — | 1 | 0 | 0 | — | — |
| 176 | McCormick Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 177 | Medallion Oil Co. | — | 1 | 0 | 0 | — | — |
| 178 | Mesquite Prod. & Explor., Inc. | — | 1 | 0 | 0 | — | — |
| 179 | Miramar Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 180 | Mobil Producing TX. & N.M. Inc. | — | 1 | 0 | 0 | — | — |
| 181 | Neuhaus, V. F. Properties | — | 1 | 0 | 0 | — | — |
| 182 | Osborn Heirs Company | — | 1 | 0 | 0 | — | — |
| 183 | Paragon Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 184 | Petromex Oil and Gas, LLC | — | 1 | 0 | 0 | — | — |
| 185 | Petro Tejas, Inc. | — | 1 | 0 | 0 | — | — |
| 186 | Pickens Company, Inc., The | — | 1 | 0 | 0 | — | — |
| 187 | Pioneer Natural Res. USA, Inc. | — | 1 | 0 | 0 | — | — |
| 188 | Poff, H. Bryan | — | 1 | 0 | 0 | — | — |
| 189 | Quintana Pet. Corp. | — | 1 | 0 | 0 | — | — |
| 190 | Rea Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 191 | Reef Exploration, Inc. (A-1) | — | 1 | 0 | 0 | — | — |
| 192 | Rimco Production Company, Inc. | — | 1 | 0 | 0 | — | — |
| 193 | Rose, James O. | — | 1 | 0 | 0 | — | — |
| 194 | Saga Pet. Ltd Liability Co of Co | — | 1 | 0 | 0 | — | — |
| 195 | Samedan Oil Corporation | — | 1 | 0 | 0 | — | — |
| 196 | Samson Lone Star, LLC | — | 1 | 0 | 0 | — | — |
| 197 | Santos USA Corp. | — | 1 | 0 | 0 | — | — |
| 198 | Shell Western E&P Inc. | — | 1 | 0 | 0 | — | — |
| 199 | Speyrer Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 200 | Stringer Oil & Gas | — | 1 | 0 | 0 | — | — |
| 201 | Suemaur Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 202 | Sun Expl. & Prod. Co.-Corpus | — | 1 | 0 | 0 | — | — |
| 203 | Swift Energy Operating, LLC | — | 1 | 0 | 0 | — | — |
| 204 | Taubert & Steed | — | 1 | 0 | 0 | — | — |
| 205 | Templeton Energy, Inc | — | 1 | 0 | 0 | — | — |
| 206 | Texas Gas Exploration Corp. | — | 1 | 0 | 0 | — | — |
| 207 | Texas Ranger Oil Company, The | — | 1 | 0 | 0 | — | — |
| 208 | Thorp Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 209 | Timberwolf E&P LLC | — | 1 | 0 | 0 | — | — |
| 210 | Titan Vacuum Services, LLC | — | 1 | 0 | 0 | — | — |
| 211 | Trace Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 212 | Ultra Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 213 | Weaver Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |