| 1 | Hilcorp Energy Company | 4 | 28 | 0 | 18 | Apr 17, 2026 | Apr 29, 2026 |
| 2 | Wagner and Brown | — | 0 | 0 | 56 | — | — |
| 3 | Hunt, Wm. Herbert, Trust Est. | — | 11 | 0 | 31 | — | — |
| 4 | Phillips Petroleum Company | — | 5 | 0 | 29 | — | — |
| 5 | Conoco Inc. | — | 53 | 0 | 25 | — | — |
| 6 | Continental Oil Company | — | 7 | 0 | 24 | — | — |
| 7 | Lamar Oil & Gas, Inc. | — | 25 | 0 | 20 | — | — |
| 8 | Sun Exploration & Production Co. | — | 0 | 0 | 20 | — | — |
| 9 | Sun Expl. & Prod. Co.-Corpus | — | 0 | 0 | 20 | — | — |
| 10 | Energy Reserves Group Inc. | — | 0 | 0 | 18 | — | — |
| 11 | Omega Energy LLC | — | 0 | 0 | 18 | — | — |
| 12 | Millennium Exploration Co. LLC | — | 0 | 0 | 16 | — | — |
| 13 | Corpus Christi Oil & Gas Co. | — | 27 | 0 | 13 | — | — |
| 14 | Petro-Hunt L.L.C. | — | 0 | 0 | 12 | — | — |
| 15 | Petroleum Management, Inc. | — | 14 | 0 | 11 | — | — |
| 16 | Hunt Oil Company | — | 13 | 0 | 11 | — | — |
| 17 | HLS Producing Inc. | — | 0 | 0 | 9 | — | — |
| 18 | Cabot Oil & Gas Corporation | — | 34 | 0 | 8 | — | — |
| 19 | Tema Oil and Gas Company | — | 5 | 0 | 8 | — | — |
| 20 | C & H Oil & Gas Production Co. | — | 0 | 0 | 8 | — | — |
| 21 | Cities Service Oil Co. | — | 1 | 0 | 7 | — | — |
| 22 | American Petrofina Co. of Tex. | — | 0 | 0 | 7 | — | — |
| 23 | Getty Oil Co. | — | 23 | 0 | 6 | — | — |
| 24 | Exxon Corp. | — | 22 | 0 | 6 | — | — |
| 25 | Mitchell Energy Offshore Corp. | — | 12 | 0 | 6 | — | — |
| 26 | Pennzoil Producing Co. | — | 6 | 0 | 6 | — | — |
| 27 | Atlantic Richfield Co. | — | 1 | 0 | 6 | — | — |
| 28 | Omega Energy Corp. | — | 1 | 0 | 6 | — | — |
| 29 | Aluminum Co. of America | — | 0 | 0 | 6 | — | — |
| 30 | Duquesne Natural Gas Company | — | 0 | 0 | 6 | — | — |
| 31 | Maynard Oil Co. | — | 0 | 0 | 6 | — | — |
| 32 | Pennzoil Exploration & Prod. Co. | — | 17 | 0 | 5 | — | — |
| 33 | Texaco Producing Inc. | — | 4 | 0 | 5 | — | — |
| 34 | Besco Operating, L.P. | — | 1 | 0 | 4 | — | — |
| 35 | PI Energy, Inc. | — | 1 | 0 | 4 | — | — |
| 36 | Coastal States Gas Prod. Co. | — | 0 | 0 | 4 | — | — |
| 37 | Independence Drilling Corp. | — | 0 | 0 | 4 | — | — |
| 38 | Lamar Gas Gathering Corporation | — | 0 | 0 | 4 | — | — |
| 39 | Oberlender H.B. | — | 0 | 0 | 4 | — | — |
| 40 | R B R Oil Company | — | 0 | 0 | 4 | — | — |
| 41 | Walter Oil & Gas Corporation | — | 30 | 0 | 3 | — | — |
| 42 | Houston Oil & Minerals Corp. | — | 15 | 0 | 3 | — | — |
| 43 | Winn Exploration Co., Inc. | — | 9 | 0 | 3 | — | — |
| 44 | Wagner Oil Company | — | 3 | 0 | 3 | — | — |
| 45 | Neumin Production Company | — | 2 | 0 | 3 | — | — |
| 46 | Humble Oil & Refining Co. | — | 0 | 0 | 3 | — | — |
| 47 | Hunt W. H. | — | 0 | 0 | 3 | — | — |
| 48 | Owl Petroleum Company | — | 0 | 0 | 3 | — | — |
| 49 | Pickens Company Inc. The | — | 0 | 0 | 3 | — | — |
| 50 | TR Offshore LLC | — | 0 | 0 | 3 | — | — |
| 51 | Live Oak Reserves, Inc. | — | 27 | 0 | 2 | — | — |
| 52 | Genesis Producing Company | — | 10 | 0 | 2 | — | — |
| 53 | Wallis Energy, Inc. | — | 7 | 0 | 2 | — | — |
| 54 | Cities Service Company | — | 5 | 0 | 2 | — | — |
| 55 | Rincon Petroleum Corporation | — | 4 | 0 | 2 | — | — |
| 56 | Wainoco Oil & Gas Company | — | 4 | 0 | 2 | — | — |
| 57 | Bell,kelly-Skelly-Pennzoil | — | 2 | 0 | 2 | — | — |
| 58 | Egan Resources Inc. | — | 2 | 0 | 2 | — | — |
| 59 | Petro-Lewis Corporation | — | 2 | 0 | 2 | — | — |
| 60 | Davis Oil Company | — | 1 | 0 | 2 | — | — |
| 61 | Esenjay Exploration, Inc | — | 1 | 0 | 2 | — | — |
| 62 | Fox, Hewitt B., Inc. | — | 1 | 0 | 2 | — | — |
| 63 | Gas Producing Enterprises, Inc. | — | 1 | 0 | 2 | — | — |
| 64 | T-C Oil Company, LLC | — | 1 | 0 | 2 | — | — |
| 65 | Amoco Production Company | — | 0 | 0 | 2 | — | — |
| 66 | C. C. Operating Company | — | 0 | 0 | 2 | — | — |
| 67 | Chevron U. S. A. Inc. | — | 0 | 0 | 2 | — | — |
| 68 | Conocophillips Company | — | 0 | 0 | 2 | — | — |
| 69 | Diamond M. Drilling Co. | — | 0 | 0 | 2 | — | — |
| 70 | Hewit & Dougherty | — | 0 | 0 | 2 | — | — |
| 71 | HNG Oil Company | — | 0 | 0 | 2 | — | — |
| 72 | Home Petroleum Corporation | — | 0 | 0 | 2 | — | — |
| 73 | LA Coastal Pet. Corp. | — | 0 | 0 | 2 | — | — |
| 74 | McMoran Production Co. | — | 0 | 0 | 2 | — | — |
| 75 | Petroleum Corporation of Texas | — | 0 | 0 | 2 | — | — |
| 76 | Placid Oil Company | — | 0 | 0 | 2 | — | — |
| 77 | Tenneco Oil Co. | — | 0 | 0 | 2 | — | — |
| 78 | Tidewater Pipe Line Co. | — | 0 | 0 | 2 | — | — |
| 79 | XTO Energy Inc. | — | 0 | 0 | 2 | — | — |
| 80 | Zarsky John L. Estate OF | — | 0 | 0 | 2 | — | — |
| 81 | North Central Oil Corp. | — | 23 | 0 | 1 | — | — |
| 82 | Magnum Producing, LP | — | 8 | 0 | 1 | — | — |
| 83 | Miresco, Inc. | — | 7 | 0 | 1 | — | — |
| 84 | Samson Lone Star LP | — | 6 | 0 | 1 | — | — |
| 85 | Carrizo Oil & Gas, Inc. | — | 4 | 0 | 1 | — | — |
| 86 | Energy Development Corp. - N. J. | — | 4 | 0 | 1 | — | — |
| 87 | Centura Incorporated | — | 3 | 0 | 1 | — | — |
| 88 | Kebo Oil & Gas, Inc. | — | 3 | 0 | 1 | — | — |
| 89 | Pelto Oil Company | — | 3 | 0 | 1 | — | — |
| 90 | Antares Oil Corporation | — | 2 | 0 | 1 | — | — |
| 91 | Corpus Christi Leaseholds, Inc. | — | 2 | 0 | 1 | — | — |
| 92 | Grace Petroleum Corp. | — | 2 | 0 | 1 | — | — |
| 93 | Harvey Brothers Oil & Gas | — | 2 | 0 | 1 | — | — |
| 94 | Langham Petroleum Expl. Corp. | — | 2 | 0 | 1 | — | — |
| 95 | White Oak Operating Company LLC | — | 2 | 0 | 1 | — | — |
| 96 | Bass Enterprises Production Co. | — | 1 | 0 | 1 | — | — |
| 97 | Cockrell Oil Corporation | — | 1 | 0 | 1 | — | — |
| 98 | Cox, Edwin L. | — | 1 | 0 | 1 | — | — |
| 99 | Cox, Edwin L. & Cox, Berry R. | — | 1 | 0 | 1 | — | — |
| 100 | Dinero Oil Corporation | — | 1 | 0 | 1 | — | — |
| 101 | Flournoy Production Co. | — | 1 | 0 | 1 | — | — |
| 102 | Geodynamics Oil & Gas, Inc. | — | 1 | 0 | 1 | — | — |
| 103 | Gulf Oil Corp. | — | 1 | 0 | 1 | — | — |
| 104 | Hurd Enterprises, Ltd. | — | 1 | 0 | 1 | — | — |
| 105 | Marsh, Tom F. Inc. | — | 1 | 0 | 1 | — | — |
| 106 | Mortimer Exploration Company | — | 1 | 0 | 1 | — | — |
| 107 | Petro-Guard Production,l.l.c. | — | 1 | 0 | 1 | — | — |
| 108 | Texaco Inc. | — | 1 | 0 | 1 | — | — |
| 109 | Aransas Minerals Corporation | — | 0 | 0 | 1 | — | — |
| 110 | Atlantic Richfield Company | — | 0 | 0 | 1 | — | — |
| 111 | Atura International Inc. | — | 0 | 0 | 1 | — | — |
| 112 | Bell Kelly | — | 0 | 0 | 1 | — | — |
| 113 | Burns Bobby M. | — | 0 | 0 | 1 | — | — |
| 114 | Burns Bobby M. & Cox Edwin L. | — | 0 | 0 | 1 | — | — |
| 115 | Clinton Oil Co. | — | 0 | 0 | 1 | — | — |
| 116 | Dansfiell Oil & Gas Corp. | — | 0 | 0 | 1 | — | — |
| 117 | Denovo Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 118 | Exxcel Operating Company | — | 0 | 0 | 1 | — | — |
| 119 | Fischer Petroleum Corporation | — | 0 | 0 | 1 | — | — |
| 120 | G & D Investments Inc. | — | 0 | 0 | 1 | — | — |
| 121 | Gulfport Energy Corporation | — | 0 | 0 | 1 | — | — |
| 122 | Hagens R. C. | — | 0 | 0 | 1 | — | — |
| 123 | J.J. S Consulting Firm Inc. | — | 0 | 0 | 1 | — | — |
| 124 | Johnson & Johnson Oil & Gas Co. | — | 0 | 0 | 1 | — | — |
| 125 | Marine Contrac. & Supply Inc. | — | 0 | 0 | 1 | — | — |
| 126 | Midhurst Oil Corp. | — | 0 | 0 | 1 | — | — |
| 127 | Mission River Systems Inc. | — | 0 | 0 | 1 | — | — |
| 128 | Mobil Oil Corporation | — | 0 | 0 | 1 | — | — |
| 129 | Mokeen Oil Company | — | 0 | 0 | 1 | — | — |
| 130 | Moore-McCormack Oil & Gas Corp. | — | 0 | 0 | 1 | — | — |
| 131 | MPS Prod. Co.-Zinn Pet. Co. | — | 0 | 0 | 1 | — | — |
| 132 | Nickel Oil Co. | — | 0 | 0 | 1 | — | — |
| 133 | Operator P-5 Not on File | — | 0 | 0 | 1 | — | — |
| 134 | Owl Creek Production Co. Inc. | — | 0 | 0 | 1 | — | — |
| 135 | Phillips A. O. | — | 0 | 0 | 1 | — | — |
| 136 | Placid Oil Co. Etal | — | 0 | 0 | 1 | — | — |
| 137 | Rowe W. Earl | — | 0 | 0 | 1 | — | — |
| 138 | Royal Oil & Gas Corp. | — | 0 | 0 | 1 | — | — |
| 139 | Sinclair Carl Oil Well Service | — | 0 | 0 | 1 | — | — |
| 140 | Southland Drlg. Co. | — | 0 | 0 | 1 | — | — |
| 141 | Southwestern Oil & Refining Co. | — | 0 | 0 | 1 | — | — |
| 142 | Stillwater Petroleum Company | — | 0 | 0 | 1 | — | — |
| 143 | Texaco E & P Inc. | — | 0 | 0 | 1 | — | — |
| 144 | Western Gulf Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 145 | Whiting Oil and Gas Corporation | — | 0 | 0 | 1 | — | — |
| 146 | Woolsey Sterling W. | — | 0 | 0 | 1 | — | — |
| 147 | T - C Oil Company | — | 11 | 0 | 0 | — | — |
| 148 | EOG Resources, Inc. | — | 10 | 0 | 0 | — | — |
| 149 | Genesis Petroleum Corporation | — | 9 | 0 | 0 | — | — |
| 150 | Mitchell Energy Corporation | — | 9 | 0 | 0 | — | — |
| 151 | Sanchez-O'Brien Oil & Gas Corp. | — | 8 | 0 | 0 | — | — |
| 152 | O'Sullivan & Scully, Inc. | — | 7 | 0 | 0 | — | — |
| 153 | Integral Energy Corp. | — | 6 | 0 | 0 | — | — |
| 154 | McMoran Exploration Co. | — | 6 | 0 | 0 | — | — |
| 155 | Rancho Resources Corporation | — | 6 | 0 | 0 | — | — |
| 156 | Cherokee Energy, Inc. | — | 5 | 0 | 0 | — | — |
| 157 | Genesis Producing Company, L.P. | — | 5 | 0 | 0 | — | — |
| 158 | Magnum Producing & Operating Co. | — | 5 | 0 | 0 | — | — |
| 159 | Balboa Exploration Company | — | 4 | 0 | 0 | — | — |
| 160 | Baxter, Murphy H. | — | 4 | 0 | 0 | — | — |
| 161 | Cities Service Oil & Gas Corp. | — | 4 | 0 | 0 | — | — |
| 162 | Cockrell Corp. | — | 4 | 0 | 0 | — | — |
| 163 | Enco Exploration Company | — | 4 | 0 | 0 | — | — |
| 164 | Esenjay Operating, Inc. | — | 4 | 0 | 0 | — | — |
| 165 | Goldking Prod. Co. | — | 4 | 0 | 0 | — | — |
| 166 | McMoran-Transco Expl.co. | — | 4 | 0 | 0 | — | — |
| 167 | Terra Resources, Inc. | — | 4 | 0 | 0 | — | — |
| 168 | Arco Oil & Gas Co. | — | 3 | 0 | 0 | — | — |
| 169 | Diasu Oil & Gas Co., Inc. | — | 3 | 0 | 0 | — | — |
| 170 | Fort Worth Oil & Gas, Inc. | — | 3 | 0 | 0 | — | — |
| 171 | Matagorda Exploration, Inc. | — | 3 | 0 | 0 | — | — |
| 172 | Moore McCormack Production, Inc. | — | 3 | 0 | 0 | — | — |
| 173 | Santa FE Energy Oper. Part., LP | — | 3 | 0 | 0 | — | — |
| 174 | Sexton Oil & Minerals Corp. | — | 3 | 0 | 0 | — | — |
| 175 | Anadarko Production Company | — | 2 | 0 | 0 | — | — |
| 176 | Carnes Exploration Company | — | 2 | 0 | 0 | — | — |
| 177 | Chaparral Energy, L.L.C. | — | 2 | 0 | 0 | — | — |
| 178 | Convest Energy Corporation | — | 2 | 0 | 0 | — | — |
| 179 | Eads Operating Co. | — | 2 | 0 | 0 | — | — |
| 180 | Esenjay Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 181 | Fargo Trading Co., Inc. | — | 2 | 0 | 0 | — | — |
| 182 | Fisher-Webb, Inc. | — | 2 | 0 | 0 | — | — |
| 183 | Global Natural Resources Corp. | — | 2 | 0 | 0 | — | — |
| 184 | Graham Exploration, Ltd. | — | 2 | 0 | 0 | — | — |
| 185 | H.K.E., Inc. | — | 2 | 0 | 0 | — | — |
| 186 | Hughes, Dan A. Company, L.P. | — | 2 | 0 | 0 | — | — |
| 187 | Live Oak/Operations, Inc. | — | 2 | 0 | 0 | — | — |
| 188 | Mesa Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 189 | Midland Res. Oper. Co., Inc. | — | 2 | 0 | 0 | — | — |
| 190 | Realitos Energy Corp. | — | 2 | 0 | 0 | — | — |
| 191 | Southwest Petrochem, Inc. | — | 2 | 0 | 0 | — | — |
| 192 | United Oil & Minerals L. P. | — | 2 | 0 | 0 | — | — |
| 193 | Voight Oil Company | — | 2 | 0 | 0 | — | — |
| 194 | Wessely Energy Corporation | — | 2 | 0 | 0 | — | — |
| 195 | Abraxas Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 196 | Apex Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 197 | Arena Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 198 | Buttes Resources Company | — | 1 | 0 | 0 | — | — |
| 199 | Callahan, Randall R | — | 1 | 0 | 0 | — | — |
| 200 | Camden Reserves, Inc. | — | 1 | 0 | 0 | — | — |
| 201 | Cameron, Paul E., Jr., Inc. | — | 1 | 0 | 0 | — | — |
| 202 | Cavalla Energy Exploration Co. | — | 1 | 0 | 0 | — | — |
| 203 | Citation Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 204 | Cummins & Walker Oil Co., Inc. | — | 1 | 0 | 0 | — | — |
| 205 | Dansfiell, W. B. | — | 1 | 0 | 0 | — | — |
| 206 | Dirnett, Inc. | — | 1 | 0 | 0 | — | — |
| 207 | Dorchester Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 208 | Douglas Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 209 | Evans, Julian | — | 1 | 0 | 0 | — | — |
| 210 | Excalibur E & P, LLC | — | 1 | 0 | 0 | — | — |
| 211 | First Aransas Reserves, Inc. | — | 1 | 0 | 0 | — | — |
| 212 | Forcenergy Inc | — | 1 | 0 | 0 | — | — |
| 213 | Gainco, Inc. | — | 1 | 0 | 0 | — | — |
| 214 | Galaxy Oil Company | — | 1 | 0 | 0 | — | — |
| 215 | Genesis Oil Corp. | — | 1 | 0 | 0 | — | — |
| 216 | Gruy Petroleum Management Co. | — | 1 | 0 | 0 | — | — |
| 217 | Harkins & Company | — | 1 | 0 | 0 | — | — |
| 218 | Hughes, Dan A. Company | — | 1 | 0 | 0 | — | — |
| 219 | Inexco Oil Company | — | 1 | 0 | 0 | — | — |
| 220 | JMG Financial Corporation | — | 1 | 0 | 0 | — | — |
| 221 | Kelley & Kerr Drilling Ltd. | — | 1 | 0 | 0 | — | — |
| 222 | Kenergy Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 223 | Kilgore-Turner Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 224 | Longhorn Oil&gas Co. | — | 1 | 0 | 0 | — | — |
| 225 | Manna Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 226 | McBee Oil Co. | — | 1 | 0 | 0 | — | — |
| 227 | Mogul Energy International, Inc. | — | 1 | 0 | 0 | — | — |
| 228 | Moseley Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 229 | National Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 230 | OXY USA Inc. | — | 1 | 0 | 0 | — | — |
| 231 | Pedeco, Inc. | — | 1 | 0 | 0 | — | — |
| 232 | Phillips Oil Company | — | 1 | 0 | 0 | — | — |
| 233 | Pices, Inc. | — | 1 | 0 | 0 | — | — |
| 234 | Pintex Operating Inc. | — | 1 | 0 | 0 | — | — |
| 235 | Raider Oil Corp. | — | 1 | 0 | 0 | — | — |
| 236 | Realm Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 237 | Richman Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 238 | Sinclair Exp Co & Erwin Eng Corp | — | 1 | 0 | 0 | — | — |
| 239 | Southport Exploration Inc. | — | 1 | 0 | 0 | — | — |
| 240 | SPG Operating Company | — | 1 | 0 | 0 | — | — |
| 241 | Standard Resources Corp. | — | 1 | 0 | 0 | — | — |
| 242 | Suemaur Expl. & Prod., LLC | — | 1 | 0 | 0 | — | — |
| 243 | Synergy Production Company | — | 1 | 0 | 0 | — | — |
| 244 | Tenneco Oil Company-Tgcd | — | 1 | 0 | 0 | — | — |
| 245 | Texas City Refg. Inc. | — | 1 | 0 | 0 | — | — |
| 246 | Total Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 247 | Tricentrol United States, Inc. | — | 1 | 0 | 0 | — | — |
| 248 | T & T Drilling Co., Inc. | — | 1 | 0 | 0 | — | — |
| 249 | Vintage Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 250 | Wagner & Brown | — | 1 | 0 | 0 | — | — |
| 251 | Weeks Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 252 | Whiting Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 253 | Whittington Operating Company | — | 1 | 0 | 0 | — | — |