| 1 | Basin Oil & Gas Operating, LLC | 16 | 37 | 0 | 54 | Nov 6, 2025 | Sep 16, 2026 |
| 2 | Occidental Permian Ltd. | 3 | 19 | 3 | 56 | Mar 24, 2026 | Mar 24, 2026 |
| 3 | Aviator Energy, LLC | 2 | 2 | 0 | 32 | Sep 4, 2026 | Sep 4, 2026 |
| 4 | Griffin Petroleum Company | 2 | 9 | 0 | 5 | Apr 24, 2026 | Apr 30, 2026 |
| 5 | Cory, Kenneth W. Ltd. | 2 | 5 | 0 | 4 | Apr 7, 2026 | Apr 7, 2026 |
| 6 | Hilcorp Energy Company | 1 | 1 | 0 | 146 | Apr 22, 2026 | Apr 22, 2026 |
| 7 | Highmark Energy Operating LLC | — | 0 | 0 | 478 | — | — |
| 8 | Bce-Mach III LLC | — | 0 | 0 | 139 | — | — |
| 9 | White Rock Oil & Gas LLC | — | 0 | 0 | 136 | — | — |
| 10 | Yates Harvey E. | — | 0 | 0 | 133 | — | — |
| 11 | R3 Operating Corporation | — | 0 | 0 | 119 | — | — |
| 12 | Burk Royalty Co. Ltd. | — | 0 | 0 | 82 | — | — |
| 13 | Texland Petroleum, L.P. | — | 85 | 0 | 71 | — | — |
| 14 | Cross Timbers Energy, LLC | — | 2 | 0 | 60 | — | — |
| 15 | Capturepoint LLC | — | 2 | 0 | 44 | — | — |
| 16 | Great Western Drilling Company | — | 101 | 0 | 43 | — | — |
| 17 | Rein Pusher Operating LLC | — | 0 | 0 | 43 | — | — |
| 18 | Merit Energy Company | — | 19 | 0 | 36 | — | — |
| 19 | Extex Operating Company | — | 0 | 0 | 35 | — | — |
| 20 | Texland-Rector & Schumacher | — | 115 | 0 | 33 | — | — |
| 21 | Gulf Oil Corp. | — | 75 | 0 | 30 | — | — |
| 22 | Tenneco Oil Co. | — | 8 | 0 | 25 | — | — |
| 23 | NRM Petroleum Corp. | — | 30 | 0 | 22 | — | — |
| 24 | OXY USA Inc. | — | 11 | 0 | 17 | — | — |
| 25 | O'Neill Properties, Ltd. | — | 20 | 0 | 16 | — | — |
| 26 | Occidental Permian EOR LLC | — | 0 | 0 | 16 | — | — |
| 27 | Shinnery Oil Company, Inc. | — | 1 | 0 | 14 | — | — |
| 28 | Retriever Operating LLC | — | 0 | 0 | 14 | — | — |
| 29 | Union Texas Petroleum Corp. | — | 27 | 0 | 12 | — | — |
| 30 | Byrd Operating Company | — | 0 | 0 | 12 | — | — |
| 31 | Young, Marshall R., Oil Company | — | 39 | 0 | 11 | — | — |
| 32 | Kala Oil Company | — | 0 | 0 | 11 | — | — |
| 33 | Beach Exploration, Inc. | — | 11 | 0 | 9 | — | — |
| 34 | Walsh & Watts, Inc. | — | 2 | 0 | 9 | — | — |
| 35 | Amoco Production Company | — | 178 | 0 | 8 | — | — |
| 36 | Smith Energy Operating Company | — | 3 | 0 | 8 | — | — |
| 37 | Crey Oil & Gas LLC | — | 0 | 0 | 8 | — | — |
| 38 | Socorro Exploration, Inc. | — | 5 | 0 | 7 | — | — |
| 39 | King Operating Corporation | — | 1 | 0 | 7 | — | — |
| 40 | Stanolind Permian LLC | — | 1 | 0 | 7 | — | — |
| 41 | Boaz Energy II Operating, LLC | — | 35 | 0 | 5 | — | — |
| 42 | Raw Oil & Gas, Inc. | — | 11 | 0 | 5 | — | — |
| 43 | Endeavor Energy Resources L.P. | — | 3 | 0 | 5 | — | — |
| 44 | Finley Resources Inc. | — | 0 | 0 | 5 | — | — |
| 45 | Kimbell Inc. | — | 0 | 0 | 5 | — | — |
| 46 | Three Span Oil & Gas Inc. | — | 0 | 0 | 5 | — | — |
| 47 | R K Petroleum Corp. | — | 26 | 0 | 4 | — | — |
| 48 | Cholla Petroleum, Inc. | — | 9 | 0 | 4 | — | — |
| 49 | Texaco Inc. | — | 5 | 0 | 4 | — | — |
| 50 | Yucca Energy, Inc. | — | 4 | 0 | 4 | — | — |
| 51 | McClure Oil Company Inc. | — | 0 | 0 | 4 | — | — |
| 52 | OXY USA WTP LP | — | 0 | 0 | 4 | — | — |
| 53 | Seaboard Operating Co. | — | 0 | 0 | 4 | — | — |
| 54 | Adobe Oil & Gas Corp. | — | 46 | 0 | 3 | — | — |
| 55 | Exxon Corp. | — | 18 | 0 | 3 | — | — |
| 56 | Remuda Operating Company | — | 17 | 0 | 3 | — | — |
| 57 | Henry Petroleum LP | — | 4 | 0 | 3 | — | — |
| 58 | Santa FE Energy Co. | — | 3 | 0 | 3 | — | — |
| 59 | Barj Oil Co. | — | 2 | 0 | 3 | — | — |
| 60 | Oneill, Joseph I., Jr. | — | 2 | 0 | 3 | — | — |
| 61 | Adobe Resources Corporation | — | 1 | 0 | 3 | — | — |
| 62 | American Operating Company (A) | — | 0 | 0 | 3 | — | — |
| 63 | Catfish Minerals LLC | — | 0 | 0 | 3 | — | — |
| 64 | Cooper Natural Resources Inc. | — | 0 | 0 | 3 | — | — |
| 65 | EF Oil and Gas Invest L.L.C. | — | 0 | 0 | 3 | — | — |
| 66 | McCabe John Q. | — | 0 | 0 | 3 | — | — |
| 67 | Petex | — | 0 | 0 | 3 | — | — |
| 68 | Texas Rayco Inc. | — | 0 | 0 | 3 | — | — |
| 69 | Tomahawk Petroleum | — | 0 | 0 | 3 | — | — |
| 70 | XTO Energy Inc. | — | 121 | 0 | 2 | — | — |
| 71 | Superior Oil Company, The | — | 19 | 0 | 2 | — | — |
| 72 | Apache Corporation | — | 15 | 0 | 2 | — | — |
| 73 | Estoril Producing Corporation | — | 11 | 0 | 2 | — | — |
| 74 | Texas Crude Exploration, Inc. | — | 9 | 0 | 2 | — | — |
| 75 | Mesa Petroleum Co. | — | 6 | 0 | 2 | — | — |
| 76 | Thompson, J. Cleo | — | 5 | 0 | 2 | — | — |
| 77 | CR3 Operating Company, L.L.C. | — | 4 | 0 | 2 | — | — |
| 78 | Coline Oil Corp. | — | 3 | 0 | 2 | — | — |
| 79 | Hyquest Energy, Inc. | — | 3 | 0 | 2 | — | — |
| 80 | Petroleum Basins Exploration,inc | — | 3 | 0 | 2 | — | — |
| 81 | Adobe Oil Co. | — | 2 | 0 | 2 | — | — |
| 82 | Mapco Oil & Gas Company | — | 2 | 0 | 2 | — | — |
| 83 | Quantum Resources Management,llc | — | 2 | 0 | 2 | — | — |
| 84 | Voskamp Exploration, Inc. | — | 2 | 0 | 2 | — | — |
| 85 | Bridwell Oil Co. | — | 1 | 0 | 2 | — | — |
| 86 | Layton Exploration, Inc. | — | 1 | 0 | 2 | — | — |
| 87 | Mobil Producing TX. & N.M. Inc. | — | 1 | 0 | 2 | — | — |
| 88 | Southwest Royalties, Inc. | — | 1 | 0 | 2 | — | — |
| 89 | Baylor Operating LLC | — | 0 | 0 | 2 | — | — |
| 90 | CNG Producing Co.-Tulsa | — | 0 | 0 | 2 | — | — |
| 91 | Element Petroleum Operating LLC | — | 0 | 0 | 2 | — | — |
| 92 | Energy Production Corporation | — | 0 | 0 | 2 | — | — |
| 93 | H & O Operating Co | — | 0 | 0 | 2 | — | — |
| 94 | Hunter J. D. Trustee | — | 0 | 0 | 2 | — | — |
| 95 | Joplin Oil Co. Inc. | — | 0 | 0 | 2 | — | — |
| 96 | Massingill & McCutchin | — | 0 | 0 | 2 | — | — |
| 97 | Midwest O Corp& Helminck&payne | — | 0 | 0 | 2 | — | — |
| 98 | Perimeter Resource Company | — | 0 | 0 | 2 | — | — |
| 99 | Pioneer Natural Res. USA Inc. | — | 0 | 0 | 2 | — | — |
| 100 | Reverence Operating LLC | — | 0 | 0 | 2 | — | — |
| 101 | Rim Operating Inc. | — | 0 | 0 | 2 | — | — |
| 102 | Safari Production Co | — | 0 | 0 | 2 | — | — |
| 103 | Sei Operating LLC | — | 0 | 0 | 2 | — | — |
| 104 | Superior Operating Company | — | 0 | 0 | 2 | — | — |
| 105 | Vanguard Operating LLC | — | 0 | 0 | 2 | — | — |
| 106 | Vanguard Permian LLC | — | 0 | 0 | 2 | — | — |
| 107 | Trail Mountain, Inc. | — | 62 | 0 | 1 | — | — |
| 108 | Wheeler, W. Ridley, Est. | — | 30 | 0 | 1 | — | — |
| 109 | Tomlinson Oil Co., Inc. | — | 21 | 0 | 1 | — | — |
| 110 | Total Minatome Corporation | — | 21 | 0 | 1 | — | — |
| 111 | Amerada Hess Corporation | — | 18 | 0 | 1 | — | — |
| 112 | Eagle Oil & Gas Co. | — | 15 | 0 | 1 | — | — |
| 113 | Red Willow Production, LLC | — | 15 | 0 | 1 | — | — |
| 114 | Landreth, Robert E. | — | 13 | 0 | 1 | — | — |
| 115 | Sabinal Energy Operating, LLC | — | 9 | 0 | 1 | — | — |
| 116 | COG Operating LLC | — | 8 | 0 | 1 | — | — |
| 117 | Rocker a Operating Company | — | 7 | 0 | 1 | — | — |
| 118 | Santa FE Energy Resources, Inc. | — | 7 | 0 | 1 | — | — |
| 119 | Westland Oil Development Corp. | — | 5 | 0 | 1 | — | — |
| 120 | Cities Service Oil & Gas Corp. | — | 4 | 0 | 1 | — | — |
| 121 | Paladin Petroleum Corporation | — | 4 | 0 | 1 | — | — |
| 122 | Barrett Brothers Oil & Gas, Inc. | — | 3 | 0 | 1 | — | — |
| 123 | Hanson Corporation | — | 3 | 0 | 1 | — | — |
| 124 | Kilroy Company of Texas, Inc. | — | 3 | 0 | 1 | — | — |
| 125 | Parallel Petroleum Corporation | — | 3 | 0 | 1 | — | — |
| 126 | Petro Vest, Inc. | — | 3 | 0 | 1 | — | — |
| 127 | BTA Oil Producers | — | 2 | 0 | 1 | — | — |
| 128 | Crump Petroleum Corporation | — | 2 | 0 | 1 | — | — |
| 129 | Fasken Oil and Ranch, Ltd. | — | 2 | 0 | 1 | — | — |
| 130 | Hendrix, John H. Corp. | — | 2 | 0 | 1 | — | — |
| 131 | Herndon, H.W. Oil Company | — | 2 | 0 | 1 | — | — |
| 132 | Marathon Oil Company | — | 2 | 0 | 1 | — | — |
| 133 | Murphy, James & Co., Inc. | — | 2 | 0 | 1 | — | — |
| 134 | Sayers Operating Company | — | 2 | 0 | 1 | — | — |
| 135 | Stice,bonard | — | 2 | 0 | 1 | — | — |
| 136 | Alexander Energy Corporation | — | 1 | 0 | 1 | — | — |
| 137 | Breck Operating Corp. | — | 1 | 0 | 1 | — | — |
| 138 | Brigham Oil & Gas, L.P. | — | 1 | 0 | 1 | — | — |
| 139 | Cimarex Energy Co. of Colorado | — | 1 | 0 | 1 | — | — |
| 140 | Continental U S Exploration, Inc | — | 1 | 0 | 1 | — | — |
| 141 | Dinero Operating Company | — | 1 | 0 | 1 | — | — |
| 142 | Dominion Operating, LLC | — | 1 | 0 | 1 | — | — |
| 143 | Durham, Inc. | — | 1 | 0 | 1 | — | — |
| 144 | Estacado Energy, Inc. | — | 1 | 0 | 1 | — | — |
| 145 | Fivestones Energy LLC | — | 1 | 0 | 1 | — | — |
| 146 | Kennedy & Mitchell, Inc. | — | 1 | 0 | 1 | — | — |
| 147 | North American Royalties, Inc. | — | 1 | 0 | 1 | — | — |
| 148 | Pitts Energy Co. | — | 1 | 0 | 1 | — | — |
| 149 | Quintana Pet. Corp. | — | 1 | 0 | 1 | — | — |
| 150 | Red Tail Exploration, LLC | — | 1 | 0 | 1 | — | — |
| 151 | RMB Operating LLC | — | 1 | 0 | 1 | — | — |
| 152 | Samson Lone Star, LLC | — | 1 | 0 | 1 | — | — |
| 153 | Samson Resources Company | — | 1 | 0 | 1 | — | — |
| 154 | V-F Petroleum Inc. | — | 1 | 0 | 1 | — | — |
| 155 | Wagner & Brown, Ltd. | — | 1 | 0 | 1 | — | — |
| 156 | Alexander Resources Inc. | — | 0 | 0 | 1 | — | — |
| 157 | Baber Well Servicing Co. | — | 0 | 0 | 1 | — | — |
| 158 | Barnes J. C. Oil Company | — | 0 | 0 | 1 | — | — |
| 159 | Bison Petroleum Corporation | — | 0 | 0 | 1 | — | — |
| 160 | Canan Mowrey Operating LLC | — | 0 | 0 | 1 | — | — |
| 161 | Chesapeake Operating Inc. | — | 0 | 0 | 1 | — | — |
| 162 | Costilla Energy Inc. | — | 0 | 0 | 1 | — | — |
| 163 | Eclipse Petroleum Corporation | — | 0 | 0 | 1 | — | — |
| 164 | Exco Resources Inc. | — | 0 | 0 | 1 | — | — |
| 165 | Floyd Operating Company | — | 0 | 0 | 1 | — | — |
| 166 | Gilmore Shelby H. | — | 0 | 0 | 1 | — | — |
| 167 | Harvest Petroleum Partners LLC | — | 0 | 0 | 1 | — | — |
| 168 | Hatfield Sherri D. | — | 0 | 0 | 1 | — | — |
| 169 | Kaiser-Francis Oil Company | — | 0 | 0 | 1 | — | — |
| 170 | Karico GP LLC | — | 0 | 0 | 1 | — | — |
| 171 | Martin Jimmy Inc | — | 0 | 0 | 1 | — | — |
| 172 | McDonald Production LLC | — | 0 | 0 | 1 | — | — |
| 173 | McGrath & Smith | — | 0 | 0 | 1 | — | — |
| 174 | M-T Petroleum Inc. | — | 0 | 0 | 1 | — | — |
| 175 | Northstar Operating Company | — | 0 | 0 | 1 | — | — |
| 176 | Omar Operating Company | — | 0 | 0 | 1 | — | — |
| 177 | Phillips Petroleum Company | — | 0 | 0 | 1 | — | — |
| 178 | Pony Express Corporate Trust | — | 0 | 0 | 1 | — | — |
| 179 | Reata Royalties Inc. | — | 0 | 0 | 1 | — | — |
| 180 | Smith Pipe of Abilene | — | 0 | 0 | 1 | — | — |
| 181 | SSC Inc. | — | 0 | 0 | 1 | — | — |
| 182 | Tacoma Operating LLC | — | 0 | 0 | 1 | — | — |
| 183 | Tacor Resources Inc | — | 0 | 0 | 1 | — | — |
| 184 | Texaco E & P Inc. | — | 0 | 0 | 1 | — | — |
| 185 | Venture Equipment Inc. | — | 0 | 0 | 1 | — | — |
| 186 | Wheeler Operating Corporation | — | 0 | 0 | 1 | — | — |
| 187 | White Stride LLC | — | 0 | 0 | 1 | — | — |
| 188 | Wilson Systems Inc. | — | 0 | 0 | 1 | — | — |
| 189 | Wolverine Exploration Company | — | 0 | 0 | 1 | — | — |
| 190 | XOG Operating LLC | — | 0 | 0 | 1 | — | — |
| 191 | Cross Timbers Operating Company | — | 122 | 0 | 0 | — | — |
| 192 | Chevron U. S. A. Inc. | — | 100 | 0 | 0 | — | — |
| 193 | Memorial Production Oper. LLC | — | 54 | 0 | 0 | — | — |
| 194 | Devon Energy Production Co, L.P. | — | 42 | 0 | 0 | — | — |
| 195 | Wheeler Properties | — | 35 | 0 | 0 | — | — |
| 196 | Stanolind Operating LLC | — | 28 | 0 | 0 | — | — |
| 197 | Cambrian Management, Ltd. | — | 20 | 0 | 0 | — | — |
| 198 | W&T Offshore, Inc. | — | 20 | 0 | 0 | — | — |
| 199 | Trinity EOR, LLC | — | 19 | 0 | 0 | — | — |
| 200 | L & B Oil Co. Inc. | — | 16 | 0 | 0 | — | — |
| 201 | American Quasar Petroleum Co. | — | 15 | 0 | 0 | — | — |
| 202 | Caravelle Inc. | — | 15 | 0 | 0 | — | — |
| 203 | Manhattan Petroleum, Inc. | — | 15 | 0 | 0 | — | — |
| 204 | Mapco Production Company | — | 14 | 0 | 0 | — | — |
| 205 | Wiser Oil Company, The | — | 14 | 0 | 0 | — | — |
| 206 | Gruy Petroleum Management Co. | — | 13 | 0 | 0 | — | — |
| 207 | Lacy & Byrd, Inc. | — | 13 | 0 | 0 | — | — |
| 208 | Altura Energy Ltd. | — | 11 | 0 | 0 | — | — |
| 209 | Pennzoil Exploration & Prod. Co. | — | 10 | 0 | 0 | — | — |
| 210 | BP America Production Company | — | 9 | 0 | 0 | — | — |
| 211 | Coastal Oil & Gas Corporation | — | 9 | 0 | 0 | — | — |
| 212 | Cities Service Company | — | 8 | 0 | 0 | — | — |
| 213 | Sandridge Tertiary, LLC | — | 8 | 0 | 0 | — | — |
| 214 | Fuller Operating Company | — | 7 | 0 | 0 | — | — |
| 215 | Houston Oil & Minerals Corp. | — | 7 | 0 | 0 | — | — |
| 216 | Parker & Parsley Development L.P | — | 6 | 0 | 0 | — | — |
| 217 | Producers Operating Co., Inc. | — | 6 | 0 | 0 | — | — |
| 218 | Forest Oil Corp. | — | 5 | 0 | 0 | — | — |
| 219 | Kewanee Oil Company | — | 5 | 0 | 0 | — | — |
| 220 | Ladd Petroleum Corp. | — | 5 | 0 | 0 | — | — |
| 221 | Maralo, Inc. | — | 5 | 0 | 0 | — | — |
| 222 | Markay Oil & Gas Company | — | 5 | 0 | 0 | — | — |
| 223 | Nearburg Producing Company | — | 5 | 0 | 0 | — | — |
| 224 | Renaud Oil Corporation | — | 5 | 0 | 0 | — | — |
| 225 | Santa FE Snyder Corporation | — | 5 | 0 | 0 | — | — |
| 226 | Union Oil Company of California | — | 5 | 0 | 0 | — | — |
| 227 | Willow Creek Resources, Inc. | — | 5 | 0 | 0 | — | — |
| 228 | Yates, Harvey E. Co. | — | 5 | 0 | 0 | — | — |
| 229 | American Cometra, Inc. | — | 4 | 0 | 0 | — | — |
| 230 | Arco Oil & Gas Co. | — | 4 | 0 | 0 | — | — |
| 231 | Blue Ridge Resources, LLC | — | 4 | 0 | 0 | — | — |
| 232 | Chisos Operating, Inc. | — | 4 | 0 | 0 | — | — |
| 233 | Conquest Exploration Company | — | 4 | 0 | 0 | — | — |
| 234 | Gaea Services, Inc. | — | 4 | 0 | 0 | — | — |
| 235 | Getty Oil Co. | — | 4 | 0 | 0 | — | — |
| 236 | Kenai Oil and Gas Inc. | — | 4 | 0 | 0 | — | — |
| 237 | Petrosource Production Co. L.P. | — | 4 | 0 | 0 | — | — |
| 238 | Sun Expl. & Prod. Co.-Midland | — | 4 | 0 | 0 | — | — |
| 239 | Texon Oil Company, Inc. | — | 4 | 0 | 0 | — | — |
| 240 | TXO Production Corp. | — | 4 | 0 | 0 | — | — |
| 241 | Amarala Petroleum Inc. | — | 3 | 0 | 0 | — | — |
| 242 | MGF Oil Corporation | — | 3 | 0 | 0 | — | — |
| 243 | Newport Petroleums, Inc. | — | 3 | 0 | 0 | — | — |
| 244 | Pennzoil Company | — | 3 | 0 | 0 | — | — |
| 245 | Perdure Petroleum LLC | — | 3 | 0 | 0 | — | — |
| 246 | Pogo Producing Co. | — | 3 | 0 | 0 | — | — |
| 247 | Snyder Oil Corporation | — | 3 | 0 | 0 | — | — |
| 248 | Trobaugh, Allen K. | — | 3 | 0 | 0 | — | — |
| 249 | Williamson, J C & Underwood, D W | — | 3 | 0 | 0 | — | — |
| 250 | Baytech, Inc. | — | 2 | 0 | 0 | — | — |
| 251 | Brown, H. L., Jr. | — | 2 | 0 | 0 | — | — |
| 252 | Capstone Natural Res II, LLC | — | 2 | 0 | 0 | — | — |
| 253 | C & F Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 254 | Champlin Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 255 | Citation Oil & Gas Corp. | — | 2 | 0 | 0 | — | — |
| 256 | Collins & Ware, Inc. | — | 2 | 0 | 0 | — | — |
| 257 | Columbia Gas Development Corp. | — | 2 | 0 | 0 | — | — |
| 258 | Cometra Oil and Gas, Inc. | — | 2 | 0 | 0 | — | — |
| 259 | Depco, Inc. | — | 2 | 0 | 0 | — | — |
| 260 | Energy Production Co. | — | 2 | 0 | 0 | — | — |
| 261 | Enserch Exploration, Inc | — | 2 | 0 | 0 | — | — |
| 262 | Halbouty, Michel T. Energy Co. | — | 2 | 0 | 0 | — | — |
| 263 | Hrubetz Oil Company | — | 2 | 0 | 0 | — | — |
| 264 | Jem Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 265 | Kerr-McGee Corporation | — | 2 | 0 | 0 | — | — |
| 266 | Klabzuba Operating Company | — | 2 | 0 | 0 | — | — |
| 267 | Little Oil & Gas, Inc. | — | 2 | 0 | 0 | — | — |
| 268 | Logue and Patterson Inc. | — | 2 | 0 | 0 | — | — |
| 269 | Louisiana-Hunt Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 270 | Meadco Properties | — | 2 | 0 | 0 | — | — |
| 271 | Mendenhall, R.A. Associates, Ltd | — | 2 | 0 | 0 | — | — |
| 272 | Midland Res. Oper. Co., Inc. | — | 2 | 0 | 0 | — | — |
| 273 | Mobil Oil Corporation | — | 2 | 0 | 0 | — | — |
| 274 | Monsanto Company | — | 2 | 0 | 0 | — | — |
| 275 | Patrick Pet. Corp. of Michigan | — | 2 | 0 | 0 | — | — |
| 276 | Petro Vest,inc-Contl US Expl Inc | — | 2 | 0 | 0 | — | — |
| 277 | Samson Lone Star LP | — | 2 | 0 | 0 | — | — |
| 278 | Seagull Midcon Inc. | — | 2 | 0 | 0 | — | — |
| 279 | Shell Oil Company | — | 2 | 0 | 0 | — | — |
| 280 | Shell Western E&P | — | 2 | 0 | 0 | — | — |
| 281 | Sproul, C. R. Inc. | — | 2 | 0 | 0 | — | — |
| 282 | Sterling Production | — | 2 | 0 | 0 | — | — |
| 283 | Triton Oil & Gas Corp. | — | 2 | 0 | 0 | — | — |
| 284 | Viking Exploration, Inc. | — | 2 | 0 | 0 | — | — |
| 285 | Walsh Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 286 | Westport Oil and Gas Company, LP | — | 2 | 0 | 0 | — | — |
| 287 | A a Production Inc. | — | 1 | 0 | 0 | — | — |
| 288 | Adkins, R. L. Corp. | — | 1 | 0 | 0 | — | — |
| 289 | American Energy Operations Inc. | — | 1 | 0 | 0 | — | — |
| 290 | American Petrofina Co. of Tex. | — | 1 | 0 | 0 | — | — |
| 291 | Anschutz Exploration Corporation | — | 1 | 0 | 0 | — | — |
| 292 | Aratex Production Company | — | 1 | 0 | 0 | — | — |
| 293 | Arco Permian | — | 1 | 0 | 0 | — | — |
| 294 | Atapco | — | 1 | 0 | 0 | — | — |
| 295 | Austex Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 296 | Ballard Exploration Company,inc. | — | 1 | 0 | 0 | — | — |
| 297 | Bass Enterprises Production Co. | — | 1 | 0 | 0 | — | — |
| 298 | BC Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 299 | Bliss Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 300 | Brazos Petroleum Co. | — | 1 | 0 | 0 | — | — |