| 1 | Headington Energy Partners, LLC | 2 | 24 | 2 | 12 | Sep 18, 2026 | Sep 23, 2026 |
| 2 | Cimarron Engineering, LLC | 1 | 1 | 0 | 0 | Jul 31, 2026 | Jul 31, 2026 |
| 3 | Exxon Corp. | — | 2,812 | 0 | 1,086 | — | — |
| 4 | EOG Resources, Inc. | — | 168 | 0 | 454 | — | — |
| 5 | Exxon Mobil Corporation | — | 142 | 0 | 172 | — | — |
| 6 | Winn Exploration Co. Inc. | — | 0 | 0 | 170 | — | — |
| 7 | Sun Expl. & Prod. Co.-Corpus | — | 61 | 0 | 81 | — | — |
| 8 | Remora Operating LLC | — | 0 | 0 | 50 | — | — |
| 9 | Humble Oil & Refining Co. | — | 0 | 0 | 35 | — | — |
| 10 | Logas Energy, LLC | — | 1 | 0 | 34 | — | — |
| 11 | Sue-Ann Operating, L.C. | — | 1 | 0 | 20 | — | — |
| 12 | Union Pacific Resources Company | — | 79 | 0 | 19 | — | — |
| 13 | Roy Jackson Energy Operating LL | — | 0 | 0 | 19 | — | — |
| 14 | Champlin Petroleum Co. | — | 48 | 0 | 17 | — | — |
| 15 | Pickens Company, Inc., The | — | 42 | 0 | 17 | — | — |
| 16 | Dewbre Petroleum Corporation | — | 25 | 0 | 17 | — | — |
| 17 | Cities Service Oil Co. | — | 0 | 0 | 17 | — | — |
| 18 | Sun Exploration & Production Co. | — | 44 | 0 | 15 | — | — |
| 19 | Oryx Energy Company | — | 102 | 0 | 12 | — | — |
| 20 | Lamay Corporation | — | 5 | 0 | 11 | — | — |
| 21 | Apache Corporation | — | 17 | 0 | 10 | — | — |
| 22 | Forest Oil Corporation | — | 8 | 0 | 8 | — | — |
| 23 | Mokeen Oil Company | — | 2 | 0 | 8 | — | — |
| 24 | Fina Oil & Chemical Company | — | 28 | 0 | 7 | — | — |
| 25 | Modena Operating LLC | — | 4 | 0 | 7 | — | — |
| 26 | API Operating Co. | — | 2 | 0 | 7 | — | — |
| 27 | Triad Energy Corporation | — | 1 | 0 | 7 | — | — |
| 28 | Pearl Bill H. Productions Inc. | — | 0 | 0 | 7 | — | — |
| 29 | Enterprise Royalty, Inc. | — | 17 | 0 | 6 | — | — |
| 30 | TXO Production Corp. | — | 4 | 0 | 5 | — | — |
| 31 | Coastal States Gas Prod. Co. | — | 0 | 0 | 5 | — | — |
| 32 | Forbes John Operating | — | 0 | 0 | 5 | — | — |
| 33 | Jetta Operating Company Inc. | — | 0 | 0 | 5 | — | — |
| 34 | Property Development Group, Inc. | — | 10 | 0 | 4 | — | — |
| 35 | Magnum Producing, LP | — | 5 | 0 | 4 | — | — |
| 36 | OXY USA Inc. | — | 3 | 0 | 4 | — | — |
| 37 | Hilcorp Energy Company | — | 1 | 0 | 4 | — | — |
| 38 | Finaly Resources LLC | — | 0 | 0 | 4 | — | — |
| 39 | Headington Oil Company LLC | — | 0 | 0 | 4 | — | — |
| 40 | McMoran Production Co. | — | 0 | 0 | 4 | — | — |
| 41 | Tejas Petroleum Resources LLC | — | 0 | 0 | 4 | — | — |
| 42 | Urban Oil & Gas Group LLC | — | 0 | 0 | 4 | — | — |
| 43 | Wainoco Oil & Gas Company | — | 23 | 0 | 3 | — | — |
| 44 | Dinero Oil Corporation | — | 10 | 0 | 3 | — | — |
| 45 | Maguire Oil Company | — | 10 | 0 | 3 | — | — |
| 46 | Texas Oil & Gas Corp. | — | 5 | 0 | 3 | — | — |
| 47 | Cities Service Company | — | 4 | 0 | 3 | — | — |
| 48 | Hawley, John B., Jr. Trust No. 1 | — | 3 | 0 | 3 | — | — |
| 49 | Adams Robert L. | — | 0 | 0 | 3 | — | — |
| 50 | Chevron Oil Co the Calif Co Div | — | 0 | 0 | 3 | — | — |
| 51 | Clarkwood Equipment Company | — | 0 | 0 | 3 | — | — |
| 52 | Kleberg Sequestration Hub LLC | — | 0 | 0 | 3 | — | — |
| 53 | Operator P-5 Not on File | — | 0 | 0 | 3 | — | — |
| 54 | EL Paso Production Oil & Gas Co. | — | 49 | 0 | 2 | — | — |
| 55 | BNP Petroleum Corporation | — | 32 | 0 | 2 | — | — |
| 56 | Suemaur Expl. & Prod., LLC | — | 12 | 0 | 2 | — | — |
| 57 | Paladin Petroleum III, L.L.C. | — | 9 | 0 | 2 | — | — |
| 58 | Corpus Christi Oil & Gas Co. | — | 8 | 0 | 2 | — | — |
| 59 | Kindee Oil & Gas Texas, LLC | — | 5 | 0 | 2 | — | — |
| 60 | Coastal Oil & Gas Corporation | — | 4 | 0 | 2 | — | — |
| 61 | Price Drilling & Exploration Co. | — | 4 | 0 | 2 | — | — |
| 62 | L & F Drilling Co., Inc. (1) | — | 3 | 0 | 2 | — | — |
| 63 | McMoran Exploration Co. | — | 3 | 0 | 2 | — | — |
| 64 | Northern Pump Company | — | 3 | 0 | 2 | — | — |
| 65 | Southern Resource Company | — | 3 | 0 | 2 | — | — |
| 66 | Chevron U. S. A. Inc. | — | 2 | 0 | 2 | — | — |
| 67 | Texaco Inc. | — | 2 | 0 | 2 | — | — |
| 68 | G/O International, Inc. | — | 1 | 0 | 2 | — | — |
| 69 | Midway Oil Corp. | — | 1 | 0 | 2 | — | — |
| 70 | Burns Trust #2 | — | 0 | 0 | 2 | — | — |
| 71 | Cooper Oil Investments | — | 0 | 0 | 2 | — | — |
| 72 | EOG (Texas) Inc. | — | 0 | 0 | 2 | — | — |
| 73 | Forister W. P. | — | 0 | 0 | 2 | — | — |
| 74 | Hawley John B. Jr. | — | 0 | 0 | 2 | — | — |
| 75 | K.C. Resources | — | 0 | 0 | 2 | — | — |
| 76 | Kedco Management Corp. | — | 0 | 0 | 2 | — | — |
| 77 | Minnetonka Exploration Inc. | — | 0 | 0 | 2 | — | — |
| 78 | Plantation Oil Company | — | 0 | 0 | 2 | — | — |
| 79 | Sun Oil Company-McAllen | — | 0 | 0 | 2 | — | — |
| 80 | Totalfinaelf E&P USA Inc | — | 0 | 0 | 2 | — | — |
| 81 | Whitestone Corporation | — | 0 | 0 | 2 | — | — |
| 82 | Manti Operating Company | — | 16 | 0 | 1 | — | — |
| 83 | Merit Energy Company | — | 10 | 0 | 1 | — | — |
| 84 | Cities Service Oil & Gas Corp. | — | 8 | 0 | 1 | — | — |
| 85 | American Petrofina Co. of Tex. | — | 6 | 0 | 1 | — | — |
| 86 | C-K Resources, Inc. | — | 6 | 0 | 1 | — | — |
| 87 | Windrush Operating Co., L.L.C. | — | 6 | 0 | 1 | — | — |
| 88 | Collins & Ware, Inc. | — | 4 | 0 | 1 | — | — |
| 89 | Omni Operating Company | — | 4 | 0 | 1 | — | — |
| 90 | Rader Oil Company | — | 4 | 0 | 1 | — | — |
| 91 | LA Parrita Oil & Gas, Inc. | — | 3 | 0 | 1 | — | — |
| 92 | Sutton Producing Corp. | — | 3 | 0 | 1 | — | — |
| 93 | Anderson Oil Ltd | — | 2 | 0 | 1 | — | — |
| 94 | Gierhart, B. J. Inc. | — | 2 | 0 | 1 | — | — |
| 95 | Hamill Resources, Inc. | — | 2 | 0 | 1 | — | — |
| 96 | Maclane Gas Company L.P. | — | 2 | 0 | 1 | — | — |
| 97 | Mueller Engineering Corp. | — | 2 | 0 | 1 | — | — |
| 98 | North Padre Explor. Venture LLC | — | 2 | 0 | 1 | — | — |
| 99 | Kling, Inc. | — | 1 | 0 | 1 | — | — |
| 100 | L & F Drilling Co. | — | 1 | 0 | 1 | — | — |
| 101 | Shallow Sands Gas Corporation | — | 1 | 0 | 1 | — | — |
| 102 | Accidie Exploration and Dev. Inc | — | 0 | 0 | 1 | — | — |
| 103 | Alice Production Company | — | 0 | 0 | 1 | — | — |
| 104 | Anadarko E&P Company LP | — | 0 | 0 | 1 | — | — |
| 105 | Bell Kelly | — | 0 | 0 | 1 | — | — |
| 106 | Bellows Operating Co. L. C. | — | 0 | 0 | 1 | — | — |
| 107 | Blue Wing Energy Inc. | — | 0 | 0 | 1 | — | — |
| 108 | Burns Operating | — | 0 | 0 | 1 | — | — |
| 109 | Cameo Minerals Inc. | — | 0 | 0 | 1 | — | — |
| 110 | Carrl Oil | — | 0 | 0 | 1 | — | — |
| 111 | Century Pet. & Weiner Ted O.P. | — | 0 | 0 | 1 | — | — |
| 112 | Clinton Oil Co. | — | 0 | 0 | 1 | — | — |
| 113 | Convest Energy Corporation | — | 0 | 0 | 1 | — | — |
| 114 | Cox Edwin L. | — | 0 | 0 | 1 | — | — |
| 115 | Crown Central Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 116 | Davis Wm. K. | — | 0 | 0 | 1 | — | — |
| 117 | EL Paso E & P Company L. P. | — | 0 | 0 | 1 | — | — |
| 118 | Energy Reserves Group Inc. | — | 0 | 0 | 1 | — | — |
| 119 | Fuller Petroleum Inc. | — | 0 | 0 | 1 | — | — |
| 120 | Gasper Rice Resources Ltd. | — | 0 | 0 | 1 | — | — |
| 121 | Geodynamics Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 122 | Ginther N.C. Contract Operator | — | 0 | 0 | 1 | — | — |
| 123 | Hamilton Oil Inc. | — | 0 | 0 | 1 | — | — |
| 124 | Lamb Oil and Gas | — | 0 | 0 | 1 | — | — |
| 125 | Marwell Petroleum Inc. | — | 0 | 0 | 1 | — | — |
| 126 | McCord Production Ltd. | — | 0 | 0 | 1 | — | — |
| 127 | Milagro Exploration LLC | — | 0 | 0 | 1 | — | — |
| 128 | Mountain V Texas LLC | — | 0 | 0 | 1 | — | — |
| 129 | Nadsoilco LLC | — | 0 | 0 | 1 | — | — |
| 130 | Ruwco Oil and Gas Corp. | — | 0 | 0 | 1 | — | — |
| 131 | Sheridan Production Company LLC | — | 0 | 0 | 1 | — | — |
| 132 | Trinity Gas Corporation | — | 0 | 0 | 1 | — | — |
| 133 | Turnbull & Zoch Drlg. Co. | — | 0 | 0 | 1 | — | — |
| 134 | Viking Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 135 | Wagner Duer & Co. | — | 0 | 0 | 1 | — | — |
| 136 | Wagner Oil Company | — | 0 | 0 | 1 | — | — |
| 137 | Whitson James A. Jr. | — | 0 | 0 | 1 | — | — |
| 138 | Houston Exploration Company, The | — | 14 | 0 | 0 | — | — |
| 139 | Texas Eastern Transmission, LP | — | 13 | 0 | 0 | — | — |
| 140 | Cimarex Energy Co. | — | 8 | 0 | 0 | — | — |
| 141 | Headington Oil Company, L.P. | — | 8 | 0 | 0 | — | — |
| 142 | Kerr-McGee Oil & Gas Onshore LLC | — | 7 | 0 | 0 | — | — |
| 143 | Becker & G/O International Inc. | — | 6 | 0 | 0 | — | — |
| 144 | Harwood Exploration, Inc. | — | 6 | 0 | 0 | — | — |
| 145 | Hubco Exploration Inc. | — | 6 | 0 | 0 | — | — |
| 146 | Transcontinental Gas P.L. Co,llc | — | 6 | 0 | 0 | — | — |
| 147 | Kebo Oil & Gas, Inc. | — | 5 | 0 | 0 | — | — |
| 148 | OXY Low Carbon Ventures, LLC | — | 5 | 0 | 0 | — | — |
| 149 | Black Gold Operating Co., Inc. | — | 4 | 0 | 0 | — | — |
| 150 | Durst Energy Corporation | — | 4 | 0 | 0 | — | — |
| 151 | Genesis Petroleum Corporation | — | 4 | 0 | 0 | — | — |
| 152 | Mission River Systems, Inc. | — | 4 | 0 | 0 | — | — |
| 153 | Bright & Co. | — | 3 | 0 | 0 | — | — |
| 154 | Galaxy Oil Co. & Hamill, Claud B | — | 3 | 0 | 0 | — | — |
| 155 | HNG Oil Company | — | 3 | 0 | 0 | — | — |
| 156 | Houston Oil & Minerals Corp. | — | 3 | 0 | 0 | — | — |
| 157 | McCord Exploration Co. | — | 3 | 0 | 0 | — | — |
| 158 | North American Production Co. | — | 3 | 0 | 0 | — | — |
| 159 | Novus Oil & Gas, LP | — | 3 | 0 | 0 | — | — |
| 160 | Peninsula Resources Corp. | — | 3 | 0 | 0 | — | — |
| 161 | Pmo | — | 3 | 0 | 0 | — | — |
| 162 | Texas Eastern Transmission Corp. | — | 3 | 0 | 0 | — | — |
| 163 | Amoco Production Company | — | 2 | 0 | 0 | — | — |
| 164 | Becker, B. A. | — | 2 | 0 | 0 | — | — |
| 165 | Boss Operating Company, LLC | — | 2 | 0 | 0 | — | — |
| 166 | Coral Petroleum Development Inc. | — | 2 | 0 | 0 | — | — |
| 167 | CPC Exploration Inc. | — | 2 | 0 | 0 | — | — |
| 168 | Double Eagle Drilling Co. | — | 2 | 0 | 0 | — | — |
| 169 | Enserch Exploration, Inc | — | 2 | 0 | 0 | — | — |
| 170 | Erskine Operating LLC | — | 2 | 0 | 0 | — | — |
| 171 | Esenjay Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 172 | Gastrans Inc. | — | 2 | 0 | 0 | — | — |
| 173 | Hawn Brothers Company | — | 2 | 0 | 0 | — | — |
| 174 | Huisache Operating Co. | — | 2 | 0 | 0 | — | — |
| 175 | Inexco Oil Company | — | 2 | 0 | 0 | — | — |
| 176 | Inland Ocean, Inc. | — | 2 | 0 | 0 | — | — |
| 177 | Kelsey, Henry B. | — | 2 | 0 | 0 | — | — |
| 178 | Kerr-McGee Corporation | — | 2 | 0 | 0 | — | — |
| 179 | Lewis Energy Corp. | — | 2 | 0 | 0 | — | — |
| 180 | Manley, John D. III | — | 2 | 0 | 0 | — | — |
| 181 | McCormick-Hamill | — | 2 | 0 | 0 | — | — |
| 182 | Omni-Exploration, Inc. | — | 2 | 0 | 0 | — | — |
| 183 | Samedan Oil Corporation | — | 2 | 0 | 0 | — | — |
| 184 | Smith Production Inc. | — | 2 | 0 | 0 | — | — |
| 185 | Texas General Petr. Corp. | — | 2 | 0 | 0 | — | — |
| 186 | Zinn Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 187 | Abraxas Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 188 | Abraxas Production Corporation | — | 1 | 0 | 0 | — | — |
| 189 | Alamo Pet. Co. | — | 1 | 0 | 0 | — | — |
| 190 | Alpine Exploration Co, Inc. | — | 1 | 0 | 0 | — | — |
| 191 | Andrews Exploration Inc. | — | 1 | 0 | 0 | — | — |
| 192 | Ashland Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 193 | Bellows, Dewey Oper. Co., Ltd. | — | 1 | 0 | 0 | — | — |
| 194 | Bishop, R. H. | — | 1 | 0 | 0 | — | — |
| 195 | Bluefin Resources LLC | — | 1 | 0 | 0 | — | — |
| 196 | Boss Expl & Prod Corporation | — | 1 | 0 | 0 | — | — |
| 197 | Brayton Oil Corp. | — | 1 | 0 | 0 | — | — |
| 198 | Camden Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 199 | Carl Oil & Gas Inc. | — | 1 | 0 | 0 | — | — |
| 200 | Carl, W. E.-Hawn Bros. | — | 1 | 0 | 0 | — | — |
| 201 | Carter Exploration Company | — | 1 | 0 | 0 | — | — |
| 202 | Cimarron Engineering Corp. | — | 1 | 0 | 0 | — | — |
| 203 | Cinco Natural Resources Corp. | — | 1 | 0 | 0 | — | — |
| 204 | Collins Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 205 | Colorado Henderson Pet. Corp. | — | 1 | 0 | 0 | — | — |
| 206 | Davis Oil Company | — | 1 | 0 | 0 | — | — |
| 207 | D.Y. Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 208 | Enron Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 209 | EP Operating Limited Partnership | — | 1 | 0 | 0 | — | — |
| 210 | Exxon Co., U.S.A. | — | 1 | 0 | 0 | — | — |
| 211 | Exxonmobil Pipeline Company | — | 1 | 0 | 0 | — | — |
| 212 | Fargo Trading & Warrior Mgmt. Co | — | 1 | 0 | 0 | — | — |
| 213 | Farrow, Mart Oil Operator | — | 1 | 0 | 0 | — | — |
| 214 | Force 5 Energy, LLC | — | 1 | 0 | 0 | — | — |
| 215 | Galaxy Oil Company | — | 1 | 0 | 0 | — | — |
| 216 | Genesis Producing Company | — | 1 | 0 | 0 | — | — |
| 217 | Geodominion Petroleum | — | 1 | 0 | 0 | — | — |
| 218 | Getty Oil Co. | — | 1 | 0 | 0 | — | — |
| 219 | Goldking Prod. Co. | — | 1 | 0 | 0 | — | — |
| 220 | Gordon & Pope Machinery Co. | — | 1 | 0 | 0 | — | — |
| 221 | Hada, J. L., Jr. | — | 1 | 0 | 0 | — | — |
| 222 | Hamill, Claud B. | — | 1 | 0 | 0 | — | — |
| 223 | Hawkins, H. L., Jr. | — | 1 | 0 | 0 | — | — |
| 224 | Jando Operating Co. | — | 1 | 0 | 0 | — | — |
| 225 | KCS Medallion Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 226 | Keene, Roy J. Jr. | — | 1 | 0 | 0 | — | — |
| 227 | Kelly Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 228 | Llog Exploration Texas, L.P. | — | 1 | 0 | 0 | — | — |
| 229 | Lovelady, I. W. | — | 1 | 0 | 0 | — | — |
| 230 | Manti Exploration Operating LLC | — | 1 | 0 | 0 | — | — |
| 231 | Marxco, Inc. | — | 1 | 0 | 0 | — | — |
| 232 | McMoran-Transco Expl.co. | — | 1 | 0 | 0 | — | — |
| 233 | Milestone Petroleum Inc. | — | 1 | 0 | 0 | — | — |
| 234 | Mitchell Energy Corporation | — | 1 | 0 | 0 | — | — |
| 235 | Mormac Energy Corporation | — | 1 | 0 | 0 | — | — |
| 236 | Mosbacher Production Co. | — | 1 | 0 | 0 | — | — |
| 237 | Nelson & Tucker Operating Co. | — | 1 | 0 | 0 | — | — |
| 238 | Oatman, W. W. | — | 1 | 0 | 0 | — | — |
| 239 | Penn Virginia Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 240 | Progas Operating, Inc | — | 1 | 0 | 0 | — | — |
| 241 | Ricardo Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 242 | R. W. S. Production, Inc. | — | 1 | 0 | 0 | — | — |
| 243 | Seadrift Pipeline Corporation | — | 1 | 0 | 0 | — | — |
| 244 | Shell Oil Company | — | 1 | 0 | 0 | — | — |
| 245 | Simbro, Inc. | — | 1 | 0 | 0 | — | — |
| 246 | Suemaur Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 247 | Sun Expl. & Prod. Co.-Houston | — | 1 | 0 | 0 | — | — |
| 248 | Tennessee Gas Pipeline Co. | — | 1 | 0 | 0 | — | — |
| 249 | Texas Fuel Company | — | 1 | 0 | 0 | — | — |
| 250 | Trafalgar House Oil and Gas Inc. | — | 1 | 0 | 0 | — | — |
| 251 | Tucker Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 252 | Tuthill & Barbee | — | 1 | 0 | 0 | — | — |
| 253 | Valero Transmission, L. P. | — | 1 | 0 | 0 | — | — |
| 254 | Warrior Management Co. | — | 1 | 0 | 0 | — | — |
| 255 | White Oak Operating Company LLC | — | 1 | 0 | 0 | — | — |
| 256 | Winn Exploration Co., Inc. | — | 1 | 0 | 0 | — | — |
| 257 | Zilkha Energy Company | — | 1 | 0 | 0 | — | — |