| 1 | Enhanced Energy Partners Corp | 68 | 157 | 0 | 179 | Jan 20, 2017 | Sep 21, 2026 |
| 2 | Verdun Oil & Gas LLC | 22 | 22 | 22 | 10 | May 31, 2019 | Sep 17, 2026 |
| 3 | Strand Energy, L.C. | 4 | 17 | 0 | 17 | Jun 5, 2018 | Aug 30, 2024 |
| 4 | Texegy Operating Company LLC | 3 | 5 | 0 | 1 | May 9, 2018 | May 31, 2019 |
| 5 | Carr Resources, Inc. | 3 | 3 | 3 | 1 | Jul 30, 2019 | Nov 28, 2022 |
| 6 | Bear Creek Energy, LLC | 1 | 1 | 0 | 22 | Oct 26, 2026 | Oct 26, 2026 |
| 7 | Magnum Producing, LP | 1 | 24 | 0 | 11 | Apr 3, 2023 | Apr 3, 2023 |
| 8 | Cochran Energy, LLC | 1 | 3 | 0 | 0 | Jul 17, 2018 | Jul 17, 2018 |
| 9 | Square Mile Energy, L.L.C. | 1 | 3 | 0 | 0 | Aug 30, 2018 | Aug 30, 2018 |
| 10 | Ironroc Energy | 1 | 1 | 1 | 0 | Nov 28, 2022 | Nov 28, 2022 |
| 11 | Mvu Brazos Corp. | 1 | 1 | 0 | 0 | Jan 13, 2020 | Jan 13, 2020 |
| 12 | Zinn Petroleum Co. | — | 0 | 0 | 154 | — | — |
| 13 | Mid-Gulf, Inc. | — | 6 | 0 | 90 | — | — |
| 14 | Exxon Corp. | — | 288 | 0 | 81 | — | — |
| 15 | Jamex, Inc. | — | 20 | 0 | 22 | — | — |
| 16 | Dome Operating LLC | — | 0 | 0 | 17 | — | — |
| 17 | Etoco, L.P. | — | 5 | 0 | 13 | — | — |
| 18 | Pomykal, Verde Oil Co | — | 4 | 0 | 13 | — | — |
| 19 | Magnolia Oil & Gas Operating LLC | — | 0 | 0 | 13 | — | — |
| 20 | Falcon Seaboard Drlg. Co. | — | 0 | 0 | 12 | — | — |
| 21 | Orx Resources L.L.C. | — | 0 | 0 | 12 | — | — |
| 22 | Prairie Producing Company | — | 15 | 0 | 9 | — | — |
| 23 | Atapco | — | 12 | 0 | 9 | — | — |
| 24 | Sun Exploration & Production Co. | — | 1 | 0 | 9 | — | — |
| 25 | Tema Oil and Gas Company | — | 7 | 0 | 7 | — | — |
| 26 | Chevron U. S. A. Inc. | — | 2 | 0 | 7 | — | — |
| 27 | Pomykal Joe | — | 0 | 0 | 7 | — | — |
| 28 | Redbud E & P Inc. | — | 0 | 0 | 7 | — | — |
| 29 | Samson Resources Company | — | 13 | 0 | 6 | — | — |
| 30 | Magnum Producing & Operating Co. | — | 21 | 0 | 5 | — | — |
| 31 | Elliott Oil & Gas Operating Co. | — | 12 | 0 | 5 | — | — |
| 32 | A.R.D. | — | 0 | 0 | 5 | — | — |
| 33 | Buie-Turnbow Operators | — | 0 | 0 | 5 | — | — |
| 34 | GS & B Oil & Gas Co. | — | 0 | 0 | 5 | — | — |
| 35 | Humble Oil & Refining Co. | — | 0 | 0 | 5 | — | — |
| 36 | Shell Oil Company | — | 1 | 0 | 4 | — | — |
| 37 | Scurlock Oil Company | — | 0 | 0 | 4 | — | — |
| 38 | T-N-T Engineering, Inc. | — | 20 | 0 | 3 | — | — |
| 39 | Ranger Oil Company | — | 13 | 0 | 3 | — | — |
| 40 | Amax Petroleum Corporation | — | 9 | 0 | 3 | — | — |
| 41 | Geosouthern Energy Corporation | — | 9 | 0 | 3 | — | — |
| 42 | Famcor Oil, Inc | — | 8 | 0 | 3 | — | — |
| 43 | Phillips Petroleum Company | — | 4 | 0 | 3 | — | — |
| 44 | Hahn Theo | — | 0 | 0 | 3 | — | — |
| 45 | Mobil Producing TX. & N.M. Inc. | — | 0 | 0 | 3 | — | — |
| 46 | Pomykal Frank G. | — | 0 | 0 | 3 | — | — |
| 47 | Shamrock Oil Co. | — | 57 | 0 | 2 | — | — |
| 48 | Sandalwood Exploration, L.P. | — | 27 | 0 | 2 | — | — |
| 49 | Anadarko E&P Company LP | — | 14 | 0 | 2 | — | — |
| 50 | Elliott Oil & Gas Company | — | 11 | 0 | 2 | — | — |
| 51 | R.T.C. Resources, L.P. | — | 8 | 0 | 2 | — | — |
| 52 | TXO Production Corp. | — | 5 | 0 | 2 | — | — |
| 53 | Goodrich Petroleum Company | — | 4 | 0 | 2 | — | — |
| 54 | Merit Energy Company | — | 4 | 0 | 2 | — | — |
| 55 | Damson Oil Corp. | — | 2 | 0 | 2 | — | — |
| 56 | Marathon Oil Company | — | 2 | 0 | 2 | — | — |
| 57 | Co-Kal Oil Company | — | 1 | 0 | 2 | — | — |
| 58 | Lone Oak Energy Inc | — | 1 | 0 | 2 | — | — |
| 59 | American Trading & Prod. Corp. | — | 0 | 0 | 2 | — | — |
| 60 | Fort Apache Energy Inc. | — | 0 | 0 | 2 | — | — |
| 61 | French L. D. | — | 0 | 0 | 2 | — | — |
| 62 | Union Pacific Resources Company | — | 30 | 0 | 1 | — | — |
| 63 | Alamo Pet. Co. | — | 18 | 0 | 1 | — | — |
| 64 | SV Energy Company, LLC | — | 11 | 0 | 1 | — | — |
| 65 | Dorchester Exploration, Inc. | — | 9 | 0 | 1 | — | — |
| 66 | Comet Oil & Gas, Inc. | — | 7 | 0 | 1 | — | — |
| 67 | Lone Wolf Operating Company | — | 7 | 0 | 1 | — | — |
| 68 | Placid Oil Company | — | 6 | 0 | 1 | — | — |
| 69 | Anschutz Corporation, The | — | 5 | 0 | 1 | — | — |
| 70 | Costilla Energy, Inc. | — | 5 | 0 | 1 | — | — |
| 71 | HS Resources, Inc. | — | 4 | 0 | 1 | — | — |
| 72 | Millican Oil Company | — | 4 | 0 | 1 | — | — |
| 73 | Convest Energy Corporation | — | 3 | 0 | 1 | — | — |
| 74 | Indexgeo & Associates, Inc. | — | 3 | 0 | 1 | — | — |
| 75 | Westpark Petroleum, Inc. | — | 3 | 0 | 1 | — | — |
| 76 | Chesapeake Operating, Inc. | — | 2 | 0 | 1 | — | — |
| 77 | Geiser Operating, Inc. | — | 2 | 0 | 1 | — | — |
| 78 | Hilliard Oil & Gas, Inc. | — | 2 | 0 | 1 | — | — |
| 79 | Trace Oil & Gas Company | — | 2 | 0 | 1 | — | — |
| 80 | Basin Operating Co. Ltd. | — | 1 | 0 | 1 | — | — |
| 81 | Gulfstream Petroleum Corp. | — | 1 | 0 | 1 | — | — |
| 82 | Powell-McCarroll Partnership | — | 1 | 0 | 1 | — | — |
| 83 | Sun Expl. & Prod. Co.-Corpus | — | 1 | 0 | 1 | — | — |
| 84 | AC Exploration LLC | — | 0 | 0 | 1 | — | — |
| 85 | A & R Resources | — | 0 | 0 | 1 | — | — |
| 86 | Atlantic Richfield Co. | — | 0 | 0 | 1 | — | — |
| 87 | Blezinger Brothers Disposal Serv | — | 0 | 0 | 1 | — | — |
| 88 | Coastal Oil & Land Corp. | — | 0 | 0 | 1 | — | — |
| 89 | Comet Production | — | 0 | 0 | 1 | — | — |
| 90 | Crimson Exploration Oper. Inc. | — | 0 | 0 | 1 | — | — |
| 91 | Daylight Petroleum LLC | — | 0 | 0 | 1 | — | — |
| 92 | Enterprise Products Operatingllc | — | 0 | 0 | 1 | — | — |
| 93 | Express Oil Co. | — | 0 | 0 | 1 | — | — |
| 94 | Farrell James E. (Ed) | — | 0 | 0 | 1 | — | — |
| 95 | Faulconer Vernon E. Inc. | — | 0 | 0 | 1 | — | — |
| 96 | Geo Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 97 | Hamman Oil & Refining Company | — | 0 | 0 | 1 | — | — |
| 98 | HMX Investments Inc. | — | 0 | 0 | 1 | — | — |
| 99 | Home Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 100 | International Nuclear Corp. | — | 0 | 0 | 1 | — | — |
| 101 | Kilroy Company of Texas Inc. | — | 0 | 0 | 1 | — | — |
| 102 | Layline Petroleum I LLC | — | 0 | 0 | 1 | — | — |
| 103 | LTS Oil & Gas A | — | 0 | 0 | 1 | — | — |
| 104 | Mastodon Operating Company LLC | — | 0 | 0 | 1 | — | — |
| 105 | McCord Exploration Co. | — | 0 | 0 | 1 | — | — |
| 106 | Mosbacher Robert | — | 0 | 0 | 1 | — | — |
| 107 | Pelican Bay Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 108 | Penn & Davis | — | 0 | 0 | 1 | — | — |
| 109 | Penn Virginia Oil & Gas Corp. | — | 0 | 0 | 1 | — | — |
| 110 | Poynor Corporation | — | 0 | 0 | 1 | — | — |
| 111 | Ranger Holdings Company | — | 0 | 0 | 1 | — | — |
| 112 | Senora Resources Inc. | — | 0 | 0 | 1 | — | — |
| 113 | Swift Energy Company | — | 0 | 0 | 1 | — | — |
| 114 | Tahiti Ptrs Enrgy Solutions Corp | — | 0 | 0 | 1 | — | — |
| 115 | TC Oil and Gas LLC | — | 0 | 0 | 1 | — | — |
| 116 | Tex-Atic Resources Inc. | — | 0 | 0 | 1 | — | — |
| 117 | Zone Ridge Operating LLC | — | 0 | 0 | 1 | — | — |
| 118 | Bridas Energy USA, Inc. | — | 41 | 0 | 0 | — | — |
| 119 | Arriola Operating & Consltg Inc. | — | 21 | 0 | 0 | — | — |
| 120 | Superior Oil Company, The | — | 16 | 0 | 0 | — | — |
| 121 | A.C.T. Operating Company | — | 15 | 0 | 0 | — | — |
| 122 | Etoco Incorporated | — | 15 | 0 | 0 | — | — |
| 123 | Rio Brazos Resources Company | — | 13 | 0 | 0 | — | — |
| 124 | Mission Resources Corporation | — | 12 | 0 | 0 | — | — |
| 125 | Agoil, Inc. | — | 11 | 0 | 0 | — | — |
| 126 | Jamex II Ltd., L.L.P. | — | 8 | 0 | 0 | — | — |
| 127 | Landrum Operating Co., Inc. | — | 8 | 0 | 0 | — | — |
| 128 | Nicholas, J. W. | — | 8 | 0 | 0 | — | — |
| 129 | Canyon Petroleum Company | — | 7 | 0 | 0 | — | — |
| 130 | Goodrich Oil Company | — | 7 | 0 | 0 | — | — |
| 131 | Pierce Junction Petroleum Inc. | — | 7 | 0 | 0 | — | — |
| 132 | Smith, L. C. | — | 7 | 0 | 0 | — | — |
| 133 | Synergy Oil & Gas, Inc. (A) | — | 6 | 0 | 0 | — | — |
| 134 | Reb Petroleum Co. | — | 5 | 0 | 0 | — | — |
| 135 | Transtexas Gas Corporation | — | 5 | 0 | 0 | — | — |
| 136 | Cico Oil & Gas Company | — | 4 | 0 | 0 | — | — |
| 137 | Halcon Operating Co., Inc. | — | 4 | 0 | 0 | — | — |
| 138 | Hardwick Oil Company | — | 4 | 0 | 0 | — | — |
| 139 | Oleum Incorporated | — | 4 | 0 | 0 | — | — |
| 140 | American Cascade Energy, Inc. | — | 3 | 0 | 0 | — | — |
| 141 | American Cometra, Inc. | — | 3 | 0 | 0 | — | — |
| 142 | Ampolex (Texas) Inc. | — | 3 | 0 | 0 | — | — |
| 143 | Burns Production Corporation | — | 3 | 0 | 0 | — | — |
| 144 | Davis Petroleum Corp. | — | 3 | 0 | 0 | — | — |
| 145 | Energy Development Corp. | — | 3 | 0 | 0 | — | — |
| 146 | Hilcorp Energy Company | — | 3 | 0 | 0 | — | — |
| 147 | K.Z.I. Oil & Gas Company | — | 3 | 0 | 0 | — | — |
| 148 | Pogo Producing Co. | — | 3 | 0 | 0 | — | — |
| 149 | Rme Petroleum Company | — | 3 | 0 | 0 | — | — |
| 150 | Texical, Inc. | — | 3 | 0 | 0 | — | — |
| 151 | TX Of&gc, LLC | — | 3 | 0 | 0 | — | — |
| 152 | A-N-A Operating Company, Inc. | — | 2 | 0 | 0 | — | — |
| 153 | Andress Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 154 | Austin Resources Corporation | — | 2 | 0 | 0 | — | — |
| 155 | Blezinger Production | — | 2 | 0 | 0 | — | — |
| 156 | Brenham Drilling Co. | — | 2 | 0 | 0 | — | — |
| 157 | Cardinal Well Service Inc. | — | 2 | 0 | 0 | — | — |
| 158 | Cymraec Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 159 | Dreyfus, Louis Natural Gas Corp | — | 2 | 0 | 0 | — | — |
| 160 | Great Texas Oil & Gas Trust | — | 2 | 0 | 0 | — | — |
| 161 | Hanover Management Co. | — | 2 | 0 | 0 | — | — |
| 162 | High Plains Gas Systems, Inc. | — | 2 | 0 | 0 | — | — |
| 163 | Lowmar Exploration Company | — | 2 | 0 | 0 | — | — |
| 164 | Moose Oil & Gas Co. | — | 2 | 0 | 0 | — | — |
| 165 | North Central Oil Corp. | — | 2 | 0 | 0 | — | — |
| 166 | Odegard Energy, Inc. | — | 2 | 0 | 0 | — | — |
| 167 | OXY Petr. Inc | — | 2 | 0 | 0 | — | — |
| 168 | Prime Natural Resources Inc | — | 2 | 0 | 0 | — | — |
| 169 | Pure Energy Company | — | 2 | 0 | 0 | — | — |
| 170 | Smith-Melton Oil Producers | — | 2 | 0 | 0 | — | — |
| 171 | Westlands Resources Corporation | — | 2 | 0 | 0 | — | — |
| 172 | Allegro Investments, Inc. | — | 1 | 0 | 0 | — | — |
| 173 | Apache Corporation | — | 1 | 0 | 0 | — | — |
| 174 | Bargo Energy Company | — | 1 | 0 | 0 | — | — |
| 175 | Beta Operating Company, LLC | — | 1 | 0 | 0 | — | — |
| 176 | Bradco Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 177 | Buscar Oil Company | — | 1 | 0 | 0 | — | — |
| 178 | Cag Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 179 | Callon Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 180 | Calloway Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 181 | C.B. Resources Inc | — | 1 | 0 | 0 | — | — |
| 182 | Centex Oil & Gas, Incorporated | — | 1 | 0 | 0 | — | — |
| 183 | CG Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 184 | Cobra Operating Company | — | 1 | 0 | 0 | — | — |
| 185 | Coffee, John B. | — | 1 | 0 | 0 | — | — |
| 186 | Consolidated Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 187 | Edwards Oil & Gas & Young Const. | — | 1 | 0 | 0 | — | — |
| 188 | Elliott Oil Company, L.P. | — | 1 | 0 | 0 | — | — |
| 189 | Enron Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 190 | E R I Ltd. | — | 1 | 0 | 0 | — | — |
| 191 | Exxon Corp. - Houston | — | 1 | 0 | 0 | — | — |
| 192 | Forest Oil Corp. | — | 1 | 0 | 0 | — | — |
| 193 | Ft. Bend Oil Co. | — | 1 | 0 | 0 | — | — |
| 194 | F-W Oil Exploration L.L.C. | — | 1 | 0 | 0 | — | — |
| 195 | Gainco, Inc. | — | 1 | 0 | 0 | — | — |
| 196 | Galaxy Energies, Inc. | — | 1 | 0 | 0 | — | — |
| 197 | Gasper Rice Resources, Ltd. | — | 1 | 0 | 0 | — | — |
| 198 | Gordy Oil Company | — | 1 | 0 | 0 | — | — |
| 199 | Grels Production Company, Inc. | — | 1 | 0 | 0 | — | — |
| 200 | Grimes Energy Company | — | 1 | 0 | 0 | — | — |
| 201 | Gruy Petroleum Management Co. | — | 1 | 0 | 0 | — | — |
| 202 | Hamill, Claud B. | — | 1 | 0 | 0 | — | — |
| 203 | Hanson Minerals Co. | — | 1 | 0 | 0 | — | — |
| 204 | Houston Oil and Development Corp | — | 1 | 0 | 0 | — | — |
| 205 | Inexco Oil Company | — | 1 | 0 | 0 | — | — |
| 206 | Inland Ocean, Inc. | — | 1 | 0 | 0 | — | — |
| 207 | Ipact | — | 1 | 0 | 0 | — | — |
| 208 | Joyce & Hilty, Inc. | — | 1 | 0 | 0 | — | — |
| 209 | Kebo Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 210 | Kirby Exploration Company | — | 1 | 0 | 0 | — | — |
| 211 | Lyndel Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 212 | Magna Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 213 | Marr, M. H. | — | 1 | 0 | 0 | — | — |
| 214 | Marshall Expl. Inc. | — | 1 | 0 | 0 | — | — |
| 215 | Moncrief, W. A. | — | 1 | 0 | 0 | — | — |
| 216 | Myers, Sam | — | 1 | 0 | 0 | — | — |
| 217 | Nelson & Waddell | — | 1 | 0 | 0 | — | — |
| 218 | New Ulm Gas Ltd. | — | 1 | 0 | 0 | — | — |
| 219 | Perryman Oil & Gas Inc. | — | 1 | 0 | 0 | — | — |
| 220 | Petro-Hunt, L.L.C. | — | 1 | 0 | 0 | — | — |
| 221 | Porter, Mc & MF | — | 1 | 0 | 0 | — | — |
| 222 | Questar Expl. and Prod. Co. | — | 1 | 0 | 0 | — | — |
| 223 | Samson Lone Star, LLC | — | 1 | 0 | 0 | — | — |
| 224 | Sanchez Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 225 | Selko Oil Co. | — | 1 | 0 | 0 | — | — |
| 226 | Seminole Pipeline Company | — | 1 | 0 | 0 | — | — |
| 227 | Smith, L C Production | — | 1 | 0 | 0 | — | — |
| 228 | Stone & Webster Oil Company, Inc | — | 1 | 0 | 0 | — | — |
| 229 | Texas-Australia Power Inc. | — | 1 | 0 | 0 | — | — |
| 230 | Texas Ranger Oil Company, The | — | 1 | 0 | 0 | — | — |
| 231 | Tex-O Petroleum Company | — | 1 | 0 | 0 | — | — |
| 232 | Triangle Three Resources L.L.C. | — | 1 | 0 | 0 | — | — |
| 233 | Union Gas Operating Company | — | 1 | 0 | 0 | — | — |
| 234 | Union Oil Company of California | — | 1 | 0 | 0 | — | — |
| 235 | Vista Resources, Inc. (A) | — | 1 | 0 | 0 | — | — |
| 236 | Weekley Energy Group, LLC | — | 1 | 0 | 0 | — | — |
| 237 | Zinn Petroleum Co. | — | 1 | 0 | 0 | — | — |