| 18201 | CACTUS 9 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 18202 | CACTUS B FEDERAL | Chaves County, NM | Gas Property | Apr 2026 |
| 18203 | CACTUS FEDERAL | Chaves County, NM | Gas Property | Apr 2026 |
| 18204 | CACTUS FLOWER | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 18205 | CACTUS JACK | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 18206 | CACTUS PARK | San Juan County, UT | Oil & Gas Property | Nov 2024 |
| 18207 | CACTUS QUEEN UNIT | Chaves County, NM | Oil & Gas Property | May 2009 |
| 18208 | CACTUS ROSE UNIT | McMullen County, TX | Oil & Gas Property | Mar 2026 |
| 18209 | CACY-SAUER | Bexar County, TX | Oil & Gas Property | Jan 2026 |
| 18210 | CADDEL | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 18211 | CADDELL | Crosby County, TX | Oil & Gas Property | Mar 2026 |
| 18212 | CADDELL | Hockley County, TX | Oil & Gas Property | Mar 2026 |
| 18213 | CADDELL | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 18214 | CADDO 20 | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 18215 | CADDO A | Milam County, TX | Oil & Gas Property | Mar 2026 |
| 18216 | CADDO FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 18217 | CADDO LAKE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18218 | CADDO LAKE (AW) | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 18219 | CADDO LEV | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18220 | CADDO MINERAL | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18221 | CADDO OIL FIELDS CO FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18222 | CADDO OIL MIN | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18223 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18224 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18225 | CADDO PARISH SCHOOL BOARD | Caddo Parish, LA | Oil Property | Jan 2025 |
| 18226 | CADDO PR SCHL BD | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 18227 | CADDO SER 1 | Caddo Parish, LA | Gas Property | Dec 2024 |
| 18228 | CADE | Galveston County, TX | Oil & Gas Property | Mar 2026 |
| 18229 | CADE | Eastland County, TX | Oil & Gas Property | Feb 2021 |
| 18230 | CADE 12 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 18231 | CADE ESTATE | Caddo County, OK | Oil & Gas Property | Mar 2026 |
| 18232 | CADEN | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 18233 | CADENA 0310 | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 18234 | CADENHEAD | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 18235 | CADENHEAD | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 18236 | CADENHEAD | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 18237 | CADENHEAD | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 18238 | CADENHEAD UNIT | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 18239 | CADER 00 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 18240 | CADET FE | Johnson County, WY | Oil & Gas Property | Mar 2026 |
| 18241 | CADILLAC | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 18242 | CADLE MAHN7 | Mahoning County, OH | Oil & Gas Property | Mar 2026 |
| 18243 | CADMIUM 147-93-17B-20H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 18244 | CADWALADER UNIT | Lycoming County, PA | Gas Property | Mar 2026 |
| 18245 | CADY | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 18246 | CADY 'A' | Seward County, KS | Oil & Gas Property | Feb 2026 |
| 18247 | CADY WIL | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 18248 | CADY WILLIAM R. ET AL | Anderson County, TX | Oil & Gas Property | Dec 2025 |
| 18249 | CAESAR | Seminole County, OK | Oil Property | Apr 2026 |
| 18250 | CAESAR | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 18251 | CAESAR 32 | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 18252 | CAESAR BURGESS A | Seminole County, OK | Oil Property | Feb 2026 |
| 18253 | CAESAR WHITE | De Soto Parish, LA | Gas Property | Dec 2024 |
| 18254 | CAFFALL FD | Eddy County, NM | Oil & Gas Property | Jun 2020 |
| 18255 | CAFFEY | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 18256 | CAFFEY ARMOR | Concho County, TX | Oil & Gas Property | Mar 2026 |
| 18257 | CAFFEY-CHIEFTAIN 3229 | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 18258 | CAFFREY 103 | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 18259 | CAFLISCH | Chautauqua County, NY | Gas Property | Dec 2024 |
| 18260 | CAGE | Nueces County, TX | Oil & Gas Property | Mar 2026 |
| 18261 | CAGE | Maverick County, TX | Oil & Gas Property | Mar 2026 |
| 18262 | CAGE | Maverick County, TX | Oil & Gas Property | Mar 2026 |
| 18263 | CAGE A | Maverick County, TX | Oil & Gas Property | Mar 2026 |
| 18264 | CAGE ESTATE | Brooks County, TX | Oil & Gas Property | Mar 2026 |
| 18265 | CAGE R | Brooks County, TX | Oil & Gas Property | Mar 2026 |
| 18266 | CAGE RANCH | Brooks County, TX | Oil & Gas Property | Mar 2026 |
| 18267 | CAGE-BRISCOE | Maverick County, TX | Oil & Gas Property | Mar 2026 |
| 18268 | CAGE-BRISCOE | Maverick County, TX | Oil Property | Mar 2026 |
| 18269 | CAGLE | Fresno County, CA | Oil & Gas Property | Dec 2015 |
| 18270 | CAGLE C | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 18271 | CAGLE GAS UNIT | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 18272 | CAGLE-HARRIS | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 18273 | CAHILL | Fisher County, TX | Oil & Gas Property | Oct 2019 |
| 18274 | CAHILL | Haskell County, TX | Oil Property | Mar 2026 |
| 18275 | CAHILL REALTY BUSINESS UNIT | Bradford County, PA | Gas Property | Mar 2026 |
| 18276 | CAHILL T. G. -B | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 18277 | CAHN | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 18278 | CAHN GAS COM | San Juan County, NM | Gas Property | Apr 2026 |
| 18279 | CAHOJ | Rawlins County, KS | Oil Property | Aug 2020 |
| 18280 | CAHOJ | Rawlins County, KS | Oil Property | Apr 1995 |
| 18281 | CAHOON | Sebastian County, AR | Gas Property | Jun 2024 |
| 18282 | CAHOON | Medina County, OH | Oil & Gas Property | Dec 2020 |
| 18283 | CAHOON UNIT | Liberty County, TX | Oil & Gas Property | Aug 2024 |
| 18284 | CAIBY | Noble County, OK | Oil & Gas Property | Feb 2020 |
| 18285 | CAIBY | Noble County, OK | Oil & Gas Property | Mar 2026 |
| 18286 | CAIG 2 | Logan County, OK | Oil & Gas Property | Mar 2026 |
| 18287 | CAIN | Payne County, OK | Oil & Gas Property | Feb 2024 |
| 18288 | CAIN | Rice County, KS | Gas Property | Feb 2026 |
| 18289 | CAIN | Texas County, OK | Oil & Gas Property | Mar 2026 |
| 18290 | CAIN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 18291 | CAIN | Tuscaloosa County, AL | Gas Property | May 1996 |
| 18292 | CAIN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 18293 | CAIN | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 18294 | CAIN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 18295 | CAIN | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 18296 | CAIN | Wood County, TX | Oil & Gas Property | Mar 2026 |
| 18297 | CAIN | Love County, OK | Oil & Gas Property | Nov 2019 |
| 18298 | CAIN | Bossier Parish, LA | Oil & Gas Property | Jan 2023 |
| 18299 | CAIN | Dewey County, OK | Oil & Gas Property | Mar 2026 |
| 18300 | CAIN | Gaines County, TX | Oil & Gas Property | Mar 2026 |