| 20401 | CASTO | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 20402 | CASTO UNIT I | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 20403 | CASTO, HA | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 20404 | CASTO, J. B | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 20405 | CASTO, WENDELL | Jackson County, WV | Oil & Gas Property | Dec 2021 |
| 20406 | CASTO, WILB | Barbour County, WV | Gas Property | Dec 2021 |
| 20407 | CASTO, WILLIAM | Jackson County, WV | Gas Property | Dec 2021 |
| 20408 | CASTO-CT FOUR (SA) A 1H | Denton County, TX | Gas Property | Mar 2026 |
| 20409 | CASTO-PONDER-CT FOUR (SA) | Denton County, TX | Gas Property | Mar 2026 |
| 20410 | CASTON | Navarro County, TX | Oil & Gas Property | Jul 2025 |
| 20411 | CASTON L | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 20412 | CASTON N | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 20413 | CASTONGUAY | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 20414 | CASTONGUAY | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 20415 | CASTONGUAY | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 20416 | CASTOR | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 20417 | CASTOR | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 20418 | CASTOR FEDERAL LD1 | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 20419 | CASTOR HANS | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 20420 | CASTOR LD | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 20421 | CASTRO ET AL UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 20422 | CASTRO GAS UNIT #2 | Chambers County, TX | Oil & Gas Property | Mar 2026 |
| 20423 | CASTROGIOVANNI A | Susquehanna County, PA | Gas Property | Mar 2026 |
| 20424 | CASTRUCCIO | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 20425 | CASWELL | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 20426 | CASWELL | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 20427 | CASWELL | Montague County, TX | Oil & Gas Property | Feb 2026 |
| 20428 | CASWELL 23 FEDERAL | Lea County, NM | Oil & Gas Property | May 2026 |
| 20429 | CASWELL TRUST | Hardin County, TX | Oil & Gas Property | Sep 2025 |
| 20430 | CASWELL-CHILDERS | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 20431 | CAT CLAW | Irion County, TX | Oil & Gas Property | Mar 2026 |
| 20432 | CAT CLAW A | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 20433 | CAT CREEK | Johnson County, WY | Gas Property | Mar 2026 |
| 20434 | CAT CREEK UNIT | Petroleum County, MT | Oil Property | Mar 2026 |
| 20435 | CAT CS FEDERAL | Johnson County, WY | Gas Property | Dec 2019 |
| 20436 | CAT EYES UNIT | Atascosa County, TX | Oil & Gas Property | Feb 2026 |
| 20437 | CAT FED 3873-1201 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 20438 | CAT ISLAND 16 STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20439 | CAT LANTA 16 4 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20440 | CAT-DRAW | Rio Arriba County, NM | Gas Property | Apr 2026 |
| 20441 | CATAHOULA | Catahoula Parish, LA | Oil & Gas Property | Jan 2025 |
| 20442 | CATALANO | Erie County, NY | Gas Property | Dec 2024 |
| 20443 | CATALINA | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 20444 | CATALINA | Carbon County, WY | Gas Property | Mar 2026 |
| 20445 | CATALINA 25 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20446 | CATALINA 30 EH STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20447 | CATALYST 5211 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 20448 | CATAPULT | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 20449 | CATAPULT | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20450 | CATARINA EAST | Dimmit County, TX | Oil & Gas Property | Mar 2026 |
| 20451 | CATCH FEDERAL 5201 11-12H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 20452 | CATCHER 40 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 20453 | CATCLAW AGM STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2021 |
| 20454 | CATCLAW DRAW | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 20455 | CATCLAW UNIT 2-31 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 20456 | CATCLAW-STATE | Culberson County, TX | Oil & Gas Property | Mar 2026 |
| 20457 | CATE, J | Brown County, TX | Oil & Gas Property | Mar 2026 |
| 20458 | CATER | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 20459 | CATERPILLAR 1506 | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 20460 | CATERPILLAR FE | Johnson County, WY | Oil & Gas Property | Mar 2026 |
| 20461 | CATES | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 20462 | CATES | Sequoyah County, OK | Gas Property | Oct 2025 |
| 20463 | CATES | Hughes County, OK | Oil Property | Apr 2012 |
| 20464 | CATES | Johnson County, TX | Gas Property | Sep 2020 |
| 20465 | CATES | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 20466 | CATES | Parker County, TX | Oil & Gas Property | Mar 2026 |
| 20467 | CATES | Kent County, TX | Oil Property | Mar 2026 |
| 20468 | CATES | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 20469 | CATES | Beaver County, OK | Oil & Gas Property | Feb 2017 |
| 20470 | CATES | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 20471 | CATES | Hughes County, OK | Oil & Gas Property | Apr 2026 |
| 20472 | CATES | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 20473 | CATES #1 | Sequoyah County, OK | Gas Property | Sep 2013 |
| 20474 | CATES 1 | Caddo County, OK | Oil & Gas Property | Aug 2018 |
| 20475 | CATES D | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 20476 | CATES PARTNER UNIT | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 20477 | CATESBY | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 20478 | CATESBY OPER | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 20479 | CATESBY OPER | Ellis County, OK | Oil & Gas Property | Mar 2026 |
| 20480 | CATESVILLE UNIT | Union County, AR | Oil & Gas Property | Mar 2026 |
| 20481 | CATFISH | Kern County, CA | Oil & Gas Property | Feb 2026 |
| 20482 | CATFISH | Wood County, TX | Oil & Gas Property | Mar 2026 |
| 20483 | CATFISH | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 20484 | CATFISH | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 20485 | CATFISH HUNTER 12-1 | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 20486 | CATFISH STATE | Eddy County, NM | Oil Property | Feb 2026 |
| 20487 | CATFISH UNIT | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 20488 | CATHALEENE | Clearfield County, PA | Gas Property | Dec 2025 |
| 20489 | CATHCART NYAL M & LEWIS | Clearfield County, PA | Gas Property | Dec 2025 |
| 20490 | CATHEDRAL | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 20491 | CATHEDRAL FEDERAL | Rio Blanco County, CO | Gas Property | Mar 2026 |
| 20492 | CATHEDRAL STATE 57-6 UNIT | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 20493 | CATHER | Harper County, KS | Oil & Gas Property | Feb 2026 |
| 20494 | CATHER | Harper County, KS | Oil & Gas Property | Sep 2023 |
| 20495 | CATHER, ALMEDA | Lewis County, WV | Oil & Gas Property | Sep 2021 |
| 20496 | CATHER, H. DOTSON TR | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 20497 | CATHERINE | Ellis County, KS | Oil Property | Jan 2026 |
| 20498 | CATHERINE | Pottawatomie County, OK | Oil Property | Mar 2026 |
| 20499 | CATHERINE | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 20500 | CATHERINE | Logan County, CO | Oil & Gas Property | Jul 2017 |