| 26401 | COSTANZA 2 | McKenzie County, ND | Oil & Gas Property | Mar 2026 |
| 26402 | COSTANZO | Dickens County, TX | Oil & Gas Property | Feb 2026 |
| 26403 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26404 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Feb 2026 |
| 26405 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Feb 2026 |
| 26406 | COSTELLO | Carter County, OK | Oil Property | Dec 2025 |
| 26407 | COSTELLO 2 | Coal County, OK | Gas Property | Feb 2026 |
| 26408 | COSTEN | Allegan County, MI | Oil Property | Feb 2026 |
| 26409 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26410 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 26411 | COSTILOW | Latimer County, OK | Gas Property | Jan 2026 |
| 26412 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26413 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26414 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 26415 | COT EAST | Weld County, CO | Oil & Gas Property | Feb 2026 |
| 26416 | COT WEST | Weld County, CO | Oil & Gas Property | Feb 2026 |
| 26417 | COTCHA | Seminole County, OK | Oil Property | Feb 2026 |
| 26418 | COTHAM | Payne County, OK | Oil & Gas Property | Feb 2026 |
| 26419 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Dec 2025 |
| 26420 | COTHES | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 26421 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 26422 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26423 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26424 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26425 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26426 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26427 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26428 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26429 | COTINGA | Custer County, OK | Oil & Gas Property | Feb 2026 |
| 26430 | COTNER | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 26431 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | Feb 2026 |
| 26432 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 26433 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | Jan 2026 |
| 26434 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | Jan 2026 |
| 26435 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | Jan 2026 |
| 26436 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26437 | COTT | Marion County, KS | Gas Property | Nov 2023 |
| 26438 | COTT | Stevens County, KS | Gas Property | Jan 2026 |
| 26439 | COTTEN | Glasscock County, TX | Oil & Gas Property | Feb 2019 |
| 26440 | COTTER 1 | Barton County, KS | Oil Property | Dec 2025 |
| 26441 | COTTER G | Hansford County, TX | Oil & Gas Property | Jan 2017 |
| 26442 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Jan 2026 |
| 26443 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26444 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 26445 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26446 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26447 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26448 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26449 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26450 | COTTLE | Shackelford County, TX | Oil & Gas Property | Feb 2026 |
| 26451 | COTTLE 5892 21-30 | Mountrail County, ND | Oil & Gas Property | Mar 2026 |
| 26452 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Jan 2026 |
| 26453 | COTTMAN | Kay County, OK | Oil & Gas Property | Jul 2018 |
| 26454 | COTTOM | Major County, OK | Oil & Gas Property | Jan 2026 |
| 26455 | COTTOM | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 26456 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jan 2026 |
| 26457 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26458 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26459 | COTTON | Garvin County, OK | Oil & Gas Property | Jan 2026 |
| 26460 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 26461 | COTTON | Terry County, TX | Oil & Gas Property | Feb 2026 |
| 26462 | COTTON | Trego County, KS | Oil Property | Jan 2026 |
| 26463 | COTTON | Creek County, OK | Oil & Gas Property | Jan 2026 |
| 26464 | COTTON | Okmulgee County, OK | Oil Property | Jun 2009 |
| 26465 | COTTON | Seward County, KS | Oil & Gas Property | Jan 2026 |
| 26466 | COTTON | Burleson County, TX | Oil & Gas Property | Dec 2025 |
| 26467 | COTTON DRAW | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 26468 | COTTON DRAW | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 26469 | COTTON DRAW 1 | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 26470 | COTTON DRAW 25 36 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 26471 | COTTON DRAW 32 STATE FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2023 |
| 26472 | COTTON GIN | Gaines County, TX | Oil & Gas Property | Feb 2026 |
| 26473 | COTTON HANLON | Lycoming County, PA | Gas Property | Feb 2026 |
| 26474 | COTTON HANLON 595 | Tioga County, PA | Gas Property | Feb 2026 |
| 26475 | COTTON LINDSEY | Gaines County, TX | Oil & Gas Property | Feb 2026 |
| 26476 | COTTON VALLEY | Adams County, MS | Oil & Gas Property | Oct 2011 |
| 26477 | COTTONBERRY 20 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 26478 | COTTONMOUTH | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 26479 | COTTONMOUTH 18-09-20 | Kingfisher County, OK | Oil & Gas Property | Jan 2026 |
| 26480 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | Feb 2026 |
| 26481 | COTTONTAIL 16 STATE COM | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 26482 | COTTONTAIL 31 30-17N-11W | Blaine County, OK | Oil & Gas Property | Jan 2026 |
| 26483 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 26484 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | Feb 2026 |
| 26485 | COTTONWOOD | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 26486 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Feb 2026 |
| 26487 | COTTONWOOD | Culberson County, TX | Oil & Gas Property | Feb 2026 |
| 26488 | COTTONWOOD | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 26489 | COTTONWOOD | Eddy County, NM | Oil Property | Apr 1994 |
| 26490 | COTTONWOOD | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 26491 | COTTONWOOD | Mountrail County, ND | Oil & Gas Property | Mar 2026 |
| 26492 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Feb 2013 |
| 26493 | COTTONWOOD | Washakie County, WY | Oil & Gas Property | Feb 2026 |
| 26494 | COTTONWOOD | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 26495 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 26496 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Feb 2026 |
| 26497 | COTTONWOOD 27-27 | Winkler County, TX | Oil & Gas Property | Feb 2026 |
| 26498 | COTTONWOOD 29 32 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 26499 | COTTONWOOD 34/10 AF | Ellis County, OK | Oil & Gas Property | Jan 2026 |
| 26500 | COTTONWOOD 55-1-14 | Loving County, TX | Oil & Gas Property | Feb 2026 |