| 8401 | COSSLER. HOMER | Daviess County, KY | Oil Property | Nov 2022 |
| 8402 | COSSLETT | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 8403 | COSSLETT | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 8404 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 8405 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Mar 2019 |
| 8406 | COSSON | Freestone County, TX | Oil & Gas Property | Feb 2024 |
| 8407 | COSSON GAS UNIT | Freestone County, TX | Oil & Gas Property | Feb 2024 |
| 8408 | COSTA | San Mateo County, CA | Oil & Gas Property | Dec 2014 |
| 8409 | COSTANZA | Howard County, TX | Oil & Gas Property | Feb 2024 |
| 8410 | COSTANZO | Dickens County, TX | Oil & Gas Property | Feb 2024 |
| 8411 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 8412 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Feb 2024 |
| 8413 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Feb 2024 |
| 8414 | COSTELLO | Carter County, OK | Oil Property | Feb 2024 |
| 8415 | COSTELLO 2 | Coal County, OK | Gas Property | Feb 2024 |
| 8416 | COSTEN | Allegan County, MI | Oil Property | Oct 2023 |
| 8417 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 8418 | COSTILLA MABEE 32F | Andrews County, TX | Oil & Gas Property | Feb 2024 |
| 8419 | COSTILOW | Latimer County, OK | Gas Property | Jan 2024 |
| 8420 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 8421 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 8422 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Feb 2024 |
| 8423 | COT EAST | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 8424 | COT WEST | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 8425 | COTCHA | Seminole County, OK | Oil Property | Feb 2024 |
| 8426 | COTHES | Andrews County, TX | Oil & Gas Property | Feb 2024 |
| 8427 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Feb 2024 |
| 8428 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8429 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 8430 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8431 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 8432 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 8433 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8434 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8435 | COTNER | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 8436 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 8437 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | Feb 2024 |
| 8438 | COTROPIA GAS UNIT 1 | Robertson County, TX | Oil & Gas Property | Feb 2024 |
| 8439 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | Feb 2024 |
| 8440 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | Feb 2024 |
| 8441 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | Feb 2024 |
| 8442 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2023 |
| 8443 | COTT | Marion County, KS | Gas Property | Aug 2023 |
| 8444 | COTT | Stevens County, KS | Gas Property | Jan 2024 |
| 8445 | COTTEN | Glasscock County, TX | Oil & Gas Property | Feb 2019 |
| 8446 | COTTER 1 | Barton County, KS | Oil Property | Jan 2024 |
| 8447 | COTTER G | Hansford County, TX | Oil & Gas Property | Jan 2017 |
| 8448 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Jan 2024 |
| 8449 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 8450 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2023 |
| 8451 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 8452 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2023 |
| 8453 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 8454 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2022 |
| 8455 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 8456 | COTTLE | Young County, TX | Oil & Gas Property | Feb 2024 |
| 8457 | COTTLE | Shackelford County, TX | Oil & Gas Property | Feb 2024 |
| 8458 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Feb 2024 |
| 8459 | COTTMAN | Kay County, OK | Oil & Gas Property | Jul 2018 |
| 8460 | COTTOM | Major County, OK | Oil & Gas Property | Jan 2024 |
| 8461 | COTTOM | Wichita County, TX | Oil & Gas Property | Jan 2024 |
| 8462 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jan 2024 |
| 8463 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 8464 | COTTON | Garvin County, OK | Oil & Gas Property | Jan 2024 |
| 8465 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 8466 | COTTON | Terry County, TX | Oil & Gas Property | Feb 2024 |
| 8467 | COTTON | Trego County, KS | Oil Property | Nov 2023 |
| 8468 | COTTON | Creek County, OK | Oil & Gas Property | Jan 2024 |
| 8469 | COTTON | Seward County, KS | Oil & Gas Property | Dec 2023 |
| 8470 | COTTON | Burleson County, TX | Oil & Gas Property | Feb 2024 |
| 8471 | COTTON DRAW | Lea County, NM | Oil & Gas Property | Mar 2024 |
| 8472 | COTTON DRAW | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 8473 | COTTON DRAW 1 | Lea County, NM | Oil & Gas Property | Feb 2024 |
| 8474 | COTTON DRAW 32 STATE FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2023 |
| 8475 | COTTON DRAW UNIT | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 8476 | COTTON GIN | Gaines County, TX | Oil & Gas Property | Feb 2024 |
| 8477 | COTTON HANLON 595 | Tioga County, PA | Gas Property | Feb 2024 |
| 8478 | COTTON LINDSEY | Gaines County, TX | Oil & Gas Property | Jan 2024 |
| 8479 | COTTON VALLEY | Adams County, MS | Oil & Gas Property | Oct 2011 |
| 8480 | COTTONBERRY 20 FEDERAL | Eddy County, NM | Oil & Gas Property | Mar 2024 |
| 8481 | COTTONMOUTH | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 8482 | COTTONMOUTH 18-09-20 | Kingfisher County, OK | Oil & Gas Property | Jan 2024 |
| 8483 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | Jan 2024 |
| 8484 | COTTONTAIL 16 STATE COM | Eddy County, NM | Oil & Gas Property | Mar 2024 |
| 8485 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 8486 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | Jan 2024 |
| 8487 | COTTONWOOD | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 8488 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Mar 2024 |
| 8489 | COTTONWOOD | Culberson County, TX | Oil & Gas Property | Feb 2024 |
| 8490 | COTTONWOOD | Eddy County, NM | Oil Property | Apr 1994 |
| 8491 | COTTONWOOD | Creek County, OK | Oil Property | Nov 1998 |
| 8492 | COTTONWOOD | Sublette County, WY | Oil & Gas Property | Feb 2024 |
| 8493 | COTTONWOOD | Mountrail County, ND | Oil & Gas Property | Mar 2024 |
| 8494 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Feb 2013 |
| 8495 | COTTONWOOD | Washakie County, WY | Oil & Gas Property | Mar 2024 |
| 8496 | COTTONWOOD | Howard County, TX | Oil & Gas Property | Feb 2024 |
| 8497 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 8498 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Mar 2024 |
| 8499 | COTTONWOOD 10-25-12 1H | Alfalfa County, OK | Oil & Gas Property | Jan 2024 |
| 8500 | COTTONWOOD 27-27 | Winkler County, TX | Oil & Gas Property | Feb 2024 |