| 26501 | COSEKA | Washakie County, WY | Oil & Gas Property | Apr 2024 |
| 26502 | COSENS | Tuscola County, MI | Oil Property | Dec 2024 |
| 26503 | COSEY | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 26504 | COSGRAY | Greene County, PA | Gas Property | Feb 2025 |
| 26505 | COSGROVE | Coal County, OK | Gas Property | Jan 2025 |
| 26506 | COSGROVE | Seward County, KS | Oil & Gas Property | Dec 2024 |
| 26507 | COSH MILL CREEK A-1 | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 26508 | COSHOCTON COUNTY AIRPORT AUTHORITY | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 26509 | COSMED UNIT ZAV | Zavala County, TX | Oil & Gas Property | Dec 2024 |
| 26510 | COSMO 1 | Duchesne County, UT | Oil & Gas Property | Feb 2025 |
| 26511 | COSMO 8 STATE | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 26512 | COSMO DALTEX UNIT 45-4 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 26513 | COSMO K 24S35E3328 FEE | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 26514 | COSMONAUT | Fort Bend County, TX | Oil & Gas Property | Jan 2025 |
| 26515 | COSNER | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 26516 | COSNER | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 26517 | COSNER | Susquehanna County, PA | Gas Property | Feb 2025 |
| 26518 | COSNER 11S | Campbell County, WY | Gas Property | Aug 2009 |
| 26519 | COSPER | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 26520 | COSPER | Coal County, OK | Gas Property | Jan 2025 |
| 26521 | COSS | Mercer County, PA | Gas Property | Dec 2024 |
| 26522 | COSSATOT | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 26523 | COSSEY | Caddo County, OK | Oil Property | Nov 2024 |
| 26524 | COSSLER. HOMER | Daviess County, KY | Oil Property | Nov 2022 |
| 26525 | COSSLETT | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 26526 | COSSLETT | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 26527 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 26528 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 26529 | COSSON | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 26530 | COSSON GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 26531 | COSTA | San Mateo County, CA | Oil & Gas Property | Dec 2014 |
| 26532 | COSTANZA | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 26533 | COSTANZO | Dickens County, TX | Oil & Gas Property | Jan 2025 |
| 26534 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26535 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Feb 2025 |
| 26536 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 26537 | COSTELLO | Carter County, OK | Oil Property | Jan 2025 |
| 26538 | COSTELLO 16 | Potter County, PA | Gas Property | Dec 2000 |
| 26539 | COSTELLO 2 | Coal County, OK | Gas Property | Feb 2025 |
| 26540 | COSTEN | Allegan County, MI | Oil Property | Sep 2024 |
| 26541 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26542 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 26543 | COSTILOW | Latimer County, OK | Gas Property | Jan 2025 |
| 26544 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26545 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26546 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 26547 | COT EAST | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 26548 | COT WEST | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 26549 | COTCHA | Seminole County, OK | Oil Property | Dec 2024 |
| 26550 | COTHAM | Payne County, OK | Oil & Gas Property | Jan 2025 |
| 26551 | COTHES | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 26552 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 26553 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26554 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26555 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26556 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26557 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26558 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26559 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26560 | COTNER | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 26561 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | Feb 2025 |
| 26562 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 26563 | COTROPIA GAS UNIT 1 | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 26564 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 26565 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 26566 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 26567 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26568 | COTT | Marion County, KS | Gas Property | Nov 2023 |
| 26569 | COTT | Stevens County, KS | Gas Property | Dec 2024 |
| 26570 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 26571 | COTTER 1 | Barton County, KS | Oil Property | Nov 2024 |
| 26572 | COTTER G | Hansford County, TX | Oil & Gas Property | Mar 2017 |
| 26573 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Dec 2024 |
| 26574 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26575 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26576 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26577 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26578 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26579 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26580 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26581 | COTTINGHAM ETUX 24H | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26582 | COTTLE | Young County, TX | Oil & Gas Property | Jan 2025 |
| 26583 | COTTLE | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 26584 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Jun 2024 |
| 26585 | COTTMAN | Kay County, OK | Oil & Gas Property | Apr 2019 |
| 26586 | COTTOM | Major County, OK | Oil & Gas Property | Jan 2025 |
| 26587 | COTTOM | Wichita County, TX | Oil & Gas Property | Dec 2024 |
| 26588 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 26589 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26590 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26591 | COTTON | Garvin County, OK | Oil & Gas Property | Feb 2025 |
| 26592 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 26593 | COTTON | Terry County, TX | Oil & Gas Property | Jan 2025 |
| 26594 | COTTON | Trego County, KS | Oil Property | Oct 2024 |
| 26595 | COTTON | Creek County, OK | Oil & Gas Property | Jan 2025 |
| 26596 | COTTON | Seward County, KS | Oil & Gas Property | Nov 2024 |
| 26597 | COTTON | Burleson County, TX | Oil & Gas Property | Jan 2025 |
| 26598 | COTTON DRAW | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 26599 | COTTON DRAW | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 26600 | COTTON DRAW 1 | Lea County, NM | Oil & Gas Property | Feb 2025 |