| 26601 | COSTANZA | Howard County, TX | Oil & Gas Property | May 2026 |
| 26602 | COSTANZA 2 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 26603 | COSTANZO | Dickens County, TX | Oil & Gas Property | Jun 2026 |
| 26604 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26605 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 26606 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 26607 | COSTELLO | Carter County, OK | Oil Property | Jul 2026 |
| 26608 | COSTELLO 2 | Coal County, OK | Gas Property | Jul 2026 |
| 26609 | COSTEN | Allegan County, MI | Oil Property | Jun 2026 |
| 26610 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26611 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 26612 | COSTILOW | Latimer County, OK | Gas Property | Jun 2026 |
| 26613 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26614 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26615 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 26616 | COT EAST | Weld County, CO | Oil & Gas Property | May 2026 |
| 26617 | COT WEST | Weld County, CO | Oil & Gas Property | May 2026 |
| 26618 | COTCHA | Seminole County, OK | Oil Property | Jun 2026 |
| 26619 | COTHAM | Payne County, OK | Oil & Gas Property | Jul 2026 |
| 26620 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Jun 2026 |
| 26621 | COTHES | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 26622 | COTHRAN | Muskogee County, OK | Gas Property | Feb 1995 |
| 26623 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 26624 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26625 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26626 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26627 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26628 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26629 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26630 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26631 | COTINGA | Custer County, OK | Oil & Gas Property | Jun 2026 |
| 26632 | COTNER | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 26633 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 26634 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | May 2026 |
| 26635 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 26636 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 26637 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 26638 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26639 | COTT | Stevens County, KS | Gas Property | May 2026 |
| 26640 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 26641 | COTTER 1 | Barton County, KS | Oil Property | May 2026 |
| 26642 | COTTER 2015 | Major County, OK | Oil & Gas Property | Jul 2026 |
| 26643 | COTTER G | Hansford County, TX | Oil & Gas Property | Jan 2017 |
| 26644 | COTTERILL | Montgomery County, KS | Oil & Gas Property | May 2026 |
| 26645 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26646 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 26647 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26648 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 26649 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26650 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26651 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26652 | COTTLE | Shackelford County, TX | Oil & Gas Property | Jun 2026 |
| 26653 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 26654 | COTTMAN | Kay County, OK | Oil & Gas Property | Mar 2019 |
| 26655 | COTTOM | Major County, OK | Oil & Gas Property | Jun 2026 |
| 26656 | COTTOM | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 26657 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 26658 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26659 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26660 | COTTON | Garvin County, OK | Oil & Gas Property | Jun 2026 |
| 26661 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 26662 | COTTON | Terry County, TX | Oil & Gas Property | Jun 2026 |
| 26663 | COTTON | Trego County, KS | Oil Property | Apr 2026 |
| 26664 | COTTON | Creek County, OK | Oil & Gas Property | Jul 2026 |
| 26665 | COTTON | Seward County, KS | Oil & Gas Property | May 2026 |
| 26666 | COTTON | Burleson County, TX | Oil & Gas Property | Apr 2026 |
| 26667 | COTTON DRAW | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 26668 | COTTON DRAW | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26669 | COTTON DRAW 1 | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 26670 | COTTON DRAW 25 36 FEDERAL | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26671 | COTTON DRAW 32 STATE FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2023 |
| 26672 | COTTON GIN | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 26673 | COTTON HANLON | Lycoming County, PA | Gas Property | Jun 2026 |
| 26674 | COTTON HANLON 595 | Tioga County, PA | Gas Property | Jun 2026 |
| 26675 | COTTON LINDSEY | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 26676 | COTTON VALLEY | Adams County, MS | Oil & Gas Property | Oct 2011 |
| 26677 | COTTONBERRY 20 FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 26678 | COTTONMOUTH | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26679 | COTTONMOUTH 18-09-20 | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 26680 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 26681 | COTTONTAIL 16 STATE COM | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26682 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 26683 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | Jul 2026 |
| 26684 | COTTONWOOD | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26685 | COTTONWOOD | Brazos County, TX | Oil & Gas Property | May 2026 |
| 26686 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 26687 | COTTONWOOD | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 26688 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Dec 2005 |
| 26689 | COTTONWOOD | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 26690 | COTTONWOOD | Eddy County, NM | Oil Property | Apr 1994 |
| 26691 | COTTONWOOD | Sublette County, WY | Oil & Gas Property | Jul 2026 |
| 26692 | COTTONWOOD | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 26693 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Feb 2013 |
| 26694 | COTTONWOOD | Washakie County, WY | Oil & Gas Property | Jul 2026 |
| 26695 | COTTONWOOD | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 26696 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 26697 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 26698 | COTTONWOOD 27-27 | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 26699 | COTTONWOOD 29 32 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 26700 | COTTONWOOD 32-10-8 | Grady County, OK | Gas Property | Jun 2026 |