| 8701 | CORWIN | Major County, OK | Oil & Gas Property | Jul 2026 |
| 8702 | CORY | Elk County, KS | Oil Property | May 2026 |
| 8703 | CORY #1-30 | Beckham County, OK | Oil & Gas Property | Jul 2026 |
| 8704 | CORYELL | Harper County, KS | Oil & Gas Property | May 2026 |
| 8705 | COSBY | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 8706 | COSDEN DERDEYN | Garvin County, OK | Oil Property | Mar 2026 |
| 8707 | COSEKA | Washakie County, WY | Oil & Gas Property | Apr 2024 |
| 8708 | COSENS | Tuscola County, MI | Oil Property | Jun 2026 |
| 8709 | COSEY | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 8710 | COSGRAY | Greene County, PA | Gas Property | Apr 2026 |
| 8711 | COSGROVE | Coal County, OK | Gas Property | Jun 2026 |
| 8712 | COSGROVE | Seward County, KS | Oil & Gas Property | Mar 2025 |
| 8713 | COSHOCTON COUNTY AIRPORT AUTHORITY | Coshocton County, OH | Oil & Gas Property | Dec 2025 |
| 8714 | COSMED UNIT ZAV | Zavala County, TX | Oil & Gas Property | Jun 2026 |
| 8715 | COSMO 1 | Duchesne County, UT | Oil & Gas Property | Jul 2026 |
| 8716 | COSMO 8 STATE | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 8717 | COSMO DALTEX UNIT 45-4 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 8718 | COSMO K 24S35E3328 FEE | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 8719 | COSMONAUT | Fort Bend County, TX | Oil & Gas Property | Jun 2026 |
| 8720 | COSNER | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 8721 | COSNER | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 8722 | COSNER | Susquehanna County, PA | Gas Property | Jun 2026 |
| 8723 | COSNER 11S | Campbell County, WY | Gas Property | Aug 2009 |
| 8724 | COSPER | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 8725 | COSPER | Coal County, OK | Gas Property | Jun 2026 |
| 8726 | COSS | Mercer County, PA | Gas Property | Dec 2025 |
| 8727 | COSSATOT | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 8728 | COSSEY | Caddo County, OK | Oil Property | May 2026 |
| 8729 | COSSLER, HOMER | Daviess County, KY | Oil Property | Oct 2024 |
| 8730 | COSSLETT | Weld County, CO | Oil & Gas Property | May 2026 |
| 8731 | COSSLETT | Weld County, CO | Oil & Gas Property | May 2026 |
| 8732 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | May 2026 |
| 8733 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 8734 | COSSON | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 8735 | COSSON GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 8736 | COSTA | San Mateo County, CA | Oil & Gas Property | Dec 2014 |
| 8737 | COSTANZA | Howard County, TX | Oil & Gas Property | May 2026 |
| 8738 | COSTANZA 2 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 8739 | COSTANZO | Dickens County, TX | Oil & Gas Property | Jun 2026 |
| 8740 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 8741 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 8742 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 8743 | COSTELLO | Carter County, OK | Oil Property | Jul 2026 |
| 8744 | COSTELLO 2 | Coal County, OK | Gas Property | Jul 2026 |
| 8745 | COSTEN | Allegan County, MI | Oil Property | Jun 2026 |
| 8746 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 8747 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 8748 | COSTILOW | Latimer County, OK | Gas Property | Jun 2026 |
| 8749 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 8750 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 8751 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 8752 | COT EAST | Weld County, CO | Oil & Gas Property | May 2026 |
| 8753 | COT WEST | Weld County, CO | Oil & Gas Property | May 2026 |
| 8754 | COTCHA | Seminole County, OK | Oil Property | Jun 2026 |
| 8755 | COTHAM | Payne County, OK | Oil & Gas Property | Jul 2026 |
| 8756 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Jun 2026 |
| 8757 | COTHES | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 8758 | COTHRAN | Muskogee County, OK | Gas Property | Feb 1995 |
| 8759 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 8760 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8761 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 8762 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8763 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 8764 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 8765 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8766 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 8767 | COTINGA | Custer County, OK | Oil & Gas Property | Jun 2026 |
| 8768 | COTNER | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 8769 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 8770 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | May 2026 |
| 8771 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 8772 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 8773 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | May 2026 |
| 8774 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 8775 | COTT | Stevens County, KS | Gas Property | May 2026 |
| 8776 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 8777 | COTTER 1 | Barton County, KS | Oil Property | May 2026 |
| 8778 | COTTER 2015 | Major County, OK | Oil & Gas Property | Jul 2026 |
| 8779 | COTTER G | Hansford County, TX | Oil & Gas Property | Jan 2017 |
| 8780 | COTTERILL | Montgomery County, KS | Oil & Gas Property | May 2026 |
| 8781 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 8782 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 8783 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 8784 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 8785 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 8786 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 8787 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 8788 | COTTLE | Shackelford County, TX | Oil & Gas Property | Jun 2026 |
| 8789 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 8790 | COTTMAN | Kay County, OK | Oil & Gas Property | Mar 2019 |
| 8791 | COTTOM | Major County, OK | Oil & Gas Property | Jun 2026 |
| 8792 | COTTOM | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 8793 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 8794 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 8795 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 8796 | COTTON | Garvin County, OK | Oil & Gas Property | Jun 2026 |
| 8797 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 8798 | COTTON | Terry County, TX | Oil & Gas Property | Jun 2026 |
| 8799 | COTTON | Trego County, KS | Oil Property | Apr 2026 |
| 8800 | COTTON | Creek County, OK | Oil & Gas Property | Jul 2026 |