| 26801 | COSDEN DERDEYN | Garvin County, OK | Oil Property | Jul 2025 |
| 26802 | COSEKA | Washakie County, WY | Oil & Gas Property | Apr 2024 |
| 26803 | COSENS | Tuscola County, MI | Oil Property | Jul 2025 |
| 26804 | COSEY | Caldwell County, TX | Oil & Gas Property | Aug 2025 |
| 26805 | COSGRAY | Greene County, PA | Gas Property | Aug 2025 |
| 26806 | COSGROVE | Coal County, OK | Gas Property | Jul 2025 |
| 26807 | COSGROVE | Seward County, KS | Oil & Gas Property | Mar 2025 |
| 26808 | COSHOCTON COUNTY AIRPORT AUTHORITY | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 26809 | COSMED UNIT ZAV | Zavala County, TX | Oil & Gas Property | Aug 2025 |
| 26810 | COSMO 1 | Duchesne County, UT | Oil & Gas Property | Aug 2025 |
| 26811 | COSMO 8 STATE | Lea County, NM | Oil & Gas Property | Jul 2025 |
| 26812 | COSMO DALTEX UNIT 45-4 | Reeves County, TX | Oil & Gas Property | Aug 2025 |
| 26813 | COSMO K 24S35E3328 FEE | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 26814 | COSMONAUT | Fort Bend County, TX | Oil & Gas Property | Aug 2025 |
| 26815 | COSNER | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 26816 | COSNER | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 26817 | COSNER | Susquehanna County, PA | Gas Property | Aug 2025 |
| 26818 | COSNER 11S | Campbell County, WY | Gas Property | Aug 2009 |
| 26819 | COSPER | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 26820 | COSPER | Coal County, OK | Gas Property | Jul 2025 |
| 26821 | COSS | Mercer County, PA | Gas Property | Dec 2024 |
| 26822 | COSSATOT | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 26823 | COSSEY | Caddo County, OK | Oil Property | Nov 2024 |
| 26824 | COSSLER, HOMER | Daviess County, KY | Oil Property | Nov 2022 |
| 26825 | COSSLETT | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 26826 | COSSLETT | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 26827 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 26828 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 26829 | COSSON | Freestone County, TX | Oil & Gas Property | Aug 2025 |
| 26830 | COSSON GAS UNIT | Freestone County, TX | Oil & Gas Property | Aug 2025 |
| 26831 | COSTA | San Mateo County, CA | Oil & Gas Property | Dec 2014 |
| 26832 | COSTANZA | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 26833 | COSTANZO | Dickens County, TX | Oil & Gas Property | Aug 2025 |
| 26834 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26835 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Aug 2025 |
| 26836 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Aug 2025 |
| 26837 | COSTELLO | Carter County, OK | Oil Property | Feb 2025 |
| 26838 | COSTELLO 16 | Potter County, PA | Gas Property | Dec 2000 |
| 26839 | COSTELLO 1H-30 | Hughes County, OK | Gas Property | Jul 2025 |
| 26840 | COSTELLO 2 | Coal County, OK | Gas Property | Aug 2025 |
| 26841 | COSTEN | Allegan County, MI | Oil Property | Sep 2024 |
| 26842 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26843 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 26844 | COSTILOW | Latimer County, OK | Gas Property | Jul 2025 |
| 26845 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26846 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26847 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Aug 2025 |
| 26848 | COT EAST | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 26849 | COT WEST | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 26850 | COTCHA | Seminole County, OK | Oil Property | Jun 2025 |
| 26851 | COTHAM | Payne County, OK | Oil & Gas Property | Aug 2025 |
| 26852 | COTHERN 1 | Logan County, OK | Oil & Gas Property | May 2025 |
| 26853 | COTHES | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 26854 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Aug 2025 |
| 26855 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26856 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26857 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26858 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26859 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26860 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26861 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26862 | COTINGA | Custer County, OK | Oil & Gas Property | Jul 2025 |
| 26863 | COTNER | Grady County, OK | Oil & Gas Property | Jun 2025 |
| 26864 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | Aug 2025 |
| 26865 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 26866 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | Aug 2025 |
| 26867 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | Aug 2025 |
| 26868 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | Aug 2025 |
| 26869 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26870 | COTT | Marion County, KS | Gas Property | Nov 2023 |
| 26871 | COTT | Stevens County, KS | Gas Property | Jun 2025 |
| 26872 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 26873 | COTTER 1 | Barton County, KS | Oil Property | May 2025 |
| 26874 | COTTER 2015 | Major County, OK | Oil & Gas Property | Aug 2025 |
| 26875 | COTTER G | Hansford County, TX | Oil & Gas Property | Mar 2017 |
| 26876 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Jun 2025 |
| 26877 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26878 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26879 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26880 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26881 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26882 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26883 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26884 | COTTLE | Young County, TX | Oil & Gas Property | Aug 2025 |
| 26885 | COTTLE | Shackelford County, TX | Oil & Gas Property | Aug 2025 |
| 26886 | COTTLE 5892 21-30 | Mountrail County, ND | Oil & Gas Property | Aug 2025 |
| 26887 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Aug 2025 |
| 26888 | COTTMAN | Kay County, OK | Oil & Gas Property | Apr 2019 |
| 26889 | COTTOM | Major County, OK | Oil & Gas Property | Jul 2025 |
| 26890 | COTTOM | Wichita County, TX | Oil & Gas Property | Jun 2025 |
| 26891 | COTTON | Roger Mills County, OK | Oil & Gas Property | Jul 2025 |
| 26892 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26893 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26894 | COTTON | Garvin County, OK | Oil & Gas Property | Jul 2025 |
| 26895 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 26896 | COTTON | Terry County, TX | Oil & Gas Property | Aug 2025 |
| 26897 | COTTON | Trego County, KS | Oil Property | May 2025 |
| 26898 | COTTON | Creek County, OK | Oil & Gas Property | Jun 2025 |
| 26899 | COTTON | Okmulgee County, OK | Oil Property | Jun 2009 |
| 26900 | COTTON | Seward County, KS | Oil & Gas Property | Jun 2025 |