| 26901 | CORY JACK 33-7-11 2 | La Plata County, CO | Gas Property | Dec 2025 |
| 26902 | CORYELL | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 26903 | COSBY | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 26904 | COSDEN DERDEYN | Garvin County, OK | Oil Property | Jul 2025 |
| 26905 | COSEKA | Washakie County, WY | Oil & Gas Property | Apr 2024 |
| 26906 | COSENS | Tuscola County, MI | Oil Property | Dec 2025 |
| 26907 | COSEY | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 26908 | COSGRAY | Greene County, PA | Gas Property | Dec 2025 |
| 26909 | COSGROVE | Coal County, OK | Gas Property | Dec 2025 |
| 26910 | COSGROVE | Seward County, KS | Oil & Gas Property | Mar 2025 |
| 26911 | COSH MILL CREEK A-1 | Coshocton County, OH | Oil & Gas Property | Dec 2025 |
| 26912 | COSHOCTON COUNTY AIRPORT AUTHORITY | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 26913 | COSMED UNIT ZAV | Zavala County, TX | Oil & Gas Property | Dec 2025 |
| 26914 | COSMO 1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 26915 | COSMO 8 STATE | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 26916 | COSMO DALTEX UNIT 45-4 | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 26917 | COSMO K 24S35E3328 FEE | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 26918 | COSMONAUT | Fort Bend County, TX | Oil & Gas Property | Dec 2025 |
| 26919 | COSNER | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 26920 | COSNER | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 26921 | COSNER | Susquehanna County, PA | Gas Property | Jan 2026 |
| 26922 | COSNER 11S | Campbell County, WY | Gas Property | Aug 2009 |
| 26923 | COSPER | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 26924 | COSPER | Coal County, OK | Gas Property | Dec 2025 |
| 26925 | COSS | Mercer County, PA | Gas Property | Dec 2025 |
| 26926 | COSSATOT | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 26927 | COSSEY | Caddo County, OK | Oil Property | Nov 2024 |
| 26928 | COSSLER. HOMER | Daviess County, KY | Oil Property | Oct 2024 |
| 26929 | COSSLETT | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 26930 | COSSLETT | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 26931 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 26932 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 26933 | COSSON | Freestone County, TX | Oil & Gas Property | Dec 2025 |
| 26934 | COSSON GAS UNIT | Freestone County, TX | Oil & Gas Property | Dec 2025 |
| 26935 | COSTA | San Mateo County, CA | Oil & Gas Property | Dec 2014 |
| 26936 | COSTANZA | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 26937 | COSTANZA 2 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 26938 | COSTANZO | Dickens County, TX | Oil & Gas Property | Dec 2025 |
| 26939 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26940 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | Jan 2026 |
| 26941 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | Dec 2025 |
| 26942 | COSTELLO | Carter County, OK | Oil Property | Dec 2025 |
| 26943 | COSTELLO 16 | Potter County, PA | Gas Property | Dec 2000 |
| 26944 | COSTELLO 2 | Coal County, OK | Gas Property | Jan 2026 |
| 26945 | COSTEN | Allegan County, MI | Oil Property | Aug 2025 |
| 26946 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26947 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 26948 | COSTILOW | Latimer County, OK | Gas Property | Dec 2025 |
| 26949 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26950 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26951 | COSTLOW | Dewitt County, TX | Oil & Gas Property | Dec 2025 |
| 26952 | COT EAST | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 26953 | COT WEST | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 26954 | COTCHA | Seminole County, OK | Oil Property | Dec 2025 |
| 26955 | COTHAM | Payne County, OK | Oil & Gas Property | Dec 2025 |
| 26956 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Dec 2025 |
| 26957 | COTHES | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 26958 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 26959 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26960 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26961 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26962 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26963 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26964 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26965 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26966 | COTINGA | Custer County, OK | Oil & Gas Property | Jan 2026 |
| 26967 | COTNER | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 26968 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 26969 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 26970 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 26971 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 26972 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 26973 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26974 | COTT | Marion County, KS | Gas Property | Nov 2023 |
| 26975 | COTT | Stevens County, KS | Gas Property | Sep 2025 |
| 26976 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 26977 | COTTER 1 | Barton County, KS | Oil Property | Sep 2025 |
| 26978 | COTTER 2015 | Major County, OK | Oil & Gas Property | Dec 2025 |
| 26979 | COTTER G | Hansford County, TX | Oil & Gas Property | Mar 2017 |
| 26980 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Sep 2025 |
| 26981 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26982 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2025 |
| 26983 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26984 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26985 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26986 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26987 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26988 | COTTLE | Young County, TX | Oil & Gas Property | Dec 2025 |
| 26989 | COTTLE | Shackelford County, TX | Oil & Gas Property | Dec 2025 |
| 26990 | COTTLE 5892 21-30 | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 26991 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 26992 | COTTMAN | Kay County, OK | Oil & Gas Property | Apr 2019 |
| 26993 | COTTOM | Major County, OK | Oil & Gas Property | Dec 2025 |
| 26994 | COTTOM | Wichita County, TX | Oil & Gas Property | Dec 2025 |
| 26995 | COTTON | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 26996 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26997 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26998 | COTTON | Garvin County, OK | Oil & Gas Property | Dec 2025 |
| 26999 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 27000 | COTTON | Terry County, TX | Oil & Gas Property | Dec 2025 |