| 26901 | COSTANZO | Dickens County, TX | Oil & Gas Property | May 2025 |
| 26902 | COSTANZO | Summit County, OH | Oil & Gas Property | Dec 1994 |
| 26903 | COSTANZO UNIT | Washington County, PA | Oil & Gas Property | May 2025 |
| 26904 | COSTELLO | Palo Pinto County, TX | Oil & Gas Property | May 2025 |
| 26905 | COSTELLO | Carter County, OK | Oil Property | Feb 2025 |
| 26906 | COSTELLO 16 | Potter County, PA | Gas Property | Dec 2000 |
| 26907 | COSTELLO 2 | Coal County, OK | Gas Property | May 2025 |
| 26908 | COSTEN | Allegan County, MI | Oil Property | Sep 2024 |
| 26909 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 26910 | COSTILLA MABEE | Andrews County, TX | Oil & Gas Property | May 2025 |
| 26911 | COSTILOW | Latimer County, OK | Gas Property | Apr 2025 |
| 26912 | COSTILOW, DONALD L | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 26913 | COSTILOW, EARNEST | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 26914 | COSTLOW | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 26915 | COT EAST | Weld County, CO | Oil & Gas Property | May 2025 |
| 26916 | COT WEST | Weld County, CO | Oil & Gas Property | May 2025 |
| 26917 | COTCHA | Seminole County, OK | Oil Property | Apr 2025 |
| 26918 | COTHAM | Payne County, OK | Oil & Gas Property | May 2025 |
| 26919 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Dec 2024 |
| 26920 | COTHES | Andrews County, TX | Oil & Gas Property | May 2025 |
| 26921 | COTHREN UNIT | Wise County, TX | Oil & Gas Property | May 2025 |
| 26922 | COTIGA DEV | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26923 | COTIGA DEV. CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26924 | COTIGA DEVEL | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26925 | COTIGA DEVELOPMENT C | Mingo County, WV | Gas Property | Nov 2008 |
| 26926 | COTIGA DEVELOPMENT CO | Mingo County, WV | Gas Property | Dec 2021 |
| 26927 | COTIGA LIMITED PART | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26928 | COTIGA LTD P | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 26929 | COTNER | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 26930 | COTNER 35-14 | Garfield County, CO | Oil & Gas Property | May 2025 |
| 26931 | COTRONE-JEWISH WELFARE UNIT | Burleson County, TX | Oil & Gas Property | May 2025 |
| 26932 | COTROPIA-FERRARA UNIT | Robertson County, TX | Oil & Gas Property | May 2025 |
| 26933 | COTROPIA-FRAZIER UNIT | Robertson County, TX | Oil & Gas Property | May 2025 |
| 26934 | COTROPIA-MCCRADY UNIT | Robertson County, TX | Oil & Gas Property | May 2025 |
| 26935 | COTROPIA-PERRONE UNIT | Robertson County, TX | Oil & Gas Property | May 2025 |
| 26936 | COTSWOLD | Bienville Parish, LA | Gas Property | Dec 2024 |
| 26937 | COTT | Marion County, KS | Gas Property | Nov 2023 |
| 26938 | COTT | Stevens County, KS | Gas Property | Apr 2025 |
| 26939 | COTTEN | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 26940 | COTTER 1 | Barton County, KS | Oil Property | Apr 2025 |
| 26941 | COTTER 2015 | Major County, OK | Oil & Gas Property | May 2025 |
| 26942 | COTTER G | Hansford County, TX | Oil & Gas Property | Jan 2017 |
| 26943 | COTTERILL | Montgomery County, KS | Oil & Gas Property | Apr 2025 |
| 26944 | COTTERMAN | Ashtabula County, OH | Oil & Gas Property | Dec 2017 |
| 26945 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26946 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 1988 |
| 26947 | COTTERMAN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 26948 | COTTINGHAM | Union County, KY | Oil Property | Dec 2022 |
| 26949 | COTTINGHAM | Webster County, KY | Oil Property | Dec 2023 |
| 26950 | COTTINGHAM | Henderson County, KY | Oil Property | Dec 2014 |
| 26951 | COTTLE | Shackelford County, TX | Oil & Gas Property | May 2025 |
| 26952 | COTTLE 5892 21-30 | Mountrail County, ND | Oil & Gas Property | May 2025 |
| 26953 | COTTLE-REEVES UNIT | Panola County, TX | Oil & Gas Property | May 2025 |
| 26954 | COTTMAN | Kay County, OK | Oil & Gas Property | Mar 2019 |
| 26955 | COTTOM | Major County, OK | Oil & Gas Property | Apr 2025 |
| 26956 | COTTOM | Wichita County, TX | Oil & Gas Property | May 2025 |
| 26957 | COTTON | Roger Mills County, OK | Oil & Gas Property | Apr 2025 |
| 26958 | COTTON | Weston County, WY | Oil Property | Aug 2022 |
| 26959 | COTTON | Eastland County, TX | Oil & Gas Property | Aug 2015 |
| 26960 | COTTON | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 26961 | COTTON | Trego County, KS | Oil Property | Jun 2018 |
| 26962 | COTTON | Terry County, TX | Oil & Gas Property | May 2025 |
| 26963 | COTTON | Trego County, KS | Oil Property | Jan 2025 |
| 26964 | COTTON | Creek County, OK | Oil & Gas Property | Feb 2025 |
| 26965 | COTTON | Okmulgee County, OK | Oil Property | Jun 2009 |
| 26966 | COTTON | Seward County, KS | Oil & Gas Property | Apr 2025 |
| 26967 | COTTON | Burleson County, TX | Oil & Gas Property | Apr 2025 |
| 26968 | COTTON DRAW | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 26969 | COTTON DRAW | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26970 | COTTON DRAW 1 | Lea County, NM | Oil & Gas Property | May 2025 |
| 26971 | COTTON DRAW 25 36 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26972 | COTTON DRAW 32 STATE FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2023 |
| 26973 | COTTON GIN | Gaines County, TX | Oil & Gas Property | May 2025 |
| 26974 | COTTON HANLON 595 | Tioga County, PA | Gas Property | May 2025 |
| 26975 | COTTON LINDSEY | Gaines County, TX | Oil & Gas Property | May 2025 |
| 26976 | COTTON VALLEY | Adams County, MS | Oil & Gas Property | Oct 2011 |
| 26977 | COTTONBERRY 20 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26978 | COTTONMOUTH | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26979 | COTTONMOUTH 18-09-20 | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 26980 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | Apr 2025 |
| 26981 | COTTONTAIL 16 STATE COM | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26982 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 26983 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | Apr 2025 |
| 26984 | COTTONWOOD | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26985 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 26986 | COTTONWOOD | Culberson County, TX | Oil & Gas Property | May 2025 |
| 26987 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Dec 2005 |
| 26988 | COTTONWOOD | Karnes County, TX | Oil & Gas Property | May 2025 |
| 26989 | COTTONWOOD | Eddy County, NM | Oil Property | Apr 1994 |
| 26990 | COTTONWOOD | Sublette County, WY | Oil & Gas Property | May 2025 |
| 26991 | COTTONWOOD | Mountrail County, ND | Oil & Gas Property | May 2025 |
| 26992 | COTTONWOOD | Uintah County, UT | Oil & Gas Property | Feb 2013 |
| 26993 | COTTONWOOD | Washakie County, WY | Oil & Gas Property | Jun 2025 |
| 26994 | COTTONWOOD | Howard County, TX | Oil & Gas Property | May 2025 |
| 26995 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 26996 | COTTONWOOD | Campbell County, WY | Oil & Gas Property | May 2025 |
| 26997 | COTTONWOOD 1-12HB | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 26998 | COTTONWOOD 10-25-12 1H | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 26999 | COTTONWOOD 27-27 | Winkler County, TX | Oil & Gas Property | May 2025 |
| 27000 | COTTONWOOD 29 32 FEDERAL COM | Eddy County, NM | Oil & Gas Property | May 2025 |