| 27001 | COUGHLAN-W | Kingfisher County, OK | Oil & Gas Property | Jul 2017 |
| 27002 | COUGHLEN | Lyon County, KS | Oil Property | Mar 1987 |
| 27003 | COUGHLIN | Potter County, TX | Gas Property | Aug 2025 |
| 27004 | COUGHLIN | Albany County, WY | Oil & Gas Property | Aug 2025 |
| 27005 | COULSON | Custer County, OK | Oil & Gas Property | Jul 2025 |
| 27006 | COULSON 2 | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 27007 | COULSON, NATHAN | Taylor County, WV | Gas Property | Dec 2021 |
| 27008 | COULTER | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 27009 | COULTER | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 27010 | COULTER | Licking County, OH | Oil & Gas Property | Dec 1987 |
| 27011 | COULTER | Grant County, OK | Oil & Gas Property | Aug 2025 |
| 27012 | COULTER | Williams County, ND | Oil & Gas Property | Sep 2025 |
| 27013 | COULTER | Milam County, TX | Oil & Gas Property | Aug 2025 |
| 27014 | COULTER | Fort Bend County, TX | Oil & Gas Property | Jun 2025 |
| 27015 | COULTER | Stevens County, KS | Oil & Gas Property | Jun 2025 |
| 27016 | COULTER | Stevens County, KS | Gas Property | Jun 2025 |
| 27017 | COULTER | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 27018 | COULTER | Perry County, OH | Oil & Gas Property | Dec 2012 |
| 27019 | COULTER | Kern County, CA | Oil & Gas Property | Nov 1989 |
| 27020 | COULTER | Major County, OK | Oil & Gas Property | Aug 2025 |
| 27021 | COULTER | Grant County, OK | Oil & Gas Property | Aug 2025 |
| 27022 | COULTER HOPPESS UNIT 1 | Robertson County, TX | Oil & Gas Property | Aug 2025 |
| 27023 | COULTER SPRABERRY UNIT | Garza County, TX | Oil & Gas Property | Aug 2025 |
| 27024 | COULTER UNIT 3-5 | Stevens County, KS | Oil & Gas Property | Oct 1989 |
| 27025 | COUNCIL | Upton County, TX | Oil & Gas Property | Aug 2025 |
| 27026 | COUNCIL | Franklin County, AR | Gas Property | Jun 2024 |
| 27027 | COUNCIL | Sterling County, TX | Oil & Gas Property | Aug 2025 |
| 27028 | COUNT FLEET 11 | Reeves County, TX | Oil & Gas Property | Jul 2025 |
| 27029 | COUNT FLEET 48 S | Culberson County, TX | Oil & Gas Property | Aug 2025 |
| 27030 | COUNT TURF 47-38 STATE | Culberson County, TX | Oil & Gas Property | Aug 2025 |
| 27031 | COUNTER | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 27032 | COUNTISS | McMullen County, TX | Oil & Gas Property | Aug 2025 |
| 27033 | COUNTISS | Nueces County, TX | Oil & Gas Property | Jun 2024 |
| 27034 | COUNTISS | Midland County, TX | Oil & Gas Property | Aug 2024 |
| 27035 | COUNTRY CLUB | Pratt County, KS | Oil & Gas Property | Jun 2025 |
| 27036 | COUNTRY CLUB | Grayson County, TX | Oil & Gas Property | Aug 2025 |
| 27037 | COUNTRYMAN | Elk County, KS | Oil Property | Jun 2025 |
| 27038 | COUNTRYSIDE | Cattaraugus County, NY | Gas Property | Dec 2023 |
| 27039 | COUNTS, JONNIE & RENE | Logan County, WV | Gas Property | Dec 2021 |
| 27040 | COUNTY 11-13-5-2E | Uintah County, UT | Oil & Gas Property | Aug 2025 |
| 27041 | COUNTY FAIR FEDERAL COM | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 27042 | COUNTY FAIR GROUNDS | Ogemaw County, MI | Oil Property | Jul 2025 |
| 27043 | COUNTY FARM | Allen County, KS | Oil Property | Dec 1987 |
| 27044 | COUNTY INFIRMARY | Morgan County, OH | Oil & Gas Property | Dec 2024 |
| 27045 | COUNTY LINE | Pottawatomie County, OK | Oil & Gas Property | Jun 2025 |
| 27046 | COUNTY LINE | Andrews County, TX | Oil Property | Jan 2022 |
| 27047 | COUNTY LINE | Lincoln County, WY | Oil & Gas Property | Aug 2025 |
| 27048 | COUNTY LINE | Creek County, OK | Oil & Gas Property | Dec 2019 |
| 27049 | COUNTY LINE | Fisher County, TX | Oil Property | Aug 2025 |
| 27050 | COUNTY LINE | Grady County, OK | Oil & Gas Property | Jun 2025 |
| 27051 | COUNTY LINE | Stephens County, TX | Oil & Gas Property | Aug 2025 |
| 27052 | COUNTY LINE | Johnson County, TX | Gas Property | Aug 2025 |
| 27053 | COUNTY LINE 1 | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 27054 | COUNTY LINE 1 FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 27055 | COUNTY LINE 2920 | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 27056 | COUNTY LINE 3 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 27057 | COUNTY LINE BRUHLMEYER UNIT | Cooke County, TX | Oil & Gas Property | Aug 2025 |
| 27058 | COUNTY LINE HI DY HO | Johnson County, TX | Oil & Gas Property | Aug 2025 |
| 27059 | COUNTY LINE SOUTH | Nolan County, TX | Oil & Gas Property | Aug 2025 |
| 27060 | COUNTY OF ARMSTRONG | Armstrong County, PA | Gas Property | Dec 2024 |
| 27061 | COUNTY OF BAY | Bay County, MI | Oil Property | Mar 2025 |
| 27062 | COUNTYLINE 0508-1 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 27063 | COUPE | Schleicher County, TX | Oil & Gas Property | Mar 2024 |
| 27064 | COUPE MARY | Schleicher County, TX | Oil & Gas Property | Aug 2025 |
| 27065 | COURAGE | Duchesne County, UT | Oil & Gas Property | Jul 2025 |
| 27066 | COURAGE 150-94-06A-18H | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 27067 | COURAND | Atascosa County, TX | Oil & Gas Property | Aug 2025 |
| 27068 | COURBET | Carter County, OK | Oil & Gas Property | Jul 2025 |
| 27069 | COURCHENE | Roosevelt County, MT | Oil & Gas Property | Aug 2025 |
| 27070 | COURNOYER 11-17H | Dunn County, ND | Oil & Gas Property | Sep 2025 |
| 27071 | COURSEY | Dewey County, OK | Oil & Gas Property | Jul 2015 |
| 27072 | COURSEY | Wise County, TX | Oil & Gas Property | Aug 2025 |
| 27073 | COURSEY UNIT (ALLOC) 3H | Wise County, TX | Oil & Gas Property | Aug 2025 |
| 27074 | COURSON | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27075 | COURSON | Roberts County, TX | Oil & Gas Property | Aug 2025 |
| 27076 | COURSON | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27077 | COURSON | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27078 | COURSON | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27079 | COURSON FAMILY 121 | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27080 | COURSON HANDLEY | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27081 | COURSON KEY 35 | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27082 | COURSON PARNELL | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27083 | COURSON RANCH | Roberts County, TX | Oil & Gas Property | Jul 2025 |
| 27084 | COURSON RANCH | Roberts County, TX | Oil & Gas Property | Aug 2025 |
| 27085 | COURSON WERMSKE 89 A C001CN | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27086 | COURSON-PARNELL | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 27087 | COURT 149-92-31D-30H | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 27088 | COURT OF TWO SISTERS | Seminole County, OK | Oil & Gas Property | Aug 2024 |
| 27089 | COURT PETER B | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 27090 | COURT T | Palo Pinto County, TX | Oil & Gas Property | Aug 2025 |
| 27091 | COURT V | Brazos County, TX | Oil & Gas Property | Aug 2025 |
| 27092 | COURTER | Garfield County, OK | Oil & Gas Property | Aug 2025 |
| 27093 | COURTHOUSE 57-27 | Reeves County, TX | Oil & Gas Property | Aug 2025 |
| 27094 | COURTLAND CO | Kanawha County, WV | Gas Property | Dec 2021 |
| 27095 | COURTLAND COMPANY | Kanawha County, WV | Gas Property | Dec 2021 |
| 27096 | COURTLAND MYERS | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 27097 | COURTNEY | Mercer County, PA | Gas Property | Dec 2024 |
| 27098 | COURTNEY | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 27099 | COURTNEY | Parker County, TX | Oil & Gas Property | Jun 2025 |
| 27100 | COURTNEY | Ector County, TX | Oil & Gas Property | Aug 2025 |