| 401 | CWDU JRJ | Converse County, WY | Oil & Gas Property | May 2026 |
| 402 | CWDU STEINLE FED 08-053870 | Converse County, WY | Oil & Gas Property | May 2026 |
| 403 | CWDU STODDARD FED 11-023871 | Converse County, WY | Oil & Gas Property | May 2026 |
| 404 | CWDU T-55 FED 06-313971 | Converse County, WY | Oil & Gas Property | May 2026 |
| 405 | CWDU T-55 FED 31-063871-3XPH | Converse County, WY | Oil & Gas Property | May 2026 |
| 406 | CWDU TILLARD FED 19-073871 | Converse County, WY | Oil & Gas Property | May 2026 |
| 407 | CYNTHIA | Washakie County, WY | Oil Property | May 2025 |
| 408 | CYPHER CS FED | Campbell County, WY | Gas Property | Aug 2018 |
| 409 | CZAPLA | Campbell County, WY | Oil Property | Aug 1982 |