| 1 | FARLEY GD 1H | Leon County, TX | Gas Property | Jan 2026 |
| 2 | FLOYD | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 3 | FOLEY GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 4 | FOSSIL | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 5 | FOSSIL BELIN GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 6 | FOSSIL DONELSON GAS UNIT #1 | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 7 | FOSSIL LONE OAK RANCH | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 8 | FOSSIL STREATER GAS UNIT NO. 1 1 | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 9 | FOSSIL WILDMAN | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 10 | FOUNTAIN | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 11 | FOUNTAIN II SARANDOS ALLOCATION | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 12 | FRISON | Leon County, TX | Oil & Gas Property | Mar 2015 |
| 13 | FULLEN | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 14 | FULLEN G | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 15 | FURLOUGH GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2026 |