| 1 | FALKS GAS UNIT 1 | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 2 | FALLS CITY | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 3 | FELIX UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 4 | FELIX-SMITH MELLICK SA 1H | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 5 | FERTSCH | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 6 | FINKHOUSE HORIZONTAL UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 7 | FINLEY UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 8 | FISCHER UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 9 | FITCH UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 10 | FLEETWOOD UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 11 | FLYING-FORISTER | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 12 | FOEGELLE | Karnes County, TX | Oil & Gas Property | Jun 2019 |
| 13 | FOEGELLE-DUGIE UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 14 | FOO UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 15 | FOO-HERO | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 16 | FORISTER 541 | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 17 | FORISTER-JANYSEK UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 18 | FORSHAGE-HOWELL UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 19 | FOSTER UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 20 | FOX - STOELTJE | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 21 | FOX UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 22 | FOX-FITCH (SA) A | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 23 | FRANKE UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 24 | FRANKE-FOSTER-PATINO SA1 | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 25 | FRANKE-JOHNSON | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 26 | FRANKE-MAKOWSKI (SA) | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 27 | FRANKE-MAY UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 28 | FRANKE-MAY-RYAN UNIT A-B ALC | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 29 | FRANKLIN UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 30 | FRANSEN UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 31 | FRANSEN-DIRECT ASSETS SA | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 32 | FREYJA | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 33 | FUJI UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |