| Franke Unit O-2-10829 | Devon Energy Production Co, L.P. only | Sugarkane (Eagle Ford) | Karnes | 9 | 2.96M | 9.16M | Jul 2012 – Jul 2026 |
| Frank Powell 20-29 O-9-20101 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 11 | 2.9M | 12.8M | Jul 2018 – Jul 2026 |
| Leo Frank Unit B O-2-10567 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 8 | 2.68M | 3.69M | Apr 2013 – Jul 2026 |
| Leo Frank Unit A O-2-10576 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 7 | 2.6M | 3.42M | Apr 2013 – Jul 2026 |
| Franklin Unit O-2-10174 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 11 | 2.55M | 2.83M | Aug 2012 – Jul 2026 |
| Frank Powell 30-31 O-9-20849 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 10 | 2.25M | 17.1M | Aug 2019 – Jul 2026 |
| Franke-May Unit A O-2-10788 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 6 | 1.73M | 2.11M | Apr 2014 – Jul 2026 |
| Franke-May Unit B O-2-10703 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 6 | 1.56M | 1.9M | Nov 2013 – Jul 2026 |
| Frank -B- O-10-36889 | Maverick Permian LLC only | Goldsmith (Clear Fork) | Ector | 19 | 1.27M | 7.61M | Jun 2002 – Jul 2026 |
| Federal Gayatt O-3-22502 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 1.25M | 831K | Apr 1994 – Jul 2026 |
| Trust Unit O-3-22288 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 1.08M | 362K | Feb 1994 – Jul 2026 |
| Weir, W. C. -A- O-8-5152 | Clear Fork, Incorporated only | Frankirk, N. (Canyon Reef) | Stonewall | 8 | 1.05M | 136K | Jan 1993 – Jul 2026 |
| Frank -B- O-10-221 | Maverick Permian LLC only | Andector (Ellenburger) | Ector | 12 | 971K | 1.26M | Jan 1993 – Jul 2026 |
| Frank Powell 17-08 O-9-22019 | XTO Energy Inc. only | Spraberry (Trend Area) | Reagan | 5 | 932K | 4.8M | Aug 2022 – Jul 2026 |
| Franklin Unit O-2-11826 | Devon Energy Production Co, L.P. only | Sugarkane (Austin Chalk) | Karnes | 4 | 928K | 1.08M | Jul 2019 – Jul 2026 |
| Franks /8900 Sand/ Unit O-3-6493 | Hilcorp Energy Company only | Franks (8900 Sand) | Galveston | 21 | 705K | 1.2M | Jan 1993 – Jul 2026 |
| Alexander, Thos. P. Etal O-3-21769 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 698K | 340K | Jan 1993 – Sep 2025 |
| Givan, Frank E. O-11-6043 | Hilcorp Energy Company only | Slaughter | Hockley | 5 | 664K | 2.04M | Jan 1993 – Jul 2026 |
| Frank Midkiff 35 Allocation 3808 O-10-48711 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 551K | 4.01M | Apr 2017 – Jul 2026 |
| Frank Midkiff 35 Allocation 2618 O-10-48620 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 538K | 3.5M | Apr 2017 – Jul 2026 |
| Frank-Sally 11K O-10-59933 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 522K | 750K | May 2023 – Jul 2026 |
| Cowden, Frank R/a -A- O-10-831 | Occidental Permian Ltd. only | Cowden, North (Deep) | Andrews | 7 | 501K | 79.9K | Jan 1993 – Jul 2026 |
| Frank-Sally 11F O-10-59891 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 498K | 917K | Oct 2023 – Jul 2026 |
| Franklin 8 O-10-35177 | Pioneer Natural Res. USA, Inc. only | Alfalfa (Fusselman) | Howard | 1 | 468K | 0 | Jan 1997 – Mar 2022 |
| Frank Midkiff 35 Allocation 3805 O-10-49657 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 460K | 2.94M | Oct 2017 – Jul 2026 |
| Frank Midkiff 35 Allocation 3807 O-10-49773 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 454K | 3.67M | Sep 2017 – Jul 2026 |
| Trust O-3-21999 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 3 | 435K | 367K | Apr 1993 – Jul 2026 |
| Addis, Frank V. O-10-21062 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 9 | 432K | 381K | Jan 1993 – Jul 2026 |
| Frank 11N O-10-59742 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 429K | 728K | Apr 2023 – Jul 2026 |
| Franklin "42" O-10-37063 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 9 | 428K | 1.13M | Apr 2003 – Jul 2026 |
| Frank-Sally 11A O-10-59890 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 419K | 789K | May 2023 – Jul 2026 |
| C. E. Franks Gas Unit O-3-24409 | Hilcorp Energy Company only | Franks (Banfield) | Galveston | 1 | 419K | 1.57M | Aug 2003 – Jul 2026 |
| Clarke, Frank Jr. NCT-1 O-10-34675 | Hilcorp Energy Company only | Andrews (Wolfcamp-Penn.) | Andrews | 4 | 419K | 149K | Oct 1995 – Jul 2026 |
| Addis, Frank V. -D- O-10-912 | Occidental Permian Ltd. only | Cowden, South | Ector | 9 | 417K | 166K | Jan 1993 – Jul 2026 |
| Frank -B- O-10-46119 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 6 | 416K | 1.73M | Sep 2014 – Jul 2026 |
| Frank 11M O-10-59715 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 403K | 611K | Mar 2023 – Jul 2026 |
| Frank-Morgan E27C O-9-20795 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 1 | 399K | 1.52M | Jul 2019 – Jul 2026 |
| Franklin, O. B. O-11-4613 | Viejo Oil & Gas, LLC only | P. H. D. | Garza | 9 | 397K | 20 | Jan 1993 – Jul 2026 |
| Frank 11L O-10-59499 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 396K | 908K | Feb 2023 – Jul 2026 |
| Frank-Morgan E27B O-9-20796 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 1 | 384K | 1.47M | Jul 2019 – Jul 2026 |
| John Franklin 247 C O-10-61364 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 382K | 553K | Feb 2024 – Jul 2026 |
| Frank Midkiff 35 Allocation 2605 O-10-49656 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 382K | 3.15M | Oct 2017 – Jul 2026 |
| Frank-Morgan E27A O-9-20797 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 1 | 369K | 1.28M | Jan 2020 – Jul 2026 |
| Frank 11C O-10-60036 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 366K | 798K | Oct 2023 – Jul 2026 |
| Franke-May-Ryan Unit a-B Alc O-2-11733 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 364K | 405K | Apr 2019 – Jul 2026 |
| Clark, Frank O-10-34704 | Morningstar Operating LLC only | Andrews (Wolfcamp-Penn.) | Andrews | 4 | 362K | 669K | Oct 1995 – Jul 2026 |
| Frank 11KK O-10-61374 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 356K | 705K | Dec 2023 – Jul 2026 |
| Frank Midkiff 35 Allocation 2617 O-10-49645 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 349K | 3.86M | Nov 2017 – Jul 2026 |
| Frank 11G O-10-59714 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 346K | 1.09M | Mar 2023 – Jul 2026 |
| Frank 11O O-10-59839 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 343K | 347K | Apr 2023 – Jul 2026 |