| Fredericksburg F O-10-61729 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Midland | 5 | 807K | 2.09M | Apr 2024 – Jul 2026 |
| Fredericksburg E O-10-61724 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Midland | 5 | 682K | 1.91M | Apr 2024 – Jul 2026 |
| Fredericksburg G O-10-61920 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Midland | 3 | 585K | 1.2M | Apr 2024 – Jul 2026 |
| Fredericksburg O-10-61710 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Midland | 4 | 513K | 1.23M | Apr 2024 – Jul 2026 |
| Frederick /Luling/ O-7-7897 | Basa Resources, Inc. only | East Texas | — | 3 | 151K | 21 | Jan 1993 – Jul 2026 |
| Frederick -B- O-7-6670 | Rmor Production only | East Texas | — | 2 | 146K | 46 | Jan 1993 – Jul 2026 |
| Frederick, W. H.(MUSTANG1) O-7-6463 | Basa Resources, Inc. only | East Texas | Rusk | 4 | 114K | 20 | Jan 1993 – Jul 2026 |
| Frederick /David/ O-7-6474 | Basa Resources, Inc. only | East Texas | — | 4 | 70.2K | 21 | Jan 1993 – Jul 2026 |
| Frederick (Powell) O-7-6308 | Basa Resources, Inc. only | East Texas | — | 5 | 66.2K | 21 | Jan 1993 – Jul 2026 |
| Ashby O-8-23809 | Crystal J Oil and Gas LLC only | Frederickson (Goen Lime) | Taylor | 1 | 61.6K | 55.8K | Jan 1993 – Jul 2026 |
| Frederick /M&G/ O-7-7898 | Basa Resources, Inc. only | East Texas | — | 2 | 49.7K | 20 | Jan 1993 – Jul 2026 |
| Frederick -H- O-7-6289 | Basa Resources, Inc. only | East Texas | — | 1 | 39.2K | 21 | Jan 1993 – Jul 2026 |
| Frederick, W. H. O-7-8329 | Basa Resources, Inc. only | East Texas | — | 4 | 38.6K | 7.82K | Jan 1993 – Jul 2026 |
| Frederick -L- O-7-6290 | Basa Resources, Inc. only | East Texas | — | 1 | 31.3K | 21 | Jan 1993 – Jul 2026 |
| Frederick O-7-6104 | 4-Sight Operating Company, Ltd. only | East Texas | — | 3 | 31.2K | 21 | Jan 1993 – Jul 2026 |
| Frederick, W. H.(mustang) O-7-8713 | Basa Resources, Inc. only | East Texas | Rusk | 1 | 29.7K | 20 | Jan 1993 – Jul 2026 |
| Braune "A" O-8-25419 | Crystal J Oil and Gas LLC only | Frederickson (Goen Lime) | Taylor | 1 | 27.6K | 39.3K | Jan 1993 – Jul 2026 |
| Ashby "B" O-8-24225 | Crystal J Oil and Gas LLC only | Frederickson (Goen Lime) | Taylor | 3 | 22K | 42.1K | Jan 1993 – Jul 2026 |
| Beaird O-8-24540 | TKP Petroleum, Inc. only | Frederickson (Goen Lime) | Taylor | 1 | 19.8K | 8.37K | Jan 1993 – Jul 2026 |
| Blanks O-8-23954 | Crystal J Oil and Gas LLC only | Frederickson (Goen Lime) | Taylor | 1 | 19.1K | 24.5K | Jan 1993 – Jul 2026 |
| Frederick O-6-14180 | Basa Resources, Inc. only | Willow Springs, W.(tr. Pk.) | Gregg | 1 | 16.8K | 63.3K | Aug 2002 – Apr 2018 |
| Harris, Frederick O-1-13293 | Offspring Well Salvage only | Pearsall (Austin Chalk) | La Salle | 1 | 9.89K | 87 | Jan 1993 – Jul 2026 |
| Frederick, W. H. -C- O-7-6489 | Basa Resources, Inc. only | East Texas | — | 2 | 9.58K | 20 | Jan 1993 – Jul 2026 |
| Frederick A&b O-7-7677 | Basa Resources, Inc. only | East Texas | — | 5 | 8.74K | 20 | Jan 1993 – Jul 2026 |
| Frederick -P- O-7-7314 | Basa Resources, Inc. only | East Texas | — | 1 | 8.68K | 21 | Jan 1993 – Jul 2026 |
| Richards O-8-24857 | TKP Petroleum, Inc. only | Frederickson (Goen Lime) | Taylor | 1 | 5.13K | 2.65K | Jan 1993 – Jul 2026 |
| Holley O-8-24292 | Aztex Petroleum only | Frederickson (Goen Lime) | Taylor | 1 | 4.64K | 1.45K | Jan 1993 – Jul 2026 |
| Frederick -B- O-7-7435 | Dyersdale Energy II, L.P. only | East Texas | — | 2 | 2.59K | 11 | Jan 1993 – Jul 2026 |
| Lindsey O-8-24253 | TKP Petroleum, Inc. only | Frederickson (Goen Lime) | Taylor | 2 | 2.24K | 12.6K | Jan 1993 – Jan 2013 |
| Frederick O-6-14946 | Tanos Exploration II, LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 2.06K | 4.91K | Feb 2010 – Apr 2018 |
| Fredericks O-7-6894 | Herrin, Frances Key only | East Texas | — | 1 | 1.9K | 42 | Jan 1993 – Jul 2026 |
| Frederickson O-8-24054 | Smith Pipe of Abilene only | Dusa (Jennings Sand) | Taylor | 1 | 1.44K | 2.01K | Jan 1993 – Apr 2011 |
| Holley -A- O-8-25086 | TKP Petroleum, Inc. only | Frederickson (Goen Lime) | Taylor | 1 | 977 | 86 | Jan 1993 – Jul 2026 |
| Frederick -A- O-7-8436 | Long Trusts, The only | East Texas | — | 6 | 227 | 9 | Jan 1993 – Jul 2026 |
| Frederick,w.h. -A- O-7-7257 | Hopkins, T. M. Operating Co. only | East Texas | — | 1 | 44 | 28 | Jan 1993 – Dec 2002 |
| Greer, Frederick E. O-3-7492 | Hatten Oil Co. only | Spindletop | — | 6 | 37 | 2 | Jan 1993 – Jul 2026 |
| Frederick G-2-111414 | M-G Gas Company, Inc. only | Michael Dean (Het Upper) | Live Oak | 1 | 0 | 0 | Jan 1993 – Jun 1999 |
| Frederick Gas Unit G-6-231706 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 1.13M | Aug 2007 – Jul 2026 |
| Frederick Gas Unit G-6-230640 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 394K | Jul 2007 – Jul 2026 |
| Frederick Gas Unit G-6-229464 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 187K | May 2007 – Jul 2026 |
| Frederick Gas Unit G-6-226458 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 360K | Feb 2007 – Jul 2026 |
| Frederick Gas Unit G-6-225131 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 960K | Dec 2006 – Jul 2026 |
| Frederick Gas Unit G-6-225120 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 156K | Dec 2006 – Jul 2026 |
| Frederick Gas Unit G-6-219016 | SND Operating, L.L.C. only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 0 | 405K | Dec 2005 – Jul 2026 |
| Frederick Gas Unit G-6-203633 | Chesapeake Operating, Inc. only | Naconiche Creek (Pettit) | Nacogdoches | 1 | 0 | 0 | Jul 2004 – Dec 2005 |
| Frederick Gas Unit G-6-203632 | Shoco Production LLC only | Naconiche Creek (Travis Peak) | Nacogdoches | 1 | 0 | 302K | Jul 2004 – Jul 2020 |
| Holiday, C.C. "A" G-6-201005 | Chevron U. S. A. Inc. only | Earnest Hill (Fredericksburg) | Panola | 1 | 0 | 19.5K | Dec 2003 – Jan 2011 |
| Werner, Louis Sawmill G-6-171148 | Pedernales Petroleum OP, LLC only | Earnest Hill (Fredericksburg) | Panola | 1 | 0 | 165K | Oct 1998 – Jul 2026 |
| Frederick G-6-145984 | Mustang Operating Company only | White Oak (Cotton Valley Sand) | Gregg | 1 | 0 | 1.17M | Jun 1993 – Aug 2002 |
| Crane A-95 G-6-127833 | Silver Hill Energy Operating LLC only | Earnest Hill (Fredericksburg) | Shelby | 1 | 0 | 8.23K | Jan 1993 – Mar 2025 |