| Fee "BM" O-10-42190 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 55 | 10.3M | 13M | Aug 2011 – Jul 2026 |
| Fee 'BP' O-10-54222 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 41 | 8.63M | 9.11M | Feb 2020 – Jul 2026 |
| Fee 'CF' O-10-51266 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 24 | 6.74M | 9.74M | Sep 2018 – Jul 2026 |
| Fee 'BN' O-10-40115 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 75 | 6.57M | 14.8M | Apr 2010 – Jul 2026 |
| Fee 'AO' O-10-45931 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 28 | 6.16M | 7.11M | Nov 2014 – Jul 2026 |
| Fee 'BV' O-10-49973 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 24 | 4.69M | 4.6M | Dec 2017 – Jul 2026 |
| Mfe Unit O-10-33264 | Fasken Oil and Ranch, Ltd. | M.F.E. (Grayburg) | Andrews | 52 | 4.19M | 835K | Jan 1993 – Jul 2026 |
| Fee 'CD' O-10-45935 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 11 | 3.37M | 5.33M | Dec 2014 – Jul 2026 |
| State University Hutex Cons. O-10-21010 | Fasken Oil and Ranch, Ltd. | Hutex (Devonian) | Andrews | 22 | 2.98M | 152K | Jan 1993 – Jul 2026 |
| Fee 'BQ' O-10-47041 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 45 | 2.95M | 13.4M | Oct 2015 – Jul 2026 |
| Fee "AW" O-10-39539 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Midland | 48 | 2.52M | 9.3M | Jun 2009 – Jul 2026 |
| Serio (Grayburg)unit O-10-37270 | Fasken Oil and Ranch, Ltd. | Serio (Grayburg) | Andrews | 52 | 1.54M | 159K | May 2004 – Jul 2026 |
| Fee -Y- O-10-23655 | Fasken Oil and Ranch, Ltd. | Serio (Grayburg) | Andrews | 34 | 1.43M | 210K | Jan 1993 – Jul 2026 |
| Midland Farms NO Grby UT O-10-9893 | Fasken Oil and Ranch, Ltd. | Midland Farms, North (Grayburg) | Andrews | 71 | 1.38M | 77.1K | Jan 1993 – Oct 2025 |
| Fee 'BH' O-10-45317 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Midland | 20 | 1.05M | 3.23M | Apr 2014 – Jul 2026 |
| Fee "AL" O-10-39989 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 19 | 1.05M | 4.97M | Mar 2010 – Jul 2026 |
| Fee "AD" O-10-41382 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Midland | 18 | 1.04M | 4.09M | Jul 2011 – Jul 2026 |
| University -E- O-10-12531 | Fasken Oil and Ranch, Ltd. | Hutex (Devonian) | Andrews | 3 | 837K | 114K | Jan 1993 – Jul 2026 |
| Fasken Block "CB" a/C 2 O-10-4035 | Fasken Oil and Ranch, Ltd. | Magutex (Devonian) | Andrews | 3 | 617K | 460K | Jan 1993 – Jul 2026 |
| Fee -ZA- O-10-28118 | Fasken Oil and Ranch, Ltd. | Fasken(wolfcamp 8400) | Andrews | 7 | 489K | 527K | Jan 1993 – Jul 2026 |
| U-Texas #36994-a/C #2 O-10-4038 | Fasken Oil and Ranch, Ltd. | Magutex (Devonian) | Andrews | 7 | 447K | 294K | Jan 1993 – Jul 2026 |
| Holt, O. B., -H- O-10-16153 | Fasken Oil and Ranch, Ltd. | Cowden, North | Andrews | 6 | 423K | 140K | Jan 1993 – Jul 2026 |
| U-Texas #36995 O-10-4049 | Fasken Oil and Ranch, Ltd. | Magutex (Ellenburger) | Andrews | 5 | 400K | 289K | Jan 1993 – Jul 2026 |
| Fasken O-10-23406 | Fasken Oil and Ranch, Ltd. | Serio (Grayburg) | Andrews | 8 | 397K | 39K | Jan 1993 – May 2016 |
| Fee 'AP' O-10-43074 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 12 | 357K | 1.06M | Feb 2013 – Jul 2026 |
| Fee BMN D O-10-63531 | Fasken Oil and Ranch, Ltd. | Emma (Barnett Shale) | Andrews | 1 | 339K | 857K | Feb 2025 – Jul 2026 |
| U-Texas #36995-a/C 2 O-10-4039 | Fasken Oil and Ranch, Ltd. | Magutex (Devonian) | Andrews | 6 | 303K | 207K | Jan 1993 – Jul 2026 |
| Fee -J- O-10-12602 | Fasken Oil and Ranch, Ltd. | Block 2 (Grayburg) | Andrews | 9 | 284K | 15.3K | Jan 1993 – Jul 2026 |
| Fasken ZB 4143 O-10-61062 | Fasken Oil and Ranch, Ltd. | Emma (Barnett Shale) | Andrews | 1 | 224K | 514K | Jan 2024 – Jul 2026 |
| Monterey University O-10-30532 | Fasken Oil and Ranch, Ltd. | Fullerton (San Andres) | Andrews | 5 | 220K | 184K | Jan 1993 – Jul 2026 |
| Fasken, C.B. a/C 2 O-10-37317 | Fasken Oil and Ranch, Ltd. | Magutex (Wolfcamp) | Andrews | 3 | 220K | 137K | May 2004 – Jul 2026 |
| Fee 'AR' O-10-64235 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | Andrews | 6 | 187K | 145K | Sep 2024 – Jul 2026 |
| University -25- O-10-21700 | Fasken Oil and Ranch, Ltd. | Magutex (Queen) | Andrews | 4 | 155K | 75.3K | Jan 1993 – Jul 2026 |
| Fee -ZB- O-10-29318 | Fasken Oil and Ranch, Ltd. | Cowden, North | Andrews | 4 | 129K | 98.6K | Jan 1993 – Jul 2026 |
| Fee -ZA- O-10-27238 | Fasken Oil and Ranch, Ltd. | Fasken (Penn.) | Andrews | 13 | 125K | 1.37M | Jan 1993 – Jul 2026 |
| Fasken ZA 4143 O-10-61132 | Fasken Oil and Ranch, Ltd. | Emma (Barnett Shale) | Andrews | 1 | 109K | 218K | Jan 2024 – May 2025 |
| Fee -ZC- O-10-27543 | Fasken Oil and Ranch, Ltd. | Fasken (Penn.) | Andrews | 1 | 88.6K | 119K | Jan 1993 – Jul 2026 |
| Fee "ZB" O-10-36882 | Fasken Oil and Ranch, Ltd. | Fasken(wolfcamp 8400) | Andrews | 1 | 81.1K | 94.2K | Apr 2002 – Jul 2026 |
| University "40" O-10-36120 | Fasken Oil and Ranch, Ltd. | McFarland (Queen) | Andrews | 1 | 74.5K | 12.2K | Oct 1999 – Jul 2026 |
| Fasken, David -BL- O-10-26671 | Fasken Oil and Ranch, Ltd. | C-Ranch, South (Wolfcamp) | Andrews | 1 | 71K | 23.2K | Jan 1993 – Jul 2026 |
| U-Tex 36989 O-10-32797 | Fasken Oil and Ranch, Ltd. | Magutex (Devonian) | Andrews | 2 | 64.7K | 29K | Jan 1993 – Jul 2026 |
| Fee "A" O-10-39020 | Fasken Oil and Ranch, Ltd. | Magutex (Wolfcamp) | Andrews | 1 | 62.3K | 80.7K | Jan 2008 – Jul 2026 |
| Fee -ZE- O-10-28831 | Fasken Oil and Ranch, Ltd. | Fasken(wolfcamp 8400) | Andrews | 1 | 55.8K | 73.7K | Jan 1993 – Jul 2026 |
| Fee "AQ" O-10-38965 | Fasken Oil and Ranch, Ltd. | Magutex (Wolfcamp) | Andrews | 1 | 49.9K | 94.8K | May 2008 – Jul 2026 |
| Fee "J" O-10-36121 | Fasken Oil and Ranch, Ltd. | Fasken (Wolfcamp) | Andrews | 1 | 49.7K | 327K | Oct 1999 – Jul 2026 |
| Fee "L" O-10-38818 | Fasken Oil and Ranch, Ltd. | Fasken (Penn. 8800) | Andrews | 1 | 48.7K | 63.6K | Feb 2006 – Jul 2026 |
| Fee "AR" O-10-38806 | Fasken Oil and Ranch, Ltd. | Magutex (Wolfcamp) | Andrews | 1 | 47.8K | 86.9K | May 2008 – Jul 2026 |
| U-Texas 36989 O-10-26456 | Fasken Oil and Ranch, Ltd. | Magutex (Wolfcamp) | Andrews | 2 | 47.3K | 42.9K | Jan 1993 – Jul 2026 |
| University "40B" O-10-36444 | Fasken Oil and Ranch, Ltd. | McFarland (Queen) | Andrews | 2 | 46.9K | 12.5K | Nov 2000 – Jul 2026 |
| Midland Farms -AX- O-10-27799 | Fasken Oil and Ranch, Ltd. | Fasken (Penn.) | Andrews | 5 | 42.3K | 710K | Jan 1993 – Jul 2026 |