| Cleveland a 601 O-11-70404 | Riley Permian Operating Co, LLC only | Platang (San Andres) | Yoakum | 4 | 1.11M | 2.46M | Aug 2015 – Jul 2026 |
| Midkiff 34-46 4601 O-10-57273 | XTO Energy Inc. only | Spraberry (Trend Area) | Midland | 1 | 426K | 2.38M | Jul 2021 – Jul 2026 |
| Atascosa 601 Unit O-1-15863 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | Atascosa | 3 | 405K | 352K | Feb 2012 – Jul 2026 |
| Marco 1601A O-9-19266 | OXY USA WTP LP only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 355K | 1.27M | Dec 2015 – Jul 2026 |
| Marco 1601BU O-9-19267 | OXY USA WTP LP only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 267K | 2.6M | Dec 2015 – Jul 2026 |
| State Chimera 3601-142 O-10-53720 | Swordfish Energy Operating, LLC only | Oates, SW (Woodford) | Pecos | 1 | 224K | 1.99M | May 2019 – Jul 2026 |
| Marco 1601BL O-9-19369 | OXY USA WTP LP only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 136K | 839K | Dec 2015 – Jul 2026 |
| Coyote 4601 O-10-47860 | Tap Rock Operating, LLC only | Phantom (Wolfcamp) | Pecos | 1 | 103K | 364K | Nov 2014 – Jun 2022 |
| Atascosa 601 Unit "B" O-1-15796 | Cinco Natural Resources Corp. only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 51.9K | 33.3K | Feb 2012 – Oct 2014 |
| Morris, W. E. 601 O-5-3554 | Union Oil Company of California only | Van (Austin Chalk) | Van Zandt | 1 | 14.1K | 15.5K | Feb 1997 – Apr 2020 |
| V. M. Claborn O-13-33490 | BKV Barnett, LLC only | Boonsville (Atoka Congl. 6010) | Wise | 2 | 8.15K | 203K | Feb 2016 – Apr 2026 |
| O'Connor, M.E. O-2-7871 | T-C Oil Company, LLC only | Woodsboro, South (6010) | Refugio | 1 | 5.89K | 3.13K | Apr 1993 – Aug 2019 |
| Blacktop 21601 1 G-10-284549 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.69M | Mar 2017 – Jul 2026 |
| Tetris 21601 18 G-10-284550 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.09M | Jun 2017 – Jul 2026 |
| Tetris 21601 18 G-10-284559 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 993K | Jun 2017 – Jul 2026 |
| Radio Tower State 21601 28 G-10-284568 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 0 | Mar 2017 – Jul 2026 |
| Riverside 21601 36 G-10-284834 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.25M | May 2018 – Jul 2026 |
| Riverside 21601 36 G-10-284897 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.46M | May 2018 – Jul 2026 |
| Riverside 21601 36 G-10-285053 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.07M | May 2018 – Jul 2026 |
| Riverside 21601 36 G-10-285838 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.73M | May 2018 – Jul 2026 |
| Tetris 21601 18 G-10-286628 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.06M | Aug 2018 – Jul 2026 |
| Riverside 21601 G-10-286738 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.03M | Jan 2019 – Jul 2026 |
| Blacktop 21601 1 G-10-286770 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.6M | Jan 2019 – Jul 2026 |
| Riverside 21601 G-10-286771 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.03M | Jan 2019 – Jul 2026 |
| Blacktop 21601 1 G-10-286786 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.88M | Jan 2019 – Jul 2026 |
| Tetris 21601 18 G-10-286941 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 955K | Aug 2018 – Jul 2026 |
| Blacktop 21601 1 G-10-288741 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.81M | Jan 2020 – Jul 2026 |
| Blacktop 21601 1 G-10-288763 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.88M | Jan 2020 – Jul 2026 |
| Radio Tower State 21601 28 G-10-289201 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 2.58M | Mar 2020 – Jul 2026 |
| Tetris 21601 18 G-10-293356 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 889K | Aug 2022 – Jul 2026 |
| Blacktop 21601 1 G-10-293377 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.57M | Aug 2022 – Jul 2026 |
| Tetris 21601 18 G-10-293437 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.1M | Aug 2022 – Jul 2026 |
| Tetris 21601 18 G-10-293438 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.89M | Aug 2022 – Jul 2026 |
| Blacktop 21601 1 G-10-293514 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 1.67M | Aug 2022 – Jul 2026 |
| Riverside 21601 G-10-297470 | BTA Oil Producers, LLC only | Sandbar (Bone Spring) | Reeves | 1 | 0 | 435K | Apr 2024 – Jul 2026 |
| Tetris 21601 18 G-10-297599 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 553K | Apr 2024 – Jul 2026 |
| Tetris 21601 18 G-10-297614 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 618K | Apr 2024 – Jul 2026 |
| Riverside 21601 G-10-297856 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 735K | Apr 2024 – Jul 2026 |
| Fee BM 0601 G-10-299839 | Fasken Oil and Ranch, Ltd. only | Emma (Barnett Shale) | Andrews | 1 | 0 | 839K | Feb 2025 – Jul 2026 |
| Fee BM 0601 G-10-299924 | Fasken Oil and Ranch, Ltd. only | Emma (Barnett Shale) | Andrews | 1 | 0 | 873K | Feb 2025 – Jul 2026 |
| State Lease 70601 G-3-66073 | Mitchell Energy Corporation only | Galveston Island (Discorbis 5) | Galveston | 1 | 0 | 165K | Jan 1993 – Apr 1996 |
| Radio Tower State 21601 28 O-10-48376 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 4 | 0 | 0 | Aug 2016 – Oct 2018 |
| Riverside 21601 36 O-10-48379 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 0 | 0 | Sep 2016 – Oct 2018 |
| Blacktop 21601 1 O-10-49209 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 2 | 0 | 0 | Mar 2017 – Oct 2018 |
| Tetris 21601 18 O-10-49318 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 2 | 0 | 0 | Jun 2017 – Oct 2018 |
| Blacktop 21601 SWD O-10-49365 | BTA Oil Producers, LLC only | Ken Regan (Delaware) | Reeves | 1 | 0 | 0 | Jun 2017 – Jul 2026 |
| Riverside 21601 SWD #1 O-10-49913 | BTA Oil Producers, LLC only | Orla, Southeast (Delaware) | Reeves | 1 | 0 | 0 | Dec 2017 – Jul 2026 |
| State Chimera 3601B-142 O-10-50176 | Swordfish Energy Operating, LLC only | Phantom (Wolfcamp) | Pecos | 1 | 0 | 0 | May 2017 – Jul 2026 |
| 3601 SWD O-10-51824 | DKL Water Gathering Permian, LLC only | Spraberry (Trend Area) | Martin | 1 | 0 | 0 | Oct 2018 – Jul 2026 |
| State Chimera 3601A-142 O-10-59939 | Jagged Peak Energy LLC only | Phantom (Wolfcamp) | Pecos | 1 | 0 | 0 | Nov 2021 – Feb 2026 |