| Winterbotham A-114 O-9-23095 | Dove Creek (Canyon -C-) | Irion | 1 | 91.1K | 143K | Apr 2025 – Jul 2026 |
| Winterbotham 'A' O-9-14398 | Buttes North (Upper Canyon A) | Irion | 1 | 48.4K | 387K | Mar 1996 – Jul 2026 |
| Winterbotham "B" O-9-9945 | Buttes North (Upper Canyon A) | Irion | 3 | 12.9K | 478K | Jan 1993 – Jul 2026 |
| McCullough G-9-298625 | Wildcat | Irion | 1 | 0 | 0 | Jul 2024 – Jul 2026 |
| Morgan G-3-295852 | Brookshire (6800 Sand) | Waller | 1 | 0 | 1.21M | Apr 2023 – Jul 2026 |
| Winterbotham A-114 O-9-23541 | Dove Creek (Canyon Consolidated) | Irion | 1 | 0 | 0 | Feb 2026 – Jul 2026 |
| McCullough O-9-22944 | Wildcat | Irion | 1 | 0 | 0 | Jul 2024 – Jul 2026 |
| Woods A-82 G-3-234640 | Double a Wells, N (Austin Chalk) | Polk | 1 | 0 | 499K | Sep 2007 – Mar 2026 |
| BSM A-471 G-6-292313 | Brookeland (Austin Chalk, 8800) | Polk | 1 | 0 | 1.59M | Feb 2022 – Sep 2025 |
| BSM Cannon A-95 G-6-295222 | Brookeland (Austin Chalk, 8800) | Polk | 1 | 0 | 504K | Jan 2023 – Sep 2025 |
| State Tract 806-S G-4-201698 | Wildcat | Matgrda IS-SB | 1 | 0 | 2.85M | Aug 2003 – Nov 2020 |
| UL 6-10-5 Walter O-10-53782 | Wildcat | Andrews | 1 | 0 | 0 | May 2020 – Oct 2020 |
| Foster Ranch O-10-38755 | Lonesome Dove (Miss) | Sterling | 1 | 13.5K | 0 | Apr 2008 – Mar 2015 |
| Broyles G-3-221755 | Chesterville, North (Yegua 6300) | Colorado | 1 | 0 | 1.39M | Oct 2006 – May 2012 |
| S. T. 310-L S/2 NE/4 G-3-160339 | Cyclone (Rob 43 6350 Res. A) | Galveston-LB | 1 | 0 | 6.04M | Jun 1996 – Aug 2011 |
| S. T. 310-L S/2/NE/4 G-3-159858 | Cyclone (Rob 43 6350 Res. A) | Galveston-LB | 1 | 0 | 8.11M | May 1996 – Aug 2011 |
| S. T. 307-L S2 SE/4 G-3-192646 | Cyclone (Robulus 43) | Galveston-LB | 1 | 0 | 5.42M | Nov 2002 – Aug 2011 |
| S.T. 341-L S/2 NE/4 G-3-185896 | Brazos Block 341-L (RM-5) | Brazos-LB | 1 | 0 | 5.8M | Jul 2001 – Jun 2008 |
| Hallemann G-3-230552 | Hamman Deep (Frio 12,000) | Matagorda | 1 | 0 | 64.5K | May 2007 – Mar 2008 |
| Broyles G-3-211978 | Chesterville, North (Yegua 6400) | Colorado | 1 | 0 | 128K | Sep 2005 – Jan 2007 |
| Grant "A" G-4-186062 | McCampbell (Frio P, Upper) | Aransas | 1 | 0 | 949K | Mar 2001 – May 2006 |
| Broyles G-3-200344 | Chesterville, North (Yegua 7) | Colorado | 1 | 0 | 206K | Nov 2003 – Dec 2005 |
| S.T. 341-L S/2 NE/4 G-3-157561 | Brazos Block 341-L (RM7) | Brazos-LB | 1 | 0 | 3.2M | Jun 1995 – Sep 2005 |
| Broyles G-3-200345 | Chesterville, North (6700) | Colorado | 1 | 0 | 0 | Nov 2003 – Sep 2005 |
| S.T. 341-L S/2 NE/4 G-3-166206 | Brazos Block 341-L (RM6) | Brazos-LB | 1 | 0 | 7.06M | Nov 1997 – Sep 2005 |
| Broyles O-3-24659 | Chesterville, North (Yegua 7) | Colorado | 1 | 0 | 0 | Jan 2005 – Aug 2005 |
| Forgason Division, Ltd. G-3-186610 | Bernard, W. (7000) | Wharton | 1 | 0 | 233K | Nov 2001 – Dec 2004 |
| Lehrer "D" G-3-174773 | Graceland (Blue Suede) | Colorado | 1 | 0 | 262K | Apr 1999 – Nov 2004 |
| Davis G-4-187273 | McCampbell (Frio P, Lower) | Aransas | 1 | 0 | 15.6K | Jan 2002 – Apr 2002 |
| Forgason Division, Ltd. G-3-184599 | Egypt (7950) | Wharton | 1 | 0 | 35.5K | Jun 2001 – Mar 2002 |
| Grant G-4-184337 | McCampbell (Frio P, Middle) | Aransas | 1 | 0 | 80.4K | May 2001 – Jan 2002 |
| Lehrer "A" O-3-23757 | Easter, S. (Wilcox 10,400) | Colorado | 1 | 20K | 159K | Sep 1999 – Nov 2001 |
| Lehrer "A" G-3-173001 | Kacee (Cruel) | Colorado | 1 | 0 | 209K | Mar 1999 – Nov 2001 |
| Forgason Division, Ltd. G-3-176544 | Egypt (Cook Mtn. 8300) | Wharton | 1 | 0 | 1.38M | Sep 1999 – Nov 2001 |
| Vastar-Duncan "E" G-3-171201 | Egypt (7950) | Wharton | 1 | 0 | 2.58M | Oct 1998 – Nov 2001 |
| Kallina G-3-184162 | Easter, S. (Yegua Kallina) | Colorado | 1 | 0 | 184K | Feb 2001 – Oct 2001 |
| Lehrer "A" G-3-184585 | Easter, S. (6380) | Colorado | 1 | 0 | 37.6K | Nov 2000 – Oct 2001 |
| Vastar-Duncan "E" G-3-184450 | Bernard, W. (Wintermann EY 6800) | Wharton | 1 | 0 | 7.61K | May 2001 – Oct 2001 |
| Kallina G-3-172147 | Kacee (Cruel) | Colorado | 1 | 0 | 3.8M | Dec 1998 – Sep 2001 |
| Northington G-3-173768 | Bernard, W. (7850) | Wharton | 1 | 0 | 1.1M | Jul 1999 – Sep 2001 |
| Vastar-Duncan "B" G-3-172016 | Lone Tree (Clodine) | Wharton | 1 | 0 | 15.9K | Dec 1998 – Jul 2001 |
| Vastar-Duncan "C" G-3-165202 | Wildcat | Wharton | 1 | 0 | 42.4K | Sep 1997 – Feb 1999 |
| Traylor Island Unit G-4-147228 | Red Fish Bay (K-2 Frio) | Aransas | 1 | 0 | 605K | Jan 1993 – Jan 1996 |