| Foster O-11-15125 | D. E. B. (Wolfcamp) | Gaines | 28 | 5.63M | 1.22M | Jan 1993 – Apr 2026 |
| Keystone Cattle Co. O-10-3427 | Keystone, South | Winkler | 93 | 1.95M | 8.08M | Jan 1993 – Apr 2026 |
| Keystone Cattle Company O-10-35757 | Keystone, South (Devonian) | Winkler | 9 | 1.18M | 3.72M | May 1998 – Apr 2026 |
| University -3- O-10-36660 | Martin (Consolidated) | Andrews | 15 | 556K | 2.97M | Dec 2000 – Apr 2026 |
| Morrison O-11-66606 | Amrow, North (Strawn) | Gaines | 1 | 281K | 381K | Jan 1993 – Apr 2026 |
| Keystone Cattle Co. O-10-11995 | Keystone, South (Penn.) | Winkler | 13 | 268K | 859K | Jan 1993 – Apr 2026 |
| University -2- O-10-36659 | Martin (Consolidated) | Andrews | 9 | 257K | 1.85M | Dec 2000 – Apr 2026 |
| Pettit (14) O-9-17313 | Spraberry (Trend Area) | Reagan | 4 | 220K | 1.33M | Aug 2010 – Apr 2026 |
| Keystone Cattle Co. -19- O-10-25701 | Flying -W- (Wolfcamp) | Winkler | 3 | 200K | 671K | Jan 1993 – Apr 2026 |
| Arnett 44 O-9-17402 | Spraberry (Trend Area) | Reagan | 3 | 166K | 610K | Dec 2010 – Apr 2026 |
| Bloxom G-9-183825 | Bloxom (Devonian) | Upton | 1 | 155K | 3.88M | Mar 2001 – Apr 2026 |
| Walton, John B., -D- O-10-18571 | Keystone (Colby) | Winkler | 14 | 145K | 173K | Jan 1993 – Apr 2026 |
| Keystone Cattle Co. O-10-51483 | Keystone (Dev-McKee Cons) | Winkler | 2 | 117K | 158K | Mar 2019 – Apr 2026 |
| Smith, Sealy O-10-23947 | C & M (Queen) | Ward | 2 | 113K | 141 | Jan 1993 – Apr 2026 |
| Keystone Cattle Co. O-10-38024 | Keystone, SE. (Wolfcamp) | Winkler | 5 | 107K | 688K | Oct 2006 – Apr 2026 |
| Keystone Fernandes O-10-30928 | Keystone, South | Winkler | 2 | 107K | 364K | Jan 1993 – Apr 2026 |
| Spears, J. D. O-10-38166 | Signal Peak (Wolfcamp) | Howard | 2 | 95.8K | 38.5K | Apr 2007 – Apr 2026 |
| TXL -P- O-10-49708 | Goldsmith, W. (San Andres) | Ector | 2 | 77.8K | 0 | Mar 2018 – Apr 2026 |
| University 14 O-9-15024 | Spraberry (Trend Area) | Reagan | 3 | 76.7K | 213K | May 2000 – Apr 2026 |
| Mary K. Shirk O-9-17651 | Spraberry (Trend Area) | Upton | 2 | 73.9K | 298K | Sep 2011 – Apr 2026 |
| Sun Jenkins -B- O-10-3296 | Keystone (Colby) | Winkler | 3 | 69.3K | 49.9K | Jan 1993 – Apr 2026 |
| Pettit "14A" O-9-17233 | Spraberry (Trend Area) | Reagan | 3 | 66.3K | 452K | Apr 2010 – Apr 2026 |
| Arnett 44B O-9-18223 | Roble Grande (Strawn\woodford) | Reagan | 1 | 66.2K | 148K | Apr 2013 – Apr 2026 |
| Friulano O-9-17689 | Sheep Mountain (Consolidated) | Upton | 3 | 63.8K | 210K | Sep 2011 – Apr 2026 |
| Calvert O-11-69224 | Reeves (Leonard, Lower) | Yoakum | 1 | 59.4K | 48.5K | Jul 2007 – Apr 2026 |
| UNIVERSITY"58-6A" O-9-16625 | Spraberry (Trend Area) | Upton | 1 | 59K | 85.2K | Mar 2008 – Apr 2026 |
| Cole Ranch O-10-34065 | TXL (Devonian) | Ector | 1 | 50.3K | 206K | Dec 1993 – Apr 2026 |
| University "3-4" O-9-15271 | Benedum (Fusselman) | Upton | 1 | 42.8K | 466K | Jun 2002 – Apr 2026 |
| Cox 27 G-9-187931 | Bloxom (Devonian) | Upton | 1 | 40.5K | 1.96M | Jan 2002 – Apr 2026 |
| University '3-4A' O-9-20189 | Spraberry (Trend Area) | Upton | 1 | 31.1K | 57.1K | Oct 2018 – Apr 2026 |
| Hankamer, Earl O-9-6389 | Spraberry (Trend Area) | Reagan | 2 | 28.9K | 163K | Jan 1993 – Apr 2026 |
| Matt "31" O-9-15709 | Spraberry (Trend Area) | Upton | 1 | 28.7K | 81.3K | Feb 2005 – Apr 2026 |
| Victor 1223V O-9-21854 | Spraberry (Trend Area) | Reagan | 2 | 27.2K | 123K | Jul 2022 – Apr 2026 |
| Keystone Cattle Co. O-10-42627 | Kermit, South (Woodford) | Winkler | 1 | 19.8K | 125K | Jan 2010 – Apr 2026 |
| Furmint O-9-18591 | Spraberry (Trend Area) | Upton | 1 | 14K | 70.6K | Mar 2014 – Apr 2026 |
| University "58-7" O-9-21361 | Spraberry (Trend Area) | Upton | 1 | 13.7K | 7.75K | Aug 2021 – Apr 2026 |
| Lovett, H. E. -B- O-10-3312 | Keystone (Colby) | Winkler | 2 | 11.9K | 6.14K | Jan 1993 – Apr 2026 |
| Keystone -4- O-10-51484 | Keystone (Dev-McKee Cons) | Winkler | 1 | 6.21K | 20.3K | Mar 2019 – Apr 2026 |
| University 12 O-9-18245 | Benedum (Devonian, Gas) | Upton | 1 | 1.51K | 62.7K | Jul 2013 – Apr 2026 |
| Keystone Cattle Company "25" G-10-290572 | Flying -W- (Wolfcamp) | Winkler | 1 | 0 | 11.3K | Mar 2021 – Apr 2026 |
| University "4" O-9-14708 | Benedum (Fusselman) | Upton | 1 | 144K | 2.18M | Dec 1997 – Mar 2026 |
| University Section 3 G-9-183827 | Bloxom (Devonian) | Upton | 1 | 125K | 7.46M | Jul 2001 – Mar 2026 |
| Colter Trust G-9-180829 | Bloxom (Devonian) | Upton | 1 | 106K | 2.13M | Dec 2000 – Mar 2026 |
| Jameson "49" O-9-17430 | Spraberry (Trend Area) | Reagan | 2 | 81K | 219K | Apr 2011 – Mar 2026 |
| Cox, W. W. "21" O-9-15962 | Spraberry (Trend Area) | Upton | 1 | 40.3K | 77.9K | Apr 2006 – Mar 2026 |
| University "12W" G-9-197310 | Benedum (Devonian, Gas) | Upton | 1 | 37K | 1.03M | Jul 2003 – Mar 2026 |
| University "5W" O-9-15734 | Spraberry (Trend Area) | Upton | 1 | 14.7K | 55.8K | May 2005 – Mar 2026 |
| University "58-6" O-9-21359 | Spraberry (Trend Area) | Upton | 1 | 1.43K | 518 | Aug 2021 – Mar 2026 |
| Neal 26 G-9-191458 | Bloxom (Devonian) | Upton | 1 | 67.4K | 4M | Oct 2002 – Feb 2026 |
| Arco-University O-9-10420 | Benedum (Fusselman) | Upton | 2 | 42.5K | 998K | Jan 1993 – Feb 2026 |