| University 28 Unit G-10-282287 | Elevation Resources LLC only | Emma (Devonian) | Andrews | 1 | 129K | 1.21M | Sep 2015 – Feb 2025 |
| University 21-2 G-10-99618 | Devon Energy Production Co, L.P. only | Apollo (Atoka) | Winkler | 1 | 33.8K | 1.04M | by Jan 1993 – Dec 2017 |
| University 20-7 G-10-226682 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 30.9K | 1.45M | Jan 2007 – Mar 2022 |
| University 23 W G-9-131147 | Capitol Well Servicing Co., Inc. only | Baker Ranch (Canyon) | Schleicher | 1 | 25.9K | 254K | by Jan 1993 – Feb 2001 |
| University 21-35 G-10-237038 | Restore Operating LLC only | Apollo, East (Wolfcamp) | Winkler | 1 | 17.7K | 175K | May 2008 – Aug 2026 |
| University 21-48 G-10-48386 | Blake Production Company, Inc. only | Wink, S. (Montoya-Ellenburger) | Winkler | 1 | 14.2K | 1.41M | by Jan 1993 – Aug 2026 |
| University 26 G-9-191224 | Civitas Permian Operating, LLC only | Bloxom (Devonian) | Upton | 1 | 12.4K | 607K | May 2002 – Sep 2024 |
| University 29 G-10-183139 | XTO Energy Inc. only | Block 16 (Montoya) | Ward | 1 | 12.2K | 2.3M | Feb 2001 – Aug 2026 |
| University 20-30A G-9-156464 | DJH Oil & Gas LLC only | Howards Creek (Canyon) | Crockett | 1 | 10.8K | 385K | Oct 1995 – Oct 2021 |
| University 20-30 G-10-229635 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 7.59K | 413K | Jul 2007 – Sep 2018 |
| University 20-20 G-10-220801 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 5.86K | 5.47M | Aug 2006 – Apr 2020 |
| University 20-21 G-10-230232 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 5.4K | 13.2M | Apr 2007 – Nov 2019 |
| University 20-9 G-10-226240 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 5.21K | 1.22M | Jan 2007 – Jun 2019 |
| University 20-17 G-10-216532 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 5.19K | 1.29M | May 2006 – Dec 2018 |
| University 29-12 G-9-156158 | Thompson, J. Cleo only | Hoover | Crockett | 1 | 4.57K | 154K | Oct 1995 – May 2019 |
| University 21-12 G-10-214416 | Devon Energy Production Co, L.P. only | Apollo, East (Wolfcamp) | Winkler | 1 | 3.97K | 197K | Feb 2006 – Jun 2011 |
| University 20-5 G-10-216136 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 3.85K | 4.17M | Apr 2006 – Mar 2022 |
| University 20-29 G-10-223123 | Anadarko E&P Onshore LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 3.23K | 7.46M | Oct 2005 – Oct 2019 |
| University 20-31 G-10-215374 | Anadarko E&P Onshore LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 3.15K | 2.05M | Jan 2006 – Nov 2018 |
| University 29-21 G-9-130191 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 2.58K | 357K | by Jan 1993 – Aug 2026 |
| University 20-4 G-10-213925 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 2.41K | 729K | Dec 2005 – May 2018 |
| University 21-47 G-10-58137 | Moncrief, W. A., Jr. only | Wink, S. (Montoya-Ellenburger) | Winkler | 1 | 2.19K | 264K | by Jan 1993 – Feb 1994 |
| University 21-3 G-10-126608 | Forcenergy Gas Exploration Inc. only | Apollo (Atoka) | Winkler | 1 | 1.77K | 91K | by Jan 1993 – Oct 1995 |
| University 29-28S G-9-131724 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 1.59K | 94.5K | by Jan 1993 – Aug 2026 |
| University 29-1 G-9-118846 | Thompson, J. Cleo only | Hoover | Crockett | 1 | 1.58K | 384K | Jun 1993 – Oct 2019 |
| University 29-16 G-9-107679 | Thompson, J. Cleo only | University 29 (Strawn-Detrital) | Crockett | 1 | 1.58K | 343K | by Jan 1993 – Mar 2019 |
| University 22-31 G-9-98572 | R2Q Operating LLC only | University 31 (Strawn-Detrital) | Crockett | 1 | 1.43K | 1.85M | by Jan 1993 – Aug 2026 |
| University 23 W G-9-143240 | Capitol Well Servicing Co., Inc. only | Baker Ranch (Canyon) | Schleicher | 1 | 1.35K | 257K | by Jan 1993 – Jun 2009 |
| University 20-30A G-9-80059 | DJH Oil & Gas LLC only | Howards Creek (Canyon) | Crockett | 1 | 1.26K | 366K | by Jan 1993 – Oct 2021 |
| University 20-3 G-10-238797 | Shell Western E&P only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 1.24K | 944K | Dec 2007 – Nov 2017 |
| University 24 G-9-173683 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 1.2K | 2.14K | May 1999 – Feb 2003 |
| University 29-27 G-9-97492 | Red Stag Operating, LLC only | University 29 (Strawn-Detrital) | Crockett | 1 | 1.14K | 214K | by Jan 1993 – Aug 2026 |
| University 20-10 G-10-229185 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Winkler | 1 | 1.03K | 2.88M | Apr 2007 – May 2022 |
| University 20-8 G-10-214592 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 1.01K | 326K | Dec 2005 – Apr 2017 |
| University 2 G-9-149330 | Dyad Petroleum Company only | Lancaster Hill (Strawn) | Crockett | 1 | 974 | 91.3K | Apr 1994 – Feb 1997 |
| University 20-15 G-10-239097 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Winkler | 1 | 940 | 499K | Mar 2008 – Feb 2018 |
| University 26 G-9-173689 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 929 | 3.92K | May 1999 – Feb 2003 |
| University 26 G-9-173690 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 924 | 4.34K | May 1999 – Feb 2003 |
| University 20-46 G-10-238876 | Shell Western E&P only | Haley (Lwr. Wolfcamp-Penn Cons.) | Ward | 1 | 833 | 301K | Jan 2008 – Apr 2017 |
| University 29-32N G-9-94419 | Red Stag Operating, LLC only | University 29 (Strawn-Detrital) | Crockett | 1 | 813 | 256K | by Jan 1993 – Aug 2026 |
| University 24 G-9-173682 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 763 | 3.38K | May 1999 – Feb 2003 |
| University 26 G-9-173692 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 752 | 2.51K | May 1999 – Feb 2003 |
| University 20-28 G-10-230233 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Winkler | 1 | 749 | 2.61M | Aug 2007 – Oct 2019 |
| University 24 G-9-173681 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 734 | 1.79K | May 1999 – Feb 2003 |
| University 20-19 G-10-228826 | Anadarko E&P Onshore LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 682 | 14.1M | Jun 2007 – Mar 2023 |
| University 23 G-9-173678 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 648 | 1.51K | May 1999 – Feb 2003 |
| University 26 G-9-173691 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 643 | 3.52K | May 1999 – Feb 2003 |
| University 23 G-9-173676 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 628 | 2.3K | May 1999 – Feb 2003 |
| University 20-22 G-10-230085 | Pdeh LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Winkler | 1 | 601 | 3.4M | Aug 2007 – Nov 2019 |
| University 23 G-9-173677 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 597 | 2.04K | May 1999 – Feb 2003 |