| University -D- O-10-29451 | Libertad Operating LLC only | Andrews, South (Wolfcamp) | Andrews | 5 | 129K | 152K | Jan 1993 – Jul 2026 |
| University O-10-17710 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | — | 3 | 114K | 1.14K | Jan 1993 – Jul 2026 |
| University -Q- O-10-17201 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | — | 1 | 109K | 41K | Jan 1993 – Jul 2026 |
| Phillips University "28-B" O-10-11633 | Sheridan Production Company, LLC only | Andrews, South (Wolfcamp) | Andrews | 4 | 96.4K | 211K | Jan 1993 – Mar 2016 |
| 9015 JV-P Block 9 O-10-35179 | Libertad Operating LLC only | Andrews, South (Wolfcamp) | Andrews | 2 | 95.6K | 84.2K | Jan 1997 – Jul 2026 |
| State of Texas -CR- O-10-21278 | XTO Energy Inc. only | Andrews, South (Wolfcamp) | Andrews | 2 | 87.7K | 251K | Jan 1993 – Jul 2026 |
| 8407 JU-P University 23-B- O-10-30150 | Libertad Operating LLC only | Andrews, South (Wolfcamp) | Andrews | 1 | 75K | 12.9K | Jan 1993 – Jul 2026 |
| University -E- O-10-8273 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | Andrews | 3 | 62.5K | 126K | Jan 1993 – Jul 2026 |
| University -J- O-10-13814 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | Andrews | 3 | 59.7K | 135K | Jan 1993 – Jul 2026 |
| University 29-B O-10-11954 | Minihan Oil & Gas Ltd. only | Andrews, South (Wolfcamp) | Andrews | 2 | 55.2K | 67.6K | Jan 1993 – May 2006 |
| University 1 "B" 32 O-10-26838 | MGM Oil & Gas Company only | Andrews, South (Wolfcamp) | Andrews | 1 | 48.8K | 87.7K | Jan 1993 – Sep 2017 |
| University 24 O-10-39433 | M & M Production Ltd. only | Andrews, South (Wolfcamp) | Andrews | 1 | 38.2K | 14.9K | Jan 2009 – Jul 2026 |
| State University -O- O-10-14424 | Citation Oil & Gas Corp. only | Andrews, South (Wolfcamp) | Andrews | 2 | 34.3K | 55.7K | Jan 1993 – Mar 2010 |
| University "G" O-10-33701 | Elevation Resources LLC only | Andrews, South (Wolfcamp) | Andrews | 1 | 34.1K | 29K | Feb 1993 – Apr 2023 |
| University -L- O-10-15242 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | — | 1 | 29.3K | 56.9K | Jan 1993 – Jul 2026 |
| University -24- O-10-9937 | Sandridge Expl. and Prod., LLC only | Andrews, South (Wolfcamp) | — | 2 | 27.7K | 49K | Jan 1993 – Jun 2010 |
| State University -BC- O-10-10784 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | Andrews | 2 | 26.9K | 33.2K | Jan 1993 – Jul 2026 |
| University -C- O-10-264 | Citation Oil & Gas Corp. only | Andrews, South (Wolfcamp) | Andrews | 3 | 26.5K | 169K | Jan 1993 – Dec 2004 |
| State University -T- O-10-260 | Winn Operating, LLC only | Andrews, South (Wolfcamp) | Andrews | 3 | 25.4K | 46.7K | Jan 1993 – Jul 2026 |
| University 32-A O-10-11094 | Gap Exploration, Ltd. only | Andrews, South (Wolfcamp) | — | 1 | 23K | 9.1K | Jan 1993 – Jul 2003 |
| University -B- O-10-263 | Citation Oil & Gas Corp. only | Andrews, South (Wolfcamp) | Andrews | 5 | 18.7K | 18.9K | Jan 1993 – Dec 2004 |
| University -29- O-10-10822 | Gap Exploration, Ltd. only | Andrews, South (Wolfcamp) | — | 1 | 18.6K | 2.94K | Jan 1993 – Mar 2008 |
| Univ. a & B 33 O-10-11320 | Minihan Oil & Gas Ltd. only | Andrews, South (Wolfcamp) | — | 1 | 17.5K | 39.3K | Jan 1993 – Jun 2006 |
| 8407 JV-P University -23-A O-10-30204 | BTA Oil Producers only | Andrews, South (Wolfcamp) | Andrews | 1 | 11.6K | 5.21K | Jan 1993 – Sep 2001 |
| University "B" 1-20 O-10-41860 | Elevation Resources LLC only | Andrews, South (Wolfcamp) | Andrews | 2 | 10.2K | 70.7K | Sep 2011 – Jul 2026 |
| University -29- O-10-9763 | Sheridan Production Company, LLC only | Andrews, South (Wolfcamp) | Andrews | 2 | 9.61K | 56.1K | Jan 1993 – Mar 2015 |
| 9015 JV-P Block 9 -B- O-10-36051 | Henry Petroleum LP only | Andrews, South (Wolfcamp) | Andrews | 1 | 6.18K | 2.25K | Aug 1999 – Jul 2003 |
| University "F" O-10-36116 | United Operating, LLC *** only | Andrews, South (Wolfcamp) | Andrews | 1 | 5.75K | 14.9K | Aug 1999 – Dec 2001 |
| University O-10-30616 | Prime Operating Company only | Andrews, South (Wolfcamp) | Andrews | 2 | 5.33K | 3.3K | Jan 1993 – Aug 1999 |
| State University FE O-10-28401 | Exxon Corp. only | Andrews, South (Wolfcamp) | Andrews | 2 | 4.12K | 4.07K | Jan 1993 – Oct 1995 |
| University a 1-4 O-10-43264 | Q Natural Resources, LLC only | Andrews, South (Wolfcamp) | Andrews | 1 | 3.32K | 2.3K | Oct 2011 – Jul 2026 |
| 8407 JV-P University 33-A O-10-30190 | BTA Oil Producers only | Andrews, South (Wolfcamp) | Andrews | 1 | 2.85K | 1.45K | Jan 1993 – Jun 1995 |
| University -JK- O-10-31032 | M-T Petroleum, Inc. only | Andrews, South (Wolfcamp) | Andrews | 1 | 1K | 17 | Jan 1993 – Jan 1996 |
| University-28 -A- O-10-10170 | Phillips Petroleum Company only | Andrews, South (Wolfcamp) | Andrews | 3 | 973 | 2.13K | Jan 1993 – Dec 1994 |
| State University -Y- O-10-31518 | Enterprise Products Operatingllc only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jan 1993 – Oct 2023 |
| University Lands O-10-24279 | Enterprise Products Operatingllc only | Andrews, South (Wolfcamp) | — | 2 | 0 | 0 | Jan 1993 – Dec 2016 |
| University 9 -BB- O-10-15020 | Davcro Inc. only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jan 1993 – Apr 1994 |
| State of Texas -DD- O-10-20592 | XTO Energy Inc. only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jan 1993 – Mar 2008 |
| State University -Y- O-10-261 | Citation Oil & Gas Corp. only | Andrews, South (Wolfcamp) | — | 1 | 0 | 0 | Jan 1993 – Jun 2006 |
| University -B- O-10-16152 | BTA Oil Producers only | Andrews, South (Wolfcamp) | Andrews | 2 | 0 | 0 | Jan 1993 – Jan 2000 |
| University 1-27 O-10-42997 | Elevation Resources LLC only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jul 2012 – Dec 2013 |
| State University -AA- O-10-258 | XTO Energy Inc. only | Andrews, South (Wolfcamp) | Andrews | 2 | 0 | 0 | Jan 1993 – Dec 2002 |
| University -27- O-10-16181 | Cox, John L. only | Andrews, South (Wolfcamp) | — | 1 | 0 | 0 | Jan 1993 – Feb 1994 |
| State -AG- O-10-28782 | Coterra Energy Operating Co. only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| University -D- O-10-11911 | Citation Oil & Gas Corp. only | Andrews, South (Wolfcamp) | Andrews | 1 | 0 | 0 | Jan 1993 – Jun 1993 |