| University Block 9 O-10-39152 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 79 | 9.2M | 13.9M | Jan 2009 – Jul 2026 |
| University BLK.9 /Wolfcamp/ Unit O-10-15046 | XTO Energy Inc. only | University Block 9 (Wolfcamp) | Andrews | 66 | 3.83M | 7.63M | Jan 1993 – Jul 2026 |
| University Block 9 /Penn/ Unit O-10-21413 | XTO Energy Inc. only | University Block 9 (Penn.) | Andrews | 70 | 3.56M | 7.45M | Jan 1993 – Jul 2026 |
| University Block 14 Cons. O-10-29524 | Ring Energy, Inc. only | Shafter Lake (San Andres) | Andrews | 86 | 3.45M | 1.09M | Jan 1993 – Jul 2026 |
| University BLK 20 O-10-42354 | XTO Energy Inc. only | Two Georges (Bone Spring) | Winkler | 12 | 3.31M | 3.44M | Dec 2011 – Jul 2026 |
| University BLK 21 O-10-45128 | XTO Energy Inc. only | Two Georges (Bone Spring) | Winkler | 6 | 2.07M | 2.78M | Jul 2013 – Jul 2026 |
| University B21 5 O-10-47510 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 4 | 1.87M | 1.86M | Jan 2016 – Jul 2026 |
| University 9 Cec O-10-35926 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 9 | 1.63M | 1.05M | Nov 1998 – Apr 2009 |
| University B21 7 O-10-45947 | Mewbourne Oil Company only | Two Georges (Bone Spring) | Winkler | 4 | 1.53M | 1.26M | Nov 2014 – Jul 2026 |
| University B21 8 O-10-48089 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 4 | 1.45M | 1.26M | Nov 2016 – Jul 2026 |
| University "9" -D- O-10-10089 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 10 | 1.19M | 764K | Jan 1993 – Apr 2009 |
| University B20 2/11 O-10-51737 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 2 | 1.04M | 1.13M | Jan 2019 – Jul 2026 |
| University "9" -CE- O-10-7042 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 7 | 1.03M | 548K | Jan 1993 – Apr 2009 |
| University "9" -B- O-10-8560 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 10 | 971K | 608K | Jan 1993 – Apr 2009 |
| State University -At- O-10-9844 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 8 | 945K | 786K | Jan 1993 – Apr 2009 |
| State University -AU- O-10-9559 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 8 | 939K | 602K | Jan 1993 – Apr 2009 |
| Texas N O-10-36228 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 6 | 869K | 720K | Feb 2000 – Apr 2009 |
| State University -AO- O-10-8898 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 11 | 832K | 423K | Jan 1993 – Apr 2009 |
| University "9" -A- O-10-7044 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 6 | 782K | 564K | Jan 1993 – Apr 2009 |
| University B20 1 O-10-47492 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 2 | 770K | 814K | Mar 2016 – Jul 2026 |
| Texas University -Q- O-10-16237 | Maverick Permian LLC only | University Block 13 (Ellen.) | Andrews | 3 | 767K | 448K | Jan 1993 – Jul 2026 |
| State University -BA- O-10-10786 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 5 | 763K | 712K | Jan 1993 – Apr 2009 |
| State of Texas BH O-10-36533 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 2 | 616K | 390K | Dec 2000 – Apr 2009 |
| University B20 12 O-10-48755 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 2 | 594K | 851K | Apr 2017 – Jul 2026 |
| University B20 11 O-10-48055 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 578K | 500K | Aug 2016 – Jul 2026 |
| University B20 2 O-10-48185 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 571K | 507K | Sep 2016 – Jul 2026 |
| University -DJ- R/a -A- O-10-33522 | Enervest Operating, L.L.C. only | University Block 9 (Wolfcamp) | Andrews | 5 | 557K | 360K | Jan 1993 – Mar 2016 |
| University "9" C O-10-35370 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 6 | 553K | 363K | May 1997 – Apr 2009 |
| University -JC- O-10-32724 | Morningstar Operating LLC only | University Block 9 (Penn.) | Andrews | 4 | 517K | 1.39M | Jan 1993 – Jul 2026 |
| Texas -Q- O-10-9766 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 8 | 436K | 221K | Jan 1993 – Dec 2010 |
| University Consolidated Xii O-10-23165 | Crescent Energy Operating, LLC only | University Block 13 (Ellen.) | Andrews | 6 | 428K | 347K | Jan 1993 – Jul 2026 |
| Brangus University O-10-34556 | Morningstar Operating LLC only | University Block 9 (Penn.) | Andrews | 3 | 427K | 273K | Jul 1995 – Jul 2026 |
| University BX O-10-34204 | Hilcorp Energy Company only | McFarland, S. (Wolfcamp) | Andrews | 1 | 394K | 443K | Apr 1994 – Jul 2026 |
| University Block 12 O-9-17929 | RRP Operating LLC only | Lin (Wolfcamp) | Reagan | 8 | 392K | 964K | May 2012 – Jul 2026 |
| University Block 9 G MS O-10-52174 | XTO Energy Inc. only | Emma (Mississippian) | Andrews | 1 | 356K | 703K | May 2019 – Jul 2026 |
| University B20 12/13 O-10-49211 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 350K | 474K | Aug 2017 – Jul 2026 |
| Texas -L- O-10-7045 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 5 | 340K | 177K | Jan 1993 – Apr 2009 |
| University Consolidated Xii O-10-23164 | Crescent Energy Operating, LLC only | University Block 13 (Devonian) | Andrews | 5 | 312K | 373K | Jan 1993 – Jul 2026 |
| University B20 1W O-10-48485 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 293K | 415K | Jan 2017 – Jul 2026 |
| University B11 '5' O-10-42683 | Mewbourne Oil Company only | Andector (Wichita Albany) | Andrews | 2 | 265K | 577K | May 2012 – Jul 2026 |
| University 9 Cee O-10-35959 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 2 | 240K | 120K | Jan 1999 – Apr 2009 |
| University BLK 21 GU O-10-36920 | Forest Oil Corporation only | Apollo, East (Wolfcamp) | Winkler | 3 | 209K | 2.21M | Aug 2002 – Mar 2008 |
| University BQ O-10-37422 | Hilcorp Energy Company only | Means | Andrews | 8 | 208K | 164K | Sep 2004 – Jul 2026 |
| University B 28-21 O-9-21888 | Rockport Energy Solutions LLC only | Spraberry (Trend Area) | Upton | 1 | 208K | 263K | Oct 2022 – Jul 2026 |
| State University BA O-10-36900 | XTO Energy Inc. only | Triple-N (Grayburg) | Andrews | 6 | 195K | 73.4K | Mar 2002 – Jul 2026 |
| University Block 48 O-9-18227 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Reagan | 4 | 194K | 1.58M | Mar 2013 – Jun 2020 |
| Phillips University "DD" O-10-33786 | Morningstar Operating LLC only | University Block 9 (Wolfcamp) | Andrews | 3 | 184K | 166K | Apr 1993 – Jul 2026 |
| University "9" -E- O-10-37378 | XTO Energy Inc. only | University Block 9 (Devonian) | Andrews | 1 | 172K | 174K | Aug 2004 – Apr 2009 |
| University Bar 36 O-10-45943 | Hilcorp Energy Company only | Three Bar (Wichita) | Andrews | 2 | 165K | 494K | Oct 2014 – Jul 2026 |
| University Consolidated Xii O-10-17548 | Crescent Energy Operating, LLC only | University Block 13 (Wolfcamp) | Andrews | 5 | 153K | 404K | Jan 1993 – Jul 2026 |