| Means /San Andres/ Unit O-10-17503 | Hilcorp Energy Company only | Means | Andrews | 1,236 | 89.6M | 52.4M | by Jan 1993 – Aug 2026 |
| Fullerton Clearfork Unit O-10-1770 | Hilcorp Energy Company only | Fullerton | Andrews | 1,406 | 77.4M | 65.6M | by Jan 1993 – Aug 2026 |
| Cedar Lake Unit O-11-577 | Hilcorp Energy Company only | Cedar Lake | Gaines | 424 | 52.9M | 120M | by Jan 1993 – Aug 2026 |
| Slaughter Estate Unit O-11-18105 | Hilcorp Energy Company only | Slaughter | Hockley | 412 | 50.4M | 202M | by Jan 1993 – Aug 2026 |
| JO-Mill Unit O-11-60465 | JO Mill Oil Company LLC only | JO-Mill (Spraberry) | Borden | 487 | 46.3M | 22.2M | by Jan 1993 – Aug 2026 |
| Central Mallet Unit O-11-18244 | Hilcorp Energy Company only | Slaughter | Hockley | 360 | 36.5M | 105M | by Jan 1993 – Aug 2026 |
| North Central Levelland Unit O-11-60557 | Hilcorp Energy Company only | Levelland | Hockley | 565 | 26M | 5.74M | by Jan 1993 – Aug 2026 |
| Mallet Unit O-11-18149 | Hilcorp Energy Company only | Slaughter | Hockley | 352 | 25.1M | 40.1M | by Jan 1993 – Aug 2026 |
| Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Hilcorp Energy Company only | Tom Oconnor (5800) | Refugio | 595 | 23M | 15M | by Jan 1993 – Aug 2026 |
| Adair San Andres Unit O-11-17304 | Hilcorp Energy Company only | Adair | Gaines | 205 | 22.9M | 4.57M | by Jan 1993 – Aug 2026 |
| Robertson /Clearfork/ Unit O-11-60580 | Hilcorp Energy Company only | Robertson, N. (Clear Fork 7100) | Gaines | 486 | 21.7M | 11.6M | by Jan 1993 – Aug 2026 |
| West Welch Unit O-11-14783 | Hilcorp Energy Company only | Welch | Dawson | 687 | 20.5M | 7.45M | by Jan 1993 – Aug 2026 |
| Cornell Unit O-11-19453 | Hilcorp Energy Company only | Wasson | Yoakum | 268 | 20.4M | 35.7M | by Jan 1993 – Aug 2026 |
| Central Robertson Clearfork Unit O-11-65590 | Hilcorp Energy Company only | Robertson, N. (Clear Fork 7100) | Gaines | 154 | 19.7M | 7.84M | by Jan 1993 – Aug 2026 |
| Slaughter Consolidated O-11-68016 | Hilcorp Energy Company only | Tstar (Abo) | Hockley | 106 | 19.1M | 17.1M | Jan 1999 – Aug 2026 |
| Goldsmith, C. A., Etal O-10-2100 | Hilcorp Energy Company only | Goldsmith (Clear Fork) | Ector | 884 | 18.5M | 43.3M | by Jan 1993 – Jul 2026 |
| Roberts Unit O-11-19212 | Hilcorp Energy Company only | Wasson | Yoakum | 623 | 18.4M | 12.3M | by Jan 1993 – Aug 2026 |
| Mahoney, H. O. O-11-7572 | Hilcorp Energy Company only | Wasson | Yoakum | 122 | 16.9M | 32.4M | by Jan 1993 – Aug 2026 |
| Winterbotham Zav O-1-15744 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 57 | 16.2M | 9.43M | Apr 2012 – Aug 2026 |
| Flanagan Unit O-11-66166 | Hilcorp Energy Company only | Flanagan (Clearfork, Cons.) | Gaines | 220 | 15.9M | 5.03M | by Jan 1993 – Aug 2026 |
| Goldsmith San Andres Unit O-10-2020 | Hilcorp Energy Company only | Goldsmith | Ector | 721 | 14.8M | 20.6M | by Jan 1993 – Aug 2026 |
| East Mallet Unit O-11-15298 | Hilcorp Energy Company only | Slaughter | Hockley | 197 | 14.8M | 43M | by Jan 1993 – Aug 2026 |
| West Levelland Unit O-11-60190 | Hilcorp Energy Company only | Levelland | Cochran | 361 | 14.2M | 3.24M | by Jan 1993 – Aug 2026 |
| Northwest Mallet Unit O-11-18246 | Hilcorp Energy Company only | Slaughter | Hockley | 179 | 13M | 6.66M | by Jan 1993 – Aug 2026 |
| South Welch Unit O-11-60337 | Hilcorp Energy Company only | Welch | Dawson | 274 | 12.8M | 43.7M | by Jan 1993 – Aug 2026 |
| Russell Clearfork Unit O-11-69587 | Hilcorp Energy Company only | Russell (Clearfork Consolidated | Gaines | 485 | 12.3M | 9.86M | Nov 2010 – Aug 2026 |
| Cordona Lake Consolidated Unit O-10-20582 | Hilcorp Energy Company only | Cordona Lake | Crane | 176 | 11.8M | 39.3M | by Jan 1993 – Aug 2026 |
| Williams, Maude, Etal -A- O-2-2533 | Hilcorp Energy Company only | Lake Pasture (H-440 Sand) | Refugio | 176 | 11.2M | 179M | by Jan 1993 – Jul 2026 |
| Burns Ranch A O-1-15361 | Texas American Resources Company only | Briscoe Ranch (Eagleford) | La Salle | 63 | 11.1M | 15.8M | Nov 2010 – Aug 2026 |
| University 09C O-9-18623 | Sem Operating Company LLC only | Lin (Wolfcamp) | Reagan | 40 | 10.4M | 28.1M | Aug 2014 – Aug 2026 |
| Brahaney Unit O-11-60135 | Hilcorp Energy Company only | Brahaney | Yoakum | 213 | 9.98M | 5.63M | by Jan 1993 – Aug 2026 |
| Plains Unit O-11-60407 | Hilcorp Energy Company only | Brahaney | Yoakum | 173 | 9.96M | 3.24M | by Jan 1993 – Aug 2026 |
| Guitar North O-10-48742 | SM Energy Company only | Spraberry (Trend Area) | Howard | 35 | 9.52M | 41.2M | Mar 2017 – Aug 2026 |
| Andrews Unit O-10-34968 | Hilcorp Energy Company only | Andrews (Wolfcamp-Penn.) | Andrews | 97 | 9.44M | 8.4M | Jul 1996 – Aug 2026 |
| West Ranch (41-a/98-a Cons) Unit O-2-11296 | Hilcorp Energy Company only | West Ranch (41-a & 98-a Cons.) | Jackson | 253 | 9.27M | 8.19K | Jul 2016 – Jul 2026 |
| WLP O-2-8579 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 105 | 9.2M | 115M | Jan 2001 – Aug 2026 |
| Traylor South Zav O-1-15766 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 34 | 9.01M | 6.43M | Apr 2012 – Aug 2026 |
| Mallet O-11-5913 | Hilcorp Energy Company only | Slaughter | Hockley | 196 | 8.61M | 3.75M | by Jan 1993 – Aug 2026 |
| Spanish Trail O-10-38844 | COG Operating LLC only | Spraberry (Trend Area) | Midland | 89 | 8.29M | 12.7M | Jun 2008 – Aug 2026 |
| Coons, W. A. O-11-5955 | Hilcorp Energy Company only | Slaughter | Hockley | 60 | 7.86M | 5.03M | by Jan 1993 – Aug 2026 |
| University 9 O-9-17639 | Sem Operating Company LLC only | Lin (Wolfcamp) | Reagan | 44 | 7.82M | 19.6M | May 2011 – Aug 2026 |
| West JO-Mill Unit O-11-61062 | JO Mill Oil Company LLC only | JO-Mill (Spraberry) | Borden | 103 | 7.71M | 2.74M | by Jan 1993 – Aug 2026 |
| Boyd O-11-5907 | Hilcorp Energy Company only | Slaughter | Cochran | 78 | 7.46M | 5.26M | by Jan 1993 – Aug 2026 |
| Willeke A O-2-10337 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 15 | 6.89M | 12.7M | Nov 2012 – Aug 2026 |
| Fullerton /San Andres/ Unit O-10-20307 | Hilcorp Energy Company only | Fullerton (San Andres) | Andrews | 127 | 6.87M | 1.12M | by Jan 1993 – Aug 2026 |
| Bakke Unit O-10-20882 | Hilcorp Energy Company only | Bakke (Wolfcamp) | Andrews | 111 | 6.86M | 8.84M | by Jan 1993 – Aug 2026 |
| Three Bar Shallow Unit O-10-43190 | Hilcorp Energy Company only | Three Bar (Wichita) | Andrews | 23 | 6.77M | 14.8M | Aug 2012 – Jul 2026 |
| Shafter Lake /San Andres/ Unit O-10-20587 | Hilcorp Energy Company only | Shafter Lake (San Andres) | Andrews | 410 | 6.72M | 2.32M | by Jan 1993 – Aug 2026 |
| T-C Oil Co.- O'Connor O-2-2554 | T-C Oil Company, LLC only | Lake Pasture (H-440 Sand) | Refugio | 114 | 6.6M | 31.5M | by Jan 1993 – Aug 2026 |
| Sundown Unit O-11-60282 | Hilcorp Energy Company only | Slaughter | Hockley | 103 | 6.42M | 2.47M | by Jan 1993 – Aug 2026 |