| Anton-Irish Clearfork Unit O-11-304 | Occidental Permian Ltd. | Anton-Irish | 591 | 66.1M | 34.9M | Jan 1993 – Apr 2026 |
| Lancaster O-11-68392 | White Rock Oil & Gas, LLC | Anton-Irish (Wolfcamp) | 5 | 1.89M | 237K | Jan 2002 – Apr 2026 |
| Snitker O-11-68421 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 2 | 1.7M | 570K | Apr 2002 – Apr 2026 |
| Billy (Abo) Unit O-11-68792 | Extex Operating Company | Billy (Abo) | 18 | 1.11M | 281K | Sep 2005 – Apr 2026 |
| Stephenson Unit O-11-68519 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 1 | 530K | 145K | Nov 2002 – Aug 2015 |
| Roach O-11-68457 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 1 | 480K | 185K | Aug 2002 – Apr 2026 |
| Zahn O-11-65264 | Ostrich Oil & Gas, LLC | Anton, West | 3 | 396K | 56 | Jan 1993 – Apr 2026 |
| Billy C O-11-67349 | Whiting Oil and Gas Corporation | Billy (Abo) | 2 | 368K | 27.1K | Dec 1994 – Aug 2005 |
| Twilley Unit O-11-68503 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 1 | 317K | 123K | Oct 2002 – Apr 2026 |
| Moseley O-11-67373 | Whiting Oil and Gas Corporation | Billy (Abo) | 4 | 306K | 21.3K | Apr 1995 – Aug 2005 |
| Rose O-11-67462 | Whiting Oil and Gas Corporation | Billy (Abo) | 2 | 301K | 24.3K | Sep 1995 – Aug 2005 |
| Perkins O-11-67493 | Whiting Oil and Gas Corporation | Billy (Abo) | 2 | 263K | 18.6K | Dec 1995 – Aug 2005 |
| Butler O-11-61667 | Vanco Oil & Gas Corp. | Anton-Irish | 3 | 261K | 130 | Jan 1993 – Feb 2020 |
| Trotter O-11-67558 | Whiting Oil and Gas Corporation | Billy (Abo) | 2 | 248K | 24.7K | Apr 1996 – Aug 2005 |
| Jackson O-11-68432 | Devon Energy Production Co, L.P. | Anton-Irish (Wolfcamp) | 1 | 195K | 25.3K | Mar 2002 – Feb 2009 |
| Keeney Unit No. 1 O-11-68563 | OXY USA WTP LP | Anton-Irish (Wolfcamp) | 2 | 190K | 47.3K | Apr 2003 – Dec 2020 |
| Ellwood O-11-68431 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 1 | 174K | 117K | Apr 2002 – Apr 2026 |
| King O-11-68562 | OXY USA WTP LP | Anton-Irish (Wolfcamp) | 2 | 168K | 42.8K | Apr 2003 – Jul 2016 |
| Martin O-11-66466 | Ostrich Oil & Gas, LLC | Anton, West | 2 | 146K | 21 | Jan 1993 – Apr 2026 |
| Lyda Unit No. 1 O-11-68578 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 1 | 128K | 92.1K | May 2003 – Apr 2026 |
| Young O-11-10649 | Quatro Oil and Gas, Inc. | Illusion Lake (San Andres) | 17 | 127K | 21 | Jan 1993 – Apr 2026 |
| Lyda, Preston O-11-61917 | Occidental Permian Ltd. | Anton-Irish | 1 | 121K | 7.97K | Jan 1993 – Apr 2026 |
| Orcutt O-11-68438 | OXY USA WTP LP | Anton-Irish (Wolfcamp) | 1 | 103K | 29.5K | May 2002 – Jul 2015 |
| Barrett, H. G. O-11-68645 | Acoma Operating, LLC | Anton-Irish (Wolfcamp) | 1 | 90.6K | 0 | Jan 2004 – Oct 2007 |
| Martin O-11-65698 | Ostrich Oil & Gas, LLC | Anton, West | 1 | 87.4K | 96 | Jan 1993 – Apr 2026 |
| Twilley A O-11-68544 | Occidental Permian Ltd. | Anton-Irish (Wolfcamp) | 2 | 80.5K | 17.4K | May 2003 – Jul 2018 |
| Teague O-11-68766 | OXY USA WTP LP | Anton-Irish (Wolfcamp) | 1 | 72.3K | 23.5K | Apr 2005 – Aug 2016 |
| McCurry O-11-66862 | Ostrich Oil & Gas, LLC | Anton-Irish | 3 | 70.6K | 41.6K | Jan 1993 – Aug 2012 |
| Barrett, H. G. O-11-62047 | Acoma Operating, LLC | Anton-Irish | 2 | 66.7K | 21 | Jan 1993 – Apr 2026 |
| Barrett B O-11-68659 | OXY USA WTP LP | Anton-Irish (Wolfcamp) | 1 | 66.3K | 98.7K | Dec 2003 – Apr 2026 |
| Hobratschk O-11-67131 | Ostrich Oil & Gas, LLC | Anton-Irish | 1 | 64.3K | 33K | Aug 1993 – Apr 2005 |
| Day O-11-70493 | M. E. Operating & Services, Inc. | Littlefield (San Andres) | 3 | 51.7K | 0 | Jul 2016 – Apr 2026 |
| Littlefield San Andres Fld. Unit O-11-60085 | WG Oil, LLC | Littlefield (San Andres) | 19 | 47.9K | 154 | Jan 1993 – Apr 2020 |
| Albert T. O-11-67766 | Whiting Oil and Gas Corporation | Billy (Abo) | 1 | 47.2K | 5.56K | Aug 1997 – Aug 2005 |
| Connor O-11-69812 | Walkabout Operating, LLC | Illusion Lake (San Andres) | 5 | 46.3K | 0 | Dec 2011 – Apr 2026 |
| Foley O-11-67583 | Whiting Oil and Gas Corporation | Billy (Abo) | 1 | 44K | 3.96K | Jul 1996 – Aug 2005 |
| Kirk O-11-66834 | Ostrich Oil & Gas, LLC | Anton-Irish | 1 | 43K | 29.5K | Jan 1993 – Mar 2005 |
| Elms, L. S. Estate Unit O-11-61475 | B.A.R. Treating Service, Inc. | Littlefield, SW. (San Andres) | 1 | 41.9K | 54 | Jan 1993 – Apr 2026 |
| Duggan, A. P. NCT-1 O-11-61608 | B.A.R. Treating Service, Inc. | Littlefield, SW. (San Andres) | 1 | 39.1K | 1 | Sep 1993 – Apr 2026 |
| William, W. O-11-67627 | Whiting Oil and Gas Corporation | Billy (Abo) | 1 | 37.8K | 3.54K | Sep 1996 – Aug 2005 |
| Martin "B" O-11-66665 | Dinero Operating Company | Anton, West | 1 | 30.9K | 21 | Jan 1993 – Nov 2015 |
| Keeney O-11-70894 | OXY USA WTP LP | Anton-Irish | 2 | 30.7K | 19.8K | Mar 2019 – Apr 2026 |
| Barrett, H. G. O-11-64745 | Acoma Operating, LLC | Anton-Irish | 1 | 29.7K | 34 | Jan 1993 – Mar 2026 |
| Teague O-11-70550 | OXY USA WTP LP | Anton-Irish | 2 | 25.7K | 13.8K | Sep 2016 – Apr 2026 |
| Hughey O-11-66097 | Boyd & McWilliams Energy Group | Littlefield, S. (San Andres) | 1 | 14K | 21 | Jan 1993 – Apr 2002 |
| Illusion Lake /San Andres/ Unit O-11-60036 | Quatro Oil and Gas, Inc. | Illusion Lake (San Andres) | 6 | 5.1K | 21 | Jan 1993 – Apr 2026 |
| Zahn O-11-67689 | Texon Oil Company, Inc. | Anton, West | 1 | 2.96K | 0 | Feb 1997 – Nov 2003 |
| Hall-Brown O-11-9350 | B.A.R. Treating Service, Inc. | Littlefield (San Andres) | 1 | 2.48K | 50 | Jan 1993 – Sep 2003 |
| Reese, A. L. O-11-60630 | Amoco Production Company | Anton-Irish | 1 | 2.38K | 14 | Jan 1993 – Feb 1994 |
| 7112 JV-D Anton O-11-60837 | Snow Oil & Gas Inc. | Anton, West | 2 | 1.63K | 60 | Jan 1993 – Dec 1997 |