| Foster, H. O-10-22457 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 8 | 1.78M | 1.36M | Jan 1993 – Apr 2026 |
| Moss,paul South(canyon 8790)UNIT O-10-32791 | R3 Operating Corporation only | Cowden, South (Canyon 8790) | Ector | 36 | 1.63M | 1.3M | Jan 1993 – Apr 2026 |
| Cowden, Elliott F. -A- O-10-21384 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 53 | 1.51M | 631K | Jan 1993 – Apr 2026 |
| Foster 8 O-10-37284 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 3 | 998K | 907K | Feb 2004 – Apr 2026 |
| Witcher, J. E. 19 O-10-37061 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 2 | 819K | 886K | Mar 2003 – Apr 2026 |
| Witcher, J. E. O-10-21463 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 13 | 474K | 461K | Jan 1993 – Apr 2026 |
| Henderson, F.A. -B- O-10-30167 | Exxon Mobil Corporation only | Cowden, South (Canyon 8790) | Ector | 2 | 453K | 480K | Jan 1993 – Jun 2002 |
| Addis, Frank V. O-10-21062 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 9 | 432K | 381K | Jan 1993 – Apr 2026 |
| Foster 8-5 O-10-37906 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 2 | 385K | 306K | Aug 2006 – Apr 2026 |
| Shell-Witcher "C" O-10-29408 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 318K | 177K | Jan 1993 – Apr 2026 |
| Cowden, Elliott F. -B- O-10-21680 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 24 | 297K | 138K | Jan 1993 – Apr 2022 |
| Foster F O-10-34843 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 3 | 264K | 693K | Jan 1996 – Apr 2026 |
| TXL "K" O-10-23196 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 4 | 256K | 586K | Jan 1993 – Apr 2026 |
| Henderson, E. A. O-10-28431 | Laguna Petroleum Corporation only | Cowden, South (Canyon 8790) | Ector | 2 | 234K | 332K | Jan 1993 – Feb 2013 |
| Foster-J O-10-30774 | Conocophillips Company only | Cowden, South (Canyon 8790) | Ector | 2 | 210K | 174K | Jan 1993 – Nov 2003 |
| Shell-Witcher O-10-29423 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 188K | 316K | Jan 1993 – Apr 2026 |
| Sun-Witcher O-10-29582 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 184K | 156K | Jan 1993 – Apr 2026 |
| Shoe Bar Ranch "26" O-10-39649 | Rust Oil Corp. only | Mosswell (Strawn 8720) | Ector | 4 | 184K | 215K | Oct 2009 – Apr 2026 |
| Foster E O-10-34740 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 182K | 313K | Nov 1995 – Oct 2017 |
| Moss, Paul, -A- O-10-21101 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 178K | 243K | Jan 1993 – Feb 2026 |
| Witcher, J. E. -A- O-10-21652 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 157K | 56K | Jan 1993 – Apr 2026 |
| Johnson, J.L. -31- O-10-30599 | Basin Oil & Gas Operating, LLC only | Cowden, South (Canyon 8790) | Ector | 2 | 154K | 100K | Jan 1993 – Apr 2026 |
| Meteor Crater O-10-37118 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 149K | 1.89M | Jul 2003 – Sep 2018 |
| Longbotham, Cora -A- O-10-22275 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 128K | 199K | Jan 1993 – Feb 2026 |
| Moss, Paul, -C- O-10-20591 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 125K | 143K | Jan 1993 – Nov 2014 |
| Bagley, J.E. O-10-30657 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 120K | 78.5K | Jan 1993 – Aug 2001 |
| Moss -G- O-10-22346 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 116K | 54.6K | Jan 1993 – Apr 2026 |
| Cowden -A- O-10-30280 | Kinney Incorporated only | Cowden, South (Canyon 8790) | Ector | 1 | 116K | 167K | Jan 1993 – Apr 2026 |
| Foster "F" O-10-23356 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 111K | 126K | Jan 1993 – Feb 2026 |
| Cross H O-10-37240 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 106K | 700K | Jul 2003 – Apr 2026 |
| Longbotham, Cora "B" O-10-22498 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 105K | 113K | Jan 1993 – Feb 2026 |
| Moss, Paul "D" O-10-23771 | Sheridan Production Company, LLC only | Cowden, South (Canyon 8790) | Ector | 3 | 103K | 29.3K | Jan 1993 – Feb 2012 |
| Martin, T. J. O-10-20343 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 3 | 102K | 37K | Jan 1993 – Mar 2012 |
| Henderson, W. B. "C" O-10-23284 | Henderson, Bryan, Co. only | Cowden, South (Canyon 8790) | Ector | 2 | 102K | 53.8K | Jan 1993 – Apr 2008 |
| Foster /I/ O-10-22277 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 100K | 79.9K | Jan 1993 – Apr 2026 |
| Cowden W.E. -B- O-10-24398 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 97.3K | 205K | Jan 1993 – Feb 2026 |
| Moss -C- O-10-22100 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 93.2K | 41.4K | Jan 1993 – Apr 2026 |
| Moss, Paul, "B" O-10-22616 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 85.6K | 181K | Jan 1993 – Feb 2026 |
| Chevron-Ector "21" O-10-40887 | Rust Oil Corp. only | Mosswell (Strawn 8720) | Ector | 2 | 78.1K | 93.2K | Mar 2011 – Apr 2026 |
| TXL "T" O-10-23110 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 70.3K | 148K | Jan 1993 – Apr 2026 |
| Johnson, J. L., -A- O-10-22031 | O'Ryan Oil and Gas only | Cowden, South (Canyon 8790) | Ector | 2 | 69.6K | 89.5K | Jan 1993 – Apr 2026 |
| Kayser, Eva B. O-10-22422 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 3 | 64.2K | 120K | Jan 1993 – Feb 2026 |
| Reading-Moss O-10-20113 | Laguna Petroleum Corporation only | Cowden, South (Canyon 8790) | Ector | 3 | 62.6K | 92.3K | Jan 1993 – Oct 2011 |
| South Henderson O-10-49343 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 61.7K | 25.9K | Oct 2017 – Mar 2026 |
| Foster -D- O-10-21856 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 61.2K | 64.1K | Jan 1993 – Aug 2021 |
| Johnson -F- O-10-22244 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 59.4K | 79.6K | Jan 1993 – Dec 2019 |
| Cross -C- O-10-25389 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 58.1K | 249K | Jan 1993 – May 2015 |
| Moss"f" O-10-23121 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 3 | 56.9K | 255K | Jan 1993 – Dec 2007 |
| Mobil-Eidson "26" O-10-29579 | Rust Oil Corp. only | Mosswell (Strawn 8720) | Ector | 1 | 56.8K | 35.5K | Jan 1993 – Aug 2005 |
| Witcher, J. E. -7- O-10-22736 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 56.7K | 49.8K | Mar 1993 – Dec 2012 |