| Midcross Dev. Unit O-10-24526 | Occidental Permian Ltd. only | Crossett, S. (Detrital) | Upton | 33 | 3.34M | 7.77M | by Jan 1993 – Aug 2026 |
| Strider O-9-20083 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Upton | 3 | 709K | 3.95M | Feb 2019 – Aug 2026 |
| Strider G O-9-20140 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Upton | 4 | 689K | 5.09M | Jan 2019 – Aug 2026 |
| Cody Bell "13" O-9-13616 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 615K | 1.57M | May 1994 – Nov 2002 |
| Weir, J. C. 12 O-9-13277 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 2 | 581K | 1.7M | by Jan 1993 – Aug 2026 |
| Bloxom-Maitino "3" O-9-13283 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 7 | 533K | 1.25M | by Jan 1993 – Aug 2026 |
| Arco-Richardson 5 O-9-13310 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 532K | 1.31M | by Jan 1993 – Aug 2026 |
| Marlena O-9-14774 | Summit Petroleum LLC only | Johnes (Middle Wlfc. Detrital) | Upton | 2 | 528K | 2.23M | May 1998 – Jul 2023 |
| Bell, Cody "54" O-9-13666 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 443K | 960K | Jun 1994 – Aug 2026 |
| Strider E O-9-20216 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Upton | 3 | 405K | 4.39M | Feb 2019 – Aug 2026 |
| Cody Bell 53 O-9-13354 | Cobra Oil & Gas Corporation only | Triumph (Wolfcamp) | Upton | 1 | 340K | 537K | by Jan 1993 – Apr 2010 |
| Strider F O-9-20264 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Upton | 2 | 336K | 3.88M | Feb 2019 – Aug 2026 |
| Childress-Richardson "4" O-9-13377 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 261K | 635K | by Jan 1993 – Aug 2026 |
| Whirlaway O-9-23210 | Triple Crown Resources, LLC only | Spraberry (Trend Area) | Upton | 5 | 213K | 198K | Sep 2025 – Jul 2026 |
| Arco-Coleman "11" O-9-13437 | BCP Resources, LLC only | Triumph (Wolfcamp) | Upton | 1 | 200K | 496K | Apr 1993 – Aug 2022 |
| Arco - Coleman "14" O-9-13318 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 180K | 322K | by Jan 1993 – Jun 2006 |
| Arco-Lindsey "56" O-9-13852 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 157K | 316K | Sep 1995 – Sep 2013 |
| Childress-Richardson '13' O-9-13527 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 123K | 216K | Nov 1993 – Aug 2016 |
| Latrice O-9-15974 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 2 | 116K | 594K | Jul 2006 – May 2026 |
| Chevron Arco-Lindsey "6" O-9-13893 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 2 | 99.8K | 187K | Nov 1995 – Oct 2013 |
| Deshon O-9-13831 | Thompson, J. Cleo only | Triumph (Wolfcamp) | Upton | 1 | 96.5K | 142K | Jul 1995 – Mar 2019 |
| Shirk "1" O-9-13889 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 2 | 89.3K | 716K | Oct 1995 – Aug 2026 |
| Chevron Hanks-Lindsey "9" O-9-13862 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 77.1K | 213K | Sep 1995 – Oct 2002 |
| Chevron Gaylord "55" O-9-13677 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 74.2K | 115K | Sep 1994 – Apr 1997 |
| McElroy Ranch Co. -G- O-10-32630 | Devon Energy Production Co, L.P. only | J. Cleo Thompson (Detrital) | Upton | 1 | 49.4K | 1.5M | by Jan 1993 – Dec 2010 |
| Lindsey, Dewayne O-9-10157 | Diamondback E&P LLC only | Corbett (Bend Detrital) | Upton | 7 | 42.9K | 187K | by Jan 1993 – Jun 2019 |
| Cody Bell 53 O-9-20852 | Broken Horse, LLC only | Triumph (Wolfcamp) | Upton | 1 | 28.3K | 3.5K | Mar 2020 – Aug 2026 |
| Wade Richardson "16" O-9-13442 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 22.7K | 26.2K | May 1993 – Apr 1994 |
| Universityvincent G-9-215706 | R2Q Operating LLC only | Blue Danube, E. (Penn. Detrital) | Upton | 1 | 17K | 745K | Dec 2005 – Aug 2026 |
| Shepherd O-9-13866 | Thompson, J. Cleo only | Triumph (Strawn Detrital) | Upton | 1 | 15.1K | 10.4K | Oct 1995 – Dec 1998 |
| Lindsey O-9-15633 | Momentum Energy Corporation only | Triumph (Strawn Detrital) | Upton | 1 | 14.9K | 25.5K | Nov 2004 – Dec 2018 |
| McElroy Ranch Co. -G- G-10-263299 | Diamondback E&P LLC only | J. Cleo Thompson (Detrital) | Upton | 1 | 13K | 912K | Jan 2011 – Aug 2026 |
| Arco-Lindsey '10' O-9-13599 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 12.4K | 15.6K | Mar 1994 – Feb 1996 |
| Neal, H. F. O-9-2993 | White's Industrial Engine's only | Spraberry (Trend Area CL. Fk.) | Upton | 1 | 8.43K | 118K | by Jan 1993 – Apr 2015 |
| McElroy Ranch Co. "F" O-10-36054 | Devon Energy Production Co, L.P. only | J. Cleo Thompson (Detrital) | Upton | 1 | 6.24K | 107K | Aug 1998 – Mar 2009 |
| Lane "A" O-9-8252 | Broken Horse, LLC only | Amacker-Tippett,s(detrital 9270) | Upton | 1 | 2.67K | 15.9K | by Jan 1993 – Aug 2026 |
| Hall 11 O-9-18183 | Hannathon Petroleum, LLC only | Trigg (Strawn) | Upton | 1 | 2.58K | 5.61K | Dec 2012 – Jun 2013 |
| Powell, M. C. 840 O-9-840 | Tripp & Sons, LLC only | McCamey | Upton | 1 | 1.69K | 17 | by Jan 1993 – Aug 1997 |
| Powell, M. C. 852 O-9-852 | Tripp & Sons, LLC only | McCamey | Upton | 6 | 1.41K | 17 | by Jan 1993 – Jul 1997 |
| University "3-16" O-9-7179 | Triple "N" Services, Inc. only | Spraberry (Trend Area) | Upton | 1 | 1.38K | 1.63K | by Jan 1993 – Jan 1994 |
| Cordova-Union -A- O-9-837 | Tripp & Sons, LLC only | McCamey | Upton | 1 | 1.28K | 18 | by Jan 1993 – Oct 2001 |
| Richardson 43-1 O-9-13521 | Thompson, J. Cleo only | Triumph (Wolfcamp) | Upton | 2 | 1.18K | 713 | Sep 1993 – Aug 1994 |
| Cody Bell "13" G-9-192919 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 1.11K | 526K | Dec 2002 – Aug 2026 |
| University "13-15" O-9-13632 | Owens Petroleum, Inc. only | Triumph (Wolfcamp) | Upton | 1 | 1.06K | 4 | Jun 1994 – Jan 1995 |
| Lyon, E. F. O-9-3599 | Tripp & Sons, LLC only | McCamey | Upton | 3 | 912 | 166 | by Jan 1993 – Feb 1996 |
| Gibbs, Anna O-10-966 | Tripp & Sons, LLC only | Crane Cowden | Crane | 11 | 722 | 7 | Sep 1993 – Oct 2011 |
| McElroy Ranch Co. "G" O-9-10525 | Diamondback E&P LLC only | McElroy (Strawn Detrital) | Crane | 2 | 684 | 8.2K | Apr 2003 – Oct 2004 |
| King O-9-843 | Tripp & Sons, LLC only | McCamey | Upton | 1 | 547 | 13 | by Jan 1993 – Mar 2002 |
| Duggan, T. B. G-9-53236 | White's Industrial Engine's only | Spraberry (Trend Area CL. Fk.) | Upton | 1 | 287 | 79.1K | by Jan 1993 – Apr 2021 |
| Keeney, W. E. "24" G-9-136810 | White's Industrial Engine's only | Spraberry (Trend Area CL. Fk.) | Upton | 1 | 262 | 54.8K | by Jan 1993 – Jul 2006 |