| McElroy Ranch O-9-16427 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 2 | 356K | 2.39M | Jun 2007 – Aug 2026 |
| Amacker, Barnett O-9-16582 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 5 | 324K | 1.14M | Apr 2008 – Aug 2026 |
| Windham, Elizabeth O-9-14787 | Southwest Royalties, Inc. | Barnet-Amacker (Fusselman) | Upton | 2 | 236K | 1.62M | Jun 1998 – Aug 2026 |
| Windham, R. S. O-9-16652 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 4 | 227K | 2.99M | Jun 2008 – Aug 2026 |
| Barnett-Amacker O-9-5929 | Southwest Royalties, Inc. | Amacker-Tippett (Wolfcamp) | Upton | 3 | 162K | 370K | by Jan 1993 – Mar 2026 |
| SWR O-9-16442 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 3 | 127K | 909K | Nov 2007 – Aug 2026 |
| Barnett Amacker G-9-223837 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 90.4K | 1.59M | Nov 2006 – Aug 2024 |
| Amacker, Barnett G-9-217389 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 89.4K | 2.71M | Feb 2006 – Aug 2026 |
| Windham, R.S. "C" O-9-15808 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 2 | 84.6K | 616K | Aug 2005 – Jul 2026 |
| Windham-Clark 103 Unit G-9-214430 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 83.4K | 1.13M | Feb 2005 – Aug 2026 |
| Windham, Elizabeth O-9-16666 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 3 | 71.5K | 1.23M | Jul 2008 – Aug 2026 |
| Lane, J. S. O-9-4596 | Southwest Royalties, Inc. | Amacker-Tippett, S. (Bend) | Upton | 1 | 70K | 563K | by Jan 1993 – Apr 2010 |
| Shirk, Mary K. O-9-7859 | Southwest Royalties, Inc. | Mary Shirk (Wolfcamp) | Upton | 1 | 60.9K | 921K | by Jan 1993 – Sep 2003 |
| Windham, R.S. "B" a/C 2 O-9-15807 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 2 | 46.5K | 424K | Sep 2005 – Aug 2026 |
| Shirk, Mary K. O-9-4326 | Southwest Royalties, Inc. | Amacker-Tippett, S. (Bend) | Upton | 3 | 45.6K | 252K | by Jan 1993 – Jun 2026 |
| Barnet-Amacker O-9-4843 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 3 | 44.3K | 814K | Sep 2008 – Jul 2026 |
| Barnett Amacker G-9-256864 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 37.6K | 1.65M | Nov 2007 – Aug 2026 |
| Owens Ranch 4 O-9-14866 | Southwest Royalties, Inc. | W. Richardson, E. (Wlfc.) | Upton | 1 | 31.5K | 122K | Feb 1999 – Jan 2002 |
| Dodson Ranch O-9-16715 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 1 | 29.4K | 143K | Oct 2008 – May 2026 |
| Windham, R.S. "C" G-9-210678 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 28K | 598K | Apr 2005 – Aug 2026 |
| Owens Ranch -4- O-9-4880 | Southwest Royalties, Inc. | Amacker-Tippett, Se(bend 10600) | Upton | 2 | 26.9K | 138K | by Jan 1993 – Dec 1998 |
| Windham, Elizabeth a/C 2 O-9-8739 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 25.9K | 20.1K | by Jan 1993 – May 1998 |
| McElroy Ranch G-9-50856 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 25.9K | 2.38M | by Jan 1993 – Jun 2017 |
| Windham, Elizabeth G-9-18649 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 23.5K | 2.76M | by Jan 1993 – Aug 2020 |
| Windham, Elizabeth O-9-15794 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 23.2K | 695K | Jul 2005 – Aug 2026 |
| Windham, Elizabeth G-9-150764 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 21K | 1.72M | Aug 1994 – Feb 2026 |
| Barnet-Amacker G-9-18648 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 20.9K | 4.35M | by Jan 1993 – Aug 2026 |
| Windham, RS -B- a/C 2 G-9-207981 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 19.1K | 487K | Jan 2005 – Aug 2026 |
| Barnet-Amacker O-9-15706 | Southwest Royalties, Inc. | Amacker-Tippett (Strawn) | Upton | 1 | 17.7K | 298K | Mar 2005 – Apr 2015 |
| King, J. H. O-9-12133 | Southwest Royalties, Inc. | McCamey, W. (Joins) | Upton | 1 | 13.8K | 17 | by Jan 1993 – Jun 1994 |
| Windham, R. S. O-9-15316 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 13.4K | 968K | Oct 2002 – Aug 2026 |
| Windham, R. S. G-9-42052 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 12.3K | 924K | by Jan 1993 – Aug 2026 |
| Lane, J S O-9-16653 | Southwest Royalties, Inc. | Spraberry (Trend Area) | Upton | 1 | 11.5K | 32.5K | May 2008 – Sep 2012 |
| Windham, R. S. -B- a/C 2 G-9-18651 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 10.6K | 751K | by Jan 1993 – Jan 2025 |
| Windham, Elizabeth G-9-198185 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 10K | 1.62M | Jul 2003 – May 2025 |
| McElroy Ranch G-9-187392 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 9.33K | 604K | Aug 2001 – Aug 2026 |
| Windham, Elizabeth a/C 3 G-9-194185 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 9.12K | 1.31M | Mar 2003 – Mar 2026 |
| Windham, R. S. O-9-2145 | Southwest Royalties, Inc. | Wilshire (Pennsylvanian) | Upton | 2 | 7.41K | 295K | by Jan 1993 – May 2003 |
| Windham, R. S. O-9-16547 | Southwest Royalties, Inc. | Amacker-Tippett (Wolfcamp) | Upton | 1 | 6.23K | 35.4K | Jan 2008 – Aug 2026 |
| Windham, R. S. G-9-208895 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 3.99K | 179K | Feb 2005 – May 2008 |
| Lane, J. S. O-9-15793 | Southwest Royalties, Inc. | Amacker-Tippett (Devonian) | Upton | 1 | 2.18K | 17K | Oct 2005 – Apr 2008 |
| Windham, R. S. G-9-37867 | Southwest Royalties, Inc. | Wilshire (Consolidated) | Upton | 1 | 871 | 226K | by Jan 1993 – Aug 2002 |
| Barnet-Amacker G-9-277472 | Southwest Royalties, Inc. | Amacker-Tippett (Strawn) | Upton | 1 | 12 | 1.94K | May 2015 – May 2016 |
| Mary Shirk G-9-211856 | Southwest Royalties, Inc. | Mary Shirk (Wolfcamp) | Upton | 1 | 1 | 23.4K | Apr 2003 – May 2018 |
| Owens Ranch -10- O-9-4804 | Southwest Royalties, Inc. | Amacker-Tippett, Se(bend 10600) | Upton | 1 | 0 | 0 | — |
| Windham, Elizabeth a/C #4 O-9-2479 | Southwest Royalties, Inc. | Amacker-Tippett (Fusselman) | Upton | 1 | 0 | 0 | — |
| Chaney, W. A. O-9-918 | Southwest Royalties, Inc. | McCamey | Upton | 4 | 0 | 0 | — |
| Windham, Elizabeth O-9-16 | Southwest Royalties, Inc. | Amacker-Tippett (Ellenburger) | Upton | 2 | 0 | 0 | — |
| SWR O-9-16919 | Southwest Royalties, Inc. | Wildcat | Upton | 1 | 0 | 0 | — |
| Windham, R. S., -B- G-9-18959 | Southwest Royalties, Inc. | Jack Herbert (Strawn Penn.) | Upton | 1 | 0 | 0 | — |