| Traylor, Maude B. G-2-133415 | Angel Operating LLC only | Maude B. Traylor, North (40) | Calhoun | 1 | 21.9K | 1.83M | by Jan 1993 – Jun 2023 |
| Dangelmayr A G-13-273156 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 21.9K | 633K | May 2010 – Aug 2026 |
| Traylor, Maude B. "B" G-2-248628 | Angel Operating LLC only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 21.5K | 440K | Jan 2009 – Jun 2023 |
| Charlton, Mrs. G. T. O-9-3479 | Fratelli Exploration, L.P. only | Brooks, Southeast (San Angelo) | Irion | 2 | 20.9K | 101 | by Jan 1993 – Dec 2008 |
| Stringer, L. R. O-10-25223 | SS Operating LLC only | Stringer (San Angelo) | Sterling | 7 | 20.8K | 107 | by Jan 1993 – Aug 2026 |
| Gilfillian, Hollis G-3-176658 | Magnum Producing, LP only | Angelina, E. (Discorbis 11,600) | Jefferson | 1 | 20.1K | 10.3M | Jan 2000 – Apr 2008 |
| Stoeger G-3-174917 | EOG Resources, Inc. only | Angelina (11,800) | Jefferson | 1 | 20K | 848K | May 1999 – Jan 2000 |
| Angelita Unit G-4-241734 | Republic Resources, LLC. only | Odem (7000) | San Patricio | 1 | 19.7K | 939K | Apr 2008 – Aug 2011 |
| Stoeger G-3-176826 | EOG Resources, Inc. only | Angelina (10700) | Jefferson | 1 | 18.8K | 696K | Dec 1999 – Oct 2000 |
| Angel O-10-35798 | Pogo Panhandle 2004, L.P. only | Spraberry (Trend Area) | Martin | 1 | 18.7K | 34.7K | May 1998 – Jan 2002 |
| Dangelmayr A G-13-272953 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 18.6K | 227K | Aug 2010 – May 2024 |
| Guinn "A" O-9-9223 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 1 | 18.4K | 36 | by Jan 1993 – Aug 2026 |
| Tweedy O-9-9625 | Fratelli Exploration, L.P. only | Brooks (San Angelo) | Irion | 9 | 18.3K | 91 | by Jan 1993 – Aug 2020 |
| Simpson-Mann "B" O-9-12350 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 6 | 17.5K | 38 | by Jan 1993 – Aug 2026 |
| Tubb, J. B. a/C #1 O-10-57245 | Formentera Operations LLC only | Sand Hills (San Angelo, Upper) | Crane | 2 | 17.4K | 234K | Apr 2022 – Aug 2026 |
| Dangelmayr A G-13-272324 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 17.2K | 123K | Jun 2010 – Sep 2016 |
| Dangelmayr O-13-31576 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 17.1K | 10.4K | Nov 2009 – Jan 2010 |
| Niebuhr-Eversberg O-2-11824 | Angel Operating LLC only | Ganado, West (4700 Zone) | Jackson | 1 | 16.8K | 30.8K | Aug 2018 – Sep 2021 |
| First Natl. Bank of San Angelo O-9-3083 | Phoenix Hydrocarbons Operating only | Benedum (Spraberry) | Upton | 1 | 16.8K | 15.6K | by Jan 1993 – Jan 2004 |
| Welder Ranch G-4-199173 | Proline Energy Resources Inc only | Angelita New (Frio) | San Patricio | 1 | 16.3K | 626K | Oct 2003 – Jul 2026 |
| Dangelmayr A G-13-272950 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 16.1K | 124K | May 2010 – Mar 2018 |
| Dangelmayr A G-13-272951 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 16K | 158K | May 2010 – Jul 2022 |
| Dangelmayr A G-13-272943 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 15.8K | 145K | May 2010 – May 2016 |
| Laurel, Angel G-4-174908 | BZG E&P LLC only | Cuba Libre (3RD Hinnant) | Webb | 1 | 15.5K | 1.73M | Oct 1999 – Aug 2026 |
| Mangel A G-4-173316 | D90 Energy, LLC only | La Encantada (Vicksburg E) | Brooks | 1 | 15.4K | 742K | Mar 1999 – Jul 2012 |
| Buccaneer G-3-279163 | Houston Energy Operating, L.P. only | Angelina (10,600) | Chambers | 1 | 14.7K | 649K | Jun 2014 – Apr 2016 |
| Mangel G-4-168182 | Stonegate Operators, Inc. only | Alta Mesa East (Loma Blanca) | Brooks | 1 | 14.7K | 701K | Feb 1998 – Oct 2003 |
| Angelita Unit G-4-230454 | Republic Resources, LLC. only | Angelita, E. (6950) | San Patricio | 1 | 14.5K | 820K | Jul 2007 – Aug 2011 |
| Waddell TR A G-10-201854 | Blackbeard Operating, LLC only | Sand Hills (San Angelo) | Crane | 1 | 14.4K | 174K | Dec 2003 – Jan 2022 |
| Dangelmayr A G-13-272957 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 14.2K | 527K | Sep 2011 – Jul 2026 |
| Welder Ranch O-4-13061 | Urban Oil & Gas Group, LLC only | Angelita New (Frio) | San Patricio | 4 | 13.8K | 103K | Nov 2001 – Sep 2009 |
| Evangeline G-3-281708 | Transpacific Energy, LLC only | Egypt (Cook MTN) | Wharton | 1 | 13.4K | 1.07M | Apr 2016 – Jul 2026 |
| Behrens, Angelyne O-3-20121 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 13.1K | 153K | by Jan 1993 – Feb 2026 |
| Dangelmayr South G-13-274368 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 13K | 57.7K | Feb 2010 – Feb 2016 |
| Tweedy "AF" O-9-10109 | Swartz Oil Company only | Atkinson, W. (San Angelo) | Tom Green | 13 | 12.8K | 216 | by Jan 1993 – Feb 1996 |
| Angello O-3-25762 | New Century Exploration, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 12.8K | 67.8K | Mar 2011 – Sep 2015 |
| Evangeline G-3-286175 | Transpacific Energy, LLC only | Egypt (Cook MTN) | Wharton | 1 | 12.7K | 1.27M | Sep 2018 – Jul 2026 |
| Dangelmayr B O-13-31545 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 12.7K | 7.27K | Nov 2009 – Jan 2010 |
| Angelo 4 O-13-32998 | Assent Energy Partners, LLC only | Short Grass Prairie (Cong) | Hardeman | 1 | 12.3K | 25.7K | Feb 2012 – Nov 2024 |
| McMillan, Reva O-9-7530 | Bomar Operating Co., LC only | Mim. NW (San Angelo) | Irion | 4 | 12.2K | 8 | by Jan 1993 – Jan 2001 |
| Postema O-3-20725 | Hondo Operating, Inc. only | Angelina, N. (Frio 10500) | Chambers | 1 | 12K | 25K | by Jan 1993 – Apr 1997 |
| Tubb, J. B. I O-10-57406 | Formentera Operations LLC only | Sand Hills (San Angelo, Upper) | Crane | 1 | 11.9K | 281K | Feb 2022 – Aug 2026 |
| Bryant, M. D. Est. O-9-12630 | Concho Oilfield Serv & Oper Co. only | Brooks, North (San Angelo) | Irion | 3 | 11.9K | 23 | by Jan 1993 – Nov 2010 |
| Stede Bonnet E O-10-60282 | Blackbeard Operating, LLC only | Sand Hills (San Angelo, Upper) | Crane | 2 | 11.9K | 30.5K | Jun 2023 – Aug 2026 |
| Angela O-1-13390 | Winn Exploration Co., Inc. only | Pearsall (Austin Chalk) | Zavala | 2 | 11.9K | 10 | Nov 1993 – Sep 1994 |
| Tweedy "A" O-9-10832 | Fratelli Exploration, L.P. only | Brooks (San Angelo) | Irion | 2 | 11.8K | 91 | by Jan 1993 – Feb 2009 |
| Traylor, Maude B. O-2-8118 | Angel Operating LLC only | Maude B. Traylor, North (28) | Calhoun | 2 | 11.6K | 161K | Oct 1995 – Feb 2021 |
| Hamons, Dan O-2-3418 | Angel Operating LLC only | Ganado, West (4700 Zone) | Jackson | 2 | 10.9K | 22.5K | by Jan 1993 – Feb 1995 |
| Mauritz-Spacek O-2-11851 | Angel Operating LLC only | Ganado, West (4700 Zone) | Jackson | 1 | 10.9K | 11.1K | Nov 2018 – Sep 2019 |
| Brooks, Lillian Brooks, et Al O-9-7895 | Bomar Operating Co., LC only | Mim. NW (San Angelo) | Irion | 1 | 10.8K | 8 | by Jan 1993 – Jan 2001 |