| Holt, W. I. "AB" O-13-19427 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 4 | 110K | 62.7K | by Jan 1993 – Aug 2026 |
| Mayo, Joe Unit #1 O-13-21222 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 1 | 100K | 37.9K | by Jan 1993 – Aug 2026 |
| Mayo, Joe Unit #2 O-13-22070 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 1 | 92K | 43.4K | by Jan 1993 – Aug 2026 |
| Sparkman O-13-33262 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 68.6K | 634K | Nov 2014 – Aug 2026 |
| Southerlan Unit O-13-16496 | Pruitt Oil & Gas only | Joy, N.W. (Marble Falls) | Clay | 1 | 26.8K | 41 | by Jan 1993 – Aug 2006 |
| Wayne Roe O-13-33464 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 2 | 18.4K | 186K | Sep 2015 – Aug 2026 |
| Roe, Leda Garrett O-13-24446 | Primexx Operating Corporation only | Tally (Marble Falls) | Clay | 3 | 16.2K | 35.7K | by Jan 1993 – May 2010 |
| Albert Hilbers O-13-33753 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 15.2K | 83K | Oct 2015 – Aug 2026 |
| Keen O-13-34011 | Oakridge Oil and Gas, LP only | Dillard, SW. (Marble Falls) | Clay | 1 | 12.1K | 45.9K | May 2014 – Aug 2021 |
| Clampitt O-13-33749 | Azteca Petroleum, LLC only | KRS (Marble Falls) | Clay | 1 | 11K | 239K | Oct 2015 – Sep 2022 |
| North Watson O-13-33463 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 7.69K | 49.1K | Sep 2015 – Sep 2022 |
| Ragin Cajun Unit O-13-34024 | Legacy Exploration, LLC I only | KRS (Marble Falls) | Clay | 1 | 7.09K | 11K | May 2021 – Nov 2022 |
| Hill O-13-34030 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 6.93K | 34.4K | May 2016 – Nov 2021 |
| Leda Roe O-13-33462 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 6.76K | 69.4K | Aug 2015 – Aug 2026 |
| Mabel Watson O-13-33636 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 6.73K | 76K | Sep 2015 – Aug 2026 |
| Edwards, G. W. -A- O-13-15703 | Bridwell Oil Co. only | Dillard, S. (Marble Falls) | Clay | 2 | 6.52K | 95.6K | by Jan 1993 – Nov 2003 |
| L G Roe O-13-33689 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 5.96K | 28K | Oct 2015 – Apr 2025 |
| Blalack O-13-33759 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 2 | 5.87K | 30.5K | Jun 2016 – Jul 2026 |
| Alexander Omega Trust Lease O-13-33863 | Legacy Exploration, LLC I only | Dillard, SW. (Marble Falls) | Clay | 2 | 5.71K | 39.7K | Jan 2019 – Jul 2022 |
| Clampitt O-13-33765 | Rife Energy Operating, Inc. only | Antelope,s.e. (Marble Falls) | Clay | 1 | 4.48K | 6.46K | Jun 2016 – Aug 2026 |
| Lynn, Becky O-13-30548 | Willowbend Investments, Inc. only | Tally (Marble Falls) | Clay | 1 | 4.21K | 37.5K | Dec 2004 – Apr 2016 |
| Clerihew O-13-33964 | Blakenergy Operating, LLC only | KRS (Marble Falls) | Clay | 1 | 3.31K | 23.5K | Apr 2019 – Aug 2026 |
| Fulcher O-13-34037 | Blakenergy Operating, LLC only | KRS (Marble Falls) | Clay | 1 | 2.9K | 2.98K | Dec 2019 – Aug 2026 |
| Gladden Heirs 67 O-13-33626 | Legacy Exploration, LLC I only | KRS (Marble Falls) | Clay | 1 | 2.59K | 7.32K | Jul 2016 – Feb 2020 |
| Cleveland O-13-33439 | Legacy Exploration, LLC I only | Dillard, SW. (Marble Falls) | Clay | 1 | 1.98K | 13.5K | Sep 2015 – Nov 2017 |
| Browning, A. L. O-13-30922 | Bud Oil, Inc. only | Joy, N.W. (Marble Falls) | Clay | 1 | 1.43K | 0 | Feb 2008 – Aug 2026 |
| Edwards, G. W. "A" G-13-198605 | TB Petroleum, LLC only | Dillard, S. (Marble Falls) | Clay | 1 | 1.23K | 149K | Dec 2003 – Aug 2026 |
| Elenburg G-13-102761 | Quest-Tex Energy OP II, LLC only | Dillard, S. (Marble Falls) | Clay | 1 | 636 | 300K | by Jan 1993 – Oct 2015 |
| Coker Unit O-13-33699 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 482 | 30.4K | May 2017 – Sep 2021 |
| Fulgham, W. B. O-13-21035 | Hexagon Oil and Gas Inc. only | Joy, N.W. (Marble Falls) | Clay | 1 | 467 | 2.11K | by Jan 1993 – Jun 1994 |
| Scaling Ranch "F" G-13-144992 | Primexx Operating Corporation only | Tally (Marble Falls) | Clay | 1 | 404 | 45.4K | Mar 1993 – May 2010 |
| Treadwell, Velma "A" O-13-22206 | Yarberry, E. E. only | Dillard, S. (Marble Falls) | Clay | 1 | 152 | 22.6K | by Jan 1993 – Feb 1998 |
| Scaling Ranch "F" G-13-145002 | Primexx Operating Corporation only | Tally (Marble Falls) | Clay | 1 | 144 | 45.4K | Mar 1993 – May 2010 |
| Clampitt G-13-292810 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 53 | 24.4K | Jun 2022 – Aug 2026 |
| Johnson Heirs G-13-86752 | Bradley, John W. Inc. only | Dillard, SW. (Marble Falls) | Clay | 1 | 48 | 44.6K | by Jan 1993 – Jun 2007 |
| Scaling Ranch "F" O-13-23938 | Fagadau Energy Corporation only | Tally (Marble Falls) | Clay | 6 | 4 | 2.68K | by Jan 1993 – Mar 1993 |
| Prideaux, Ruby G-13-99972 | Yarberry Operating, LLC only | Dillard, S. (Marble Falls) | Clay | 1 | 0 | 69.4K | by Jan 1993 – Dec 2018 |
| Mayo, Joe A O-13-22212 | Spragins, Ed only | Joy, N.W. (Marble Falls) | Clay | 1 | 0 | 0 | — |
| Hoff, Iva Mae O-13-21050 | Great State Petroleum, Inc. only | Post Oak, SW. (Marble Falls) | Clay | 1 | 0 | 0 | — |
| Cozart, L. E. O-13-18403 | Stephens & Johnson Operating Co. only | Dillard, S. (Marble Falls) | Clay | 1 | 0 | 0 | — |
| Coker Unit G-13-292430 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 0 | 817 | Oct 2021 – Nov 2022 |
| Holt, W. I. "AB" G-13-287583 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 1 | 0 | 2.11K | May 2019 – Aug 2026 |
| Clerihew G-13-287365 | Blakenergy Operating, LLC only | KRS (Marble Falls) | Clay | 1 | 0 | 0 | — |
| Treadwell, Velma "A" G-13-169868 | Yarberry Operating, LLC only | Dillard, S. (Marble Falls) | Clay | 1 | 0 | 38.1K | Jun 1995 – Apr 2015 |
| Treadwell G-13-113398 | Husfeld, Rose Marie only | Dillard, S. (Marble Falls) | Clay | 1 | 0 | 162K | by Jan 1993 – Oct 2009 |
| Scaling Ranch "P" O-13-24101 | Lindemann, W.L., Oper. Co., Inc. only | Tally (Marble Falls) | Clay | 5 | 0 | 0 | — |