| Gladden Heirs O-13-29992 | Legacy Exploration, LLC I only | Dillard, SE. (Ellenburger) | Clay | 2 | 126K | 115K | Jan 2002 – Feb 2018 |
| Ladd G-3-276611 | Ballard Exploration Company,inc. only | Devers, NW. (Lower Cook Mtn. 1) | Liberty | 1 | 61.9K | 840K | Feb 2014 – Aug 2026 |
| Harris-Ladd O-14-5484 | J. W. Resources Inc. only | Panhandle Moore County Field | Moore | 20 | 52.4K | 87.9K | by Jan 1993 – Aug 2026 |
| Ladd O-11-62119 | McClure Oil Company, Inc. only | V & S (San Andres) | Gaines | 2 | 52K | 145 | by Jan 1993 – Aug 2026 |
| Ladd 'A' O-11-62226 | McClure Oil Company, Inc. only | V & S (San Andres) | Gaines | 1 | 52K | 145 | by Jan 1993 – Mar 2022 |
| Scott, Roscoe O-13-12253 | Felderhoff Production Company only | Gladden (Strawn) | Jack | 3 | 33K | 119 | by Jan 1993 – Jul 2026 |
| Western Cooper O-10-35214 | Ladd Oil & Gas Corporation only | Cobra (Wolfcamp) | Glasscock | 2 | 26.1K | 34.2K | Jan 1997 – May 2005 |
| Magness O-8-30454 | Ladd Oil & Gas Corporation only | Watts (Gardner Sand) | Nolan | 1 | 19.9K | 52.3K | Sep 2009 – Oct 2017 |
| Gladden Heirs '67' O-13-15210 | Legacy Exploration, LLC I only | Dillard, SE. (Ellenburger) | Clay | 1 | 12.2K | 16.4K | Jul 2004 – Nov 2018 |
| Williams O-9-4930 | Ladd Oil & Gas Corporation only | Tankersley (5200) | Irion | 1 | 9.23K | 166K | by Jan 1993 – Jul 2019 |
| Lulalee-Wilson O-9-13668 | Ladd Oil & Gas Corporation only | Lula Bell (Canyon Sand) | Schleicher | 1 | 8.22K | 8.76K | May 1994 – Apr 2000 |
| Gladden, M.O. O-8-16106 | Oaktree Oil Company only | Shackelford County Regular | Shackelford | 5 | 7.85K | 15 | by Jan 1993 – Aug 2026 |
| Sugg O-9-8619 | Ladd Operating Company only | Calvin (Dean) | Reagan | 2 | 5.69K | 8.55K | by Jan 1993 – Oct 1995 |
| Ladd O-14-6209 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 5 | 5.19K | 39.7K | by Jan 1993 – Aug 2018 |
| Collins, Claude Jr. Estate O-10-31354 | Ladd Oil & Gas Corporation only | China Draw (Ellenburger) | Sterling | 1 | 4.92K | 14 | Apr 1995 – Jan 2005 |
| Ladd-Pierce "100" O-9-11513 | Tidwell Production Company only | V. I. P. (Clear Fork Middle) | Crockett | 1 | 4.89K | 139 | by Jan 1993 – Aug 2019 |
| Collins, Claude Jr. Estate -B- O-10-32214 | Ladd Oil & Gas Corporation only | China Draw (Canyon) | Sterling | 1 | 4.63K | 40 | May 1995 – Oct 2006 |
| Gladden Heirs O-13-33608 | Legacy Exploration, LLC I only | KRS (Marble Falls) | Jack | 1 | 4.33K | 41.1K | Jan 2016 – Feb 2019 |
| Henderson, Ladd 13 G-9-116475 | Diamond S Energy Company only | D J S (Canyon Sand, Upper) | Crockett | 1 | 4.01K | 478K | by Jan 1993 – Aug 2026 |
| Ladd O-14-9777 | H & L Exploration Company, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 3.48K | 23.7K | Apr 2022 – 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 |
| Ladd Unit G-13-258687 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 2.2K | 4.13M | Dec 2010 – Aug 2026 |
| Gladden, M.O. 'A' O-8-32852 | Oaktree Oil Company only | Shackelford County Regular | Shackelford | 1 | 2.19K | 0 | Jan 2026 – Aug 2026 |
| Ladd-Pierce 2 G-9-106944 | Energy Twenty Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 1.87K | 262K | by Jan 1993 – Jan 2019 |
| Ladd - Pierce 1 G-9-104362 | Energy Twenty Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 1.79K | 208K | by Jan 1993 – Nov 2018 |
| Stark-Cooper O-13-27467 | McEuen, Billy Oil Co. only | Gladden (Strawn) | Jack | 2 | 1.6K | 37 | by Jan 1993 – Jan 1996 |
| Ladd Henderson 13 G-9-127018 | Energy Twenty Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 1.52K | 94.6K | by Jan 1993 – Dec 2018 |
| Ladd G-13-245231 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 872 | 160K | Sep 2008 – Sep 2011 |
| Mitchell O-8-29198 | Ladd Oil & Gas Corporation only | Audas-Graham (Capps Lime) | Runnels | 1 | 847 | 642 | Dec 2002 – Jun 2003 |
| Henderson, Ladd 13 G-9-113082 | Diamond S Energy Company only | D J S (Canyon Sand, Upper) | Crockett | 1 | 746 | 416K | by Jan 1993 – Aug 2026 |
| Ladd Unit G-13-260056 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 718 | 347K | Dec 2010 – Jul 2026 |
| Gordon O-9-15663 | Ladd Oil & Gas Corporation only | Ballinger, South (Capps Lime) | Runnels | 1 | 632 | 0 | Feb 2005 – Sep 2005 |
| Ladd Henderson 13 G-9-127019 | Diamond S Energy Company only | Ozona (Canyon Sand) | Crockett | 1 | 583 | 63.8K | by Jan 1993 – Dec 2015 |
| Chambers 119 O-14-9108 | Laddex, Ltd. only | St. Clair (Granite Wash) | Roberts | 1 | 567 | 200 | Feb 2014 – May 2015 |
| Mitchell G-8-181730 | Ladd Oil & Gas Corporation only | MCL (Fry Sand) | Runnels | 1 | 370 | 78.1K | Feb 2001 – Nov 2002 |
| Williams "F" O-9-16922 | Ladd Oil & Gas Corporation only | Tankersley (Wolfcamp) | Schleicher | 1 | 333 | 301 | Apr 2009 – Jun 2017 |
| Ladd, Marie G-13-56679 | Jay Management Company, LLC only | Bartons Chapel, E.(conglomerate) | Jack | 1 | 246 | 305K | by Jan 1993 – Jun 2016 |
| Ladd G-8-57214 | Dallas Production, Inc. only | Meeker (Conglomerate 4800) | Palo Pinto | 1 | 102 | 174K | by Jan 1993 – Oct 2005 |
| Ladd-Carson 47 G-9-108440 | Energy Twenty Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 84 | 63.5K | by Jan 1993 – Dec 2018 |
| Gladden, K-B O-13-15097 | Legacy Exploration, LLC I only | Dillard, SE. (Ellenburger) | Jack | 5 | 59 | 6 | Feb 1993 – Mar 1994 |
| Gladden, K-B, (Shallow) O-13-3694 | Deweber Energy only | Gladden (Strawn) | Jack | 1 | 39 | 6 | Feb 1993 – Mar 1994 |
| Ladd G-5-168879 | Diversified Production LLC only | Bear Grass (Cotton Valley Cons) | Leon | 1 | 4 | 1.66M | Feb 1998 – Aug 2026 |
| Ladd-Gilbert "B" G-8-80949 | Brazos Operating LLC only | Brazos, East (Caddo) | Parker | 1 | 1 | 69.1K | by Jan 1993 – Feb 2023 |
| Ladd-Carr "K" G-8-77570 | Brazos Operating LLC only | Brazos, East (Caddo) | Parker | 1 | 0 | 417K | by Jan 1993 – Aug 2026 |
| Ladd-Carr "E" G-8-92772 | Brazos Operating LLC only | Brazos, East (Marble Falls) | Parker | 1 | 0 | 29.4K | May 2007 – Mar 2026 |
| Ladd-Carr "K" G-8-159559 | Brazos Operating LLC only | Brazos, East (Caddo) | Parker | 1 | 0 | 45.6K | Jun 1996 – Aug 2026 |
| Ladd, Paul G-14-25783 | Reneau, James Seed Co. only | Panhandle, East | Wheeler | 1 | 0 | 19.8K | by Jan 1993 – Aug 2018 |
| Ladd-Carr "O" G-8-68994 | Brazos Operating LLC only | Brazos, East (Strawn) | Parker | 1 | 0 | 115K | by Jan 1993 – Aug 2026 |
| Ladd-Carr "K" G-8-77613 | Banks, R. C. only | Brazos, East (Marble Falls) | Parker | 1 | 0 | 11.5K | by Jan 1993 – May 1996 |
| Ladd-Carr -K- G-8-75158 | MKS Natural Gas Company only | Brazos, East (Caddo) | Parker | 1 | 0 | 79K | by Jan 1993 – Nov 2010 |