| Timberwolf State Unit O-10-49147 | U.S. Energy Development Corp only | Wolfbone (Trend Area) | Reeves | 4 | 1.04M | 2.36M | May 2017 – Aug 2026 |
| State-Houston Co. Timber Co."f" O-10-23652 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 15 | 147K | 173K | by Jan 1993 – Feb 2025 |
| Connell, A. B., -C- O-10-16545 | Cross Timbers Energy, LLC only | Metz, East (Ellenburger) | Ector | 3 | 142K | 86.6K | by Jan 1993 – Aug 2016 |
| McDonald, Ida O-10-3091 | Cross Timbers Energy, LLC only | Jordan (Ellenburger) | Ector | 3 | 141K | 220K | by Jan 1993 – Jan 2016 |
| State Houston Co. Timber Co. -A- O-10-21288 | Last Mile Production, LLC only | Sun Valley (Tubb, Lower) | Pecos | 15 | 134K | 141K | by Jan 1993 – Mar 2024 |
| Slataper-Peterson Unit O-3-10732 | Cross Timbers Operating Company only | Hastings, S.e.(f-45 Seg-A-) | Galveston | 1 | 95.2K | 139K | by Jan 1993 – Oct 1996 |
| K. C. R. Timberland Ltd O-6-14736 | BKM Production only | Pleasant Grove | Rusk | 1 | 94.8K | 0 | Feb 2008 – Aug 2026 |
| Timberwolf Unit O-3-23396 | Magnolia Oil & Gas Operating LLC only | Giddings (Buda) | Robertson | 1 | 78.3K | 43.4K | Nov 1997 – Jun 2023 |
| Cloud, Sallie E. -A- O-8-8286 | Cross Timbers Operating Company only | Herrin (Burson Sand, Upper) | Haskell | 6 | 77.4K | 31 | by Jan 1993 – Jul 1995 |
| Timberstar Texarkana O-6-15239 | Machin & Associates, Inc. only | Iron Lake | Cass | 1 | 56.8K | 0 | Sep 2013 – Jul 2026 |
| Timber Creek Unit O-13-17088 | Brammer Petroleum, Inc. only | Timber Creek (Bruhlmeyer, Upper) | Cooke | 5 | 56.7K | 32 | by Jan 1993 – Aug 2026 |
| Timber -B- O-10-30024 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 56.7K | 93.1K | by Jan 1993 – Dec 2020 |
| Zeba O-10-24924 | Floyd, Timber Inc. only | Spraberry (Trend Area) | Midland | 2 | 51.7K | 88.8K | by Jan 1993 – Feb 2020 |
| Timberstar O-6-14697 | Buckhorn Operating LLC only | Angie,(pettet) | San Augustine | 1 | 43.3K | 483K | Aug 2007 – Aug 2025 |
| Delta Land and Timber O-3-3079 | Well-Co Solutions, LLC only | Mercy, West | San Jacinto | 1 | 38K | 5.06K | by Jan 1993 – Jul 2026 |
| University "9"AB O-10-7041 | Cross Timbers Operating Company only | University Block 9 (Devonian) | Andrews | 1 | 33.7K | 15K | by Jan 1993 – Oct 1998 |
| Connell, W. E. NCT-1 O-10-38815 | Cross Timbers Energy, LLC only | Jordan (Fusselman) | Ector | 1 | 30.3K | 77.5K | Jun 2007 – Aug 2014 |
| Cleveland, Wayne et al "C" O-14-3831 | Mmgl Txph, LLC only | Big Timber Creek (Douglas) | Hemphill | 3 | 29.9K | 900K | by Jan 1993 – Aug 2026 |
| KCR Timberland Ltd., et Al O-6-14817 | Machin & Associates, Inc. only | Pleasant Grove | Rusk | 1 | 28.4K | 0 | Sep 2008 – Oct 2013 |
| Big Lake Unit O-9-4745 | Floyd, Timber Inc. only | John Scott (Grayburg) | Reagan | 1 | 26.8K | 90 | by Jan 1993 – Oct 2016 |
| Timberstar-Davis (Pettet) 2 O-6-14964 | Merit Energy Company only | Angie,(pettet) | San Augustine | 1 | 26.8K | 245K | Apr 2010 – Jan 2021 |
| Timber Creek Unit O-13-13202 | Brammer Petroleum, Inc. only | Timber Creek (3040) | Cooke | 4 | 26.1K | 32 | by Jan 1993 – Aug 2026 |
| Timber Creek Unit O-13-17087 | Brammer Petroleum, Inc. only | Timber Creek (Bruhlmeyer, Lo.) | Cooke | 8 | 25.2K | 32 | by Jan 1993 – Aug 2026 |
| Adirondack Timber O-3-25366 | Prime Operating Company only | Devils Pocket (Lower Wilcox) | Newton | 1 | 24.8K | 13.5K | Apr 2009 – Nov 2018 |
| Julia O-10-24479 | Floyd, Timber Inc. only | Spraberry (Trend Area) | Midland | 1 | 21.8K | 30.4K | by Jan 1993 – Mar 2015 |
| Connell, W. E. NCT-3 O-10-3099 | Cross Timbers Energy, LLC only | Jordan (Fusselman) | Ector | 4 | 20.5K | 30.7K | by Jan 1993 – Apr 2007 |
| Connell Heirs O-10-55652 | Cross Timbers Energy, LLC only | Jordan, S. (Devonian) | Ector | 1 | 18.4K | 5.71K | Mar 2021 – Jul 2022 |
| Timber Creek Unit O-13-17089 | Brammer Petroleum, Inc. only | Timber Creek (2070 Strawn) | Cooke | 6 | 15.5K | 32 | by Jan 1993 – Aug 2026 |
| Knox, M. L. O-6-13606 | Cross Timbers Operating Company only | Whelan (Travis Peak Prorated) | Harrison | 1 | 14.5K | 256K | Jun 1996 – Jan 2000 |
| State Houston Co. Timber Co. -E- O-10-22865 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 4 | 12.3K | 60.4K | by Jan 1993 – Mar 2011 |
| Timberwolf UL O-10-45694 | Chandler Oil & Gas, LLC only | Wolfbone (Trend Area) | Pecos | 1 | 12.2K | 23K | Oct 2014 – Mar 2021 |
| Connell Heirs O-10-56376 | Cross Timbers Energy, LLC only | Jordan (Wichita Albany) | Ector | 1 | 11.4K | 8.88K | Sep 2021 – Mar 2022 |
| Timber State -C- O-10-22525 | Sandridge Energy, Inc. only | Sun Valley, N. (Tubb, Lower) | Pecos | 2 | 11.3K | 7.93K | by Jan 1993 – Sep 2002 |
| Lewis, J. H. -B- O-5-3458 | Cross Timbers Operating Company only | Opelika (Travis Peak) | Henderson | 1 | 11K | 192K | May 1993 – Apr 2000 |
| Timbervest O-6-15984 | Rose City Resources, LLC only | Hidden Rock (Cotton Valley Lime) | Cass | 1 | 10.6K | 0 | May 2023 – Aug 2026 |
| State-Wolters O-9-4746 | Floyd, Timber Inc. only | John Scott (Grayburg) | Reagan | 1 | 8.89K | 96 | by Jan 1993 – May 2016 |
| Oates, O. E. O-8-8268 | Cross Timbers Operating Company only | Herrin (Burson Sand, Upper) | Haskell | 3 | 8.66K | 31 | by Jan 1993 – Jul 1995 |
| Timberstar-Hodges Gas Unit 1 O-6-14802 | Merit Energy Company only | Stockman, South (Pettit) | San Augustine | 3 | 8.16K | 18.7K | May 2008 – Feb 2009 |
| Lewis, J.H. "B-6" O-5-3491 | Cross Timbers Operating Company only | Opelika (Travis Peak) | Henderson | 1 | 8.06K | 123K | Mar 1994 – Apr 2000 |
| Shaller, Frank J. O-14-4949 | BP America Production Company only | Big Timber Creek (Douglas) | Hemphill | 2 | 8.05K | 280K | by Jan 1993 – May 2014 |
| Bailey O-8-26934 | Cross Timbers Operating Company only | Herrin (Burson Sand, Upper) | Haskell | 1 | 8.03K | 25 | Jul 1993 – Jul 1995 |
| Connell Estate C O-10-55838 | Cross Timbers Energy, LLC only | Jordan, S. (Devonian) | Ector | 1 | 7.05K | 12.5K | Mar 2021 – Mar 2022 |
| Timber State O-10-22068 | Sheridan Production Company, LLC only | Sun Valley, N. (Tubb, Lower) | Pecos | 3 | 6.16K | 3.14K | by Jan 1993 – Mar 2014 |
| Connell, Heirs O-10-55146 | Cross Timbers Energy, LLC only | Jordan, S. (Devonian) | Ector | 1 | 5.76K | 1.75K | Nov 2020 – Sep 2021 |
| State-Houston Co. Timber Co. -B- O-10-21401 | Sandridge Expl. and Prod., LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 1 | 5.13K | 64 | by Jan 1993 – Feb 2006 |
| Gracie 117 O-14-6784 | Newton Corp.,the only | Big Timber Creek (Douglas) | Hemphill | 1 | 4.45K | 66.6K | by Jan 1993 – Mar 1998 |
| State Houston Co. Timber Co. -E- O-10-23216 | Last Mile Production, LLC only | Brooklaw, South (Tubb) | Pecos | 2 | 3.86K | 1.44K | by Jan 1993 – Feb 2002 |
| Killebrew,walter S. et Al O-14-5130 | BP America Production Company only | Big Timber Creek (Douglas) | Hemphill | 1 | 3.78K | 103K | by Jan 1993 – May 2000 |
| Killebrew, Walter S. Etal -A- O-14-4123 | Crescendo Resources, L.P. only | Big Timber Creek (Douglas) | Hemphill | 1 | 3.14K | 43.6K | by Jan 1993 – Jun 1999 |
| Timber Creek Unit O-13-17547 | Brammer Petroleum, Inc. only | Timber Creek (1860) | Cooke | 1 | 3.11K | 32 | by Jan 1993 – Jul 2026 |