| Waller, C. J. Trust G-3-189033 | Hilcorp Energy Company only | Iowa Colony (9700 Vicksburg) | Brazoria | 1 | 611K | 10.5M | Apr 2002 – Feb 2013 |
| S. Wallis Unit A G-2-264987 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 281K | 956K | May 2012 – Aug 2016 |
| Borch-Wallis-Stein Ulw A G-2-289948 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 280K | 1.62M | Feb 2021 – Apr 2026 |
| S. Wallis Unit A G-2-270902 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 222K | 830K | Apr 2014 – May 2024 |
| Carr 14 G-14-278397 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 209K | 8.42M | Dec 2014 – Apr 2026 |
| S. Wallis Unit A G-2-270869 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 208K | 733K | Apr 2014 – May 2023 |
| Lott 1 G-14-261447 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 200K | 2.58M | Nov 2010 – Apr 2026 |
| Lohberger-Tipps 13 G-14-274387 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 184K | 6.11M | Jul 2013 – Apr 2026 |
| Treadwell 35 G-14-271830 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 183K | 8.47M | May 2013 – Apr 2026 |
| Brown 6 G-14-265220 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 179K | 4.43M | Dec 2010 – Apr 2026 |
| Dugat A-588 G-3-265768 | Dallas Petroleum Group, LLC only | Walla-Boyt (Frio Basal 8800) | Chambers | 1 | 169K | 1.94M | Nov 2011 – Apr 2020 |
| Walla Unit G-3-292347 | Geosouthern Operating II, LLC only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 168K | 1.9M | Dec 2021 – Apr 2026 |
| J. Wallis Unit A G-2-266268 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 161K | 1.49M | Jun 2012 – Apr 2026 |
| Lee-Hefley G-14-259513 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 150K | 2.73M | Jul 2010 – Apr 2026 |
| Meek 6814 XL G-14-285111 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 144K | 5.44M | Jun 2018 – Mar 2026 |
| Wall Gas Unit G-3-226540 | Wagner Oil Company only | Constitution (Westbury) | Jefferson | 1 | 133K | 184K | Dec 2006 – Jan 2023 |
| Meek 68 G-14-276662 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 128K | 9.89M | Nov 2014 – Apr 2026 |
| Lott 1 G-14-266498 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 124K | 1.06M | Aug 2011 – Apr 2026 |
| Buckthal G-14-265715 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 121K | 7.48M | Aug 2011 – Apr 2026 |
| Dixon 5554 XL G-14-281279 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 116K | 3.86M | Apr 2016 – Mar 2026 |
| Lohberger-Tipps 13 G-14-273854 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 115K | 3.31M | Sep 2013 – Apr 2026 |
| Blossman, et al Gas Unit G-4-193540 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 114K | 1.48M | Nov 2002 – Apr 2026 |
| Dixon 5554 CXL G-14-283045 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 113K | 5.74M | Mar 2017 – Mar 2026 |
| Meadows 1 SL G-14-267889 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 113K | 3.5M | Dec 2011 – Apr 2026 |
| Meadows-Clifford 31-30 ME EX G-14-284034 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 109K | 4.32M | Dec 2017 – Apr 2026 |
| J Wallis Unit A G-2-268792 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 107K | 1.02M | Feb 2013 – Apr 2026 |
| Treadwell 35 G-14-270588 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 107K | 3.94M | Jul 2013 – Apr 2026 |
| Meadows-Clifford 31-30 MD EX G-14-284212 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 104K | 10.5M | Nov 2017 – Apr 2026 |
| Thomas Meek 76 G-14-267218 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 100K | 7.03M | Sep 2011 – Apr 2026 |
| Brown 6 G-14-258817 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 98.2K | 2.68M | Aug 2010 – Apr 2026 |
| Smith G-14-280462 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 98K | 4.69M | Oct 2015 – Apr 2026 |
| Treadwell 35 G-14-272242 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 97K | 5.17M | May 2013 – Apr 2026 |
| Wallace, J GU G-6-278358 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 95.9K | 4.66M | Jul 2015 – Apr 2026 |
| Hunter-Hefley 34 G-14-276283 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 93.6K | 6.94M | Apr 2013 – Apr 2026 |
| Meadows 31 G-14-276113 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 92.9K | 3.94M | Jun 2014 – Apr 2026 |
| Hefley-Fillingim 39-40 MD CX G-14-290828 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 89.9K | 4.69M | Oct 2020 – Apr 2026 |
| Francis 5713 WXL G-14-285268 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 89K | 1.99M | Jul 2018 – Mar 2026 |
| Meek 68 G-14-272896 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 86.6K | 3.29M | Nov 2013 – Apr 2026 |
| Francis 5859 WXL G-14-284129 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 86.4K | 2.94M | Feb 2018 – Mar 2026 |
| Carr 1357 EXL G-14-283041 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 85.2K | 4.17M | Jul 2017 – Mar 2026 |
| Big Country G-14-296778 | Validus Energy II Midcon LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 83.6K | 1.28M | Feb 2023 – Apr 2026 |
| Lohberger 25 G-14-271399 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 83.6K | 3.85M | Apr 2013 – Apr 2026 |
| Wallace, J GU G-6-278357 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 83K | 2.54M | Jul 2015 – Apr 2026 |
| Hefley 36 G-14-267853 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 81.4K | 4.84M | Nov 2011 – Apr 2026 |
| Zybach 14 G-14-269600 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 79.6K | 2.19M | May 2013 – Apr 2026 |
| Lott 17-16-1H G-14-295797 | Validus Energy II Midcon LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 79.6K | 2.9M | Sep 2023 – Apr 2026 |
| Wallin, H. C. G-10-179261 | Pioneer Natural Res. USA, Inc. only | Dora Roberts (Devonian) | Midland | 1 | 77.3K | 2.28M | Aug 2000 – Apr 2026 |
| Johnson 27 G-14-276270 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 76.3K | 3.03M | Feb 2014 – Apr 2026 |
| Carr 1312 EXL G-14-285463 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 76.1K | 3.06M | Apr 2018 – Mar 2026 |
| Bach 12 G-14-272714 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 72.8K | 1.36M | Apr 2014 – Apr 2026 |