| Santa FE 1002 O-14-8860 | Highmark Energy Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 2 | 265K | 669K | Feb 2013 – Aug 2026 |
| Beaurline, A. W. G-4-164781 | Merit Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 263K | 9.96M | Jul 1997 – May 2017 |
| Jr. Allen OL G-3-149216 | Chesapeake Operating, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 263K | 1.61M | Feb 1994 – Feb 2001 |
| Allen 55-2-44 Lov Unit G-10-290017 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 261K | 935K | May 2015 – Aug 2026 |
| McAllen, A. A. G-4-181160 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 260K | 8.25M | Dec 2000 – Aug 2026 |
| Ruth Hudson O-11-69338 | Capturepoint LLC only | George Allen (San Andres) | Gaines | 9 | 257K | 232K | Nov 2008 – Aug 2026 |
| O'Dell 60 O-14-9449 | Presidio Petroleum LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 256K | 310K | Mar 2015 – Aug 2026 |
| Ballenger O-10-40295 | Apache Corporation only | Jailhouse (Fusselman) | Glasscock | 5 | 254K | 735K | Aug 2010 – Aug 2026 |
| McAllen, A. A. "B" G-4-231958 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 253K | 5.52M | Sep 2007 – Aug 2026 |
| Stone-Mason 935 O-14-8693 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 3 | 251K | 1.19M | Aug 2012 – Aug 2026 |
| Guerra, A. E. G-4-145946 | Texaco E & P Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 248K | 21.8M | Mar 1993 – Oct 1999 |
| Henry L. Allen Unit O-3-22231 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk-3) | Brazos | 1 | 248K | 1.11M | Oct 1993 – May 2008 |
| McAllen, A. A. "B" G-4-185731 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 247K | 4.27M | Oct 2001 – Aug 2026 |
| Burditt, Allen L. O-2-792 | Abaco Operating, LLC only | La Ward, North | Jackson | 4 | 245K | 30.4K | by Jan 1993 – Aug 2026 |
| Ortha Jones 41 O-14-9560 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 2 | 245K | 522K | Nov 2017 – Aug 2026 |
| Guerra, A. E. G-4-223211 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 242K | 22.5M | Sep 2006 – Jun 2016 |
| Allen Unit O-1-17714 | Murphy Expl. & Prod. Co. - USA only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 237K | 307K | Jun 2014 – Aug 2026 |
| Pshigoda "933" O-14-8151 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 3 | 236K | 1.24M | May 2010 – Aug 2026 |
| Hadwiger O-14-9382 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 236K | 905K | Jul 2014 – Aug 2026 |
| O. C. Rogers Conner 54 O-14-8964 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 2 | 236K | 424K | Nov 2013 – Aug 2026 |
| McAllen, A. A. 'B' G-4-138997 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 235K | 4.81M | by Jan 1993 – Aug 2026 |
| Beaurline, A. W. G-4-163926 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 233K | 10.1M | Apr 1997 – Sep 2001 |
| Pshigoda 16 O-14-9636 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 233K | 415K | May 2018 – Aug 2026 |
| McAllen, A. A. "B" G-4-186875 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 229K | 4.38M | Dec 2001 – Aug 2026 |
| CM Share Conner Unit 45 O-14-8958 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 227K | 470K | Jun 2013 – Aug 2026 |
| Black Stone-Allen A-1 G-3-231401 | Zarvona Energy LLC only | Double a Wells, N (Austin Chalk) | Polk | 1 | 226K | 1.09M | Oct 2006 – Aug 2026 |
| McAllen, A.A. "B" G-4-133221 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 226K | 9.98M | by Jan 1993 – Aug 2026 |
| McAllen Fieldwide Unit G-4-172983 | Shell Western E&P only | McAllen (Consolidated FB-B) | Hidalgo | 1 | 225K | 19.6M | Sep 1998 – Jan 2006 |
| Challenger State B O-10-58610 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 225K | 412K | May 2022 – Aug 2026 |
| Beaurline, A. W. G-4-165269 | Merit Energy Company only | McAllen Ranch (Vicksburg S, E.) | Hidalgo | 1 | 222K | 2.74M | Aug 1997 – Aug 2026 |
| Courson Key 35 O-14-9587 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 2 | 221K | 500K | Jan 2018 – Aug 2026 |
| Guerra, A. E. G-4-227039 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 220K | 23M | Mar 2007 – Mar 2016 |
| Black Stone 68 O-14-9572 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 2 | 220K | 1.75M | Jan 2018 – Aug 2026 |
| Dougherty - Challenger A O-2-12542 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 219K | 240K | Jan 2023 – Aug 2026 |
| White 57 O-14-9639 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 2 | 218K | 1.03M | Jun 2018 – Aug 2026 |
| North Allen Dim O-1-19552 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 217K | 617K | Oct 2018 – Aug 2026 |
| Guerra, A. E. G-4-137492 | Chevron U. S. A. Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 216K | 21.5M | by Jan 1993 – Apr 2002 |
| Schoenhals "937" O-14-8154 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 3 | 216K | 1.17M | Apr 2010 – Aug 2026 |
| Doores Unit O-14-9383 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 3 | 214K | 562K | Oct 2014 – Aug 2026 |
| McAllen, A.A. "B" G-4-145438 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 214K | 4.37M | May 1993 – Aug 2026 |
| S.mcfarland-Challenger C SA O-2-11657 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 213K | 212K | Feb 2019 – Aug 2026 |
| Spohn Foundation G-3-280236 | Magnum Producing, LP only | Allen Dome (10,800) | Brazoria | 1 | 212K | 3.96M | Jun 2015 – Dec 2021 |
| Woods Christian G-4-143961 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 212K | 8.26M | by Jan 1993 – Aug 2026 |
| Allen 55-2-44 Lov Unit E G-10-287560 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 211K | 1.01M | Aug 2016 – May 2026 |
| Ballentine Corp. O-14-8442 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 4 | 208K | 1.35M | Jul 2011 – Aug 2026 |
| McAllen, A.A. G-4-148852 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 205K | 8.73M | Mar 1994 – Jan 2022 |
| Kemp & Allen -A- O-13-5923 | R2Q Operating LLC only | K-M-A | Wichita | 8 | 200K | 21 | by Jan 1993 – Aug 2026 |
| Courson Eldon 747 O-14-9694 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 1 | 200K | 981K | Apr 2019 – Aug 2026 |
| Paul-Brillhart 105 O-14-9669 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 198K | 255K | Oct 2018 – Aug 2026 |
| Williams, Joseph G. O-10-28664 | Stetson Petroleum Corp. only | Yarbrough & Allen (Wolfcamp) | Ector | 2 | 198K | 40.3K | by Jan 1993 – Jul 2026 |