| Geraci O-1-13045 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 180K | 11.9K | by Jan 1993 – Jun 2026 |
| A.D.D. Corporation O-1-6857 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 173K | 52.9K | by Jan 1993 – Apr 2026 |
| Schiffers O-1-14383 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 5 | 137K | 39.4K | Oct 2001 – Jul 2026 |
| LVF Schiffers O-1-11969 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 5 | 125K | 17.2K | by Jan 1993 – Jul 2026 |
| Jendrzey Unit O-1-15798 | Los Hijos de Sanchez J LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 124K | 70.5K | Oct 2010 – Aug 2024 |
| Gawlik B O-1-20165 | Warwick-Artemis, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 107K | 61.2K | Mar 2020 – Aug 2025 |
| Johnson O-1-14258 | Bayshore Operating Corp., L.L.C. only | Marcelina Creek (Buda) | Wilson | 3 | 104K | 30.5K | Jun 1999 – Aug 2017 |
| Johnson O-1-18780 | Hominy Consulting, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 5 | 98.8K | 0 | Feb 2016 – Aug 2026 |
| Ocker, D.A. & R.L O-1-7047 | Baylor Operating, LLC only | Marcelina Creek (Buda) | Wilson | 2 | 84K | 72.4K | by Jan 1993 – Jan 2023 |
| Pena O-1-13153 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 81.6K | 34 | by Jan 1993 – Sep 2021 |
| Elijah O-1-12131 | G & K Operating, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 80.2K | 193 | by Jan 1993 – Jan 2009 |
| Boldt, Angelina O-1-966 | Production Resources, Inc. only | Linne (Poth -a- Sand) | Wilson | 7 | 77.8K | 30 | by Jan 1993 – Aug 2026 |
| Kotara D - Kolenda B 2 O-1-20164 | Warwick-Artemis, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 77.4K | 29.9K | Mar 2020 – Aug 2026 |
| Betty Gene Pawelek O-1-19964 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 74K | 26K | Oct 2019 – Jul 2026 |
| Schraer Unit O-1-12878 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 73.2K | 33 | Feb 1993 – Mar 2013 |
| Lyssy-Deering O-1-18228 | Chandler Oil & Gas, LLC only | Marcelina Creek (Buda) | Wilson | 2 | 68.8K | 0 | Oct 2013 – Jul 2014 |
| Wiatrek O-1-13308 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 56.9K | 14K | by Jan 1993 – Feb 2013 |
| Thoms O-1-12441 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 3 | 55K | 43.4K | by Jan 1993 – Mar 2013 |
| Dzuik, Charles O-1-8231 | Sarita Energy Resources, Ltd. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 50.4K | 8.04K | by Jan 1993 – Nov 2020 |
| Fee O-1-14092 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 4 | 50.1K | 14.8K | Mar 1997 – Dec 2025 |
| Johnson Unit O-1-8823 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 47K | 9.98K | by Jan 1993 – Jul 2026 |
| Labus O-1-10634 | Virtex Operating Company, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 42.6K | 319 | by Jan 1993 – Dec 2017 |
| Trappe O-1-9692 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 41K | 12.2K | by Jan 1993 – Jul 2026 |
| Svoboda O-1-12328 | Roma Oil and Gas, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 40.7K | 25 | by Jan 1993 – Dec 2000 |
| Laskowski O-1-14156 | Global XRC Corp only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 40.5K | 13K | Jan 1998 – Aug 2016 |
| Pfeil Unit O-1-18779 | Everest Resource Company only | Marcelina Creek (Buda) | Wilson | 1 | 39.1K | 0 | Nov 2013 – Oct 2019 |
| Kneupper, Ottwin O-1-7389 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 37K | 8.51K | by Jan 1993 – Jun 2026 |
| Jimmy-Frank Unit O-1-13750 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 35.6K | 3.99K | Jun 1993 – Jan 1999 |
| Ocker D.A. & R.L. O-1-7602 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 32.8K | 24.7K | by Jan 1993 – Mar 2016 |
| Jaskinia, Fred O-1-9182 | Aaronmark Services, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 31.7K | 21 | by Jan 1993 – Jul 2026 |
| Kollodziej O-1-7824 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 30.8K | 293 | by Jan 1993 – Oct 2017 |
| Eschenburg O-1-14233 | Cei Operating LLC only | Marcelina Creek (Buda) | Wilson | 3 | 30.8K | 192 | Nov 1998 – Apr 2011 |
| Labus Unit O-1-9919 | Oilstone Operating, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 30K | 19 | by Jan 1993 – May 2010 |
| Trappe -A- O-1-10112 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 28.6K | 8.19K | Feb 2006 – Oct 2011 |
| Pawelek O-1-14785 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 27K | 7.97K | Jul 2006 – Jul 2026 |
| Chandler A O-1-17487 | Warwick-Artemis, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 23.9K | 12.2K | Sep 2013 – Apr 2022 |
| Reinhard Unit O-1-13684 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 2 | 23.5K | 5.17K | Feb 1993 – Sep 2000 |
| Copeland O-1-13599 | Stratco Operating Co., Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 22.8K | 67 | by Jan 1993 – Dec 2000 |
| Szalwinski Unit O-1-7028 | Recoil Resources Operating, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 22.8K | 21 | by Jan 1993 – Feb 2017 |
| Byrd, K.W. O-1-10561 | Enr Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 20.2K | 163 | by Jan 1993 – Mar 2020 |
| Hoefelmeyer O-1-12986 | Xeric Oil & Gas Corporation only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 18.4K | 34 | by Jan 1993 – Feb 2001 |
| Pawelek Unit O-1-14197 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 18.2K | 6.4K | Mar 1998 – Nov 2009 |
| Frank, Jimmy O-1-14253 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 17.2K | 6.27K | Apr 1999 – Mar 2001 |
| Schiffers Ranch O-1-12316 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 6 | 16.9K | 3.99K | by Jan 1993 – Nov 1999 |
| Nehemiah O-1-12092 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 16.2K | 108 | by Jan 1993 – Jan 2001 |
| GCW A O-1-18678 | Kaler Energy Corp. only | Marcelina Creek (Buda) | Wilson | 1 | 16.2K | 0 | Sep 2014 – Jan 2015 |
| Bluebonnet O-1-10709 | Schroeder Oil Properties only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 15.7K | 85 | Jul 1993 – Jun 2016 |
| Eschenburg, et al Unit O-1-13569 | Aerie Energy only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 15.5K | 2.46K | by Jan 1993 – Dec 1996 |
| Hosek O-1-10320 | Texas Land Operating, LLC only | Marcelina Creek (Buda) | Wilson | 2 | 14.5K | 8.68K | Feb 1993 – Nov 2008 |
| Fee "A" O-1-13218 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 13.1K | 3.8K | by Jan 1993 – Feb 1997 |