| Geraci O-1-13045 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 180K | 11.9K | Jan 1993 – Aug 2025 |
| A.D.D. Corporation O-1-6857 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 173K | 52.9K | Jan 1993 – Apr 2026 |
| Schiffers O-1-14383 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 5 | 134K | 38.6K | Oct 2001 – Apr 2026 |
| Jendrzey Unit O-1-15798 | Westoil LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 124K | 70.5K | Oct 2010 – Aug 2024 |
| LVF Schiffers O-1-11969 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 5 | 121K | 16.1K | Jan 1993 – Apr 2026 |
| Gawlik B O-1-20165 | Warwick-Artemis, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 107K | 61.2K | Mar 2020 – Aug 2025 |
| Pena O-1-13153 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 81.6K | 34 | Jan 1993 – Sep 2021 |
| Kotara D - Kolenda B 2 O-1-20164 | Warwick-Artemis, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 75.7K | 29.1K | Mar 2020 – Jul 2025 |
| Johnson O-1-18780 | Hominy Consulting, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 75.3K | 0 | Feb 2016 – Apr 2026 |
| Betty Gene Pawelek O-1-19964 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 73.6K | 25.9K | Oct 2019 – Apr 2026 |
| Schraer Unit O-1-12878 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 73.2K | 33 | Feb 1993 – Mar 2013 |
| Wiatrek O-1-13308 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 56.9K | 14K | Jan 1993 – Feb 2013 |
| Dzuik, Charles O-1-8231 | Sarita Energy Resources, Ltd. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 50.4K | 8.04K | 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 | 46.8K | 9.92K | Jan 1993 – Apr 2026 |
| Labus O-1-10634 | Virtex Operating Company, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 42.6K | 319 | Jan 1993 – Dec 2017 |
| Trappe O-1-9692 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 40.6K | 12.1K | Jan 1993 – Apr 2026 |
| Laskowski O-1-14156 | Global XRC Corp only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 40.5K | 13K | Jan 1998 – Aug 2016 |
| Kneupper, Ottwin O-1-7389 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 36.9K | 8.5K | Jan 1993 – Mar 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 | Jan 1993 – Mar 2016 |
| Kollodziej O-1-7824 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 30.8K | 293 | Jan 1993 – Oct 2017 |
| 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 | 26.7K | 7.88K | Jul 2006 – Apr 2026 |
| Copeland O-1-13599 | Stratco Operating Co., Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 22.8K | 67 | Jan 1993 – Dec 2000 |
| Szalwinski Unit O-1-7028 | Recoil Resources Operating, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 22.8K | 21 | Jan 1993 – Feb 2017 |
| Byrd, K.W. O-1-10561 | Enr Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 20.2K | 163 | Jan 1993 – Mar 2020 |
| Hoefelmeyer O-1-12986 | Xeric Oil & Gas Corporation only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 18.4K | 34 | 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 |
| 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 | Jan 1993 – Dec 1996 |
| Fee "A" O-1-13218 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 13.1K | 3.8K | Jan 1993 – Feb 1997 |
| Peacock O-1-12820 | Dewbre Petroleum Corporation only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 13K | 17 | Jan 1993 – Apr 1998 |
| Raabe O-1-13143 | Sedco Resources Inc only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 12.6K | 128 | Jan 1993 – Aug 2004 |
| Eschenburg, R.L. II O-1-12600 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 12K | 148 | May 1997 – Mar 2001 |
| Thoms O-1-14402 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 11.2K | 3.36K | Oct 2002 – May 2021 |
| Copeland, A. C. O-1-13367 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 10.7K | 11 | Jan 1993 – Dec 1993 |
| Reinhard Unit O-1-13873 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 9.3K | 20 | Jul 1994 – Mar 1999 |
| Schiffers Ranch O-1-13375 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 8.42K | 1.88K | Oct 1997 – Jun 1999 |
| Prosper Labus O-1-13643 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 8.38K | 151 | Jan 1993 – Aug 1998 |
| Schneider, Helen O-1-12025 | Texas, Les & Co. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 8.3K | 404 | Jul 1994 – Aug 2012 |
| Lyssy-Deering O-1-21183 | Chandler Oil & Gas, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 7.54K | 0 | Jun 2018 – Apr 2025 |
| Byrd 2-H O-1-12983 | Arriola Operating & Consltg Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 6.67K | 2.12K | Jan 1993 – May 2011 |
| Eschenburg, R.L. II et. Al. O-1-9175 | Cei Operating LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 4.85K | 94 | Jan 1993 – Dec 2014 |
| Copeland, A.C. Unit O-1-12395 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 4.29K | 33 | Jan 1993 – Aug 1997 |
| Stoeltje O-1-15196 | Cei Operating LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 4.15K | 0 | Aug 2010 – Oct 2014 |
| Poth Land & Cattle Co. O-1-7388 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.92K | 3 | Jan 1993 – Jan 1999 |
| Clanton Unit O-1-7533 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.88K | 81 | Jan 1993 – Mar 2000 |
| Bohach O-1-14203 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.88K | 871 | Dec 1997 – Sep 2000 |
| Thoms-Wilson O-1-14168 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 3.66K | 0 | Nov 1997 – Feb 1999 |