| Jones Creek Unit O-3-26448 | Mueller Exploration, Inc. only | Pickett Ridge, N. (Yegua DY) | Wharton | 1 | 38.9K | 825K | Dec 2013 – Oct 2017 |
| Mueller, Lorenz et al Unit G-3-100024 | Young, John H., Inc. only | Giddings (Edwards, Gas) | Fayette | 1 | 37.2K | 2.08M | by Jan 1993 – Aug 2025 |
| Mueller O-8-23959 | D.J. & T. Energy only | Glahn-Reese (King Sd.) | Haskell | 5 | 35.4K | 18 | by Jan 1993 – Aug 2004 |
| Corbin O-1-17525 | Mueller Exploration, Inc. only | Pearsall (Buda, S.) | Frio | 1 | 33K | 152K | Jul 2012 – Oct 2015 |
| Mueller Gas Unit G-2-161425 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 29.8K | 4.18M | Nov 1996 – Aug 2026 |
| Mueller G-2-230779 | Zone Ridge Operating, LLC only | Koerth (Wilcox 11150) | Lavaca | 1 | 29.7K | 1.64M | Oct 2007 – May 2022 |
| Mueller, A. O-3-27890 | Enhanced Energy Partners Corp only | Raccoon Bend (Mio X Y Z Cons) | Austin | 1 | 29.7K | 2.87K | Jan 2021 – Aug 2026 |
| Grossie O-1-16208 | Mueller Exploration, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 29.2K | 47.6K | May 2011 – Apr 2014 |
| Curtis Foester O-2-9391 | Mueller Exploration, Inc. only | Magnolia Beach (Melbourne) | Calhoun | 1 | 28.5K | 34.6K | Jan 2010 – Aug 2026 |
| Mueller Gas Unit G-2-164428 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 24.7K | 4.12M | Jul 1997 – Aug 2026 |
| Garcia Heirs G-4-262319 | Mueller Exploration, Inc. only | La Coyota (Queen City) | Starr | 1 | 21.6K | 2.07M | Jul 2011 – Aug 2026 |
| Mueller G-3-207013 | CML Exploration, LLC only | Rosenberg, W. (LWR Cook MTN) | Fort Bend | 1 | 21.1K | 1.73M | Nov 2004 – Apr 2024 |
| Mueller, A. W. Heirs G-2-175302 | Texas Independent Explor Ltd. only | Green Lake, West (8850) | Calhoun | 1 | 20.8K | 1.59M | Jul 1999 – Mar 2026 |
| Mueller G-2-242786 | Zone Ridge Operating, LLC only | Koerth (Wilcox 11150) | Lavaca | 1 | 19.4K | 1.33M | Sep 2008 – Dec 2024 |
| Beaurline. A. W. G-4-196242 | Mueller Exploration, Inc. only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 19K | 2.81M | Jun 2003 – Jun 2026 |
| Mueller-Korth Unit O-3-22269 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Lee | 1 | 18.7K | 105K | Nov 1993 – Jan 1994 |
| Mueller Gas Unit G-2-116315 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 18K | 2.2M | by Jan 1993 – Aug 2026 |
| Mueller O-10-26422 | Chandler Oil & Gas, LLC only | Grandma Benoit (Clear Fork, Lo.) | Pecos | 1 | 17.9K | 813 | by Jan 1993 – Jul 2023 |
| D. Bohot Unit O-2-8454 | Mueller Exploration, Inc. only | Joseph P. Mueller (Jules Y-3) | Lavaca | 1 | 16.9K | 7.93K | Mar 1999 – Mar 2000 |
| Greiner "a" NO.1 O-4-8079 | Mueller Engineering Corp. only | Rincon | Starr | 1 | 15.8K | 20 | by Jan 1993 – Apr 2001 |
| Mueller Gas Unit G-2-153703 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 15.7K | 1.92M | Mar 1995 – Aug 2026 |
| Lang O-1-17442 | Mueller Exploration, Inc. only | Pearsall (Buda, S.) | Zavala | 1 | 15.4K | 44.3K | Aug 2012 – Jul 2026 |
| Mueller, A O-3-28069 | Enhanced Energy Partners Corp only | Raccoon Bend (Wilson) | Austin | 1 | 15.3K | 0 | Aug 2023 – Aug 2026 |
| Mueller, A.W. Heirs G-2-138707 | Texas Independent Explor., Inc. only | Green Lake, W. (LF-10) | Calhoun | 1 | 14.8K | 981K | by Jan 1993 – Jun 1999 |
| Mueller-Davis Unit O-6-13354 | Diversified Production LLC only | Waskom (Travis Peak-Vonny) | Harrison | 2 | 14.1K | 262K | Sep 1994 – Sep 2016 |
| Mueller, Katey O-8-14729 | Bridwell Oil Co. only | Stephens County Regular | Stephens | 1 | 13.2K | 261K | by Jan 1993 – Jan 2007 |
| Mueller Gas Unit G-2-112256 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 13K | 1.64M | by Jan 1993 – Aug 2026 |
| Hill, James O-13-20577 | Walter H. Husfeld Oil Co LLC only | Richardson-Mueller (Caddo) | Montague | 1 | 12.7K | 24.5K | by Jan 1993 – Sep 2015 |
| Roth, Fred O-13-29540 | Walter H. Husfeld Oil Co LLC only | Richardson-Mueller (Caddo) | Montague | 2 | 12.1K | 82.7K | Jul 1998 – Mar 2024 |
| Beaurline, A. W. G-4-148695 | Mueller Exploration, Inc. only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 12K | 1.15M | Jan 1994 – Nov 2024 |
| Mueller O-8-20626 | Schetawee, Inc. only | Haskell County Regular | Haskell | 1 | 11.8K | 27 | by Jan 1993 – Mar 2002 |
| Beaurline, A. W. G-4-157387 | Mueller Exploration, Inc. only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 11.5K | 795K | Dec 1995 – Nov 2024 |
| Mueller, H. Unit O-2-3286 | First Rock, Inc. only | Person (Edwards) | Karnes | 1 | 10.5K | 34.7K | Feb 1993 – Sep 1998 |
| Richardson-Mueller (Caddo) Unit O-13-28681 | Petrocorp Incorporated,a Tx.corp only | Richardson-Mueller (Caddo) | Montague | 23 | 10.4K | 73.7K | Oct 1993 – Jun 1998 |
| JO Ann Mueller 01 G-2-268658 | Marathon Oil EF LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 10.3K | 1.23M | Jun 2012 – Aug 2026 |
| Mueller Unit G-8-174651 | Petex only | Olive Mae (Caddo) | Stephens | 1 | 10.2K | 902K | Aug 1999 – Aug 2026 |
| Tytex O-3-27619 | Mueller Exploration, Inc. only | Willow Slough,n.(nodosaria 9500) | Chambers | 1 | 9.34K | 44.3K | Oct 2018 – Jan 2020 |
| Mueller Farms O-8-31015 | Hofco, Inc. only | Jones County Regular | Jones | 3 | 9.11K | 0 | Jan 2012 – Aug 2019 |
| Stout O-1-17454 | Mueller Exploration, Inc. only | Pearsall (Buda, S.) | Frio | 1 | 9.01K | 117K | Nov 2012 – Jul 2015 |
| V. L. Puig Gas Unit 2 G-4-156135 | Mueller Engineering Corp. only | Muy Malo (4TH Hinnant) | Webb | 1 | 8.97K | 504K | Sep 1995 – Sep 2000 |
| Wilhite O-13-29553 | Great American Resources Inc. only | Richardson-Mueller (Caddo) | Montague | 1 | 8.52K | 0 | Jul 1998 – Nov 2019 |
| Mueller, E. H. "B" O-8-19740 | Borden, Roland Inc. only | J J J (King Sd.) | Haskell | 4 | 8.5K | 26 | by Jan 1993 – Dec 2007 |
| Hibbert "2254" O-8-27644 | McClymond, Inc. only | Mueller (Caddo 3280) | Stephens | 1 | 8.15K | 35.1K | Aug 1995 – Mar 2000 |
| Shay, Mary A. O-2-5094 | Mueller Engineering Corp. only | Phil Power (5200-B) | Refugio | 1 | 7.53K | 39 | by Jan 1993 – Oct 1993 |
| BP America Production Co. G-3-264529 | Mueller Exploration, Inc. only | Sour Lake, E. (Yegua, Lower) | Hardin | 1 | 7.05K | 159K | Apr 2012 – Mar 2016 |
| Mueller Unit O-2-8566 | First Rock, Inc. only | Falls City (Austin Chalk) | Karnes | 1 | 6.4K | 4.96K | Oct 2000 – Apr 2017 |
| Mueller, Henry O-4-3708 | Bettis, Boyle & Stovall only | Quinto Creek (5700) | Jim Wells | 1 | 6.15K | 18 | by Jan 1993 – Mar 1995 |
| Putnam-Lange G-3-211114 | Mueller Exploration, Inc. only | Porter's Creek (Yegua) | Wharton | 1 | 4.85K | 144K | May 2005 – May 2012 |
| Curtis Foester G-2-250710 | Mueller Exploration, Inc. only | Magnolia Beach (8700) | Calhoun | 1 | 4.7K | 115K | Jul 2009 – Feb 2017 |
| Rally O-1-15359 | Mueller Exploration, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 4.27K | 39.4K | Jun 2011 – Dec 2014 |