| WL Weller 22-21S Unit G-10-288257 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 348K | 1.92M | May 2019 – Nov 2025 |
| Mueller 18A-Frisbie B SA 1 G-2-296438 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 345K | 1.21M | Oct 2021 – Apr 2026 |
| H. Mueller 18A G-2-282071 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 342K | 1.26M | Jul 2012 – Jan 2023 |
| H. Mueller 18A G-2-297598 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 322K | 891K | Feb 2025 – Apr 2026 |
| H. Mueller 18A G-2-298096 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 302K | 1.25M | Feb 2025 – Apr 2026 |
| H. Mueller 18A G-2-297594 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 279K | 1.05M | Feb 2025 – Apr 2026 |
| H. Mueller 18A G-2-281905 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 204K | 787K | May 2014 – Mar 2025 |
| Kolo-Neller_rhodes Trust (SA) B2 G-2-284426 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 183K | 2.47M | Feb 2018 – Apr 2026 |
| Mueller-Korth Unit G-3-148108 | Union Pacific Resources Company only | Giddings (Austin Chalk, Gas) | Lee | 1 | 155K | 751K | Jan 1994 – Aug 1999 |
| Neller-Elizondo-Runge 2 (SA) D4 G-2-288621 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 147K | 1.13M | Nov 2019 – Apr 2026 |
| Kolo-Neller-Rhodes Trust (SA) B3 G-2-284344 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 132K | 1.95M | Feb 2018 – Apr 2026 |
| Neller-Rhodes Trust (SA) G-2-273126 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 126K | 1.48M | Sep 2013 – Apr 2026 |
| RT-Neller-Kolo (SA) D6 G-2-295956 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 119K | 955K | Jul 2024 – Apr 2026 |
| Kolo-Neller-Rhodes Trust G-2-280935 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 116K | 1.18M | Jun 2016 – Mar 2025 |
| Kolo-Neller-Rhodes Trust G-2-280936 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 109K | 1.24M | Jun 2016 – Apr 2026 |
| Neller Gas Unit 1 G-2-271164 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 105K | 1.08M | Sep 2013 – Apr 2026 |
| Mercy Gas Unit G-3-172018 | Mueller Exploration, Inc. only | Mercy (10400 Wilcox) | San Jacinto | 1 | 102K | 1.2M | Jan 1999 – Apr 2026 |
| Neller Gas Unit 1 G-2-281754 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 96.4K | 1.2M | Oct 2016 – Apr 2026 |
| Neller Gas Unit 1 G-2-281532 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 94.2K | 750K | Oct 2016 – Apr 2026 |
| Kolo-Neller-Rhodes Trust G-2-280934 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 93.4K | 950K | Jun 2016 – Sep 2024 |
| Mueller Family 01 G-2-265507 | Marathon Oil EF LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 88.7K | 1.91M | May 2011 – Apr 2026 |
| Neller Gas Unit 1 G-2-281507 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 85.9K | 1.1M | Oct 2016 – Apr 2026 |
| Neller-Elizondo (SA) D3 G-2-284566 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 81.2K | 1.16M | Aug 2017 – May 2020 |
| Neller Gas Unit 1 G-2-283728 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 80.8K | 1.12M | Aug 2017 – Apr 2026 |
| Neller-Runge 2 (SA) D6 G-2-288458 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 77.8K | 1.18M | Nov 2019 – Apr 2026 |
| Neller-Runge 1-Runge 2 (SA) D7 G-2-288561 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 76K | 1.03M | Nov 2019 – Apr 2026 |
| Neller-Elizondo-Runge 2 (SA) D5 G-2-288810 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 74.1K | 1.12M | Nov 2019 – Mar 2024 |
| Hilbrich-Sellers G-2-192220 | Traton Operating Company only | Caliente (10,600) | Karnes | 1 | 73.3K | 3.7M | Jun 2002 – Sep 2009 |
| Neller-Elizondo (SA) D2 G-2-284523 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 67.2K | 1.11M | Aug 2017 – Aug 2023 |
| Mueller 01 G-2-265662 | Marathon Oil EF LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 51.6K | 1.19M | Jun 2011 – Apr 2026 |
| Arco Fee Ellery G-3-131617 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 50.9K | 218K | Jan 1993 – Apr 2005 |
| Arco Fee Ellery G-3-129902 | Goldking Onshore Operating, LLC only | Buna, West (Wilcox) | Hardin | 1 | 49.9K | 157K | Jan 1993 – May 2009 |
| Northington Unit 2 G-3-281682 | Mueller Exploration, Inc. only | Northington Lake (Wilcox) | Wharton | 1 | 49.6K | 1.68M | Apr 2016 – Apr 2026 |
| Garcia Heirs G-4-255541 | Mueller Exploration, Inc. only | La Coyota (Queen City) | Starr | 1 | 45.3K | 4.73M | Jan 2010 – Apr 2026 |
| Mueller, Lorenz et al Unit G-3-100024 | Young, John H., Inc. only | Giddings (Edwards, Gas) | Fayette | 1 | 37.2K | 2.08M | Jan 1993 – Aug 2025 |
| Hilbrich-Sellers Gas Unit G-2-202655 | Traton Operating Company only | Caliente (11,600) | Karnes | 1 | 33.1K | 2.84M | Mar 2004 – Jun 2010 |
| Cole G-2-184504 | Sue-Ann Operating, L.C. only | Kellers Creek, S. (8100) | Calhoun | 1 | 32.5K | 1.43M | Jun 2001 – May 2006 |
| Mueller Gas Unit G-2-161425 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 29.8K | 4.17M | Nov 1996 – Apr 2026 |
| Mueller G-2-230779 | Zone Ridge Operating, LLC only | Koerth (Wilcox 11150) | Lavaca | 1 | 29.7K | 1.64M | Oct 2007 – May 2022 |
| Hilbrich-Sellers Gas Unit No. 2 G-2-188384 | Traton Operating Company only | Caliente (11,600) | Karnes | 1 | 26.1K | 3.5M | Nov 2001 – Jun 2010 |
| Keller G-2-217085 | Vision Oil and Gas LLC only | Cannan, E. (10300 Wilcox) | Bee | 1 | 25.5K | 1.23M | Nov 2005 – Aug 2022 |
| Mueller Gas Unit G-2-164428 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 24.7K | 4.1M | Jul 1997 – Apr 2026 |
| Garcia Heirs G-4-262319 | Mueller Exploration, Inc. only | La Coyota (Queen City) | Starr | 1 | 21.6K | 2.06M | Jul 2011 – Apr 2026 |
| Mueller G-3-207013 | CML Exploration, LLC only | Rosenberg, W. (LWR Cook MTN) | Fort Bend | 1 | 21.2K | 1.73M | Nov 2004 – May 2025 |
| 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 – Apr 2026 |
| Mueller Gas Unit G-2-116315 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 18K | 2.2M | Jan 1993 – Apr 2026 |
| Mueller Gas Unit G-2-153703 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 15.6K | 1.92M | Mar 1995 – Apr 2026 |
| Mueller, A.W. Heirs G-2-138707 | Texas Independent Explor., Inc. only | Green Lake, W. (LF-10) | Calhoun | 1 | 14.8K | 981K | Jan 1993 – Jun 1999 |