| A Mueller Unit B O-2-9929 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 6 | 2.79M | 6.72M | Jul 2012 – Apr 2026 |
| Mueller A O-2-10716 | BPX Operating Company only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.88M | 2.12M | Jan 2014 – Apr 2026 |
| Mueller B O-2-11412 | BPX Operating Company only | Sugarkane (Austin Chalk) | Karnes | 3 | 1.1M | 4.25M | Aug 2017 – Apr 2026 |
| H. Mueller 18A O-2-10223 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 7 | 1.01M | 3.55M | May 2014 – Apr 2026 |
| A Mueller a-Koehler SW D O-2-11810 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 790K | 2.06M | May 2019 – Apr 2026 |
| A Mueller Unit A O-2-9796 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 2 | 643K | 1.38M | May 2012 – Apr 2026 |
| A Mueller a-Koehler SW C O-2-11808 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 575K | 1.43M | May 2019 – Apr 2026 |
| H Mueller Unit A O-2-9988 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 2 | 556K | 1.1M | Jul 2012 – Apr 2026 |
| A Mueller a-Koehler SW A O-2-11835 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 551K | 1.74M | May 2019 – Apr 2026 |
| A Mueller A-Koehler a Usw F O-2-12887 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 516K | 1.42M | Jun 2024 – Apr 2026 |
| A Mueller Quad Ulw A O-2-12889 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 476K | 1.32M | Jun 2024 – Apr 2026 |
| A Mueller A-Koehler a Usw G O-2-12888 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 404K | 1.17M | Jun 2024 – Apr 2026 |
| A Mueller A-Koehler a Usw H O-2-12884 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 400K | 1.12M | Jun 2024 – Apr 2026 |
| A Mueller a-Koehler SW B O-2-11807 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 377K | 1.11M | May 2019 – Apr 2026 |
| Rally Petroleum O-1-15167 | Mueller Exploration, Inc. only | Pearsall (Austin Chalk) | Frio | 4 | 375K | 899K | Oct 2009 – Mar 2023 |
| Sampson-Mueller Unit O-3-22537 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 3 | 369K | 1.79M | Aug 1994 – Apr 2026 |
| Sampson-Mueller A O-3-28033 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 368K | 1.46M | Feb 2022 – Apr 2026 |
| Mueller, A. O-3-8859 | Enhanced Energy Partners Corp only | Raccoon Bend (Miocene Y) | Austin | 1 | 357K | 63.7K | Jan 1993 – Dec 2020 |
| A Mueller A-Koehler a Usw E O-2-12913 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 354K | 1.07M | Jun 2024 – Apr 2026 |
| 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 |
| Mueller-Gause Unit O-3-23098 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Milam | 1 | 311K | 230K | Sep 1996 – Apr 2023 |
| H. Mueller 18A G-2-298096 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 302K | 1.25M | Feb 2025 – Apr 2026 |
| Roberts-Mueller O-3-2099 | Magnum Producing, LP only | High Island | Chambers | 16 | 286K | 116K | Jan 1993 – Mar 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 |
| A Mueller a-Koehler SW O-2-11814 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | De Witt | 1 | 274K | 967K | May 2019 – Apr 2026 |
| Mueller-Korth Unit O-3-23767 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 252K | 1.14M | Sep 1999 – Apr 2026 |
| Ruisinger O-3-21995 | Mueller Exploration, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 216K | 546K | Mar 1993 – Jul 2020 |
| Roberts & Mueller O-3-7295 | Big Lake Corporation only | High Island | Chambers | 8 | 215K | 80.4K | Jan 1993 – Mar 2026 |
| Sampson-Mueller B O-3-28028 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 214K | 898K | Sep 2022 – 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 |
| Mueller-Levien D.L. Unit O-3-22008 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 176K | 1.59M | Apr 1993 – Apr 2026 |
| Stegmueller Unit O-3-22870 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 170K | 3.28M | Mar 1996 – Mar 2025 |
| Mueller-Korth Unit G-3-148108 | Union Pacific Resources Company only | Giddings (Austin Chalk, Gas) | Lee | 1 | 155K | 751K | Jan 1994 – Aug 1999 |
| Stegmueller O-3-13204 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Burleson | 11 | 130K | 1.79M | Jan 1993 – Apr 2026 |
| Rally Eagle O-1-15508 | Mueller Exploration, Inc. only | Briscoe Ranch (Eagleford) | Frio | 1 | 129K | 274K | May 2011 – Apr 2026 |
| Stegmueller O-3-22813 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 6 | 129K | 1.65M | Jul 1995 – Oct 2021 |
| Kincaid O-1-15333 | Mueller Exploration, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 127K | 372K | Aug 2010 – Feb 2020 |
| Mueller O-2-9684 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 108K | 83.5K | Jul 2011 – 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 |
| 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 |
| Stout O-1-15343 | Mueller Exploration, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 52.6K | 118K | Jul 2010 – Jun 2015 |
| 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 |
| 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 |
| Brundrett Eagle Unit O-1-15921 | Mueller Exploration, Inc. only | Briscoe Ranch (Eagleford) | Frio | 1 | 43.6K | 116K | Jan 2012 – Apr 2024 |
| Mueller, Arlen & Barbara O-2-7337 | Delray Oil, Inc. only | Buehler (Carrizo) | Karnes | 2 | 42.1K | 1.91K | Jan 1993 – Mar 2018 |
| Holcomb Ranch O-13-33062 | Mueller Exploration, Inc. only | Quanah, South (Chappel) | Hardeman | 1 | 41.9K | 0 | Aug 2014 – Feb 2018 |
| Mueller, E. &j. O-8-24560 | Hofco, Inc. only | Glahn-Reese (King Sd.) | Haskell | 3 | 39.7K | 39 | Jan 1993 – Sep 2010 |