| 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 |
| Geller 54-2-37 Lov Unit O-10-51106 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 6 | 2.16M | 5.44M | Mar 2019 – Apr 2026 |
| Keller, P. M. O-14-1464 | Mountainside Energy Operating, L only | Panhandle Wheeler County Field | Wheeler | 28 | 2.02M | 136K | Jan 1993 – Mar 2026 |
| Fellers State Unit O-10-45199 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 7 | 1.98M | 4.34M | Nov 2013 – 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 |
| Keller O-1-16954 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 4 | 1.28M | 999K | Jun 2013 – Apr 2026 |
| Teller 186 O-10-46919 | Crescent Energy Operating, LLC only | Wolfbone (Trend Area) | Reeves | 3 | 1.11M | 2.04M | May 2015 – Apr 2026 |
| Mueller B O-2-11412 | BPX Operating Company only | Sugarkane (Austin Chalk) | Karnes | 3 | 1.1M | 4.25M | Aug 2017 – Apr 2026 |
| Geller 54-2 SB Unit O-10-57889 | Pdeh LLC only | Sandbar (Bone Spring) | Loving | 4 | 1.06M | 2.78M | Jul 2022 – 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 |
| Keller, P. M. O-14-1443 | Arcadia Energy Resources, LLC only | Panhandle Wheeler County Field | Wheeler | 47 | 976K | 3.09M | Jan 1993 – 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 |
| Keller "C" O-11-63561 | Finley Resources, Inc. only | Brahaney, W. (Dev) | Yoakum | 3 | 606K | 59.4K | Jan 1993 – Sep 2015 |
| 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 |
| William Larue Weller O-10-58079 | Blackbeard Operating, LLC only | Sand Hills (Clear Fork) | Crane | 10 | 532K | 1.45M | Mar 2022 – 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 |
| Keller O-1-15958 | Warwick-Artemis, LLC only | Eagleville (Eagle Ford-1) | Wilson | 3 | 402K | 127K | Apr 2012 – 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-Gause Unit O-3-23098 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Milam | 1 | 311K | 230K | Sep 1996 – Apr 2023 |
| Roberts-Mueller O-3-2099 | Magnum Producing, LP only | High Island | Chambers | 16 | 286K | 116K | Jan 1993 – Mar 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 |
| Keller, E. O-11-17786 | Hilcorp Energy Company only | Wasson (Wichita Albany) | Yoakum | 3 | 213K | 100K | Jan 1993 – Apr 2026 |
| William Larue Weller O-10-56999 | Blackbeard Operating, LLC only | Armer (6350) | Crane | 5 | 179K | 406K | Oct 2021 – Apr 2026 |
| 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 |
| Dspain -C- O-14-1428 | Kellerville Operating, LLC only | Panhandle Wheeler County Field | Wheeler | 8 | 149K | 216K | Jan 1993 – Apr 2026 |
| Evans Unit O-3-26585 | Sellers Lease Service, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 145K | 90.5K | Apr 2014 – Apr 2024 |
| Parr O-1-8546 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 8 | 134K | 62 | Jan 1993 – Apr 2026 |
| 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 |
| Tatum East Unit O-3-26586 | Sellers Lease Service, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 129K | 72.8K | Aug 2014 – Feb 2022 |
| 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 |
| Wheller, Bert O-3-21818 | Chaparral Energy, L.L.C. only | Kurten (Buda) | Brazos | 1 | 126K | 250K | Jan 1993 – Mar 2009 |
| Foster Ranch O-11-69234 | Petex only | Keller Ridge (Lower Tannehill) | Dickens | 3 | 126K | 0 | Apr 2008 – Apr 2026 |