| Neller-Elizondo-Runge 2 (SA) D4 G-2-288621 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 148K | 1.14M | Nov 2019 – Aug 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 | 135K | 62 | by Jan 1993 – Aug 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 – May 2026 |
| Stegmueller O-3-13204 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Burleson | 11 | 130K | 1.79M | by Jan 1993 – Apr 2026 |
| Rally Eagle O-1-15508 | Mueller Exploration, Inc. only | Briscoe Ranch (Eagleford) | Frio | 1 | 130K | 274K | May 2011 – Aug 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 |
| Foster Ranch O-11-69234 | Petex only | Keller Ridge (Lower Tannehill) | Dickens | 3 | 127K | 0 | Apr 2008 – Aug 2026 |
| Neller-Rhodes Trust (SA) G-2-273126 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 126K | 1.49M | Sep 2013 – Aug 2026 |
| Wheller, Bert O-3-21818 | Chaparral Energy, L.L.C. only | Kurten (Buda) | Brazos | 1 | 126K | 250K | by Jan 1993 – Mar 2009 |
| RT-Neller-Kolo (SA) D6 G-2-295956 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 125K | 1.01M | Jul 2024 – Aug 2026 |
| Lange-Moeller Unit O-9-18170 | Apex Resources LLC only | Rowena (Jennings) | Runnels | 1 | 118K | 19.1K | Nov 2012 – Aug 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 | 110K | 1.25M | Jun 2016 – Aug 2026 |
| Mueller O-2-9684 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 108K | 84.3K | Jul 2011 – Aug 2026 |
| Neller Gas Unit 1 G-2-271164 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 105K | 1.08M | Sep 2013 – Aug 2026 |
| Rightmer O-3-25638 | Sellers Lease Service, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 105K | 50.1K | Sep 2010 – Jan 2026 |
| Mercy Gas Unit G-3-172018 | Mueller Exploration, Inc. only | Mercy (10400 Wilcox) | San Jacinto | 1 | 102K | 1.2M | Jan 1999 – Aug 2026 |
| Gfeller O-11-9818 | Sahara Operating Company only | Felken (6900 Sd.) | Dawson | 1 | 102K | 25 | by Jan 1993 – Jul 2026 |
| Neller Gas Unit 1 G-2-281754 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 97.5K | 1.21M | Oct 2016 – Aug 2026 |
| Neller Gas Unit 1 G-2-281532 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 94.5K | 753K | Oct 2016 – Aug 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 |
| Keller B O-1-15972 | Warwick-Artemis, LLC only | Eagleville (Eagle Ford-1) | Wilson | 1 | 93.4K | 38.8K | Apr 2012 – Aug 2026 |
| Mueller Family 01 G-2-265507 | Marathon Oil EF LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 88.8K | 1.94M | May 2011 – Aug 2026 |
| Neller Gas Unit 1 G-2-281507 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 86.4K | 1.11M | Oct 2016 – Aug 2026 |
| Grodhaus O-3-18685 | Sellers Lease Service, Inc. only | Rutledge (Wilcox 6500) | Colorado | 1 | 82.1K | 144 | by Jan 1993 – Aug 2026 |
| Neller Gas Unit 1 G-2-283728 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 81.4K | 1.13M | Aug 2017 – Aug 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-Runge 2 (SA) D6 G-2-288458 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 78.7K | 1.19M | Nov 2019 – Aug 2026 |
| Sellers -66- O-10-29723 | Winn Operating, LLC only | Triple M (Wolfcamp) | Sterling | 4 | 77.5K | 186K | by Jan 1993 – Jul 2026 |
| Neller-Runge 1-Runge 2 (SA) D7 G-2-288561 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 76.4K | 1.04M | Nov 2019 – Aug 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 |
| Keller "A" O-13-20712 | Felderhoff Production Company only | Philpick (6500) | Grayson | 1 | 72K | 12K | by Jan 1993 – Sep 2015 |
| 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 |
| Sellers -62- O-10-18459 | Winn Operating, LLC only | Triple M (Wolfcamp Upper) | Sterling | 1 | 61.9K | 82.8K | by Jan 1993 – Dec 2024 |
| Stulting, N. C. O-1-1705 | Sellers Lease Service, Inc. only | Stulting | Gonzales | 6 | 61.1K | 23 | by Jan 1993 – Aug 2026 |
| Johnston & Parr Unit O-1-10127 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 5 | 61.1K | 60 | by Jan 1993 – Aug 2026 |
| Rightmer Ranch O-3-22710 | Sellers Lease Service, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 59K | 83.3K | Mar 1995 – Jun 2014 |
| Johnston, Joe H. O-1-9193 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 8 | 57.9K | 815 | by Jan 1993 – Aug 2026 |
| Sellers O-10-45072 | Owl Ops LLC only | Garden City, S. (Wolfcamp) | Mitchell | 2 | 54.8K | 333K | Feb 2014 – Aug 2026 |
| Keller O-3-17234 | Bexco Operating, Inc. only | Kurten (Buda) | Brazos | 1 | 54.7K | 95.6K | by Jan 1993 – Nov 2011 |
| Pitchfork Land & Cattle Co. "J" O-11-65891 | SSC, Inc. only | Keller Ridge (Lower Tannehill) | Dickens | 1 | 54.2K | 21 | by Jan 1993 – Aug 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 | 51.7K | 1.19M | Jun 2011 – Aug 2026 |
| Arco Fee Ellery G-3-131617 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 50.9K | 218K | by Jan 1993 – Apr 2005 |
| Northington Unit 2 G-3-281682 | Mueller Exploration, Inc. only | Northington Lake (Wilcox) | Wharton | 1 | 50K | 1.69M | Apr 2016 – Aug 2026 |
| Arco Fee Ellery G-3-129902 | Goldking Onshore Operating, LLC only | Buna, West (Wilcox) | Hardin | 1 | 49.9K | 157K | by Jan 1993 – May 2009 |