| Lanicek OL G-3-149094 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | 1 | 570K | 3.24M | Feb 1994 – Feb 2001 |
| Moody G-3-149232 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 562K | 7.62M | Mar 1994 – Mar 2023 |
| Husfeld G-3-149764 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 433K | 7.62M | May 1994 – Aug 2026 |
| Selected Lands - House Unit G-3-151557 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 343K | 2.46M | Oct 1994 – Jul 2026 |
| Mineral Springs G-3-154723 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 308K | 2.17M | May 1995 – Jul 2026 |
| Stout OL G-3-151741 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 278K | 4.83M | Sep 1994 – Aug 2026 |
| Holth G-3-195794 | Pride Energy Company | Iola (Georgetown) | 1 | 274K | 521K | Mar 2003 – Jan 2019 |
| T.M.P.A. G-3-151503 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 249K | 1.78M | Sep 1994 – Jul 2026 |
| Franks OL G-3-153549 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | 1 | 233K | 1.63M | Dec 1994 – Jan 2001 |
| Churchwell Unit G-3-154536 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 210K | 1.9M | May 1995 – Jun 2022 |
| Philip DL G-3-151747 | Evolution Operating Co., Inc. | Giddings (Austin Chalk, Gas) | 1 | 196K | 4.98M | Sep 1994 – Mar 2015 |
| Giles G-3-156485 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | 1 | 196K | 613K | Sep 1995 – Mar 2000 |
| West Cannon Unit G-3-263818 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 194K | 1.39M | Aug 2011 – Aug 2026 |
| Franus Unit G-3-156437 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | 1 | 187K | 2.41M | Sep 1995 – Feb 2000 |
| Cannon Unit G-3-155696 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | 1 | 179K | 1.28M | Jun 1995 – Aug 1999 |
| Laura OL G-3-161341 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 174K | 2.83M | Aug 1996 – Aug 2026 |
| Piedmont G-3-157698 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 173K | 4.65M | Nov 1995 – Dec 2012 |
| Tmpa Unit G-3-152196 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 170K | 1.37M | Oct 1994 – Apr 2020 |
| SNR OL G-3-152642 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | 1 | 157K | 823K | Dec 1994 – Jan 2001 |
| Beard OL G-3-150988 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 157K | 11.8M | Aug 1994 – Aug 2026 |
| Allen, A. G. Unit G-3-154144 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 155K | 1.91M | Apr 1995 – Apr 2017 |
| Que Pasa "A" G-3-151732 | Hilcorp Energy Company | Giddings (Austin Chalk, Gas) | 1 | 151K | 10.7M | Sep 1994 – Dec 2020 |
| Claire OL G-3-160563 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 143K | 7.07M | Jul 1996 – Aug 2026 |
| Pool G-3-157493 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 143K | 6.03M | Dec 1995 – Aug 2024 |
| Wagnon Unit G-3-153709 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | 1 | 127K | 966K | Feb 1995 – Aug 1999 |
| Uriah OL G-3-160552 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 125K | 3.45M | Sep 1996 – Aug 2026 |
| O'Brien DL G-3-156487 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 119K | 2.52M | Oct 1995 – Oct 2023 |
| Upchurch G-3-144734 | Pride Energy Company | Iola (Georgetown) | 1 | 117K | 2.92M | by Jan 1993 – May 2002 |
| Ciesielski Unit G-3-157733 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 114K | 2.33M | Feb 1996 – Jun 2024 |
| Rocky Creek OL G-3-151972 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 110K | 3.57M | Oct 1994 – Dec 2015 |
| McGee OL G-3-156354 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 110K | 4.12M | Aug 1995 – Jan 2024 |
| Wellman OL G-3-149289 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 105K | 13.2M | Mar 1994 – Apr 2020 |
| Fuller-Sontag OL G-3-154471 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 89.8K | 1.63M | Feb 1995 – Jul 2016 |
| Jeff G-3-154123 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 88K | 4M | Apr 1995 – Aug 2026 |
| Hannah G-3-153973 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 84.7K | 5.29M | Mar 1995 – Aug 2026 |
| Pasket G-3-156029 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 77.2K | 18.1M | Sep 1995 – Aug 2026 |
| Ride Lonesome G-5-284862 | Iron Ridge Operating, LLC | Aguila Vado (Eagleford) | 1 | 75K | 785K | Jan 2017 – Aug 2026 |
| Beard OL G-3-165231 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 74.9K | 6.07M | Jul 1997 – Aug 2026 |
| Waltrip G-3-154729 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 69.4K | 8.66M | May 1995 – Aug 2026 |
| Gorbet G-3-150973 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 67.5K | 8.76M | Jun 1994 – Aug 2026 |
| Jeb G-3-160133 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 62.5K | 3.27M | Jun 1996 – Jul 2023 |
| O'Connor-Goins Unit, et Al G-3-94912 | Sandel Operating Company | Iola (Sub-Clarksville) | 1 | 62K | 3.17M | by Jan 1993 – Aug 2026 |
| Hutto Unit G-3-256589 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 61.9K | 431K | Jan 2010 – Apr 2020 |
| Jake G-3-159469 | Patterson Petroleum, Inc. | Iola (Georgetown) | 1 | 57.5K | 542K | Jun 1996 – Feb 1998 |
| Franks OL G-3-289173 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 56.5K | 734K | Jul 2019 – Jul 2026 |
| Sanders G-3-167109 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 50.4K | 2.49M | Oct 1997 – Aug 2026 |
| Pasket G-3-166509 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | 1 | 50.2K | 8.33M | Sep 1997 – Aug 2026 |
| Selected Lands Unit #1 G-3-159041 | Patterson Petroleum LP | Iola (Georgetown) | 1 | 46.3K | 971K | May 1996 – Apr 2001 |
| Haltmar OL G-3-154724 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | 1 | 46.3K | 4.25M | May 1995 – Feb 2024 |
| Sontag G-3-159011 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | 1 | 45K | 294K | Aug 1995 – Jun 2004 |