| Birchridge-Allen Unit G-3-149117 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 412K | 4.06M | Mar 1994 – Feb 2020 |
| Dunlap-Bryan Unit G-3-148172 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 256K | 4.39M | Jan 1994 – Jul 2024 |
| McCullough-McCullough 'B' Unit G-3-145291 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 255K | 3.69M | Apr 1993 – Aug 2026 |
| Thompson-Marsh Unit G-3-146625 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 232K | 2.22M | Aug 1993 – Aug 2020 |
| McCullough-Olden Unit G-3-146491 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 189K | 1.72M | May 1993 – Nov 2024 |
| Talley-Mitchell Unit G-3-149221 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 180K | 3.61M | Mar 1994 – Oct 2023 |
| Lometa G-3-146240 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 150K | 1.74M | Jun 1993 – Dec 2015 |
| Podraza-Rotello Unit G-3-150607 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 108K | 6.73M | Jul 1994 – Aug 2026 |
| Selected Lands - Pavalock Unit G-3-150481 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 104K | 2.14M | Jun 1994 – Jul 2026 |
| Keyser-Boyett Unit G-3-144820 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 94.5K | 4.32M | Feb 1993 – Aug 2026 |
| Steephollow Unit G-3-168707 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 92.2K | 1.04M | Apr 1998 – Jan 2025 |
| Dunlap Unit G-3-148839 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 90.3K | 7.68M | Mar 1994 – Jun 2026 |
| Sowell Unit G-3-149587 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 81.3K | 4.96M | May 1994 – Aug 2026 |
| Moon Unit G-3-153168 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 78K | 5.57M | Dec 1994 – Aug 2026 |
| Quinn-Perkins Unit G-3-152768 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 71.3K | 8.05M | Nov 1994 – Aug 2026 |
| Myers Cattle Unit G-3-153701 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 66.7K | 3.68M | Jan 1995 – Aug 2026 |
| Orlando Unit G-3-150978 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 59.3K | 7.6M | Aug 1994 – Mar 2026 |
| Moore, H. H. Estate Unit G-3-144416 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 56.7K | 1.22M | Feb 1993 – Nov 2004 |
| College Hills Unit G-3-157043 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 51.3K | 1.27M | Jul 1995 – Aug 2026 |
| McFarlane Unit 4 G-3-167648 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 49.1K | 1.08M | Nov 1997 – Jul 2010 |
| Abshire Selected Lands Unit G-3-234462 | Magnolia Oil & Gas Operating LLC | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 49.1K | 2.94M | Feb 2007 – Aug 2026 |
| Moore G-3-151227 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 46.8K | 11.4M | Sep 1994 – Aug 2026 |
| Carroll - Peters Unit G-3-162306 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 43K | 802K | Jan 1997 – Aug 2026 |
| Carroll-Biering Unit G-3-160785 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 42.7K | 1.37M | Oct 1996 – Aug 2026 |
| Myers Cattle Unit G-3-156375 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 42.1K | 2.79M | Sep 1995 – Aug 2026 |
| Waldorf-Pool G-3-143409 | Magnolia Oil & Gas Operating LLC | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 40K | 1.09M | by Jan 1993 – Jan 2010 |
| McFarlane, J. W. G-3-145663 | Magnolia Oil & Gas Operating LLC | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 39.4K | 849K | Apr 1993 – Apr 2013 |
| Enterprise Unit G-3-162239 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 38.5K | 1.6M | Feb 1997 – Aug 2026 |
| Hullabaloo G-3-190267 | Magnolia Oil & Gas Operating LLC | Giddings (Buda) | Brazos | 1 | 38.4K | 938K | Aug 2001 – Aug 2026 |
| McFarlane, J. W. G-3-141646 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 37.7K | 920K | by Jan 1993 – Nov 2003 |
| Cannon-Chance Unit G-3-187097 | Magnolia Oil & Gas Operating LLC | Giddings (Buda) | Brazos | 1 | 36.6K | 1.52M | Mar 2001 – Aug 2026 |
| T.J.M. OL G-3-156533 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 35.4K | 3.84M | Aug 1995 – Aug 2026 |
| Arnold Unit G-3-159645 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 35.2K | 2.13M | Jun 1996 – Aug 2026 |
| Kathleen OL G-3-156347 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 35.1K | 3.09M | Jul 1995 – Aug 2026 |
| Deerfield -a- Unit G-3-161757 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 34.1K | 892K | Nov 1996 – Aug 2026 |
| Allen-Dansby Unit G-3-224957 | Magnolia Oil & Gas Operating LLC | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 34K | 1.93M | Nov 2006 – Aug 2026 |
| Walton OL G-3-155050 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 29K | 7.28M | Apr 1995 – Aug 2026 |
| Stanton Unit G-3-156378 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 25K | 14.6M | Sep 1995 – Mar 2020 |
| Westlands G-3-153402 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 22.1K | 2.41M | Jan 1995 – Aug 2026 |
| Lindley G-3-150332 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 19.8K | 6.65M | Jun 1994 – Aug 2026 |
| Goen, Oliver F. Unit G-3-170769 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 17.8K | 543K | Aug 1998 – Aug 2026 |
| Ironside Unit G-3-164064 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 16.4K | 1.31M | Mar 1997 – Oct 2024 |
| Weedon, J. E. Unit G-3-170172 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 15.7K | 605K | Jun 1998 – Aug 2019 |
| Dugger-Smith Unit G-3-201120 | Magnolia Oil & Gas Operating LLC | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 14.6K | 1.73M | Jan 2004 – Oct 2021 |
| McFarlane, J. W. G-3-201420 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk, Gas) | Brazos | 1 | 11.9K | 260K | Sep 2003 – Feb 2011 |
| Allen Farm OL G-3-159453 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 11.1K | 3.78M | Apr 1996 – Aug 2026 |
| Myers Cattle Unit G-3-167195 | Magnolia Oil & Gas Operating LLC | Giddings (Austin Chalk-3) | Brazos | 1 | 9.1K | 1.39M | Sep 1997 – Aug 2026 |
| Weedon-Weedon B G-3-175106 | Magnolia Oil & Gas Operating LLC | Kurten (Georgetown) | Brazos | 1 | 8.58K | 289K | Jul 1999 – Mar 2015 |
| Allen, Henry L. G-3-249251 | Magnolia Oil & Gas Operating LLC | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 7.89K | 579K | Aug 2008 – Aug 2026 |
| Olden-Paull Unit G-3-250056 | Magnolia Oil & Gas Operating LLC | Giddings (Georgetown, Gas) | Brazos | 1 | 7.39K | 349K | Oct 2008 – Aug 2026 |