| Federal Gayatt O-3-22502 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 1.25M | 831K | Apr 1994 – Apr 2026 |
| Trust Unit O-3-22288 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 1.08M | 362K | Feb 1994 – Apr 2026 |
| Franks /8900 Sand/ Unit O-3-6493 | Hilcorp Energy Company only | Franks (8900 Sand) | Galveston | 21 | 705K | 1.2M | by Jan 1993 – Apr 2026 |
| Alexander, Thos. P. Etal O-3-21769 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 2 | 698K | 340K | by Jan 1993 – Dec 2010 |
| Trust O-3-21999 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 3 | 435K | 367K | Apr 1993 – Jun 2021 |
| C. E. Franks Gas Unit O-3-24409 | Hilcorp Energy Company only | Franks (Banfield) | Galveston | 1 | 419K | 1.57M | Aug 2003 – Jun 2011 |
| Camp Wallace O-3-24461 | Houston Oil Prod Enterprises,inc only | Franks, NW. (8900) | Galveston | 1 | 324K | 109K | Dec 2003 – Apr 2026 |
| Frankson Etal O-3-23821 | Black Draw Energy LLC only | Buttermilk (Shaw) | Matagorda | 1 | 294K | 0 | Mar 2000 – Aug 2024 |
| Moody National Bank O-3-21298 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 1 | 239K | 144K | by Jan 1993 – Mar 2006 |
| Thos. Alexander Unit O-3-22287 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 1 | 209K | 114K | Jan 1994 – Nov 2008 |
| Hall-Franks Unit O-10-33675 | Bettis, Boyle & Stovall only | DDD (Canyon) | Howard | 3 | 207K | 339K | by Jan 1993 – Dec 2001 |
| Cortese Unit O-3-22221 | El Tres Exploration only | Franks (Schenck Sand) | Galveston | 1 | 196K | 302K | Aug 1993 – Jun 1998 |
| Gordon O-3-24391 | Hunt, Hassie Exploration Company only | Franks (Banfield) | Galveston | 3 | 142K | 926K | Jun 2003 – Feb 2007 |
| Cortese Unit O-3-24536 | Hilcorp Energy Company only | Franks (Schenck Upper) | Galveston | 1 | 128K | 379K | Apr 2004 – Aug 2023 |
| Aronsfeld Oil Unit O-3-25475 | Hilcorp Energy Company only | Franks (Harris, Oil) | Galveston | 2 | 118K | 381K | Feb 2010 – Apr 2026 |
| Camp Wallace D O-3-25132 | Hilcorp Energy Company only | Franks (Schenck Sand) | Galveston | 1 | 114K | 318K | Mar 2008 – Aug 2022 |
| Franks, C. E. Oil Unit # 1 O-3-24342 | Hunt, Hassie Exploration Company only | Franks (Schenck Upper) | Galveston | 1 | 105K | 474K | Feb 2003 – Jan 2007 |
| Gordon O-3-25956 | Hilcorp Energy Company only | Franks (Schenck Upper) | Galveston | 1 | 104K | 306K | Jun 2012 – Mar 2018 |
| Siercovich, et al Unit O-3-23537 | Orangefield East Corp only | Franks (Schenck Sand) | Galveston | 1 | 72.8K | 39K | Jun 1998 – Apr 2026 |
| Stewart O-3-28009 | Hilcorp Energy Company only | Franks, NW. (8900) | Galveston | 1 | 66K | 10.5K | Nov 2022 – Apr 2026 |
| Franks, Delmus Unit O-3-13127 | Trivista Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 57.5K | 110K | by Jan 1993 – Jul 2023 |
| W. T. Reitmeyer et al Unit O-3-22218 | Hunt, Hassie Exploration Company only | Franks (Schenck Sand) | Galveston | 1 | 56.3K | 94.9K | Jan 1994 – Jun 1999 |
| Franks, W.O -B- O-1-8777 | E. T. Oil Company only | Salt Flat, West | Caldwell | 9 | 45K | 22K | by Jan 1993 – Apr 2026 |
| Green, S. H., Oil Unit O-3-9954 | Hunt, Hassie Exploration Company only | Franks (Schenck Sand) | Galveston | 2 | 38.4K | 233K | Feb 1993 – May 2001 |
| Reitmeyer, W.T. O-3-21095 | Hilcorp Energy Company only | Franks (Harris, Oil) | Galveston | 1 | 34.6K | 418K | by Jan 1993 – Oct 2012 |
| Franks OL O-3-23950 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Grimes | 1 | 27.8K | 277K | Feb 2001 – Apr 2026 |
| M. Gilby et al Oil Unit O-3-24870 | Hilcorp Energy Company only | Franks (Rycade) | Galveston | 1 | 22K | 221K | Aug 2006 – Apr 2026 |
| Camp Wallace O-3-5216 | Houston Oil Prod Enterprises,inc only | Franks (8900 Sand) | Galveston | 1 | 21.5K | 51.3K | by Jan 1993 – Aug 2012 |
| Appling, F. E., -B- Unit O-2-3675 | Magnum Producing & Operating Co. only | Appling (SEG.12 Frankson) | Jackson | 1 | 17.6K | 40.1K | by Jan 1993 – May 2002 |
| Larson Oil Unit No. 1 O-3-9358 | Gasper Rice Resources, Ltd. only | Franks, NW. (8900) | Galveston | 1 | 17.4K | 2.07K | by Jan 1993 – Aug 1996 |
| Bofysil O-3-25514 | New Century Exploration, Inc. only | Franks (Banfield) | Galveston | 1 | 16.5K | 182K | Mar 2010 – Feb 2015 |
| Federal Delange Gas Unit O-3-25464 | XTO Energy Inc. only | Franks (Banfield) | Galveston | 1 | 13.3K | 162K | Oct 2009 – Feb 2010 |
| Frank Ghinaudo Unit 1 O-3-22192 | Hunt, Hassie Exploration Company only | Franks, E. (Harris C Sand) | Galveston | 1 | 10.6K | 69.3K | Aug 1993 – Aug 1994 |
| Martin Oil Unit #1 O-3-9273 | Gasper Rice & Associates, Inc. only | Franks, NW. (8900) | Galveston | 1 | 9.54K | 1.49K | by Jan 1993 – Jun 1995 |
| Franks, W.O. -A- O-1-8727 | E. T. Oil Company only | Salt Flat, West | Caldwell | 4 | 8.8K | 4.97K | by Jan 1993 – Apr 2026 |
| Gordon O-3-26426 | Hilcorp Energy Company only | Franks (Frio 10,000) | Galveston | 1 | 7.48K | 52.2K | Dec 2013 – Jan 2026 |
| Gordon O-3-27381 | Hilcorp Energy Company only | Franks (Banfield) | Galveston | 1 | 6.39K | 5.19K | May 2018 – Apr 2026 |
| Bofysil Unit O-3-26881 | New Century Exploration, Inc. only | Franks (Weiting, Lower) | Galveston | 1 | 5.63K | 0 | Feb 2014 – Sep 2018 |
| Aronsfeld Oil Unit O-3-24935 | XTO Energy Inc. only | Franks (Rycade) | Galveston | 1 | 4.14K | 112K | Dec 2006 – Jan 2010 |
| Aronsfeld Gas Unit O-3-24619 | Hunt, Hassie Exploration Company only | Franks (Schenck Upper) | Galveston | 1 | 3.42K | 25.7K | Oct 2004 – Aug 2006 |
| Franks, G.W. et Al O-1-12520 | Franks, George William only | Pearsall (Austin Chalk) | Frio | 1 | 3.35K | 7 | Apr 1993 – Jul 1995 |
| Gordon O-3-26015 | XTO Energy Inc. only | Franks (Banfield, Lower) | Galveston | 1 | 3.33K | 6.08K | Jun 2012 – May 2013 |
| Lobit, L.G. O-3-17896 | Hunt, Hassie Exploration Company only | Franks (Weiting, Upper) | Galveston | 1 | 1.57K | 16.6K | by Jan 1993 – Apr 1994 |
| Bofysil O-3-24384 | New Century Exploration, Inc. only | Franks, NW. (8900) | Galveston | 1 | 1.39K | 51 | Feb 2003 – Oct 2003 |
| M.ghinaudo et al Gas Unit O-3-24752 | Hunt, Hassie Exploration Company only | Franks (Schenck Sand) | Galveston | 1 | 1.26K | 7.06K | Apr 2005 – Oct 2005 |
| Franks, C.e.et al Oil Unit #4 O-3-12451 | Hunt, Hassie Exploration Company only | Franks (Harris, Oil) | Galveston | 1 | 793 | 2.74K | by Jan 1993 – May 1993 |
| Trull 'M' O-2-8985 | Brigham Oil & Gas, L.P. only | Appling, Southeast (Frankson) | Calhoun | 1 | 654 | 0 | Apr 2005 – Aug 2006 |
| Franks, E.W. O-1-8232 | Lott Production Company only | La Vernia | Guadalupe | 8 | 501 | 21 | by Jan 1993 – Jul 2002 |
| C E Franks Gas Unit #1 O-3-25215 | Hilcorp Energy Company only | Franks (Frio 10,000) | Galveston | 1 | 108 | 2.48K | Jul 2008 – Sep 2010 |
| Brittain,r. L.,etal, Oil Unit #1 O-3-5169 | Hunt, Hassie Exploration Company only | Franks (8900 Sand) | Galveston | 1 | 73 | 0 | Jul 1995 – Jul 1995 |