| Jordan, Mina O-3-2885 | Remora Management, LLC only | Magnet Withers | Wharton | 3 | 177K | 133K | by Jan 1993 – Aug 2026 |
| Merta, Celestina et Al G-3-128345 | Faulconer Energy, LLC only | Rio Loco (Yegua) | Wharton | 1 | 70.4K | 10.5M | by Jan 1993 – Aug 2026 |
| South Texas Land, et Al O-3-26520 | Finaly Resources LLC only | Holub (5600) | Wharton | 1 | 22.8K | 79.4K | Aug 2013 – Dec 2018 |
| Rasmussen Lange Unit G-3-271091 | Faulconer Energy, LLC only | Rainoshek (Anomalina Sand) | Wharton | 1 | 16.9K | 1.56M | Feb 2013 – Aug 2026 |
| Rasmussen G-3-184704 | Faulconer Energy, LLC only | Rainoshek (Anomalina Sand) | Wharton | 1 | 13.9K | 1.44M | Aug 2001 – Dec 2018 |
| Bain G-3-178204 | Field Petroleum Corp. only | Rainoshek (Anomalina Sand) | Wharton | 1 | 9.8K | 628K | Mar 2000 – Feb 2015 |
| Cockburn, H. C. G-3-225118 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 2) | Wharton | 1 | 6.75K | 7.43K | Apr 2006 – Mar 2007 |
| Lexy G-3-200565 | Fortune Resources LLC only | B U Ranch (Marginulina 5300) | Wharton | 1 | 517 | 589K | Jul 2004 – Mar 2011 |
| Osina G-3-125594 | Hilcorp Energy Company only | El Campo (Yegua) | Wharton | 1 | 49 | 783 | Jun 1993 – Jan 1996 |
| Franz, J.H. G-3-273497 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 1 | 72K | Apr 2013 – Aug 2019 |
| Pierce Estates G-3-78033 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 58.6K | by Jan 1993 – Dec 1996 |
| Thompson, A. C. -A- G-3-85535 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Mag.w.mi GU 1 G-3-96620 | Exxon Mobil Corporation only | Magnet Withers (Heterostegina) | Wharton | 1 | 0 | 112K | by Jan 1993 – Nov 1999 |
| State Tract #7 G-3-99628 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Cockburn Oil Corp. G-3-108058 | Exxon Corp. only | Magnet Withers (Heterostegina) | Wharton | 1 | 0 | 0 | — |
| Pierce Estates G-3-117522 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Marginulina Sand Unit G-3-119291 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Pierce Estates G-3-120780 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 12K | by Jan 1993 – Feb 1999 |
| Marg. 1 Gas Unit G-3-121805 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 52.6K | by Jan 1993 – May 2002 |
| Pierce Estates G-3-123863 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 93.8K | by Jan 1993 – Jun 2004 |
| Pierce Estates G-3-125343 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 766K | Nov 1994 – May 2006 |
| Thompson, A. C. -A- G-3-129985 | Texaco E & P Inc. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Thompson, A. C. -A- G-3-130565 | Texaco E & P Inc. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Pierce Estates G-3-133452 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 146K | by Jan 1993 – Jul 2004 |
| Pierce Estates G-3-137823 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Cockburn, H. C. G-3-140134 | White Oak Operating Company LLC only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 306K | by Jan 1993 – Dec 2006 |
| Cockburn, H. C. G-3-141064 | Exxon Corp. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 5.63K | by Jan 1993 – Mar 1993 |
| Defriend G-3-153160 | Defriend, E. M. & Charlotte Ann only | Rainoshek (Anomalina Sand) | Wharton | 1 | 0 | 0 | — |
| Franz, J. H. G-3-155408 | Apache Corporation only | Magnet Withers (Heterostegina) | Wharton | 1 | 0 | 289K | Aug 1995 – Dec 2009 |
| State Tracts Unit G-3-158735 | Apache Corporation only | Magnet Withers (Heterostegina) | Wharton | 1 | 0 | 0 | — |
| Pierce Estates G-3-189835 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 89.2K | Jun 2002 – Sep 2003 |
| Pierce Estates G-3-194344 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 57K | May 2003 – Aug 2005 |
| Pierce Estates G-3-198291 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Pierce Estates G-3-198292 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 16.4K | Feb 2004 – Apr 2005 |
| Pierce Estates G-3-206629 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 18.8K | Dec 2004 – Jul 2005 |
| Brooks G-3-208331 | Fortune Resources LLC only | B U Ranch (Marginulina 5300) | Wharton | 1 | 0 | 506K | Mar 2005 – Jul 2013 |
| Lexy G-3-210195 | Viper S.W.D., LLC only | B U Ranch (Marginulina 5300) | Wharton | 1 | 0 | 153K | Jun 2005 – Jun 2010 |
| Pierce Estates G-3-213386 | Apache Corporation only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 97.4K | Apr 2005 – May 2010 |
| Cockburn, H. C. G-3-239783 | White Oak Operating Company LLC only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Cockburn, H. C. G-3-242370 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 2) | Wharton | 1 | 0 | 81.1K | May 2008 – Apr 2011 |
| Bock-Cockburn-Gulf Coast Water O-3-16536 | Boling Production Company, Inc. only | Bemus (5800 Marginulina) | Wharton | 1 | 0 | 1 | Dec 2004 – Dec 2004 |
| Pierce Estates G-3-190102 | Remora Management, LLC only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 59.1K | Jul 2002 – Sep 2004 |
| Cockburn, H. C. G-3-234823 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 155K | May 2006 – Jan 2018 |
| Cockburn, H. C. G-3-244969 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 176K | Apr 2008 – Jul 2019 |
| Debruhl, H. E. G-3-135591 | Orx Resources, L.L.C. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 849K | by Jan 1993 – Sep 2015 |
| Pierce Estates G-3-196517 | Remora Management, LLC only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 9.93K | Jul 2003 – Mar 2005 |
| Pierce Estates G-3-269592 | Remora Management, LLC only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 1.54K | Aug 2011 – Dec 2011 |
| Cockburn, H. C. G-3-281156 | Orx Resources, L.L.C. only | Magnet Withers (Heterostegina) | Wharton | 1 | 0 | 465 | Aug 2016 – Sep 2016 |
| Cockburn, H. C., -B- G-3-40338 | McGowan Working Partners, Inc. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 0 | — |
| Cockburn, H.C. 'B' G-3-98870 | McGowan Working Partners, Inc. only | Magnet Withers (Marginulina 1) | Wharton | 1 | 0 | 19.5K | Jul 2003 – Dec 2007 |