| Greene, O. W. -A- O-4-1228 | Hoffman | Duval | 2 | 682 | 17 | Jan 1993 – Mar 2021 |
| Dcrc-MF-NCT-64 O-4-9736 | Wildcat | Duval | 2 | 0 | 0 | Jan 1993 – Jan 2021 |
| Dcrc MF NCT-56 O-4-7607 | D C R 79, South (Chernosky) | — | 1 | 1.32K | 22 | Jan 1993 – Oct 2020 |
| Weil Survey 1 O-4-1255 | Hoffman | — | 4 | 9.99K | 111 | Jan 1993 – Sep 2020 |
| Weil, A. Sec. 1 O-4-7606 | Hoffman (2730 Loma Novia) | Duval | 3 | 3.47K | 102 | Jan 1993 – Sep 2020 |
| Weil Estate O-4-8480 | Hoffman | Duval | 2 | 183 | 17 | Jan 1993 – Sep 2020 |
| Mobil Fee O-4-10571 | Hoffman (2540 Argo) | Duval | 1 | 27K | 111 | Jan 1993 – Jul 2020 |
| Hahl, C. W. -C- O-4-1571 | Loma Novia | — | 3 | 4.72K | 109 | Jan 1993 – Jul 2020 |
| Dcrc MF NCT-74 G-4-10404 | Forty Nine (Mirando) | — | 1 | 0 | 0 | Jan 1993 – Jul 2020 |
| Mobil Fee - Section 495 O-4-8641 | Hoffman | Duval | 3 | 0 | 0 | Jan 1993 – Jul 2020 |
| D C R C -a- NCT-2 G-4-34023 | Hagist Ranch ( 900) | — | 1 | 0 | 300 | Jan 1993 – Apr 2020 |
| Dcrc "a" NCT-2 G-4-84891 | Hagist Ranch (1100) | Duval | 1 | 0 | 0 | Jan 1993 – Apr 2020 |
| Hahl, -A- O-4-1065 | Govt. Wells, N. | — | 3 | 62.9K | 111 | Jan 1993 – Jan 2020 |
| Riggs, W. C. O-4-1104 | Govt. Wells, N. | — | 3 | 947 | 9 | Jan 1993 – Jan 2020 |
| Riggs, W. C., -A- O-4-4981 | Govt. Wells, N. | — | 1 | 0 | 0 | Jan 1993 – Jan 2020 |
| Tankersley, A. L. O-4-1085 | Govt. Wells, N. | — | 1 | 18.4K | 62 | Jan 1993 – May 2019 |
| Hahl, -C- O-4-1127 | Govt. Wells, South | — | 1 | 10.3K | 110 | Jan 1993 – May 2019 |
| Hahl, C. W. Sec. 67 G-4-256255 | Loma Novia, North (Govt. Wells) | Duval | 1 | 0 | 32.6K | Apr 2010 – Jan 2019 |
| Hubberd, Wm. O-4-1546 | Loma Novia | — | 6 | 21.8K | 261 | Jan 1993 – Jun 2018 |
| Herbst, F. W. G-4-256543 | Loma Novia, North (Govt. Wells) | Duval | 1 | 0 | 15.8K | May 2010 – Sep 2017 |
| Vela, M. O-4-1557 | Loma Novia | — | 9 | 51.9K | 21 | Jan 1993 – Apr 2017 |
| Weil Estate G-4-60417 | Hoffman (Govt. Wells, UP) | Duval | 1 | 0 | 0 | Jan 1993 – Feb 2017 |
| D C RC-A-NCT-2 G-4-67890 | Hagist Ranch (1100) | — | 1 | 0 | 402 | Jan 1993 – Jan 2017 |
| Salinas, R. O-4-5830 | Buena Suerte, N. (Tinney Sd.) | — | 1 | 0 | 0 | Jan 1993 – Jun 2015 |
| Dcrc "a" NCT-2 O-4-9797 | Hagist Ranch ( Queen City Sand) | Duval | 1 | 0 | 0 | Jan 1993 – Jun 2015 |
| Palacios O-4-6209 | Buena Suerte, N. (Tinney FB-3) | — | 2 | 24.5K | 7.06K | Jan 1993 – Feb 2014 |
| Parr, Atlee O-4-5764 | Buena Suerte, N. (Tinney FB-2) | — | 2 | 51.5K | 21 | Jan 1993 – Jan 2014 |
| Parr, Atlee O-4-5552 | Buena Suerte, N. (Tinney Sd.) | — | 1 | 16.7K | 21 | Jan 1993 – Jan 2014 |
| Parr, Atlee G-4-35879 | Buena Suerte, N. (Tinney FB-2-A) | — | 1 | 0 | 0 | Jan 1993 – Aug 2013 |
| Southwest Texas Corporation G-4-230812 | Realitos, East (Queen City) | Duval | 1 | 0 | 45K | Feb 2007 – Feb 2013 |
| Moody, L. B. -A- O-4-1542 | Loma Novia | — | 2 | 112 | 0 | Jan 1993 – Nov 2012 |
| Southwest Texas Corporation G-4-219346 | Ben Santos (Cole, Middle) | Duval | 1 | 0 | 73.2K | Mar 2006 – Aug 2012 |
| Southwest Texas Corp. G-4-213772 | Longhorn, South | Duval | 1 | 0 | 95.8K | Sep 2005 – Aug 2012 |
| Southwest Texas Corp. G-4-190371 | Ben Santos (Cole, Middle) | Duval | 1 | 0 | 19.2K | Aug 2002 – Jul 2011 |
| Southwest Texas Corp. G-4-184496 | Wildcat | Duval | 1 | 0 | 0 | Apr 2001 – Jul 2011 |
| Southwest Texas Corp. G-4-180560 | Longhorn, South | Duval | 1 | 0 | 37.4K | Dec 2000 – Jul 2011 |
| Southwest Texas Corp G-4-203829 | Realitos, East (Delores 6600 SD) | Duval | 1 | 0 | 22.5K | Jan 2004 – Jul 2011 |
| Southwest Texas Corp G-4-211133 | Realitos, East (6430 SD) | Duval | 1 | 0 | 16.7K | Nov 2004 – Feb 2011 |
| Southwest Texas Corp. G-4-190584 | Ben Santos (Cole, Middle) | Duval | 1 | 0 | 39.3K | Aug 2002 – Feb 2011 |
| Bishop Duval Land Co. NCT-1 O-4-4601 | Loma Novia ( 2ND Sand) | Duval | 4 | 0 | 0 | Jan 1993 – Apr 2010 |
| Weil-B O-4-9794 | Sarnosa | Duval | 4 | 9.92K | 1.09K | Jan 1993 – Oct 2002 |
| Villareal G-4-160296 | Sun, North (5400) | Starr | 1 | 0 | 111K | Oct 1996 – Jan 2000 |
| Garza, Ruben G-4-128960 | Sun, North (5950 Frio) | Starr | 1 | 0 | 0 | Jan 1993 – Aug 1999 |
| Villarreal G-4-130131 | Kelsey, South (Pena -B-) | Starr | 1 | 0 | 5.95K | Jan 1993 – Aug 1999 |
| Alvarez G-4-131678 | Wildcat | Starr | 1 | 0 | 0 | Jan 1993 – Feb 1998 |
| Thomas, et al #1 G-4-123827 | Sarnosa, West | Duval | 1 | 0 | 0 | Jan 1993 – Mar 1997 |
| Villareal O-4-12488 | Sun, North (5200 Sand) | Starr | 1 | 1.07K | 831 | Sep 1995 – Nov 1996 |
| Bennett, J.M. O-4-11416 | Macho Creek (Loma Novia, Upper) | Duval | 5 | 0 | 0 | Jan 1993 – Aug 1996 |
| Villarreal G-4-143173 | Sun, North (5000) | Starr | 1 | 0 | 99K | Jan 1993 – Sep 1995 |
| Thomas, et AL G-4-141648 | Sarnosa, West | Duval | 1 | 0 | 46.5K | Jan 1993 – Oct 1994 |