| Berryman, et al Unit G-4-172812 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 288K | 10.5M | Feb 1999 – Dec 2025 |
| Chapman Ranch G-4-190455 | Proline Energy Resources Inc only | Mobil-David (Anderson) | Nueces | 1 | 202K | 3.79M | Jul 2002 – Dec 2010 |
| Chapman Ranch C G-4-259450 | Proline Energy Resources Inc only | Mobil-David (Anderson) | Nueces | 1 | 191K | 11.8M | Feb 2011 – Feb 2020 |
| Kampfenkel, et al G. U. G-4-174485 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 154K | 4.17M | Aug 1999 – Jul 2017 |
| Berryman et al Unit G-4-175113 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 126K | 4.33M | Nov 1999 – Dec 2025 |
| Peterson-Nuss Unit G-4-148986 | Proline Energy Resources Inc only | Corpus Christi, W (Consolidated) | Nueces | 1 | 84.4K | 1.4M | Mar 1994 – Aug 2026 |
| Berryman, et al Unit G-4-175748 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 60K | 1.91M | Jan 2000 – Dec 2000 |
| Kocurek Heirs G-4-183105 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 50.9K | 1.95M | May 2001 – Dec 2025 |
| Sanders "A" O-4-4049 | Proline Energy Resources Inc only | Baldwin (3800) | Nueces | 1 | 50K | 434 | by Jan 1993 – Aug 2026 |
| Kampfhenkel Gas Unit G-4-186186 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 47.6K | 1.78M | Apr 2001 – Dec 2025 |
| Countiss Sam G-4-194242 | Proline Energy Resources Inc only | Baldwin (9290) | Nueces | 1 | 37.3K | 1.45M | Oct 2002 – May 2013 |
| Baldwin, J. C. O-4-9441 | Proline Energy Resources Inc only | Baldwin S. (Sanders) | Nueces | 3 | 34.8K | 29 | by Jan 1993 – Jul 2019 |
| B Gallagher 1GU G-4-201653 | Proline Energy Resources Inc only | Baldwin (7400) | Nueces | 1 | 33.9K | 103K | Apr 2004 – Aug 2026 |
| Hill-Barnhart Unit O-4-9825 | Proline Energy Resources Inc only | Baldwin W. (3800) | Nueces | 1 | 33.5K | 2.89K | by Jan 1993 – Oct 2019 |
| Countiss, Sam G-4-187848 | Proline Energy Resources Inc only | Baldwin (9300) | Nueces | 1 | 27K | 820K | Jan 2002 – Dec 2025 |
| Berryman et al, Gas Unit G-4-182611 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 26.7K | 744K | Feb 2001 – Jul 2026 |
| Berryman et al Gas Unit G-4-182213 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 1.95M | Feb 2001 – Jun 2026 |
| Berryman et al Gas Unit G-4-184045 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 14.8K | 430K | Apr 2001 – Jul 2026 |
| Chapman Ranch G-4-197910 | Proline Energy Resources Inc only | Mobil-David (Anderson) | Nueces | 1 | 14.5K | 346K | May 2003 – Dec 2003 |
| Chapman Ranch G-4-231911 | Proline Energy Resources Inc only | Mobil-David (Frio 12,600) | Nueces | 1 | 14.3K | 869K | Aug 2007 – Aug 2019 |
| B. Gallagher 1 GU G-4-195033 | Proline Energy Resources Inc only | Baldwin (9300) | Nueces | 1 | 12.8K | 417K | Mar 2003 – Jun 2024 |
| Berryman et al, Gas Unit G-4-184528 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 12K | 1.32M | Aug 2001 – Mar 2017 |
| Berryman et al Unit G-4-181832 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 10.8K | 713K | Dec 2000 – Mar 2019 |
| Sanders, M. L. "B" O-4-8786 | Proline Energy Resources Inc only | Baldwin (Baldwin, Lower) | Nueces | 1 | 10.4K | 6.39K | by Jan 1993 – Jun 2024 |
| Call O-4-12005 | Shoreline Production Serv., Inc. only | White Point, East (State) | Nueces | 1 | 8.47K | 15.4K | by Jan 1993 – Feb 1997 |
| Cody O-4-13004 | Proline Energy Resources Inc only | Baldwin (2100) | Nueces | 1 | 7.95K | 0 | Nov 2000 – Oct 2019 |
| Amoco Baldwin O-4-14025 | Proline Energy Resources Inc only | Baldwin (3820) | Nueces | 1 | 5.79K | 0 | Jun 2015 – Jun 2026 |
| Berryman et al, Gas Unit G-4-185572 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 5.27K | 579K | Oct 2001 – Jul 2026 |
| Countiss, Sam O-4-13080 | Proline Energy Resources Inc only | Baldwin (3070 Lagarto) | Nueces | 2 | 3.57K | 45.5K | Jan 2002 – Jun 2026 |
| Cody-Gallagher G-4-277550 | Proline Energy Resources Inc only | Baldwin (8480) | Nueces | 1 | 2.73K | 267K | Mar 2015 – Aug 2024 |
| B. Gallagher 1 GU G-4-204178 | Proline Energy Resources Inc only | Baldwin (9300) | Nueces | 1 | 1.4K | 44.7K | Jul 2004 – Jan 2012 |
| Gallagher "A" O-4-13099 | Proline Energy Resources Inc only | Baldwin (Baldwin, Lower) | Nueces | 1 | 1.32K | 0 | Jul 2002 – Sep 2009 |
| State Tract 786 G-4-56466 | Shoreline Production Serv., Inc. only | Indian Point (F-20) | Nueces | 1 | 1.15K | 122K | by Jan 1993 – Jul 1996 |
| B. Gallagher 1 GU G-4-280703 | Proline Energy Resources Inc only | Baldwin (7400) | Nueces | 1 | 900 | 97.6K | Jun 2016 – Aug 2024 |
| Countiss, Sam G-4-182643 | Proline Energy Resources Inc only | Baldwin (2400) | Nueces | 1 | 830 | 127K | Apr 2001 – Jul 2009 |
| Baldwin, J. C. G-4-126439 | Proline Energy Resources Inc only | Baldwin (7000) | Nueces | 1 | 248 | 403K | by Jan 1993 – Sep 2013 |
| Baldwin, J. C. G-4-175729 | Proline Energy Resources Inc only | Baldwin (2830 Lagarto) | Nueces | 1 | 139 | 247K | Dec 1999 – Jul 2019 |
| State Tract 786 O-4-11785 | Shoreline Production Serv., Inc. only | Indian Point (E-10) | Nueces | 1 | 10 | 0 | Jun 1998 – Jun 1998 |
| Countiss, Sam G-4-188707 | Proline Energy Resources Inc only | Baldwin (2100) | Nueces | 1 | 4 | 12.7K | Apr 2002 – Jan 2009 |
| Gallagher, J.w."b" G-4-133946 | Proline Energy Resources Inc only | Baldwin (2900) | Nueces | 1 | 0 | 670 | by Jan 1993 – Feb 1993 |
| State Tract 786 G-4-10983 | Shoreline Production Serv., Inc. only | Indian Point (F-12 9700 #2) | Nueces | 1 | 0 | 0 | — |
| Call G-4-140285 | Shoreline Production Serv., Inc. only | White Point, East (Het) | Nueces | 1 | 0 | 0 | — |
| State Tract 786 O-4-7699 | Shoreline Production Serv., Inc. only | Indian Point (E- 1) | Nueces | 1 | 0 | 0 | — |
| Baldwin, J. C. G-4-180075 | Proline Energy Resources Inc only | Baldwin (2400) | Nueces | 1 | 0 | 95.8K | Jun 2000 – May 2004 |
| Baldwin G-4-181275 | Proline Energy Resources Inc only | Baldwin (2400) | Nueces | 1 | 0 | 125K | Nov 2000 – Jan 2009 |
| Countiss, Sam G-4-185239 | Proline Energy Resources Inc only | Baldwin (2500) | Nueces | 1 | 0 | 95.5K | Aug 2001 – Jan 2009 |
| Countiss, Sam G-4-186798 | Proline Energy Resources Inc only | Baldwin (3150 Lagarto) | Nueces | 1 | 0 | 44.4K | Dec 2001 – Apr 2005 |
| Countiss, Sam G-4-188595 | Proline Energy Resources Inc only | Baldwin (2900) | Nueces | 1 | 0 | 99.2K | Mar 2002 – Nov 2004 |
| Gallagher, J.W. G-4-116465 | Proline Energy Resources Inc only | Baldwin (2400) | Nueces | 1 | 0 | 78.2K | by Jan 1993 – Jun 2000 |
| Countiss, Sam G-4-183440 | Proline Energy Resources Inc only | Baldwin (2400) | Nueces | 1 | 0 | 131K | Feb 2001 – Jul 2007 |