| Garza, A. M.-State O-4-4103 | Shell Western E&P only | Rincon, N. (5800 Sand) | Starr | 2 | 29.6K | 82.5K | Jan 1993 – Sep 2000 |
| Garza, A. M.-State O-4-4100 | Shell Western E&P Inc. only | Rincon, N. (5750 Sand) | Starr | 1 | 13.5K | 57K | Jan 1993 – Feb 2000 |
| State Slick -C- O-4-5924 | Shell Western E&P only | Borosa, S. (Vicksburg 3-A) | Starr | 1 | 9.54K | 29 | Jan 1993 – Feb 2006 |
| Howell, J. J. G-4-72387 | Shell Western E&P Inc. only | Lacopita (Vicksburg Z 2) | Starr | 1 | 0 | 117K | Jan 1993 – Sep 1994 |
| Bentsen Bros. "B" G-4-72955 | Shell Western E&P Inc. only | La Copita (Vicksburg Z) | Starr | 1 | 0 | 0 | Jan 1993 – Jul 1994 |
| Martinez-State G-4-92978 | Shell Western E&P only | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 0 | 202K | Jan 1993 – Oct 2005 |
| State Slick "D" G-4-99981 | Shell Western E&P only | Hinde (Vicksburg Consolidated) | Starr | 1 | 0 | 14.6K | Jan 1993 – Jun 2008 |
| La Copita Gas Unit G-4-106343 | Shell Western E&P Inc. only | La Copita (Vicksburg Z) | Starr | 1 | 0 | 0 | Jan 1993 – Sep 1994 |
| SW Farm & Ranch - State of TX G-4-110316 | Shell Western E&P only | Hinde,west (Vicksburg-18) | Starr | 1 | 0 | 356K | Jan 1993 – Dec 2006 |
| Slick, T. B. Estate G-4-117053 | Shell Western E&P only | Hinde (Vicksburg Consolidated) | Starr | 1 | 0 | 76.1K | Jan 1993 – Dec 2006 |
| Davenport, O. H. Heirs G-4-120469 | Shell Western E&P only | Hinde, West (Vicksburg 8) | Starr | 1 | 0 | 0 | Jan 1993 – Dec 2006 |
| Rife, Thomas et al Gas Unit G-4-126903 | Shell Western E&P Inc. only | Rincon, North (Vicksburg 7900) | Starr | 1 | 0 | 0 | Jan 1993 – May 1994 |
| Judd Estate -State G-4-127684 | Shell Western E&P Inc. only | La Copita (Vicksburg U) | Starr | 1 | 0 | 0 | Jan 1993 – May 1993 |
| Garza, A.M. State G-4-128488 | Shell Western E&P Inc. only | Rincon, North (5900) | Starr | 1 | 0 | 0 | Jan 1993 – Apr 1993 |
| Davenport Heirs G-4-130354 | Shell Western E&P only | Hinde, West (Vicksburg 7600) | Starr | 1 | 0 | 0 | Jan 1993 – Dec 2006 |
| State Slick "D" G-4-136030 | Shell Western E&P only | Hinde, West (Vicksburg 7600) | Starr | 1 | 0 | 112K | Jan 1993 – Jul 2007 |
| Slick, T. B. Estate G-4-136881 | Shell Western E&P only | Hinde, West (Marker III Sd.) | Starr | 1 | 0 | 49.5K | Jan 1993 – Nov 2009 |
| Davenport, O. H. Heirs G-4-139401 | Shell Western E&P only | Hinde, West (Marker III Sd.) | Starr | 1 | 0 | 5.39K | Jan 1993 – Jun 2007 |
| Davenport, O. H. Heirs G-4-143013 | Shell Western E&P only | Hinde, West (Vicksburg 7) | Starr | 1 | 0 | 16.5K | Jan 1993 – Mar 2010 |
| Southwest Farm & Ranch G-4-146713 | Shell Western E&P only | Hinde, West (Vicksburg 7) | Starr | 1 | 0 | 32.6K | Sep 1993 – Oct 2010 |
| Slick, T.B. Estate G-4-154136 | Shell Western E&P only | Hinde (Vicksburg Consolidated) | Starr | 1 | 0 | 138K | Jan 1995 – Dec 2006 |
| State Slick "D" G-4-163624 | Shell Western E&P only | Borosa, S. (T-4) | Starr | 1 | 0 | 850K | Jun 1996 – Dec 2006 |
| State-Slick G-4-167529 | Shell Western E&P only | Wildcat | Starr | 1 | 0 | 218K | May 1996 – Dec 2006 |
| Southwest Farm & Ranch-State G-4-168572 | Shell Western E&P only | Hinde, West (Marker III Sd.) | Starr | 1 | 0 | 2.29M | Dec 1997 – Sep 2006 |
| T.B. Slick Estate G-4-170215 | Shell Western E&P only | El Ebanito (Vicksburg 11) | Starr | 1 | 0 | 263K | Sep 1997 – Dec 2006 |
| State Slick D G-4-172862 | Shell Western E&P only | El Ebanito (Vicksburg 11) | Starr | 1 | 0 | 203K | Jan 1999 – Dec 2006 |
| State of Texas Gas Unit #1 G-4-173496 | Shell Western E&P only | Borosa, S. (Vicksburg 8850) | Starr | 1 | 0 | 325K | Feb 1999 – Dec 2006 |
| Slick, T. B. Estate G-4-173913 | Shell Western E&P only | Hinde (Vicksburg Consolidated) | Starr | 1 | 0 | 79.7K | Feb 1999 – Dec 2006 |
| Bentsen Bros. "B" G-4-175496 | Shell Western E&P only | La Copita (Frio -E- 5300) | Starr | 1 | 0 | 31.7K | Dec 1999 – Apr 2000 |
| Garza, A. M.- State G-4-176427 | Shell Western E&P only | Rincon, N. (Vicksburg 6000) | Starr | 1 | 0 | 118K | Feb 2000 – Jul 2003 |
| Slick, T. B. Estate G-4-179133 | Shell Western E&P only | Borosa, S. (Vicksburg 3-a, UP) | Starr | 1 | 0 | 5.39K | Jun 2000 – Dec 2006 |
| State Slick "D" G-4-182600 | Shell Western E&P only | Borosa, S. (Vicksburg 8850) | Starr | 1 | 0 | 0 | Aug 2000 – Dec 2006 |
| Southwest Farm & Ranch G-4-186649 | Shell Western E&P only | El Ebanito (Vicksburg 11) | Starr | 1 | 0 | 462K | May 2001 – Dec 2006 |
| Slick, T. B. Estate G-4-187345 | Shell Western E&P only | El Ebanito (Vicksburg 11) | Starr | 1 | 0 | 7.53K | Dec 2001 – Dec 2006 |
| Slick, T. B. Estate G-4-191405 | Shell Western E&P only | El Ebanito (T-12) | Starr | 1 | 0 | 1.55M | Apr 2002 – Dec 2006 |
| Slick, T. B. Estate G-4-191583 | Shell Western E&P only | El Ebanito (Yegua) | Starr | 1 | 0 | 2.38M | Aug 2001 – Jan 2011 |
| Southwest Farm & Ranch G-4-193379 | Shell Western E&P only | Hinde, West (Marker III Sd.) | Starr | 1 | 0 | 0 | Nov 2002 – Dec 2006 |
| Slick, T. B. Estate G-4-196442 | Shell Western E&P only | Wildcat | Starr | 1 | 0 | 0 | Sep 2002 – Oct 2006 |
| T B Slick Estate G-4-197667 | Shell Western E&P only | El Ebanito (Yegua) | Starr | 1 | 0 | 710K | Jul 2003 – Sep 2010 |
| Slick, T. B. Estate G-4-205382 | Shell Western E&P only | El Ebanito (Yegua) | Starr | 1 | 0 | 1.68M | Sep 2004 – Oct 2010 |
| Emma Pena Gas Unit G-4-218959 | Shell Western E&P only | Lyda (Vicksburg Lower) | Starr | 1 | 0 | 807K | Apr 2006 – Jun 2009 |
| JFB Heard Estate G-4-237535 | Shell Western E&P only | Wildcat | Starr | 1 | 0 | 0 | Mar 2008 – Dec 2009 |
| Shell Conoco Fee G-4-246021 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 0 | 211K | Oct 2008 – Jul 2026 |
| Garza, A. M. - State O-4-3900 | Shell Western E&P Inc. only | Rincon, N. (Frio 5700) | Starr | 2 | 0 | 0 | Jan 1993 – Feb 2000 |
| Thomas, Mary S. O-4-4283 | Shell Western E&P Inc. only | Rincon, N. (Vicksburg 6000) | Starr | 1 | 0 | 0 | Jan 1993 – Oct 1997 |
| State-Slick -C- O-4-5417 | Shell Western E&P only | Borosa, S. (Vicksburg 3-B) | Starr | 2 | 0 | 0 | Jan 1993 – Feb 2006 |
| State-Slick -C- O-4-5418 | Shell Western E&P only | Borosa, S. (Vicksburg 2) | Starr | 2 | 0 | 0 | Jan 1993 – Feb 2006 |
| State Slick -C- O-4-5548 | Shell Western E&P only | Borosa, S. (Vicksburg 2 A) | Starr | 1 | 0 | 0 | Jan 1993 – Feb 2006 |
| Slick, T. B., Estate O-4-6219 | Shell Western E&P only | Hinde (Frio 18) | Starr | 2 | 0 | 0 | Jan 1993 – Feb 2006 |
| Slick, T. B., Est. O-4-6235 | Shell Western E&P only | Hinde (Frio 16) | Starr | 3 | 0 | 0 | Jan 1993 – Feb 2006 |