| Green - Manning G-4-73236 | Zim-Ricaby (1400) | Starr | 1 | 0 | 32.1K | Jan 1993 – Mar 2011 |
| Seabury, Margaret Mrs. G-4-218827 | Ricaby | Starr | 1 | 0 | 108K | Aug 2006 – Nov 2010 |
| Ramirez G-4-247046 | Zim-Ricaby (2600) | Starr | 1 | 0 | 270 | Oct 2010 – Nov 2010 |
| Parks, W.S. et Al G-4-77351 | Zim-Ricaby (2600) | Starr | 1 | 0 | 12.2K | Mar 2007 – Feb 2009 |
| Green & Manning Gas Unit No. 1 G-4-15355 | Zim-Ricaby (2600) | Starr | 1 | 0 | 15.8K | Dec 1997 – Feb 2009 |
| Plumly, E. E. G-1-87935 | Plumly (Navarro) | Zavala | 1 | 0 | 36.2K | Jan 1993 – Oct 2008 |
| Plumly, E. E. G-1-93516 | Plumley (Olmos) | Zavala | 1 | 0 | 32.8K | Jan 1993 – Oct 2008 |
| Plumly, E. E. G-1-87934 | Plumly (Navarro) | Zavala | 1 | 0 | 2.4K | Jan 2008 – Jul 2008 |
| Parks, W. S., et Al G-4-15359 | Zim-Ricaby (2600) | Starr | 1 | 0 | 204 | Aug 2007 – Sep 2007 |
| Fuentes, J. R. et Al G-4-218826 | Ricaby | Starr | 1 | 645 | 4.52K | Aug 2006 – Mar 2007 |
| Parks, W. S., et Al G-4-12867 | Ricaby (1100) | Starr | 1 | 0 | 4.14K | Dec 1997 – Sep 2006 |
| McLean, Marrs G-4-39947 | Zim, West (1050) | Starr | 1 | 0 | 27.7K | Jan 1993 – Sep 2006 |
| Marrs-McLean G-4-36226 | Zim, West (1050) | Starr | 1 | 0 | 24.9K | Jan 1993 – Dec 2004 |
| Aderhold Unit G-4-105843 | San Carlos (FE-59 B) | Hidalgo | 1 | 9 | 66.7K | Jan 1993 – Nov 2004 |
| Robinette, J. C. G-4-190827 | Donna (Armstrong) | Hidalgo | 1 | 122 | 26.5K | Oct 1998 – Nov 2002 |
| Robinette, J.C. G-4-149007 | Donna (7100) | Hidalgo | 1 | 136 | 128K | Jan 1994 – Jun 2002 |
| Parks, W. S. et Al G-4-44467 | Zim-Ricaby (1400) | Starr | 1 | 0 | 566 | Dec 1997 – Apr 2002 |
| Parks, W. S., et Al G-4-36274 | Zim-Ricaby (2000) | Starr | 1 | 0 | 2.76K | Aug 1995 – Apr 2002 |
| Decker GU G-4-33336 | Ricaby (1100) | Starr | 1 | 0 | 12.4K | Jan 1993 – Apr 2002 |
| Hinojosa, M., -B- Roy. Acct. #1 G-4-12860 | Ricaby ( 800) | Starr | 1 | 0 | 489 | Dec 1997 – Apr 2002 |
| La Brisa Land & Cattle Co. G-4-12917 | Rincon (A-8) | Starr | 1 | 86 | 12.9K | Jan 1993 – Jan 2002 |
| Lammers, Maymie, Gas Unit G-4-10140 | Donna (Harrell) | Hidalgo | 1 | 4.03K | 77.8K | Jan 1993 – Sep 2001 |
| La Brisa Land & Cattle Co. G-4-12916 | Rincon (Vicksburg Cons.) | Starr | 1 | 159 | 17.5K | Jan 1993 – Sep 2001 |
| Seabury, F.W. Est G-4-74075 | Zim-Ricaby (1100) | Starr | 1 | 0 | 9.2K | Jan 1993 – Sep 2001 |
| Robinette, J.C. G-4-161498 | Donna (Julie) | Hidalgo | 1 | 2.1K | 83.3K | Nov 1996 – Aug 1998 |
| Seabury,f.w. Est. Of G-4-74782 | Zim, West ( 830) | Starr | 1 | 0 | 93 | Dec 1997 – Jun 1998 |
| Aderhold Unit G-4-13884 | San Carlos (FD-93) | Hidalgo | 1 | 112 | 72K | Jan 1993 – Jul 1997 |
| Exxon Speer Fee G-4-66981 | White Point, East (2200) | San Patricio | 1 | 0 | 1.45K | Jun 1994 – May 1997 |
| Schuster G-4-131688 | Los TORRITOS,N.E.(6800) | Hidalgo | 1 | 8 | 46.4K | Jan 1995 – Oct 1995 |
| Aderhold Unit G-4-105554 | San Carlos (6970) | Hidalgo | 1 | 5 | 21.2K | Jan 1993 – Sep 1995 |
| Exxon-Speer Fee G-4-84109 | White Point, E. (1400) | San Patricio | 1 | 0 | 1.66K | Jan 1993 – Mar 1994 |
| Aderhold Unit G-4-145215 | San Carlos (FE-59) | Hidalgo | 1 | 56 | 56.4K | Feb 1993 – Jan 1994 |
| Aderhold Unit G-4-13913 | San Carlos (FF- 2) | Hidalgo | 1 | 0 | 0 | — |
| Aderhold Unit G-4-13906 | San Carlos (FE-81) | Hidalgo | 1 | 0 | 0 | — |
| Hinojosa, M., -B- Roy Acct. #1 G-4-22871 | Ricaby (1550 Frio) | Starr | 1 | 0 | 0 | — |
| Ricaby, S. B., Estate -G- G-4-35291 | Ricaby, South (1100) | Starr | 1 | 0 | 0 | — |
| Aderhold Unit G-4-35773 | San Carlos (FF-39) | Hidalgo | 1 | 0 | 0 | — |
| Aderhold Unit G-4-35774 | San Carlos (FF-18) | Hidalgo | 1 | 0 | 0 | — |
| Aderhold Unit G-4-35775 | San Carlos (FE-59) | Hidalgo | 1 | 0 | 0 | — |
| Green & Manning GU 2 G-4-36275 | Zim-Ricaby (2000) | Starr | 1 | 0 | 0 | — |
| Parks, W. S. G-4-36388 | Zim-Ricaby (1700) | Starr | 1 | 0 | 0 | — |
| Pena, Samuel, et Al G-4-36421 | Ricaby ( 800) | Starr | 1 | 0 | 0 | — |
| Parks, W. S. Etal G-4-44466 | Zim-Ricaby (1100) | Starr | 1 | 0 | 0 | — |
| Green & Manning Gas Unit 2 G-4-48419 | Ricaby | Starr | 1 | 0 | 0 | — |
| Ricaby, S. B., Estate G-4-55333 | Ricaby (1200) | Starr | 1 | 0 | 0 | — |
| Exxon Speer Fee G-4-78957 | White Point East (B-95) | San Patricio | 1 | 0 | 0 | — |
| Baird, Lillie Mae G-4-12865 | Ricaby (1100) | Starr | 1 | 0 | 0 | — |
| Aderhold Unit G-4-13923 | San Carlos (FF-33) | Hidalgo | 1 | 0 | 0 | — |