| Margo O-4-13094 | Arroyo Grande (Queen City) | Starr | 7 | 349K | 699K | Aug 2002 – Jul 2026 |
| Gonzales O-4-13277 | Arroyo Grande (Queen City) | Starr | 3 | 140K | 646K | Nov 2004 – Jul 2026 |
| Arturo Perez Jr Oil Unit O-4-13409 | Alice, North (5150) | Jim Wells | 2 | 26.6K | 23.9K | Dec 2006 – Jul 2026 |
| Pena O-4-13490 | Arroyo Grande (Queen City) | Starr | 1 | 21.3K | 0 | Mar 2008 – Jul 2026 |
| 3 M South O-4-13680 | Arroyo Grande (Queen City) | Starr | 1 | 20.5K | 11.5K | Jul 2011 – Jul 2026 |
| Zertuche, F. O-4-8777 | Arroyo Grande (Queen City) | — | 1 | 12.2K | 7.78K | Jan 1993 – Jul 2026 |
| Gutierrez, Delia Oil Unit O-4-13463 | Alice, North (5150) | Jim Wells | 1 | 11.8K | 14.6K | Oct 2007 – Jul 2026 |
| Margo O-4-13778 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 718 | 4.23K | Oct 2012 – Jul 2026 |
| Margo "A" O-4-13784 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 200 | 149 | Jul 2013 – Jul 2026 |
| Margo, R.E. Estate G-4-224235 | Arroyo Grande (Queen City) | Starr | 1 | 0 | 208K | Oct 2006 – Jul 2026 |
| 3 M G-4-186626 | Arroyo Grande (Queen City) | Starr | 1 | 0 | 732K | Jan 2002 – Jul 2026 |
| Zertuche Unit G-4-277342 | Arroyo Grande (Queen City) | Starr | 1 | 0 | 104K | Feb 2015 – Jul 2026 |
| Arrieta Gas Unit G-4-282012 | Alice, North (4800) | Jim Wells | 1 | 0 | 72.3K | Dec 2016 – Jul 2026 |
| Margo 'A' G-4-276029 | Margo (C- 2200) | Starr | 1 | 0 | 125K | Sep 2014 – Jul 2026 |
| Margo "A" G-4-186800 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 0 | 1.02M | Dec 2001 – Jul 2026 |
| Margo "A" G-4-189893 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 0 | 544K | Jul 2002 – Jul 2026 |
| Margo "A" G-4-199599 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 0 | 122K | Nov 2003 – Jul 2026 |
| Margo "A" G-4-200449 | Margo (C- 2200) | Starr | 1 | 0 | 39.3K | Jan 2004 – Jul 2026 |
| 3 M G-4-207280 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 0 | 87.1K | Nov 2004 – Jul 2026 |
| Gonzales G-4-208230 | Margo (C- 2200) | Starr | 1 | 0 | 61.2K | Dec 2004 – Jul 2026 |
| Zamora G-4-208480 | Arroyo Grande (Queen City) | Starr | 1 | 0 | 345K | Feb 2005 – Jul 2026 |
| Margo R.E. Estate G-4-221286 | Arroyo Grande (Queen City) | Starr | 1 | 0 | 246K | Apr 2006 – Jul 2026 |
| Arrieta Gas Unit G-4-282013 | Alice, North (4800) | Jim Wells | 1 | 0 | 3.96K | Dec 2016 – Mar 2020 |
| Margo "A" G-4-198716 | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 0 | 344K | Nov 2003 – May 2019 |
| Margo "A" G-4-199169 | Margo (C- 2200) | Starr | 1 | 0 | 104K | Nov 2003 – Oct 2018 |
| Margo "A" G-4-198901 | Margo (C- 2200) | Starr | 1 | 0 | 8.74K | Nov 2003 – Apr 2018 |