| Pipkin, S. W. -A- O-3-1540 | Fig Ridge (Seabreeze) | Chambers | 15 | 1.19M | 2.63M | Jan 1993 – Apr 2026 |
| Stewart, Maco -a- 300 O-3-1631 | Gillock (Big Gas) | Galveston | 9 | 1.02M | 243K | Jan 1993 – Apr 2026 |
| Hemus-Braden Unit O-3-22412 | Chenango (9100) | Brazoria | 2 | 153K | 45K | May 1994 – Apr 2026 |
| Ryan-Allison-Bowman O-3-13421 | Manvel (Miocene 3300) | Brazoria | 1 | 118K | 2.66K | Jan 1993 – Apr 2026 |
| Stewart, Maco /a/ 390 O-3-1633 | Gillock (Big Gas) | Galveston | 11 | 105K | 732K | Jan 1993 – Apr 2026 |
| Acom O-3-6236 | Fig Ridge (Seabreeze) | Chambers | 2 | 90.9K | 399K | Jan 1993 – Apr 2026 |
| Ryan, Britton O-3-17950 | Manvel, E. (Miocene 3300) | Brazoria | 1 | 57.4K | 1.01K | Jan 1993 – Apr 2026 |
| Davis, Elsie F. Trustee O-3-16126 | Manvel, E. (Miocene 3300) | Brazoria | 1 | 56K | 9.14K | Jan 1993 – Apr 2026 |
| Davis, E F O-3-24670 | Manvel, E. (Oakville #3) | Brazoria | 1 | 46.2K | 9.75K | Apr 2005 – Apr 2026 |
| Stewart, Maco "a" #9 O-3-27429 | Gillock | Galveston | 1 | 3.53K | 0 | Jul 2018 – Nov 2024 |
| Acom -A- O-3-24784 | Willow Slough,n.(nodosaria 9500) | Chambers | 1 | 287K | 778K | Oct 2005 – Sep 2024 |
| Dishman-Lucas O-3-20363 | Stowell | Chambers | 2 | 81.1K | 136K | Jan 1993 – Aug 2024 |
| Hankamer, E. C. O-3-10641 | Stowell (Miocene 6250) | Chambers | 2 | 58.4K | 22.9K | Jun 1996 – Aug 2024 |
| Acom, O. H. O-3-22946 | Seabreeze | Chambers | 1 | 36.1K | 132K | Apr 1996 – Aug 2024 |
| Hankamer O-3-23458 | Stowell (Miocene 6430) | Chambers | 1 | 11.8K | 0 | Feb 1998 – Aug 2024 |
| Smith, Clara C. O-3-1542 | Fig Ridge (Seabreeze) | Chambers | 2 | 225K | 335K | Jan 1993 – Jun 2024 |
| Biggs, et Al O-3-26086 | Turtle Bayou (Marg. Frio-2) | Chambers | 1 | 22.1K | 53.1K | Jul 2011 – Jun 2023 |
| Seabreeze Land Company O-3-23293 | Seabreeze | Chambers | 1 | 550 | 3.18K | Aug 1997 – Dec 2022 |
| Smith, Clara O-3-23294 | Fig Ridge (F-2) | Chambers | 1 | 14.7K | 34K | Jul 1997 – Nov 2022 |
| Seabreeze Land Company O-3-27738 | Seabreeze (Marg. 7 FB B) | Chambers | 1 | 90 | 41 | Jan 2019 – Nov 2022 |
| Seabreeze Land Company O-3-27521 | Seabreeze (Frio 8300 #2) | Chambers | 1 | 71 | 0 | Jan 2019 – Nov 2022 |
| Smith, Clara C. O-3-24570 | Fig Ridge (Frio Second) | Chambers | 1 | 40 | 10 | Apr 2019 – Jul 2022 |
| Oryx-Sun Fee O-3-24725 | Seabreeze (8600) | Chambers | 1 | 1.04K | 17.2K | Jul 2005 – Feb 2022 |
| Pipkin, S. W. -A- O-3-27711 | Fig Ridge (Marginulina) | Chambers | 1 | 11 | 0 | Jul 2019 – Jan 2022 |
| Aisd/Abraham No. 1 O-3-24786 | Rowan, N. (Frio, Upper) | Brazoria | 1 | 10K | 12 | Nov 2005 – Oct 2020 |
| Davis, Elsie F. Trustee O-3-20985 | Manvel (Miocene -B-, Upper) | Brazoria | 1 | 25.4K | 9.14K | Jan 1993 – Feb 2004 |
| Davis, Elsie F., Tr. O-3-7717 | Manvel, E. (Oakville #3) | Brazoria | 2 | 16.2K | 4.93K | Jan 1993 – Jan 2001 |
| Hebert & Broussard -A- O-3-24465 | Willow Slough | Chambers | 1 | 0 | 0 | — |
| Stewart, Maco #7 O-3-23250 | Gillock | Galveston | 1 | 0 | 0 | — |
| Wakefield, C.L. Trustee O-3-24733 | Willow Slough (Frio 2) | Chambers | 1 | 0 | 0 | — |
| Hankamer, et Al O-3-25438 | Turtle Bayou (Marg. Frio-2) | Chambers | 1 | 0 | 0 | — |
| Seabreeze Land Co. O-3-18526 | Seabreeze (Nod., Upper 10000) | Chambers | 2 | 0 | 0 | — |