| State Tract 904 Gas Unit O-4-13087 | G.O.M. St 904 (MT2 FB-B) | Nueces | 1 | 795K | 1.9M | May 2002 – Jul 2026 |
| State Tract 99 O-2-4219 | Mosquito Point (Frio I) | Calhoun | 3 | 341K | 563K | Jan 1993 – Jul 2026 |
| State Tract 12 O-4-12613 | Mesquite Bay (Frio E) | Aransas | 1 | 248K | 881K | Jul 1996 – Jul 2026 |
| State Tract 904 Gas Unit O-4-13079 | G.O.M. St 904 (MT-2) | Mustang IS-SB | 1 | 154K | 849K | Jan 2002 – Jul 2026 |
| State Tract 19 O-4-13678 | Mesquite Bay (Frio E) | Aransas | 1 | 135K | 160K | Nov 2010 – Jul 2026 |
| State Tract 99 O-2-11130 | Mosquito Point (Frio F) | Calhoun | 1 | 40.2K | 115K | Mar 2015 – Jul 2026 |
| State Tract 436 O-4-13476 | Mustang Island (13 Sand) | Nueces | 1 | 7.61K | 14.5K | Jun 2007 – Jul 2026 |
| 'Bull Redfish' Unit O-2-11235 | Panther Reef (Frio Cons.) | Calhoun | 1 | 195 | 2.48K | Nov 2015 – Jul 2026 |
| State Tract 901-S G-4-71731 | Block 901 (7750) | Mustang IS-SB | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| State Tract 773 L (NW/4) G-4-111650 | G. O. M. St-773-L (Frio 1-a SD) | Mustang IS-LB | 1 | 0 | 2.15K | Jan 1993 – Jul 2026 |
| State Tract 773L (NW/4) G-4-114988 | G.O.M. St-904 (9370) | Mustang IS-LB | 1 | 0 | 120K | Jan 1993 – Jul 2026 |
| State Tract 773-L (NW/4) G-4-115727 | G.O.M. St-904 (8800) | Mustang IS-LB | 1 | 0 | 459K | Jan 1993 – Jul 2026 |
| State Tract 746-L G-4-127705 | Mstg Isl 746-L (Marg Tex 10) | Mustang IS-LB | 1 | 0 | 30.3M | Jan 1993 – Jul 2026 |
| State Tract 904 Gas Unit G-4-136359 | G O M-St-904 (Frio 8200) | Mustang IS-SB | 1 | 0 | 1.9M | Jan 1993 – Jul 2026 |
| S. T. 773-L SW/4 G-4-136449 | G.O.M. St-904 (Frio Top) | Mustang IS-SB | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| S. T. 773-L SW/4 G-4-136450 | G.O.M. St-904 (Frio 1-A) | Mustang IS-SB | 1 | 0 | 13.1K | Jan 1993 – Jul 2026 |
| State Tract 12 G-4-139670 | Mesquite Bay (Frio G-1) | Aransas | 1 | 0 | 7.95M | Jan 1993 – Jul 2026 |
| State Tract No. 432 G-4-144229 | Mustang Island (10-6930) | Nueces | 1 | 0 | 279K | Jan 1993 – Jul 2026 |
| State Tract 9 G-4-147170 | Mesquite Bay (Frio G-1) | Aransas | 1 | 0 | 5.16M | Oct 1993 – Jul 2026 |
| State Tract 13 G-4-164854 | Mesquite Bay (Frio MF-1) | Aransas | 1 | 0 | 3M | Oct 1996 – Jul 2026 |
| Susser G-4-176443 | Shamrock Cove, E. (8150) | Nueces | 1 | 0 | 12.2M | Feb 2000 – Jul 2026 |
| State Tract 308 G-4-179722 | Stedman Island (8120 Frio) | Nueces | 1 | 0 | 1.63M | Sep 2000 – Jul 2026 |
| State Tract 885-S G-4-183356 | Block 885-S (5A Sand) | Nueces | 1 | 0 | 1.37M | Jan 2001 – Jul 2026 |
| State Tract 904 Gas Unit G-4-187348 | G.O.M. St-904 (12950 SD) | Nueces | 1 | 0 | 418K | Sep 2001 – Jul 2026 |
| State Tract 470 G-4-188751 | Mustang Island ( 7-A) | Nueces | 1 | 0 | 454K | Mar 2002 – Jul 2026 |
| St. 749-L S/2 NE/4 G-4-189504 | Mustang Island 749-L (13,900 SD) | Mustang IS-LB | 1 | 0 | 3.48M | Dec 2001 – Jul 2026 |
| State Tract 904 Gas Unit G-4-190449 | Wildcat | Nueces | 1 | 0 | 2.78M | May 2002 – Jul 2026 |
| State Tract 904 Gas Unit G-4-190784 | G.O.M. St 904 (12500 SD) | Mustang IS-SB | 1 | 0 | 928K | Jun 2002 – Jul 2026 |
| State Tract 520-L, NW/4 G-3-69259 | EL Gordo (Miocene) | — | 1 | 0 | 3.15K | Jan 1993 – Jul 2026 |
| State Tract 882-S North G-4-194967 | Wildcat | Mustang IS-SB | 1 | 0 | 0 | Dec 2002 – Jul 2026 |
| State Tract 904 Gas Unit G-4-197955 | G.O.M. St-904 (Frio 1-A) | Mustang IS-SB | 1 | 0 | 5.89M | Oct 2003 – Jul 2026 |
| State Tract 882-S G-4-201334 | Mstg. Isl. BLK 883-S (11700) | Mustang IS-SB | 1 | 0 | 793K | Jan 2004 – Jul 2026 |
| Davis G-4-203205 | Block 885-S (5A Sand) | Nueces | 1 | 0 | 0 | Aug 2004 – Jul 2026 |
| St TR 748-L Gas Unit G-4-211201 | Mstg. Isl. BLK 883-S (11700) | Mustang IS-LB | 1 | 0 | 188K | Mar 2005 – Jul 2026 |
| St TR 748-L Gas Unit G-4-211203 | G.O.M. 882-S (Marg Tex 2) | Mustang IS-LB | 1 | 0 | 0 | Mar 2005 – Jul 2026 |
| State Tract 904 Gas Unit G-4-225090 | G.O.M. St-904 (9370) | Mustang IS-SB | 1 | 0 | 190K | Jul 2006 – Jul 2026 |
| State Tract 431 G-4-256518 | Mustang Island (10-6930) | Nueces | 1 | 0 | 2.3M | Mar 2010 – Jul 2026 |
| State Tract 469 G-4-265104 | Mustang Island, W. (31-34 Sd. N) | Nueces | 1 | 0 | 5.33K | Dec 2010 – Jul 2026 |
| Susser et AL G-4-280603 | Mustang Island (Stray 10) | Nueces | 1 | 0 | 1.86M | Apr 2016 – Jul 2026 |
| S.T. 747-L SE/4 G-4-192472 | Mustang Island 747-L (13,600 SD) | Mustang IS-LB | 1 | 0 | 7.57M | Dec 2002 – Jul 2026 |
| State Tract 520-L, NW/4 G-3-70867 | EL Gordo (Miocene) | — | 1 | 0 | 397K | Jan 1993 – Jul 2026 |
| State Tract 520-L, NW/4 G-3-70868 | EL Gordo (Miocene) | — | 1 | 0 | 14M | Jan 1993 – Jul 2026 |
| State Tract 520-L, NW/4 G-3-71459 | EL Gordo (11800) | Matgrda IS-LB | 1 | 0 | 5.85M | Jan 1993 – Jul 2026 |
| St. Tr. 520-L, NW/4 G-3-75774 | EL Gordo (12100) | Matgrda IS-LB | 1 | 0 | 501K | Jan 1993 – Jul 2026 |
| State Tract 520-L, NE/4 G-3-75924 | EL Gordo (12300) | Matgrda IS-LB | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| State Tract 520-L, NE/4 G-3-127042 | EL Gordo (Miocene) | Matgrda IS-LB | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| State Tract 520L NW/4 G-3-202761 | EL Gordo (Miocene) | — | 1 | 0 | 37.8K | Jun 2004 – Jul 2026 |