| Texaco Fee- Guerra "A" O-4-12810 | Roma | Starr | 1 | 194K | 332K | Sep 1998 – Jul 2026 |
| Brock, J. D. -A- O-4-3493 | LA Union (Brock Sand) | — | 3 | 50.9K | 128 | Jan 1993 – Jul 2026 |
| Brock, J. D. -A- O-4-3494 | LA Union (Ross Sand) | — | 2 | 42.3K | 128 | Jan 1993 – Jul 2026 |
| Share 91 O-4-13005 | Roma | Starr | 1 | 42.2K | 285K | Dec 2000 – Jul 2026 |
| Guerra Share 305-C O-4-8380 | Roma | Starr | 3 | 29.1K | 143K | Jan 1993 – Jul 2026 |
| Brock, J. D. -B- O-4-4345 | Ross, West (2700 Sand) | — | 2 | 25.1K | 143 | Jan 1993 – Jul 2026 |
| Flores, Salinas O-4-9033 | Sullivan City (4700) | Hidalgo | 1 | 6.7K | 1.96K | Jan 1993 – Jul 2026 |
| Guerra Share 20 Oil Unit O-4-9873 | Roma, East (Queen City) | Starr | 1 | 3.09K | 38.8K | Jan 1993 – Jul 2026 |
| Rivera, Isabel G-4-126235 | Sullivan City (Vicksburg, Lower) | Hidalgo | 1 | 0 | 339K | Jan 1993 – Jul 2026 |
| Escobar, Rodolfo NCT-1 G-4-143024 | Draco (Queen City 6700) | Starr | 1 | 0 | 946K | Jan 1993 – Jul 2026 |
| E. Escobar Gas Unit 1 G-4-156829 | Draco (Queen City 6700) | Starr | 1 | 0 | 350K | Nov 1995 – Jul 2026 |
| Texaco Fee G-4-161723 | Vuelta del Rio (C-2) | Starr | 1 | 0 | 516K | Oct 1996 – Jul 2026 |
| Rivera, Isabel G-4-170955 | Sullivan City (Vicksburg, 80-L) | Hidalgo | 1 | 0 | 536K | Aug 1998 – Jul 2026 |
| Texaco Fee Guerra "G" G-4-176285 | Roma | Starr | 1 | 0 | 1.59M | May 1999 – Jul 2026 |
| Garcia, Salvador "G" G-4-178520 | Volpe (5500) | Zapata | 1 | 0 | 339K | Jun 2000 – Jul 2026 |
| Texaco-Fee Guerra G G-4-179314 | Roma, W. (Queen City 6200) | Starr | 1 | 0 | 512K | Aug 2000 – Jul 2026 |
| E. Escobar Gas Unit I G-4-198852 | Draco (Queen City 6700) | Starr | 1 | 0 | 842K | Dec 2003 – Jul 2026 |
| Garcia, Salvador G-4-269210 | Cinco de Mayo (Consolidated) | Zapata | 1 | 0 | 175K | Oct 2011 – Jul 2026 |
| Garcia, Salvador "G" G-4-275294 | Cinco de Mayo (Consolidated) | Zapata | 1 | 0 | 53K | Apr 2014 – Jul 2026 |
| Brock G-4-279535 | Ross, N. (1580) | Starr | 1 | 0 | 0 | Feb 2016 – Jul 2026 |
| Guzman G-4-282121 | Garcia (Vela -A-) | Starr | 1 | 0 | 6.52K | Feb 2017 – Jul 2026 |
| Brock, J. D. -A- G-4-296919 | LA Union (Frio) | Starr | 1 | 0 | 0 | Jun 2022 – Jul 2026 |
| Spires, L. R. G-8-56105 | Nena Lucia (Strawn Reef) | — | 1 | 0 | 169K | Jan 1993 – Jul 2026 |
| Spires, L. R. G-8-56107 | Nena Lucia (Strawn Reef) | — | 1 | 0 | 375K | Jan 1993 – Jul 2026 |
| Shepherd-Star G-13-203317 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 1.53M | Jun 2004 – Jul 2026 |
| Aaron-Star G-13-209551 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 823K | Apr 2005 – Jul 2026 |
| RSK-Star G-13-214861 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 1.31M | Dec 2005 – Jul 2026 |
| RSK-Star G-13-223717 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 261K | Apr 2006 – Jul 2026 |
| RSK-Star Vaughn Unit G-13-244849 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 966K | Jun 2006 – Jul 2026 |
| Guerra Share 305-D O-4-8463 | Roma | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Joshua G-2-280153 | Coletto Creek, South (4000) | Victoria | 1 | 0 | 4.39K | Feb 2015 – Jul 2026 |
| Miguel O-4-13891 | Garcia (Miller -C- 1) | Starr | 1 | 0 | 0 | Oct 2014 – Jul 2026 |
| Dietzel G-2-284287 | Pridham Lake (4210) | Victoria | 1 | 0 | 346K | Feb 2018 – Jul 2026 |
| Joshua G-2-284941 | Cologne (4600) | Victoria | 1 | 0 | 84.5K | Jun 2018 – Jul 2026 |
| Ekstrum G-2-285565 | Pridham Lake (1560) | Victoria | 1 | 0 | 39.4K | Aug 2018 – Jul 2026 |
| Guerra Share 331-C G-4-87797 | Roma | Starr | 1 | 0 | 261K | Jan 1993 – Jul 2026 |
| Escobar, E. Gas Unit No. 1 G-4-96786 | Draco (Queen City 6700) | Starr | 1 | 0 | 930K | Jan 1993 – Jul 2026 |
| Saenz, G.F. G-4-106821 | Sullivan City (Vicksburg, Lower) | Starr | 1 | 0 | 397K | Jan 1993 – Jul 2026 |
| Saenz, G.F. G-4-115132 | Sullivan City (Garza) | Hidalgo | 1 | 0 | 383K | Jan 1993 – Jul 2026 |