| State Tract 12 G-4-139670 | TR Offshore, LLC only | Mesquite Bay (Frio G-1) | Aransas | 1 | 379K | 7.95M | by Jan 1993 – May 2025 |
| State Tract 13 G-4-164854 | TR Offshore, LLC only | Mesquite Bay (Frio MF-1) | Aransas | 1 | 357K | 3M | Oct 1996 – May 2025 |
| State Tract 9 G-4-147170 | TR Offshore, LLC only | Mesquite Bay (Frio G-1) | Aransas | 1 | 289K | 5.16M | Oct 1993 – May 2025 |
| State Tract 12 O-4-12613 | TR Offshore, LLC only | Mesquite Bay (Frio E) | Aransas | 1 | 248K | 881K | Jul 1996 – May 2025 |
| State Tract 279 O-4-11835 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "D") | Aransas | 3 | 186K | 1.21M | by Jan 1993 – Apr 2004 |
| Copano Bay State O-4-12391 | Tryall, Inc only | Fulton Beach, West (A-1) | Aransas | 5 | 170K | 346K | Sep 1994 – Oct 2014 |
| State Tract 19 O-4-13678 | TR Offshore, LLC only | Mesquite Bay (Frio E) | Aransas | 1 | 135K | 160K | Nov 2010 – Feb 2016 |
| State Tract 280 O-4-11751 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "D") | Aransas | 1 | 131K | 446K | by Jan 1993 – Apr 2011 |
| State Tract 94 G-4-248079 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-B-Frio Cons.) | Aransas | 1 | 91.5K | 2.14M | Dec 2008 – May 2025 |
| State Tract 12 G-4-142964 | Chaparral Energy, L.L.C. only | Mesquite Bay (Frio G-1) | Aransas | 1 | 90.3K | 1.28M | by Jan 1993 – May 1996 |
| State Tract 142 G-4-228944 | Lamar Oil & Gas, Inc. only | Nine Mile Point (Consol. Fld.) | Aransas | 1 | 88.4K | 1.95M | Apr 2007 – Jul 2019 |
| State Tract 80 G-4-237417 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (TX Miss C) | Aransas | 1 | 81.3K | 2.82M | Apr 2008 – Jun 2018 |
| State Tract 84 O-4-9935 | Lamar Oil & Gas, Inc. only | Goose Island (D-1) | Aransas | 1 | 80.4K | 154K | May 1994 – Jul 2024 |
| State Tract 94 O-4-13468 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-B, M- 4) | Aransas | 1 | 79.3K | 563K | Mar 2008 – Dec 2022 |
| State Tract 96 O-4-12291 | Cimarex Energy Co. of Colorado only | Copano Bay, S. (FB-A, H A,lo.) | Aransas | 1 | 59.5K | 396K | Jan 1994 – Jul 2003 |
| State Tract 278 B O-4-12334 | North Central Oil Corp. only | Conn Brown Harbor (Frio "E" FB-B | Aransas | 1 | 59.2K | 221K | Feb 1994 – Mar 1996 |
| State Tracts 95 & 96 O-4-12176 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-a, H,lower) | Aransas | 1 | 58.6K | 222K | Mar 1993 – Jul 2001 |
| Copano Bay State O-4-13557 | Tryall, Inc only | Fulton Beach, West (LWR G) | Aransas | 1 | 58.1K | 98.2K | Sep 2008 – Oct 2014 |
| State Tract 279 G-4-164696 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "C") | Aransas | 1 | 56.5K | 384K | Aug 1997 – Apr 2003 |
| State Tract 169 O-4-8884 | Petro-Guard Production,l.l.c. only | Nine Mile Point, West (P-1) | Aransas | 1 | 55.8K | 33.8K | by Jan 1993 – Oct 2000 |
| State Tract 96 G-4-204685 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-a, H,upper) | Aransas | 1 | 53.3K | 827K | Oct 2004 – Jan 2024 |
| State Tract 279 O-4-13154 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "C") | Aransas | 1 | 53.1K | 423K | May 2003 – Aug 2017 |
| State Tract 81-82 Unit G-4-221259 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (Frio TX Miss) | Aransas | 1 | 45.4K | 2.51M | Apr 2006 – May 2025 |
| State Tract 84 O-4-9247 | Lamar Oil & Gas, Inc. only | Goose Island (C SD, Lo.) | Aransas | 2 | 40.9K | 46.1K | by Jan 1993 – Feb 2017 |
| State Tract 279 O-4-12048 | North Central Oil Corp. only | Conn Brown Harbor (Frio "C") | Aransas | 1 | 37.5K | 916K | by Jan 1993 – Apr 1997 |
| State Tract 125 G-4-198587 | Lamar Oil & Gas, Inc. only | Bartell Pass (Frio M) | Aransas | 1 | 37.3K | 1.6M | Sep 2003 – Jun 2024 |
| Conn Brown-State B - G Sand Unit G-4-256497 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "D") | Aransas | 1 | 33.4K | 563K | May 2010 – Aug 2017 |
| Conn-Brown-State-G Sand Unit O-4-13258 | Tema Oil and Gas Company only | Conn Brown Harbor (Frio "E" FB-B | Aransas | 1 | 32.1K | 986K | Sep 2004 – Apr 2010 |
| State Tract 62 G-4-284931 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-G, 03) | Aransas | 1 | 28.1K | 859K | Jul 2017 – May 2025 |
| State Tract 44 Unit G-2-256493 | Magnum Producing, LP only | Zoller (11,000) | Aransas | 1 | 24.8K | 72.2K | Jan 2010 – Mar 2012 |
| State Tract 62 G-4-245832 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (TX Miss C) | Aransas | 1 | 22.9K | 801K | Jul 2008 – Feb 2015 |
| State Tract 83 O-4-8748 | Hunt Oil Company only | Goose Island (C SD, Lo.) | Aransas | 3 | 22.5K | 27.9K | by Jan 1993 – Nov 1996 |
| State Tract 278 "A" G-4-149044 | Tema Oil and Gas Company only | Conn Brown Barbor (Frio "D" FB-C | Aransas | 1 | 21.9K | 1.17M | Feb 1994 – Mar 2005 |
| State Tract 95 & 96 O-4-12847 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-a, J-3) | Aransas | 1 | 21.3K | 99.6K | Jul 1999 – Jan 2022 |
| State of Texas Unit G-4-9423 | Besco Operating, L.P. only | Blind Pass (Marginulina-Frio) | Aransas | 1 | 18.4K | 1.73M | Dec 1995 – Feb 2025 |
| State Tract 115 O-4-12996 | Genesis Producing Company, L.P. only | Copano Bay, S. (FB-B, M-11) | Aransas | 1 | 17.3K | 45.3K | Feb 2001 – May 2008 |
| State Tract 44 Unit O-2-10230 | Mustang E&P LLC only | Zoller (10,000) | Aransas | 2 | 16.4K | 29.7K | Apr 2012 – Jul 2025 |
| State Tract 125 G-4-142214 | Lamar Oil & Gas, Inc. only | Bartell Pass (Frio G) | Aransas | 1 | 13.4K | 683K | by Jan 1993 – Feb 1997 |
| State Tract 81 G-4-115081 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-D, 03) | Aransas | 1 | 12.3K | 1M | Jun 1993 – Mar 2006 |
| State Tract 62 G-4-277365 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-G, 04) | Aransas | 1 | 11.8K | 337K | Mar 2015 – Jun 2017 |
| State Tract 169 O-4-13009 | Lamar Oil & Gas, Inc. only | Nine Mile Point, West (Frio G) | Aransas | 1 | 11.7K | 230K | Jan 2001 – Feb 2004 |
| State Tract 44 Unit O-2-10896 | Magnum Producing, LP only | Zoller (11,000) | Aransas | 1 | 11.7K | 34.1K | Apr 2014 – Mar 2017 |
| State Tract 125 O-4-12646 | Lamar Oil & Gas, Inc. only | Bartell Pass (Frio D) | Aransas | 1 | 10.2K | 5.85K | Mar 1997 – Mar 2001 |
| State Tract 113 O-4-6737 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-a, J-3) | Aransas | 1 | 9.87K | 61.7K | by Jan 1993 – Nov 2022 |
| State Tract 142-154 G-4-287714 | Lamar Oil & Gas, Inc. only | Nine Mile Point (I-7) | Aransas | 1 | 9.55K | 156K | Aug 2019 – Jun 2024 |
| Texas State Tract 143 G-4-45176 | Petro-Hunt, L.L.C. only | Nine Mile Point (Consol. Fld.) | Aransas | 1 | 7.31K | 1.98M | by Jan 1993 – Sep 2012 |
| Copano Bay State G-4-147015 | Live Oak Reserves, Inc. only | Fulton Beach, W. (5100 Miocene) | Aransas | 1 | 6.84K | 914K | Oct 1993 – Oct 1999 |
| Copano Bay State G-4-159878 | Tryall, Inc only | Fulton Beach, West (A-1) | Aransas | 1 | 6.83K | 157K | Aug 1996 – Oct 2014 |
| State Tract 96 G-4-35835 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (FB-a, H,middle) | Aransas | 1 | 6.52K | 356K | by Jan 1993 – Apr 2016 |
| State Tract 96 O-4-5614 | Miresco, Inc. only | Copano Bay, S. (FB-a, I-4) | Aransas | 2 | 6.22K | 5.25K | by Jan 1993 – Dec 1993 |