| State Tract 322 O-4-10610 | Lamar Oil & Gas, Inc. only | Stedman Island (8120 Frio) | Nueces | 3 | 552K | 755K | by Jan 1993 – Oct 2007 |
| State Tract 690/746 & 750 GU G-4-260767 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 524K | 2.66M | Mar 2011 – Aug 2026 |
| State Tract 348 O-4-12539 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 5-B) | Nueces | 1 | 352K | 259K | Mar 1996 – Oct 2017 |
| State Tract 750/750A GU G-4-232522 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 320K | 3.41M | Nov 2007 – Aug 2026 |
| State Tract 746A/750A GU G-4-260038 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 259K | 1.42M | Nov 2010 – Aug 2026 |
| State Tract 55-8 Unit G-4-270724 | White Marlin Operating Co, LLC only | Corpus Christi Bay, West (8700) | Nueces | 1 | 215K | 4.12M | Jul 2013 – Oct 2022 |
| State Tract 689-A G-4-98179 | Texas Petroleum Investment Co. only | Tule Lake | Nueces | 1 | 195K | 7.86M | by Jan 1993 – Aug 2026 |
| State Tract 690/746 & 750 GU G-4-264784 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 190K | 1.01M | Oct 2011 – Jul 2026 |
| State Tract 973 O-4-3287 | Green Exploration Company only | White Point, East | Nueces | 4 | 152K | 86.5K | by Jan 1993 – Sep 2017 |
| State Tract 470 O-4-12491 | Chaparral Energy, L.L.C. only | Mustang Island, W. ( 5-a Sd.) | Nueces | 1 | 151K | 392K | Aug 1995 – Oct 2012 |
| State Tract 706 O-4-13576 | Lamar Oil & Gas, Inc. only | Nueces Bay (11220) | Nueces | 1 | 150K | 516K | Oct 2009 – Jun 2019 |
| State Tract 284 G-4-214915 | Lamar Oil & Gas, Inc. only | Corpus Christi Bayou (K-7) | Nueces | 1 | 129K | 2.33M | Jun 2006 – May 2025 |
| State Tract 690/746 & 750 GU G-4-249323 | Energy Twenty Operating LLC only | Tule Lake (Frio Consolidated) | Nueces | 1 | 120K | 401K | Jun 2009 – Jan 2017 |
| State Tract 392 G-4-162688 | Boss Expl & Prod Corporation only | Red Fish Bay (Zone 53) | Nueces | 1 | 118K | 655K | Mar 1997 – Jul 2004 |
| State Tract 470 O-4-12545 | Chaparral Energy, L.L.C. only | Mustang Island, W. (6-B Sd.) | Nueces | 1 | 115K | 222K | Feb 1996 – Feb 2008 |
| State Tract 277 G-4-220454 | Cabot Oil & Gas Corporation only | Stedman Island (C-3) | Nueces | 1 | 110K | 7.86M | May 2006 – Dec 2008 |
| State Tract 308 G-4-179722 | TR Offshore, LLC only | Stedman Island (8120 Frio) | Nueces | 1 | 110K | 1.63M | Oct 2000 – Apr 2025 |
| State Tract 690/746 & 750 GU G-4-275285 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 106K | 1.05M | May 2014 – Aug 2026 |
| State Tract 348 O-4-13555 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 5-A) | Nueces | 1 | 106K | 176K | Mar 2009 – Oct 2017 |
| State Tract 706 GU G-4-270130 | Orx Resources, L.L.C. only | Nueces Bay (12150) | Nueces | 1 | 101K | 585K | Feb 2013 – Aug 2026 |
| State Tract 750/750A GU G-4-261702 | Orx Resources, L.L.C. only | Tule Lake (Frio Consolidated) | Nueces | 1 | 98K | 440K | Apr 2011 – Aug 2026 |
| State Tract 470 O-4-11888 | Bristol Resources Corporation only | Mustang Island, W.(20 Sd.) | Nueces | 2 | 89.8K | 240K | by Jan 1993 – Jan 1996 |
| State Tract 308 O-4-12640 | Cabot Oil & Gas Corporation only | Stedman Island (8120 Frio) | Nueces | 1 | 85K | 776K | Jan 1997 – Feb 2011 |
| State Tract 683 O-4-9905 | Southcoast Production Inc only | Nueces Bay, W. (4600) | Nueces | 3 | 82.7K | 113K | by Jan 1993 – Apr 2019 |
| Texas State Tract 72 G-4-92868 | Petro-Hunt, L.L.C. only | Marina (11200) | Nueces | 1 | 75.4K | 5.26M | by Jan 1993 – Oct 2012 |
| State Tract 392 G-4-218635 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 50-55 Cons.) | Nueces | 1 | 71.1K | 469K | Apr 2006 – Oct 2017 |
| State Tract 746A/750A GU G-4-258758 | Energy Twenty Operating LLC only | Tule Lake (Frio Consolidated) | Nueces | 1 | 64K | 426K | Oct 2010 – Mar 2016 |
| State Tract 15 O-4-12509 | Royal Production Company, Inc. only | Corpus Channel, NW. (M-1) | Nueces | 1 | 63.7K | 423K | Nov 1995 – Sep 2003 |
| State Tract 786 O-4-13411 | Alta Mesa Services, LP only | Indian Point (Upper Frio Cons.) | Nueces | 5 | 63.1K | 553K | Feb 2007 – Nov 2010 |
| East Flour Bluff State D O-4-12437 | Pittencrieff (Gulf Coast), Inc. only | Flour Bluff, East (C-67) | Nueces | 1 | 60.7K | 26.9K | Feb 1995 – Sep 1997 |
| State Tract 344 G-4-111396 | Cinco Natural Resources Corp. only | Redfish Bay, North (Zone 43) | Nueces | 1 | 60.5K | 2.25M | Jul 1998 – Dec 2016 |
| State Tract 348 G-4-246011 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 50-55 Cons.) | Nueces | 1 | 57.5K | 574K | Dec 2007 – Oct 2017 |
| State Tract 750/750A GU G-4-238487 | Amrwr, LLC only | Tule Lake (Frio Consolidated) | Nueces | 1 | 55.9K | 406K | Apr 2008 – Sep 2019 |
| State Tract 690 O-4-10469 | Lamar Oil & Gas, Inc. only | Nueces Bay (Sinton First Sand) | Nueces | 1 | 55.8K | 136K | by Jan 1993 – Jul 2007 |
| State Tract 750-A O-4-12360 | Magnum Producing, LP only | White Point, E. (6050) | Nueces | 1 | 47.3K | 4.94K | Jun 1994 – Aug 2019 |
| Texas State Tract 422 O-4-12726 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 8) | Nueces | 1 | 45.2K | 109K | Nov 1997 – Mar 2002 |
| State Tract 788 GU G-4-256287 | EOG Resources, Inc. only | Indian Point (Cheyenne) | Nueces | 1 | 45.2K | 2.3M | Mar 2010 – May 2013 |
| State Tract 749 G-4-256685 | EOG Resources, Inc. only | Indian Point (Frio Cons.) | Nueces | 1 | 44.8K | 2.3M | Mar 2010 – May 2018 |
| State Tract 61 Temporary Unit G-4-185577 | White Marlin Operating Co, LLC only | Marina (11200) | Nueces | 1 | 44.2K | 5.69M | Sep 2001 – Feb 2014 |
| East Flour Bluff State D O-4-12374 | Pittencrieff (Gulf Coast), Inc. only | Flour Bluff, East (2690) | Nueces | 2 | 44K | 23.2K | Aug 1994 – Sep 1996 |
| State Tract 348 G-4-44835 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 50-55 Cons.) | Nueces | 1 | 43K | 257K | Feb 2005 – Jan 2007 |
| State Tract 414 O-4-4194 | Cinco Natural Resources Corp. only | Red Fish Bay (Zone 9) | Nueces | 3 | 42.5K | 37.1K | by Jan 1993 – Oct 2001 |
| State Tract 786 O-4-13628 | Petro-Smith Operating LLC only | Indian Point (Frio Cons.) | Nueces | 5 | 42K | 92K | Dec 2010 – Oct 2017 |
| State Tract 786 G-4-127680 | Expro Engineering, Inc. only | Indian Point (F-18) | Nueces | 1 | 42K | 1.81M | by Jan 1993 – Apr 2004 |
| State Tract 49 G-4-106090 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, N-1,2,3) | Nueces | 1 | 41.8K | 2.33M | by Jan 1993 – Dec 2024 |
| State Tract 277 G-4-189878 | Cabot Oil & Gas Corporation only | Nuare (J-29) | Nueces | 1 | 41.4K | 5.38M | Jul 2002 – Feb 2005 |
| State Tract 52-7 Unit G-4-195038 | Sabco Operating Company only | Encinal Channel (FB-3B, M-4) | Nueces | 1 | 41.2K | 1.22M | Mar 2003 – Jul 2004 |
| State of Texas 390 O-4-12400 | Electragas, Inc. only | Red Fish Bay (Frio 7700) | Nueces | 2 | 40.1K | 97.3K | Jan 1994 – Aug 2026 |
| State Tract 55-8 Unit G-4-244996 | White Marlin Operating Co, LLC only | Corpus Christi Bay,w. (FB-B,k-8) | Nueces | 1 | 39.8K | 3.1M | Jun 2008 – Jul 2013 |
| State Tract 15 G-4-201321 | Royal Production Company, Inc. only | Corpus Channel, NW (Frio G-1) | Nueces | 1 | 31.2K | 427K | Apr 2004 – Jul 2011 |