| Bonner G-3-197758 | South Texas Operating Company only | Nolte Marsh (Yegua 13000) | Liberty | 1 | 839K | 1.91M | May 2003 – Apr 2010 |
| Greenwich NE 3130 G-10-283481 | Northstar Resources, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 405K | 5.46M | Feb 2018 – Aug 2026 |
| Greenwich NW 3130 G-10-283158 | Northstar Resources, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 383K | 2.43M | Mar 2018 – Aug 2026 |
| Greenwich NW 3130 G-10-284317 | Northstar Resources, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 195K | 4.16M | Mar 2019 – Aug 2026 |
| Hebert, B. C. Heirs G-3-193923 | Rutherford Oil Corporation only | Taylor Bayou, E. (10,130) | Jefferson | 1 | 134K | 2.32M | Nov 2002 – Jun 2007 |
| Hamill Estate G-3-140785 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 130K | 10.7M | by Jan 1993 – Aug 2026 |
| Sweeney Gas Unit #1 G-3-35629 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 106K | 10.1M | by Jan 1993 – Aug 2026 |
| Sharman Gas Unit No. 1 G-3-33420 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 89.5K | 6.88M | Feb 1993 – Jun 2024 |
| Hamill Gas Unit #1 G-3-149628 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 84.6K | 2.42M | Nov 1993 – Aug 2026 |
| Hamill G. U. #3 G-3-40559 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 73.6K | 1.66M | by Jan 1993 – Aug 2026 |
| Graves Estate(wilcox)gas Unit #1 G-3-154137 | EOG Resources, Inc. only | Milton, N. (13000) | Harris | 1 | 73.1K | 2.12M | Oct 1994 – Aug 2003 |
| Hamill Gas Unit #1 G-3-39890 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 72.5K | 1.89M | by Jan 1993 – Aug 2026 |
| George 130 HMH G-14-267093 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 69.7K | 496K | May 2012 – May 2026 |
| Hamill Estate G-3-155954 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 62.1K | 5.51M | Aug 1994 – Aug 2026 |
| Graves Unit "B" G-3-149888 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 59.2K | 4.53M | Jan 1994 – Aug 2026 |
| Lincoln Properties Gas Unit 1 G-3-175119 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 52.1K | 4.89M | Jun 1999 – Aug 2026 |
| Sweeney GU #2 G-3-179756 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 50.6K | 5.51M | Aug 2000 – Aug 2026 |
| St. George Gas Unit G-3-168733 | Ventex Operating Corp. only | Rusty (13000) | Matagorda | 1 | 49.3K | 3.16M | Jan 1998 – Nov 2004 |
| La Blanca Gas Unit G-4-167196 | Proline Energy Resources Inc only | La Blanca (Frio 11300) | Hidalgo | 1 | 39.5K | 2.43M | Feb 1998 – Apr 2002 |
| McElroy Ranch Co. 130 G-9-163251 | Apache Corporation only | Wilshire (Consolidated) | Upton | 1 | 38.5K | 2.55M | May 1997 – Aug 2026 |
| Geffert Gas Unit No. 2 G-2-112470 | Sandel Operating Company only | Fant, S. (Wilcox 11300) | Live Oak | 1 | 36.7K | 1.82M | by Jan 1993 – Aug 2026 |
| Devon Fee G-3-201831 | Bluestem Natural Gas LLC only | Four Corners (13000) | Brazoria | 1 | 33.7K | 4.12M | Feb 2004 – Aug 2026 |
| Pawlik GU1 G-2-176660 | Sandel Operating Company only | Fant, S. (Wilcox 11300) | Live Oak | 1 | 33.3K | 4.29M | Feb 2000 – Aug 2026 |
| McElroy Ranch Co. #130 G-9-149594 | XTO Energy Inc. only | Wilshire (Consolidated) | Upton | 1 | 30.6K | 3.11M | May 1994 – Oct 2008 |
| Blake, T. W. G-3-155737 | Enpower Resources Inc. only | Dean Lake (Wilcox 13000 Herb) | Montgomery | 1 | 29.7K | 2.11M | Aug 1995 – May 2022 |
| McElroy Ranch Co. "130" G-9-179272 | Apache Corporation only | Wilshire (Consolidated) | Upton | 1 | 28.9K | 2.73M | Aug 2000 – Aug 2026 |
| McElroy Ranch Co. #130 G-9-157206 | XTO Energy Inc. only | Wilshire (Consolidated) | Upton | 1 | 26.6K | 2.92M | Jan 1996 – Aug 2022 |
| McElroy Ranch Co. 130 G-9-162657 | Apache Corporation only | Wilshire (Consolidated) | Upton | 1 | 19.3K | 1.45M | Mar 1997 – Aug 2022 |
| Hamill Gas Unit #2 G-3-40188 | EOG Resources, Inc. only | Milton, N. (13000) | Harris | 1 | 19.3K | 334K | Sep 1993 – Mar 2000 |
| McElroy Ranch Co. #130 G-9-42385 | XTO Energy Inc. only | Wilshire (Consolidated) | Upton | 1 | 19K | 2.01M | by Jan 1993 – Apr 2022 |
| Busch Gas Unit O/A G-3-157012 | Kaiser-Francis Oil Company only | Milton, N. (13000) | Harris | 1 | 18.6K | 2M | Jun 1995 – Mar 2007 |
| Raynor G-3-201507 | Bluestem Natural Gas LLC only | Four Corners (13000) | Brazoria | 1 | 17.8K | 3.87M | May 2004 – Oct 2020 |
| McElroy Ranch Co. #130 G-9-165218 | XTO Energy Inc. only | Wilshire (Consolidated) | Upton | 1 | 17.6K | 1.34M | Sep 1997 – Sep 2013 |
| Busch Gas Unit O/A G-3-157019 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 17.1K | 3.03M | Jul 1995 – Aug 2026 |
| Hartt G. U. 1 G-2-192162 | Hilcorp Energy Company only | Provident City (Wilcox 13000) | Lavaca | 1 | 17K | 4.33M | Aug 2001 – Nov 2018 |
| Ehrhardt, John, /Wilcox/ G.U. #1 G-3-41633 | Energy Transfer Company only | Milton, N. (13000) | Harris | 1 | 16.5K | 1.15M | by Jan 1993 – Apr 2016 |
| Busch G. U. G-3-39549 | Kaiser-Francis Oil Company only | Milton, N. (13000) | Harris | 1 | 16.1K | 1.37M | by Jan 1993 – Mar 2015 |
| Graves Unit "B" G-3-151237 | | Milton, N. (13000) | Harris | 1 | 15.3K | 1.36M | Aug 1994 – Mar 2006 |
| Sweeney Gas Unit #1 G-3-186889 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 12.4K | 2.02M | Sep 2001 – Aug 2026 |
| Lincoln Properties Gas Unit 1 G-3-164153 | EOG Resources, Inc. only | Milton, N. (13000) | Harris | 1 | 11.9K | 1.37M | Feb 1997 – Feb 2006 |
| USA-Raven Forest G-3-251202 | Raven Forest Operating, LLC only | Raven Forest (11300) | Montgomery | 1 | 10.7K | 1.37M | May 2009 – Aug 2026 |
| Neuhaus, E. T. G-2-181921 | Hilcorp Energy Company only | Provident City (Wilcox 13000) | Lavaca | 1 | 10.2K | 1.51M | Nov 2000 – Jun 2006 |
| Weil "130" Gas Unit G-4-195487 | Killam Oil Co., Ltd. only | Rich Hurt (Wx. Guerra) | Duval | 1 | 9.99K | 2.29M | Nov 2002 – Nov 2008 |
| Longfellow 130 G-10-203347 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.72K | 835K | Sep 2004 – Mar 2024 |
| Goldapp G-4-182011 | Dale Operating Company only | Alice, Deep, S. W. (8130) | Jim Wells | 1 | 9.37K | 762K | Dec 2000 – Jan 2005 |
| Hartt Gas Unit No. 1 G-2-203955 | Newfield Exploration Company only | Provident City (Wilcox 13000) | Lavaca | 1 | 9.04K | 730K | Jan 2004 – Jun 2010 |
| Lincoln Properties Gas Unit 1 G-3-174795 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 8.71K | 1.22M | Jun 1999 – Aug 2026 |
| A. Weil '130' Gas Unit G-4-200748 | Killam Oil Co., Ltd. only | Rich Hurt (Wx. Guerra) | Duval | 1 | 7.83K | 2.29M | Sep 2003 – Jun 2006 |
| Lilie G-3-300750 | Paloma Operating, LLC only | Daboval (7130) | Wharton | 1 | 7.54K | 208K | Jun 2025 – Aug 2026 |
| Brewster G-3-235007 | Square Mile Energy, L.L.C. only | Tidehaven, Deep (Frio 11300) | Matagorda | 1 | 7.11K | 711K | Feb 2008 – Nov 2010 |