| McCabe Etal GU G-2-290271 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 519K | 6.22M | Jul 2020 – Apr 2026 |
| Cook-Kaiser GU G-2-292830 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 365K | 3.97M | Mar 2022 – Apr 2026 |
| Boedeker Etal GU G-2-293201 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 353K | 3.83M | Jul 2022 – Apr 2026 |
| McCabe Etal GU G-2-290827 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 296K | 3.76M | May 2021 – Apr 2026 |
| Boedeker Etal GU G-2-291707 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 253K | 2.5M | Sep 2021 – Apr 2026 |
| Boedeker Etal GU G-2-294749 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 220K | 2.1M | Mar 2023 – Apr 2026 |
| McCabe Etal GU G-2-295647 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 195K | 1.32M | Aug 2023 – Apr 2026 |
| Berger-Carnes G-3-168292 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 186K | 4.33M | May 1998 – Mar 2023 |
| Gold, Clarine G-3-215898 | Llewellin Operating Company, LLC only | Phase Four (10400 Yegua) | Wharton | 1 | 170K | 1.7M | Dec 2005 – Dec 2015 |
| McCabe Etal GU G-2-294204 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 158K | 2.05M | Mar 2023 – Apr 2026 |
| Linder Etal GU G-2-293645 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 151K | 1.57M | Oct 2022 – Apr 2026 |
| Foster Minerals G-3-132476 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 134K | 2.46M | Jan 1993 – Apr 2026 |
| McCabe Etal GU G-2-295750 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 132K | 2.04M | Aug 2023 – Apr 2026 |
| Martin G-2-259051 | Jamex, Inc. only | Clay West (Wilcox 10400) | Live Oak | 1 | 123K | 3.27M | Sep 2010 – Jun 2022 |
| Boedeker Etal GU G-2-297087 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 121K | 1.33M | Apr 2024 – Apr 2026 |
| McCabe Etal GU G-2-293026 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 109K | 1.31M | May 2022 – Apr 2026 |
| Fortensky, L. A-1104 G-6-179974 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 108K | 1.72M | Sep 2000 – Apr 2026 |
| Langham Unit G-3-281180 | White Stride LLC only | Argo-Hawk (10400 Sand) | Jefferson | 1 | 106K | 696K | May 2016 – Mar 2026 |
| Mercy Gas Unit G-3-172018 | Mueller Exploration, Inc. only | Mercy (10400 Wilcox) | San Jacinto | 1 | 102K | 1.2M | Jan 1999 – Apr 2026 |
| Cook-Kaiser GU G-2-296278 | Hurd Enterprises, Ltd. only | Sawfish (Wilcox 10400) | De Witt | 1 | 91.2K | 1.35M | Dec 2023 – Apr 2026 |
| Foster Minerals "D" G-3-168291 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 90.9K | 2.23M | May 1998 – Apr 2026 |
| Central Coal & Coke G-3-161707 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 85.1K | 2M | Dec 1996 – Apr 2026 |
| Farms, I. P. G-3-181539 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, N. (10400) | Brazoria | 1 | 79.2K | 1.96M | Dec 2000 – Oct 2023 |
| R4 Partners G-2-295643 | Kaler Energy Corp. only | Sawfish (Wilcox 10400) | De Witt | 1 | 77.6K | 955K | Aug 2023 – Mar 2026 |
| Central Coal & Coke G-3-135125 | | Mercy (10400 Wilcox) | San Jacinto | 1 | 71K | 948K | Jan 1993 – Jul 2006 |
| Patrick Hugh Burns G-2-254984 | Jamex, Inc. only | Clay West (Wilcox 10400) | Live Oak | 1 | 65.9K | 1.48M | Jan 2010 – Dec 2016 |
| Foster Lumber Co G-3-163249 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 61K | 1.27M | May 1997 – Apr 2026 |
| Campbell Gas Unit G-3-165228 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 51.4K | 904K | Jun 1997 – Apr 2026 |
| Park 104 G-14-278961 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 48.8K | 404K | Sep 2015 – Apr 2026 |
| Sinast Gas Unit G-2-223862 | Petrovybe Opco LLC only | Christmas, Deep (Wilcox 10400) | De Witt | 1 | 48.5K | 1.57M | Mar 2006 – Jul 2019 |
| Nelson, C. S. G-2-174924 | Sandel Operating Company only | George West, West (10430) | Live Oak | 1 | 47.5K | 958K | Jun 1999 – Aug 2025 |
| Iles G-3-211619 | Milagro Exploration, LLC only | Argo-Hawk (10400 Sand) | Jefferson | 1 | 45.5K | 348K | Jul 2005 – Nov 2006 |
| Nelson, C. S. G-2-217590 | Sandel Operating Company only | George West, West (10430) | Live Oak | 1 | 43.8K | 622K | Dec 2005 – Apr 2026 |
| Kaiser Gas Unit G-2-297677 | Kaler Energy Corp. only | Sawfish (Wilcox 10400) | De Witt | 1 | 42.5K | 654K | Jan 2024 – Mar 2026 |
| Tindol Unit G-2-111972 | Sandel Operating Company only | George West, West (10430) | Live Oak | 1 | 41.2K | 1.6M | Jan 1993 – Apr 2026 |
| Peebles G-2-200556 | Sandel Operating Company only | George West, West (10430) | Live Oak | 1 | 40.4K | 1.5M | Feb 2004 – Mar 2022 |
| Neal, James G-10-257528 | Breitburn Operating L.P. only | Coyanosa (Miss. 10475) | Pecos | 1 | 40.1K | 355K | Nov 2009 – May 2025 |
| Arco Sanger Estate G-2-113560 | Hydrocarbon Operating, Inc. only | Mountain View (Wilcox 10400) | Live Oak | 1 | 39.2K | 2.14M | Jan 1993 – Apr 2026 |
| Hirsch Estate 2104 B G-4-160492 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 38.6K | 3.31M | Oct 1996 – Jan 2017 |
| Berger Carnes Unit G-3-235004 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 35.3K | 1.24M | Sep 2007 – Apr 2024 |
| Sanger Estate G-2-159451 | Wagner Oil Company only | Mountain View (Wilcox 10400) | Live Oak | 1 | 27K | 1.05M | Jul 1996 – Oct 2022 |
| Scott Foundation 59 #5 Gas Unit G-1-144058 | Proline Energy Resources Inc only | Bonne Terre (10400) | McMullen | 1 | 18.7K | 1.24M | Jan 1993 – Aug 2025 |
| Langham Unit G-3-281876 | White Stride LLC only | Argo-Hawk (10400 Sand) | Jefferson | 1 | 18.5K | 125K | Feb 2017 – Mar 2026 |
| Effie Potts Sibley "B" G-10-243260 | XTO Energy Inc. only | Coyanosa (Miss. 10475) | Pecos | 1 | 17.8K | 1.87M | Aug 2008 – Jan 2026 |
| Zapalac Gas Unit G-3-233372 | Gulf Coast Acquisitions Co. L.C. only | Lario (10400) | Matagorda | 1 | 15.4K | 486K | Jan 2008 – Mar 2010 |
| Redelsperger 1043 G-14-262616 | Unbridled Resources, LLC only | Kiowa Creek (Cleveland) | Lipscomb | 1 | 15.3K | 1.11M | May 2011 – Aug 2020 |
| Friedrichs G-4-222646 | OXY USA Inc. only | Mission, West (Vicksburg 10400) | Hidalgo | 1 | 13.3K | 244K | Sep 2006 – Oct 2016 |
| NE Lario G-3-212364 | Sue-Ann Operating, L.C. only | Lario (10400) | Matagorda | 1 | 12.9K | 1.5M | Jun 2005 – Aug 2010 |
| Redelsperger 1043 G-14-266535 | Unbridled Resources, LLC only | Kiowa Creek (Cleveland) | Lipscomb | 1 | 11.7K | 1.91M | Dec 2011 – Apr 2026 |
| Olivarez-Van Dresar Unit G-4-193839 | Paladin Petroleum III, L.L.C. only | Heintz (Vicksburg 10400) | Hidalgo | 1 | 11.1K | 510K | Jan 2003 – Feb 2021 |