| Mach G-3-124945 | Hilcorp Energy Company | El Campo (Yegua) | 1 | 487K | 6.78M | by Jan 1993 – Aug 2006 |
| Duncan "A" G-3-180840 | Hilcorp Energy Company | Bonus, SW. (Wilcox) | 1 | 426K | 7.36M | Jan 2001 – Aug 2026 |
| McMillan Unit G-3-169272 | Carrizo Oil & Gas, Inc. | W. D. McMillan (Yegua 9650) | 1 | 381K | 2.61M | Jun 1998 – Mar 2003 |
| Pierce Estate "B" G-3-249561 | Ballard Exploration Company,inc. | Pierce Ridge (Yegua 12150) | 1 | 316K | 5.8M | Dec 2008 – Jun 2018 |
| Lange Gas Unit G-3-158255 | Cox & Perkins Exploration, Inc. | Phase Four (9370 Yegua) | 1 | 316K | 4.51M | Feb 1996 – Jun 1998 |
| Greer G-3-171377 | Texas Operating Partners LLC | Jones Creek, North (Wilcox) | 1 | 299K | 6.44M | Nov 1998 – Jan 2025 |
| Mechura, T. Gas Unit G-3-189830 | Hennig Production Co., Inc. | Prasifka (Yegua) | 1 | 280K | 609K | Aug 2002 – Apr 2020 |
| Frels G-3-175108 | Texas Operating Partners LLC | Jones Creek, North (Wilcox) | 1 | 276K | 4.88M | Jul 1999 – Jan 2025 |
| Taylor Family Partnership G/U G-3-176608 | Finley Resources, Inc. | Menefee (Yegua 9050) | 1 | 252K | 5.11M | Mar 2000 – Mar 2011 |
| Rasmussen G-3-146188 | Kerr-McGee Oil & Gas Onshore LP | Second Shot (Yegua) | 1 | 246K | 6.25M | Aug 1993 – Jun 1999 |
| Appling, Kathleen G/U G-3-177361 | Finley Resources, Inc. | Menefee (Yegua 8150) | 1 | 240K | 4.58M | Apr 2000 – Jul 2010 |
| Kubala G-3-196049 | Texas Operating Partners LLC | Jones Creek (Deep Wilcox) | 1 | 227K | 4.47M | Jul 2003 – Mar 2025 |
| Johnnie Mae Gas Unit G-3-158642 | Llewellin Operating Company, LLC | Phase Four (9560 Yegua) | 1 | 223K | 4.25M | Feb 1996 – Apr 2015 |
| Drastata G-3-199738 | Texas Operating Partners LLC | Jones Creek (Deep Wilcox) | 1 | 216K | 6.62M | Dec 2003 – Jan 2025 |
| Duson G-3-271513 | Transpacific Energy, LLC | Phase Four (9050 Yegua) | 1 | 216K | 4.85M | Nov 2013 – Aug 2026 |
| Duncan, F. B. G-3-233223 | Sandel Operating Company | Cypress Eagle (Wilcox) | 1 | 209K | 9.92M | Oct 2007 – Mar 2016 |
| Pierce Estate A G-3-263198 | Ballard Exploration Company,inc. | Pierce (Yegua DY-1) | 1 | 193K | 3.28M | Jan 2011 – Jul 2018 |
| Duncan "A" G-3-183527 | Hilcorp Energy Company | Bonus, SW. (Wilcox) | 1 | 185K | 2.42M | Feb 2001 – Aug 2026 |
| Kubala G-3-263536 | Texas Operating Partners LLC | Jones Creek, North (Wilcox) | 1 | 185K | 3.41M | May 2011 – Mar 2025 |
| Schumaker G-3-154710 | Wagner Oil Company | New Taiton (Meek) | 1 | 184K | 11.4M | May 1995 – Dec 2002 |
| Gardner Duncan G-3-257155 | Sandel Operating Company | Cypress Raven (Wilcox) | 1 | 184K | 8.62M | Apr 2010 – Mar 2024 |
| Naiser, J.E. Estate G-3-131991 | Faulconer Energy, LLC | Mott Slough (Yegua) | 1 | 182K | 10.3M | by Jan 1993 – Aug 2026 |
| Gilbert-Freeman G-3-242402 | Sandel Operating Company | Cypress Eagle (Wilcox) | 1 | 179K | 8.23M | Aug 2008 – Jun 2026 |
| Vrana G-3-191567 | Cox & Perkins Exploration, Inc. | Black Owl (Yegua 9200) | 1 | 173K | 2.22M | Oct 2002 – Jan 2010 |
| Popp, E. J. "A" G-3-119912 | Hilcorp Energy Company | El Campo (Yegua) | 1 | 173K | 1.33M | by Jan 1993 – Apr 2001 |
| Zalman G-3-124325 | Grand Resources, Inc. | El Campo (Yegua) | 1 | 171K | 954K | by Jan 1993 – Aug 2026 |
| Gold, Clarine G-3-215898 | Llewellin Operating Company, LLC | Phase Four (10400 Yegua) | 1 | 170K | 1.7M | Dec 2005 – Dec 2015 |
| Outlar G-3-234337 | Cico Oil & Gas Company | Wharton Junction, North | 1 | 168K | 3.05M | Dec 2007 – Apr 2015 |
| Kuehnle G-3-196721 | Hilcorp Energy Company | El Campo (Yegua) | 1 | 167K | 3.03M | Jul 2003 – Aug 2026 |
| McMillian, W. D. G-3-167641 | Carrizo Oil & Gas, Inc. | W. D. McMillan (Yegua 9650) | 1 | 166K | 3.15M | Apr 1998 – Nov 2001 |
| Vastar-Duncan "A" G-3-163144 | Magnum Producing, LP | Egypt (Cook MTN) | 1 | 159K | 9.03M | May 1997 – Sep 2004 |
| Duncan, F. B. G-3-239837 | Sandel Operating Company | Cypress Eagle (Wilcox) | 1 | 154K | 9.08M | Jun 2008 – Jul 2026 |
| Popp, E. J. G-3-163990 | Hilcorp Energy Company | El Campo (Yegua) | 1 | 147K | 1.26M | May 1997 – Jun 2015 |
| Cockburn Deep Frio Unit No. 1 G-3-237668 | Orx Resources, L.L.C. | Magnet Withers (Frio Cons.) | 1 | 142K | 225K | Dec 2007 – Aug 2026 |
| Naiser-Stovall Gas Unit G-3-168196 | Faulconer Energy, LLC | Chitland Creek (Yegua 7770) | 1 | 142K | 5.04M | Apr 1998 – Aug 2026 |
| Cranek Gas Unit G-3-176743 | Finley Resources, Inc. | Menefee (Yegua 10050) | 1 | 140K | 1.72M | Mar 2000 – Dec 2011 |
| Rioux G-3-279380 | Hilcorp Energy Company | Glen Flora (Yegua 9000) | 1 | 135K | 2.14M | Mar 2015 – Sep 2018 |
| Rees-Gifford Gas Unit G-3-171300 | Kaiser-Francis Oil Company | Jones Creek, North (Wilcox) | 1 | 129K | 2.71M | Jun 1998 – Nov 2019 |
| Duncan, F. B. G-3-236221 | Sandel Operating Company | Cypress Eagle (Wilcox) | 1 | 129K | 6.19M | Apr 2008 – Nov 2015 |
| Rocking M Land & Cattle "A" G-3-183683 | Mountain V Texas, LLC | Bonus, SW. (Wilcox) | 1 | 127K | 3.72M | Jun 2001 – Nov 2024 |
| Noska Gas Unit G-3-171263 | Kaiser-Francis Oil Company | Jones Creek, North (Wilcox) | 1 | 126K | 2.05M | Aug 1998 – Oct 2013 |
| Duncan G-3-167982 | Faulconer, Vernon E., Inc. | Egypt, N. (Cook MTN RA) | 1 | 125K | 6.61M | Mar 1998 – May 2013 |
| Roades G-3-175109 | Kaiser-Francis Oil Company | Jones Creek, North (Wilcox) | 1 | 122K | 2.26M | Sep 1999 – Dec 2011 |
| Schweinle G-3-175518 | Mountain V Texas, LLC | Bonus, SW. (Wilcox) | 1 | 122K | 4.54M | Nov 1999 – Jul 2026 |
| Kainer, Lucian Unit G-3-173103 | Ricochet Energy, Inc. | Kainer (8600 Yegua) | 1 | 121K | 1M | Jan 1999 – Jul 2013 |
| Obenhaus Gas Unit G-3-171196 | Mountain V Texas, LLC | Bonus, SW. (Wilcox) | 1 | 118K | 3.73M | Aug 1998 – Jul 2026 |
| Vastar-Duncan "D" G-3-172021 | Faulconer, Vernon E., Inc. | Egypt (Cook MTN) | 1 | 118K | 10.4M | Jan 1999 – Apr 2016 |
| Pierce G-3-179481 | Kaiser-Francis Oil Company | Jones Creek, North (Wilcox) | 1 | 118K | 2.9M | Sep 2000 – May 2010 |
| Glaze Gas Unit G-3-177312 | Mountain V Texas, LLC | Bonus, SW. (Wilcox) | 1 | 117K | 7.71M | Feb 2000 – Jul 2026 |
| Turf Grass G-3-207047 | Petroreal Inc. | Wharton, S. (Yegua 10900) | 1 | 117K | 695K | Jul 2004 – Oct 2007 |