| Sage-Kepler G-8-125727 | D.J. & T. Energy only | Thrifty, S. (Chappel Reef) | Brown | 1 | 113 | 49.4K | by Jan 1993 – Mar 2018 |
| Sage-Ramage G-8-132163 | Jurassic Operating Company, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 103 | 669 | Jun 1996 – Oct 1996 |
| Atc Thomas G-8-133769 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 80 | 6.06K | May 1996 – Nov 2010 |
| Lesikar, L.W. "A" G-8-78169 | Chapparal Operating Co. only | Meeker (Conglomerate 4000) | Parker | 1 | 80 | 187K | by Jan 1993 – Aug 2026 |
| Mashburn G-8-109049 | R & D Operating, Inc. only | HA da CA (Chappel Reef) | Brown | 1 | 76 | 53.3K | by Jan 1993 – Feb 2016 |
| Brandon, O. E. O-13-23057 | Barnhart Co. only | Brandon (Chappel) | Hardeman | 1 | 75 | 0 | Dec 1996 – Jan 1997 |
| Bowen, A. J. G-8-120293 | Subsurface Production, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 72 | 4.19K | by Jan 1993 – Jan 2021 |
| Brents, Walker G-8-82673 | Chapparal Operating Co. only | Meeker (Conglomerate 4000) | Parker | 1 | 54 | 224K | by Jan 1993 – Aug 2026 |
| Ferrell, L.T. G-8-119863 | Chapparal Operating Co. only | L & H (Strawn) | Eastland | 1 | 52 | 76.7K | by Jan 1993 – Aug 2026 |
| Puryear-Lesikar Unit G-8-106135 | Chapparal Operating Co. only | Toto (Caddo Conglomerate) | Parker | 1 | 39 | 155K | by Jan 1993 – Jan 2012 |
| Callaway, Gerald L. G-8-109090 | Texas Sands Resources, LLC only | Thrifty, S. (Chappel Reef) | Brown | 1 | 36 | 60K | by Jan 1993 – Mar 2010 |
| Sage-Keller "B" G-8-131364 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 35 | 41K | by Jan 1993 – Feb 2011 |
| Chapparal G-10-252929 | Endeavor Energy Resources L.P. only | Toro (Devonian) | Reeves | 1 | 35 | 313K | Jul 2008 – Sep 2016 |
| Ramage, T. C. G-8-138793 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 34 | 1.45K | Jun 2005 – May 2006 |
| Dalworth G-8-123668 | Chapparal Operating Co. only | Toto (Caddo Conglomerate) | Parker | 1 | 28 | 133K | by Jan 1993 – Nov 2025 |
| Chapparal G-10-207109 | Endeavor Energy Resources L.P. only | Toro (Fusselman) | Reeves | 1 | 23 | 20K | Oct 2004 – Oct 2007 |
| Chappel Woods Unit G-3-258284 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Montgomery | 1 | 17 | 1.15M | May 2010 – Aug 2026 |
| Taylor O-13-14290 | Bridger Oil Inc. only | Quanah, SW. (Chappel) | Hardeman | 1 | 15 | 13 | Apr 1993 – Jul 1994 |
| Hutchins, D.R. & W.A. G-8-106415 | Jurassic Energy Corporation only | Thrifty, S. (Chappel Reef) | Brown | 1 | 14 | 4.17K | by Jan 1993 – Mar 1994 |
| Lesikar, Wm. G-8-291411 | Chapparal Operating Co. only | Toto (Caddo Conglomerate) | Parker | 1 | 10 | 21.4K | Aug 2021 – Aug 2026 |
| Chapparosa Ranch G-1-56205 | Conway Energy Oper Services Inc. only | Bandera Tank, NW. (San Miguel) | Zavala | 1 | 9 | 2.95M | by Jan 1993 – Aug 2024 |
| Sage-Sullivan G-8-126087 | Jurassic Operating Company, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 7 | 1.77K | by Jan 1993 – May 1996 |
| Explo-Thomas O-8-24966 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 4 | 234 | Nov 2003 – Nov 2003 |
| Stavinoha, Gilbert et Al G-8-112085 | Jurassic Operating Company, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 2 | 4.77K | by Jan 1993 – Apr 1999 |
| Chapparosa Ranch G-1-67602 | Brown, C. Douglas, LLC only | Bandera Tank, NW. (San Miguel) | Zavala | 1 | 0 | 146 | Oct 1993 – Oct 1993 |
| Norton, Richard W. Jr. G-1-139341 | BXP Operating, LLC only | Chapparosa (Olmos) | Zavala | 1 | 0 | 163K | by Jan 1993 – Jul 1996 |
| Bowman-Russell G-1-160688 | Dawsey Operating Company only | Chappy (Olmos) | Zavala | 1 | 0 | 68.6K | Sep 1996 – Dec 2004 |
| Corolla-Garrison Unit G-3-67321 | High Chapparal Oil Company only | Carlton Speed (Yegua Y-5) | Waller | 1 | 0 | 0 | — |
| Cowan-Zollman-High Chapparal G-3-100228 | Browning, Landon only | Corolla (Yegua 4600) | Waller | 1 | 0 | 0 | — |
| Sabine Production Company Unit G-3-108504 | High Chapparal Oil Company only | Corolla (Wilcox 10435) | Grimes | 1 | 0 | 0 | — |
| Hutchins, D. R. & W. A. G-8-110925 | Jurassic Operating Company, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 0 | — |
| Clausell, W. B. G-8-114538 | Jones Company, Ltd. only | D. J. (Chappel Reef) | Shackelford | 1 | 0 | 1.54K | Feb 1994 – Jan 1995 |
| Breedlove and K-B G-8-118504 | Etaba Operating Company only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 0 | — |
| Shafer G-8-121414 | Bee-Jay Energy only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 0 | — |
| Bohannon G-8-121450 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 1.98K | Aug 1996 – Apr 2004 |
| Bowen, A. J. G-8-121851 | Thrifty Well Service, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 25 | by Jan 1993 – Feb 1993 |
| Wilson G-8-121856 | Etaba Operating Company only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 358 | by Jan 1993 – Jan 1994 |
| Reeves and K-B G-8-123322 | Jurassic Prod. & Expl. Co., Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 9.86K | by Jan 1993 – Apr 1999 |
| Wilson, W.H. et Al G-8-124737 | Etaba Operating Company only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 0 | — |
| Sage-Hunt G-8-124738 | Jurassic Energy Corporation only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 0 | — |
| Hunt (Turnkey) G-8-125062 | Etaba Operating Company only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 4.17K | by Jan 1993 – Jul 1994 |
| Sage-Hunt G-8-126525 | Jurassic Operating Company, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 1.7K | by Jan 1993 – Mar 1994 |
| Sage-Keller G-8-127892 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 11.2K | by Jan 1993 – Mar 2011 |
| Sage-Kepler "A" G-8-128588 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 14.2K | by Jan 1993 – Mar 2013 |
| Explo-Thomas "A" G-8-128817 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 6.35K | by Jan 1993 – Apr 2005 |
| Sage-Ott G-8-129664 | Jurassic Prod. & Expl. Co., Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 60.1K | by Jan 1993 – Apr 1999 |
| Explo-Keller G-8-129836 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 22.5K | by Jan 1993 – Feb 2011 |
| Sage-Thomas G-8-130607 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 8.8K | Jul 1995 – Jan 2011 |
| Sage-Reeves G-8-130608 | Jurassic Prod. & Expl. Co., Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 3.58K | by Jan 1993 – Feb 2006 |
| Explo-Ott G-8-130980 | Friendly Energy Services, Inc. only | Thrifty, S. (Chappel Reef) | Brown | 1 | 0 | 26.9K | by Jan 1993 – Jan 2012 |