| Simmond&perry G-4-127448 | Suemaur Expl. & Prod., LLC only | Brayton (8300) | Nueces | 1 | 4.36K | 399K | by Jan 1993 – Dec 1997 |
| Kleiner Estate G-8-80238 | Richey, Ray Management Co., Inc. only | Eastland County Regular (Gas) | Eastland | 1 | 4.36K | 61.6K | by Jan 1993 – Mar 2004 |
| Hardoncourt, Frances "B" O-8-26164 | Richey, Ray Management Co., Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.36K | 69.5K | by Jan 1993 – May 2000 |
| Ranch, Ray G-2-144333 | Marquee Corporation only | Pettus, E. (Reklaw) | Goliad | 1 | 4.34K | 627K | by Jan 1993 – Jun 2011 |
| Blain, Lovel a III G-2-119308 | Lucky Lad Energy, LLC only | Gun Point (Wilcox Lower, Gray) | De Witt | 1 | 4.34K | 1.85M | by Jan 1993 – Jan 2011 |
| Greer-East, W. #1 O-13-18552 | Richey, Ray Management Co., Inc. only | Alvord (Atoka Conglomerate) | Wise | 1 | 4.33K | 131K | by Jan 1993 – Sep 2007 |
| McCaslin, Charles L. G-2-158260 | Cimarron Engineering, LLC only | Ramirena, SW (Jackson Stray) | Live Oak | 1 | 4.33K | 788K | Dec 1995 – Jul 2021 |
| Cryer, M. C. O-4-6773 | Dinero Oil Corporation only | Plymouth (5500 Stray) | San Patricio | 1 | 4.32K | 20 | by Jan 1993 – Sep 1994 |
| Traynham G-6-251590 | Tanos Exploration II, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 4.3K | 390K | Aug 2009 – Mar 2017 |
| Guitar O-8-17543 | Grayrock Energy II, LLC only | Callahan County Regular | Callahan | 2 | 4.3K | 62.6K | by Jan 1993 – Sep 2006 |
| Beth O-14-5205 | Endeavor Energy Resources L.P. only | Panhandle Gray County Field | Gray | 2 | 4.25K | 36.6K | by Jan 1993 – Feb 2008 |
| Parsons, Ina Mae O-8-20523 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 4.24K | 47.4K | by Jan 1993 – Feb 1997 |
| Traylor, Maude B. G-2-136815 | Meridian Oil Production Inc. only | Maude B. Traylor, N. (29) | Calhoun | 1 | 4.24K | 120K | by Jan 1993 – Sep 1995 |
| Nantz O-8-15373 | Ray Herring Operating Co., LLC only | Johnny (Congl.) | Stephens | 2 | 4.23K | 82K | by Jan 1993 – Jun 2026 |
| Chadbourne Ranch 290 "B" O-9-12445 | Adams Branch Exploration Company only | Wingate, West (Gray) | Runnels | 1 | 4.22K | 3.76K | by Jan 1993 – Dec 1997 |
| Ray, J. A. O-13-10549 | Devon Energy Production Co, L.P. only | Alvord (Atoka Conglomerate) | Wise | 3 | 4.21K | 151K | by Jan 1993 – Oct 2010 |
| Thomasma, Ray J. G-4-206935 | Hilcorp Energy Company only | Zwebb (10350) | Zapata | 1 | 4.21K | 372K | Oct 2004 – May 2015 |
| Lewis A O-13-26775 | Herring, Ray only | Matlock | Jack | 1 | 4.2K | 3.32K | by Jan 1993 – Apr 1997 |
| Johnson Heirs "Litigation" O-8-25369 | Window Operating Co., The only | Grand Old Oplin (Gray) | Callahan | 3 | 4.19K | 33.2K | by Jan 1993 – Jun 1995 |
| Abar O-14-6190 | WO Operating Company only | Panhandle Gray County Field | Gray | 7 | 4.18K | 21.3K | by Jan 1993 – Jan 2005 |
| Kuretsch, Raymond O-2-8542 | Whittington Operating Company only | Ganado, West (5400 Zone) | Jackson | 1 | 4.17K | 0 | Jun 2000 – Nov 2000 |
| Driscoll, Clara O-4-9256 | Vintage Petroleum, Inc. only | Brayton, E. (Gandy) | Nueces | 2 | 4.15K | 21 | by Jan 1993 – Nov 1994 |
| McElmurray 'CD' O-8-32526 | Scout Energy Management LLC only | White Flat (Noodle Creek) | Nolan | 1 | 4.14K | 7.84K | Jul 2021 – Jan 2026 |
| Minor, A. Gas Unit G-6-171701 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 4.13K | 1.21M | Nov 1998 – Aug 2026 |
| Gillespie G. U. G-4-227793 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 9900) | Nueces | 1 | 4.13K | 76.7K | Apr 2007 – Jan 2008 |
| York, R. L. -B- O-10-33939 | Legacy Reserves Operating LP only | York (Queen-Grayburg) | Ector | 1 | 4.12K | 3.75K | Sep 1993 – Oct 1994 |
| Maude B Traylor G-2-227956 | Future Petroleum Company LLC only | Maude B. Traylor (8150 Sand) | Calhoun | 1 | 4.12K | 217K | May 2007 – Nov 2009 |
| Combs-Worley -B- O-14-615 | Duncan Oil Properties, Inc. only | Panhandle Gray County Field | Gray | 4 | 4.11K | 116K | by Jan 1993 – Jul 1999 |
| Iva G-14-174701 | Raydon Exploration, Inc. only | Laketon (Granite Wash Consol.) | Gray | 1 | 4.11K | 749K | Jun 1999 – Mar 2009 |
| Carpenter, Houston O-13-23124 | Richey, Ray Management Co., Inc. only | Morris (Consolidated Congl.) | Wise | 1 | 4.1K | 184K | by Jan 1993 – Apr 2012 |
| Yturria, H. G-4-243254 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 4.1K | 1.1M | Dec 2006 – Dec 2024 |
| Grayburg Timber Co. G-3-6627 | MJ Oil, Inc. only | Hull, South (Yegua 8100) | Liberty | 1 | 4.09K | 366K | Nov 1995 – Jun 2003 |
| Yturria, H. G-4-179591 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 4.07K | 276K | Aug 2000 – Mar 2003 |
| Fraser, G. C. -F- O-10-14162 | Sunray Energy, Inc. only | Goldsmith (5600) | Ector | 2 | 4.07K | 17.9K | by Jan 1993 – Oct 2006 |
| Meers -A- O-14-256 | Large Operating LLC only | Panhandle Gray County Field | Gray | 2 | 4.05K | 25.3K | by Jan 1993 – Jul 2026 |
| Sabine Corp. No. 5 Unit G-3-149261 | Famcor Oil, Inc. only | Patrick P. Ray (Wilcox 10,000) | Montgomery | 1 | 4.05K | 261K | Mar 1994 – Jan 2007 |
| Whelan O-6-12189 | Bachtell, Charles Ray only | Rodessa (Pettit Upper) | Marion | 1 | 4.03K | 47.1K | by Jan 1993 – Oct 2001 |
| Sealy & Smith O-8-22612 | Rayco Operating, Inc. only | Coleman County Regular | Coleman | 2 | 4.03K | 11.6K | by Jan 1993 – Feb 2001 |
| Clay, Bass E. O-14-666 | Henry Paul Petroleum, LLC only | Panhandle Gray County Field | Gray | 4 | 4.03K | 140K | by Jan 1993 – Jan 2017 |
| Gray Gas Unit G-6-148667 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 4.03K | 3.46M | Jan 1994 – Aug 2026 |
| Ector -AU- Fee G-10-36023 | Formentera Operations LLC only | Goldsmith, East (Grayburg) | Ector | 1 | 4.02K | 786K | by Jan 1993 – Jul 2019 |
| Traylor, Maude B. 'B' G-2-155085 | Meridian Oil Inc. only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 4.01K | 101K | Jul 1995 – Apr 1996 |
| Edwards O-13-24078 | Raylee Operating Company only | Jack County Regular | Jack | 1 | 4K | 23 | by Jan 1993 – Feb 2001 |
| Gray Gas Unit G-6-88937 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 4K | 2.32M | by Jan 1993 – Aug 2026 |
| Ray, George G-2-142398 | North Lake Resources LLC only | Pettus, E. (Luling) | Goliad | 1 | 4K | 633K | by Jan 1993 – Jul 2013 |
| North Ezj Ranch 35 O-10-38184 | Sharp Image Energy, Inc. only | Ray Albaugh (Wolfcamp) | Mitchell | 1 | 4K | 0 | Jul 2007 – Apr 2016 |
| Willingham O-8-16504 | Herring, Ray only | Palo Pinto County Regular | Palo Pinto | 6 | 3.99K | 48 | by Jan 1993 – May 2008 |
| Yturria, H. G-4-226180 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 3.98K | 14.1K | Jan 2007 – Feb 2023 |
| Gray O-14-8843 | United Oil & Shale LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 3.97K | 158K | Jun 2012 – Oct 2021 |
| Black Bass G-8-136798 | Wes-Tex Drlg. Co. only | Fishing Hole (Gray) | Callahan | 1 | 3.97K | 99K | by Jan 1993 – May 1999 |