| Von Blucher O-4-12701 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 9250) | Nueces | 1 | 39.6K | 152K | Jul 1997 – Jul 2014 |
| Gray O-14-2920 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 19 | 39.5K | 1.17M | by Jan 1993 – Aug 2026 |
| Cozby O-3-27361 | XOG Resources, LLC only | Chocolate Bayou (Alibel Stray) | Brazoria | 1 | 39.5K | 36.1K | Apr 2018 – Jun 2024 |
| Reed -A- O-10-41267 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 7 | 39.3K | 0 | Dec 2011 – Aug 2026 |
| McMurray GU 'A' G-13-272663 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 39.2K | 2.17M | Nov 2013 – Aug 2026 |
| Ray G-13-277243 | Incendium Resources LLC only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 39.2K | 1.03M | Aug 2008 – Jul 2026 |
| Gray Line Gray Sand O-8-31381 | Quail Well Service, Inc. only | Robertson-Griffin (Gray Sand) | Taylor | 9 | 39.1K | 0 | Dec 2013 – Aug 2026 |
| Cook, Harold Ray O-11-63048 | Shenandoah Petroleum Corporation only | Suniland | Lynn | 3 | 39.1K | 78 | by Jan 1993 – Aug 2016 |
| Deluna Gas Unit G-4-151418 | Hilcorp Energy Company only | Rucias, N. (FB E V-19 Stray) | Brooks | 1 | 39K | 2.43M | Sep 1994 – Aug 2026 |
| Spade Ranch O-10-40875 | Crownquest Operating, LLC only | Ray Albaugh (Wolfcamp) | Mitchell | 4 | 39K | 7.62K | Aug 2010 – Aug 2026 |
| Holmes -WF- O-14-3046 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 14 | 39K | 3.82K | by Jan 1993 – Aug 2026 |
| Harrah, W. W. (T) O-14-641 | Large Operating LLC only | Panhandle Gray County Field | Gray | 14 | 39K | 225K | by Jan 1993 – Jul 2026 |
| Mikeska O-9-12198 | L.C.S. Production Company only | Wingate, West (Gray) | Runnels | 3 | 38.9K | 160K | by Jan 1993 – Apr 2026 |
| Doss O-14-508 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 13 | 38.9K | 625K | by Jan 1993 – Apr 2020 |
| SP TXL "A" O-10-6220 | Grayrock Energy II, LLC only | Snyder | Howard | 6 | 38.9K | 21 | by Jan 1993 – Jan 2016 |
| Saunders, J. M. O-14-605 | S & W Oil & Gas, LLC only | Panhandle Gray County Field | Gray | 11 | 38.8K | 166K | by Jan 1993 – Aug 2026 |
| Gray Unit G-13-274529 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 38.8K | 691K | Feb 2014 – Aug 2026 |
| 1ST Natl. Bank of Snyder "B" O-11-62854 | Gray, Gordon Operator only | Sharon Ridge (Clear Fork) | Scurry | 2 | 38.8K | 136 | by Jan 1993 – Aug 2026 |
| Carter-Reynolds O-14-431 | O.G.P. Operating, Inc. only | Panhandle Gray County Field | Gray | 1 | 38.8K | 93 | by Jan 1993 – Jul 2026 |
| Denney, Ray O-11-62938 | Perimeter Resource Company only | Yellowhouse | Hockley | 1 | 38.7K | 144 | by Jan 1993 – Jul 2026 |
| BSM-Wildman O-3-25427 | Neches Transport Inc. only | Patricia Ray (1ST Yegua) | Polk | 2 | 38.7K | 0 | Aug 2008 – Sep 2012 |
| La Jolla G-4-145367 | Pennzoil Exploration & Prod. Co. only | Brayton, N. (Vicksburg 11,500) | Nueces | 1 | 38.7K | 104K | Feb 1993 – Jan 1998 |
| Vinson O-8-29548 | Grayrock Energy II, LLC only | Mead (Strawn) | Jones | 2 | 38.6K | 13.6K | Apr 2005 – Aug 2026 |
| Bernsen, Sr., Leon R. O-4-13304 | Vision Oil and Gas LLC only | Brayton, N. (Vicksburg 9900) | Nueces | 1 | 38.6K | 225K | Jan 2005 – Feb 2025 |
| Day O-13-22909 | Ray Herring Operating Co., LLC only | Young County Regular | Young | 7 | 38.6K | 19.6K | by Jan 1993 – Jan 2020 |
| Lavelle, Elsie C. O-8-19371 | Leclair Operating Co., Inc. only | Robertson-Griffin (Gray Sand) | Taylor | 14 | 38.4K | 39.2K | by Jan 1993 – Jan 2003 |
| Nevins, James B. "A" O-8-27115 | HGN Operating I, LLC only | Bull (Gray Sand) | Runnels | 1 | 38.4K | 146K | Feb 1994 – Aug 2008 |
| Bray a Unit G-13-273443 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 38.3K | 1.68M | May 2010 – Aug 2026 |
| Morwest O-10-38351 | Grayrock Energy II, LLC only | Westbrook | Mitchell | 2 | 38.3K | 0 | Nov 2007 – Aug 2026 |
| Todd O-9-7671 | Kstone Energy, LLC only | Todd, SW. (Grayburg) | Crockett | 1 | 38.3K | 21 | by Jan 1993 – Aug 2026 |
| Primavera Get Rhythm O-3-26147 | Davis Southern Operating Co LLC only | Patricia Ray, East (1ST Yegua) | Polk | 1 | 38.1K | 3.55K | Jan 2013 – Sep 2016 |
| Dun O-14-351 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 4 | 38.1K | 135K | by Jan 1993 – Aug 2026 |
| T. P. Land & Trust, B. S. O-10-6222 | Grayrock Energy II, LLC only | Snyder | Howard | 6 | 38K | 1 | by Jan 1993 – Aug 2026 |
| Gray-Hudson (SA) G-6-276306 | Sabine Energy Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 37.9K | 4.51M | Dec 2014 – Aug 2026 |
| Weaver-Dugger Unit G-2-180197 | Allegro Investments, Inc. only | Maude B. Traylor, N. (44 Seg A) | Jackson | 1 | 37.8K | 1.71M | Sep 2000 – Feb 2007 |
| Clearman O-9-10941 | McRae & Henry, Ltd only | Nevins, East (Gray Sand) | Runnels | 1 | 37.8K | 17.6K | by Jan 1993 – Jun 2013 |
| Taylor, W. H. "L" O-14-4487 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 2 | 37.6K | 65.1K | by Jan 1993 – Aug 2026 |
| Candygram for Mongo Unit 49-50 O-11-70735 | Delray Oil, Inc. only | Sable (San Andres) | Cochran | 1 | 37.4K | 39.2K | Oct 2017 – May 2020 |
| Grayburg-Merriweather O-1-1074 | Texas Petroleum Investment Co. only | Luling-Branyon | Caldwell | 1 | 37.3K | 48 | by Jan 1993 – Apr 2016 |
| Ray Unit 23 O-10-46989 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 37.3K | 166K | Aug 2015 – Aug 2026 |
| Bell O-14-4801 | Large Operating LLC only | Panhandle Gray County Field | Gray | 15 | 37.3K | 77.5K | by Jan 1993 – Apr 2019 |
| Traylor, Maude B. G-2-148603 | Silverbrook Operating, LLC only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 37.3K | 1.06M | Feb 1994 – Aug 2026 |
| Merten, H. H. O-14-332 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 13 | 37K | 70.3K | by Jan 1993 – Apr 2023 |
| Chapman, A. -a- NCT-3 O-14-1534 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 11 | 37K | 24.4K | by Jan 1993 – Aug 2026 |
| Holmes O-14-259 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 4 | 36.9K | 175K | by Jan 1993 – Aug 2026 |
| Murray G-1-270510 | Valence Operating Company only | Indio Tanks (Pearsall) | McMullen | 1 | 36.9K | 472K | Nov 2012 – Aug 2026 |
| Powell -C- O-14-583 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 4 | 36.8K | 131K | by Jan 1993 – Aug 2026 |
| Bray, Ealen O-1-4268 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 6 | 36.8K | 23.8K | by Jan 1993 – Oct 2018 |
| Meers -C- O-14-237 | Large Operating LLC only | Panhandle Gray County Field | Gray | 5 | 36.7K | 73.8K | by Jan 1993 – Jul 2026 |
| Herring O-8-30079 | Ray Herring Operating Co., LLC only | Palo Pinto County Regular | Palo Pinto | 2 | 36.7K | 7.08K | Oct 2007 – Aug 2026 |