| East Cowden (Grayburg) Unit O-10-22927 | Basin Oil & Gas Operating, LLC only | Cowden, North | Ector | 92 | 10.4M | 3.6M | Jan 1993 – Jul 2026 |
| Westbrook Southwest Unit O-10-21120 | Grayrock Energy II, LLC only | Westbrook | Mitchell | 371 | 8.65M | 21 | Jan 1993 – Jul 2026 |
| Dodge, Granville M., Est. O-10-2905 | Grayrock Energy II, LLC only | Iatan, East Howard | Howard | 262 | 5.2M | 438K | Jan 1993 – Jul 2026 |
| Mfe Unit O-10-33264 | Fasken Oil and Ranch, Ltd. only | M.F.E. (Grayburg) | Andrews | 52 | 4.19M | 835K | Jan 1993 – Jul 2026 |
| Lake Trammel Unit O-8-8712 | Grayrock Energy II, LLC only | Lake Trammel, W. (Canyon) | Nolan | 203 | 3.85M | 2.09M | Jan 1993 – Jul 2026 |
| Williams, J. E. O-14-655 | Large Operating LLC only | Panhandle Gray County Field | Gray | 73 | 2.82M | 1.69M | Jan 1993 – Jul 2026 |
| Combs O-14-687 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 178 | 2.35M | 2.81M | Jan 1993 – Jul 2026 |
| Davis, M. B. O-14-637 | Large Operating LLC only | Panhandle Gray County Field | Gray | 59 | 2.29M | 900K | Jan 1993 – Jul 2026 |
| Ellis-Gray Unit O-11-61958 | Unitex Oil & Gas, L.L.C. only | Sharon Ridge (1700) | Scurry | 194 | 1.81M | 238 | Jan 1993 – Jul 2026 |
| Gray, Columbus Etal O-10-1719 | Basin Oil & Gas Operating, LLC only | Fuhrman-Mascho | Andrews | 161 | 1.7M | 951K | Jan 1993 – Jul 2026 |
| Stingray 53-2-25 Lov Unit O-10-51384 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 4 | 1.63M | 2.88M | Jan 2018 – Jul 2026 |
| Serio (Grayburg)unit O-10-37270 | Fasken Oil and Ranch, Ltd. only | Serio (Grayburg) | Andrews | 52 | 1.54M | 159K | May 2004 – Jul 2026 |
| Fee -Y- O-10-23655 | Fasken Oil and Ranch, Ltd. only | Serio (Grayburg) | Andrews | 34 | 1.43M | 210K | Jan 1993 – Jul 2026 |
| Midland Farms NO Grby UT O-10-9893 | Fasken Oil and Ranch, Ltd. only | Midland Farms, North (Grayburg) | Andrews | 71 | 1.38M | 77.1K | Jan 1993 – Oct 2025 |
| Johnson Ranch Unit O-14-6772 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 69 | 1.3M | 286K | Jan 1993 – Jul 2026 |
| Snyder, Susie B. O-10-6197 | Grayrock Energy II, LLC only | Snyder | Howard | 83 | 1.3M | 23.4K | Jan 1993 – Jul 2026 |
| Germania (Grayburg) Unit O-10-25017 | Heifer Production Company LLC only | Germania (Grayburg) | Midland | 34 | 1.26M | 67.3K | Jan 1993 – Jul 2026 |
| Bowers, J. B., NCT-1 O-14-3269 | Large Operating LLC only | Panhandle Gray County Field | Gray | 24 | 1.23M | 421K | Jan 1993 – Jul 2026 |
| Phoenix Grayburg Unit O-10-31440 | Itx Pipeline Company, LLC only | Phoenix (Grayburg) | Martin | 34 | 1.22M | 7.38K | Jan 1993 – Jul 2026 |
| Edith Gray Schendel Usw A O-2-11438 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 1.21M | 3.26M | May 2017 – Jul 2026 |
| West Flowers Unit O-8-11787 | Grayrock Energy II, LLC only | Flowers, W. (Canyon Sand) | Stonewall | 98 | 1.15M | 600K | Jan 1993 – Jul 2026 |
| Snyder, B. S. -A- O-10-6213 | Grayrock Energy II, LLC only | Snyder | Howard | 28 | 1.14M | 95.3K | Jan 1993 – Jul 2026 |
| Worley O-14-689 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 56 | 1.08M | 1.85M | Jan 1993 – Jul 2026 |
| Jackson, Wm. O-14-311 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 9 | 1.02M | 216K | Jan 1993 – Jul 2026 |
| Kloh O-10-42224 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 80 | 997K | 0 | Dec 2011 – Jul 2026 |
| Moss Grayburg-San Andres Unit O-10-20089 | OXY USA Inc. only | Cowden, South | Ector | 39 | 960K | 248K | Jan 1993 – Jul 2026 |
| West Grayburg Unit O-10-20416 | Occidental Permian Ltd. only | Cowden, South | Ector | 41 | 951K | 257K | Jan 1993 – Jul 2026 |
| University/Energen Grayburg Unit O-10-37100 | Libertad Operating LLC only | Block 2 (Grayburg) | Andrews | 33 | 919K | 0 | Apr 2003 – Jul 2026 |
| Edith Gray Schendel Usw C O-2-11395 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 887K | 1.73M | May 2017 – Jul 2026 |
| Parker Fee -A- O-14-2294 | O.G.P. Operating, Inc. only | Panhandle Gray County Field | Gray | 37 | 876K | 614K | Jan 1993 – Jul 2026 |
| Graystone Unit 39-26 O-10-62685 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 6 | 823K | 1.53M | Nov 2024 – Jul 2026 |
| Triple-N /Grayburg/ Cons. O-10-21159 | Ring Energy, Inc. only | Triple-N (Grayburg) | Andrews | 80 | 811K | 340K | Jan 1993 – Jul 2026 |
| Williams, S.P. O-14-586 | Large Operating LLC only | Panhandle Gray County Field | Gray | 16 | 782K | 285K | Jan 1993 – Jul 2026 |
| Wright, J. E. O-14-656 | Large Operating LLC only | Panhandle Gray County Field | Gray | 14 | 723K | 199K | Jan 1993 – Jul 2026 |
| Burkes, Jack D. O-10-27765 | Fasken Oil and Ranch, Ltd. only | Germania (Grayburg) | Midland | 11 | 718K | 185K | Jan 1993 – Jul 2026 |
| Davis, J. W. -B- O-10-2902 | Grayrock Energy II, LLC only | Iatan, East Howard | Howard | 17 | 691K | 24.9K | Jan 1993 – Jul 2026 |
| Gething, E. E. NCT-2 O-14-1536 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 17 | 642K | 192K | Jan 1993 – Jul 2026 |
| Edith Gray - Schendel Usw E O-2-11920 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 622K | 2.15M | Sep 2019 – Jul 2026 |
| Faulkner, S. O-14-638 | Large Operating LLC only | Panhandle Gray County Field | Gray | 21 | 599K | 413K | Jan 1993 – Jul 2026 |
| Edwards Field Grayburg Unit O-10-20424 | AD Astra Resources, LLC only | Edwards | Ector | 84 | 585K | 120K | Jan 1993 – Jul 2026 |
| Edith Gray - Schendel Usw F O-2-11921 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 575K | 1.59M | Sep 2019 – Jul 2026 |
| Leycomb, A. W. O-14-534 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 13 | 572K | 790K | Jan 1993 – Jul 2026 |
| Chalk, G. O. O-10-42240 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 40 | 563K | 286 | Dec 2011 – Jul 2026 |
| Davis, M. B. O-14-285 | Dunigan Operating Company, Inc. only | Panhandle Gray County Field | Gray | 10 | 528K | 604K | Jan 1993 – Jul 2026 |
| Edith Gray - Schendel Usw D O-2-11903 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 524K | 1.38M | Sep 2019 – Jul 2026 |
| Edith Gray-Schendel Usw B O-2-11414 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 522K | 1.3M | Jun 2017 – Jul 2026 |
| Stingray O-10-46593 | Centennial Resource Prod, LLC only | Phantom (Wolfcamp) | Ward | 3 | 492K | 3.06M | Aug 2014 – Jan 2020 |
| Edith Gray-Bord-Schendel Ulw O-2-11422 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 462K | 887K | Jul 2017 – Jul 2026 |
| Morse, J. S. -D- O-14-440 | Rio Petroleum, Inc. only | Panhandle Gray County Field | Gray | 4 | 453K | 178K | Jan 1993 – Jul 2026 |
| Mead Strawn Unit O-8-9659 | Grayrock Energy II, LLC only | Mead (Strawn) | Jones | 19 | 451K | 241K | Jan 1993 – Jul 2026 |