| State Ray 12 G-10-286245 | Capitan Energy, Incorporated only | Ford, West (Wolfcamp) | Culberson | 1 | 277K | 3.36M | Jul 2017 – Apr 2026 |
| Finley, B. E. O-14-249 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 14 | 277K | 963K | Jan 1993 – Apr 2026 |
| Denman, L. C., -A- O-10-2903 | Grayrock Energy II, LLC only | Iatan, East Howard | Howard | 16 | 276K | 3.07K | Jan 1993 – Apr 2026 |
| Traylor, Maude B. O-2-3004 | Silverbrook Operating, LLC only | Maude B. Traylor, E. (Melbourne) | Calhoun | 4 | 276K | 423K | Feb 1997 – Apr 2026 |
| Coleman Traylor Alloc B O-1-20538 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 275K | 73.2K | Dec 2021 – Apr 2026 |
| Traylor Unit Zav Alloc O-1-20544 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 275K | 126K | Nov 2021 – Apr 2026 |
| Tidwell-Traylor Unit Zav A O-1-20547 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 275K | 112K | Jan 2022 – Apr 2026 |
| Bowers, J. B. O-14-385 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 13 | 274K | 1.17M | Jan 1993 – Apr 2026 |
| Rayes a - Pokluda a SA 6 G-2-285658 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 271K | 1.15M | Nov 2018 – Apr 2026 |
| Wood O-13-29081 | Grayson Petroleum Company only | Gee (Oil Creek, Upper) | Grayson | 3 | 271K | 0 | Jan 1996 – Apr 2011 |
| Loewe, Raymond O-3-13550 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 1 | 269K | 1.35M | Jan 1993 – Apr 2026 |
| East Morse Unit O-14-2296 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 56 | 268K | 154K | Jan 1993 – Apr 2026 |
| Edith Gray Unit A O-2-9573 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 268K | 751K | Dec 2010 – Feb 2018 |
| Gray 353/352 G-14-287304 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 267K | 1.42M | May 2019 – Apr 2026 |
| Stevie Ray W Allocation O-10-59982 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 1 | 265K | 404K | Dec 2022 – Apr 2026 |
| Murray A O-10-2892 | Bce-Mach III LLC only | Iatan, East Howard | Howard | 8 | 265K | 10.3K | Jan 1993 – Apr 2026 |
| Rayes Poenisch A1 O-1-21084 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 263K | 207K | Dec 2023 – Mar 2026 |
| Ackers "80" O-8-29919 | Grayrock Energy II, LLC only | Guitar (Gardner Sand) | Callahan | 2 | 263K | 289K | May 2007 – Apr 2026 |
| Gething -B- O-14-469 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 17 | 262K | 194K | Jan 1993 – Apr 2026 |
| Erwin-Murray 45R O-10-63831 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 260K | 268K | Sep 2025 – Apr 2026 |
| La Jolla G-4-138097 | Linn Operating, Inc. only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 259K | 1.96M | Jan 1993 – Jan 1999 |
| Haynes O-14-3776 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 15 | 259K | 355K | Jan 1993 – Apr 2026 |
| Appling, C. D. O-1-1692 | Delray Oil, Inc. only | Spiller | Guadalupe | 29 | 259K | 87K | Jan 1993 – Apr 2026 |
| J Rayes O-1-15534 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 258K | 176K | Jul 2012 – Mar 2026 |
| Coleman Traylor Unit Zav A O-1-20587 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 258K | 55.6K | Jan 2022 – Apr 2026 |
| Chapman /10/ O-14-424 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 4 | 257K | 158K | Jan 1993 – Apr 2026 |
| Texaco Fee "B" G-3-187354 | Ballard Exploration Company,inc. only | Raywood (East Cook Mountain) | Liberty | 1 | 257K | 8.32M | Aug 2001 – Jul 2009 |
| Coleman Traylor Alloc C O-1-20542 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 257K | 66.1K | Dec 2021 – Apr 2026 |
| Ray Reed 33I O-9-21201 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 256K | 1.54M | May 2021 – Apr 2026 |
| Murray, A. B. Mrs. "B" O-11-8971 | Leclair Operating, L.L.C. only | Anton-Irish | Lubbock | 3 | 251K | 21 | Jan 1993 – Apr 2026 |
| Rayes Camaro Poenisch A2 O-1-21083 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 249K | 193K | Dec 2023 – Mar 2026 |
| Erwin-Murray 45O O-10-64104 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 246K | 286K | Sep 2025 – Apr 2026 |
| Ray-OXY W43S O-10-61254 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 243K | 336K | Jun 2024 – Apr 2026 |
| State University -At- O-10-36772 | XTO Energy Inc. only | Triple-N (Grayburg) | Andrews | 4 | 242K | 105K | Sep 2001 – Apr 2026 |
| Gray Unit II Las O-1-16700 | Ineos USA Oil & Gas LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 239K | 384K | May 2013 – Apr 2026 |
| Erwin-Murray 45K O-10-64171 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 238K | 214K | Sep 2025 – Apr 2026 |
| Traylor, T. P. -B- O-2-3180 | McGowan Working Partners, Inc. only | Heyser (5400 #3) | Victoria | 3 | 238K | 139K | Jan 1993 – Apr 2026 |
| Bloxsom et Al G-3-192899 | Western Energy Group, LLC only | Raywood (E. Cook Mtn. 12,140) | Liberty | 1 | 235K | 2.01M | Jan 2003 – Mar 2010 |
| Gray-Schneider O-2-11589 | Allegiant Resources, LLC only | Placedo | Victoria | 1 | 235K | 85.5K | Jan 2018 – Apr 2026 |
| State Ray 12 G-10-286302 | Capitan Energy, Incorporated only | Ford, West (Wolfcamp) | Culberson | 1 | 235K | 2.7M | Jul 2017 – Mar 2026 |
| TXL, B. S. -A- O-10-6214 | Grayrock Energy II, LLC only | Snyder | Howard | 18 | 234K | 10.6K | Jan 1993 – Apr 2026 |
| University -K- O-10-12803 | Burgundy Oil & Gas, Inc. only | Triple-N (Grayburg) | Andrews | 2 | 234K | 37K | Jan 1993 – Apr 2026 |
| Phillips O-10-42209 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Glasscock | 9 | 232K | 0 | Dec 2011 – Apr 2026 |
| Ackers (Morris Sand) Unit O-8-22954 | Grayrock Energy II, LLC only | Ackers (Morris Sand) | Shackelford | 30 | 232K | 22 | Jan 1993 – Jan 2025 |
| Gething O-14-676 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 16 | 232K | 233K | Jan 1993 – Apr 2026 |
| Jones Ranch O-8-25237 | Windham Resources only | Grand Old Oplin (Gray) | Callahan | 27 | 231K | 94.6K | Jan 1993 – May 2005 |
| Clay O-10-42235 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 29 | 230K | 24.9K | Dec 2011 – Apr 2026 |
| Gray, John G. O-13-30760 | Seitz, J. R. & Adam, Ltd. only | Dove (Penn. Basal) | Grayson | 5 | 230K | 0 | Feb 2007 – Apr 2026 |
| Erwin-Murray 45S O-10-63753 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 229K | 247K | Sep 2025 – Apr 2026 |
| Obanion, J. T., Dr. O-1-1683 | Delray Oil, Inc. only | Spiller | Caldwell | 31 | 227K | 316K | Jan 1993 – Apr 2026 |