| Ouray State O-10-46427 | Scout Energy Management LLC only | Hoefs T-K (Wolfcamp) | Reeves | 1 | 360K | 797K | Oct 2014 – Apr 2026 |
| Ray-OXY W43R O-10-61014 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 356K | 440K | Jun 2024 – Apr 2026 |
| Erwin-Murray 45E O-10-58229 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 356K | 688K | Oct 2022 – Apr 2026 |
| Parker, J. E. -P- (Amoco) O-10-17903 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 9 | 352K | 91.8K | Jan 1993 – Apr 2026 |
| Raymore 1-46 State Unit 3 O-10-44054 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 352K | 679K | May 2013 – Apr 2026 |
| Wieting O-3-25393 | White Marlin Operating Co, LLC only | Chocolate Bayou (Alibel Stray) | Brazoria | 1 | 347K | 322K | Aug 2009 – Apr 2026 |
| Rayes a - Pokluda a SA 8 G-2-285886 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 345K | 1.66M | Sep 2018 – Apr 2026 |
| Raymond Glasscock 5D O-10-48263 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 343K | 926K | Nov 2016 – Apr 2026 |
| Rayes A G-2-285740 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 342K | 1.55M | Oct 2018 – Apr 2026 |
| Vaughn Account 25 O-9-5473 | Energy Production Corporation only | Texon, S (Grayburg) | Reagan | 7 | 339K | 147 | Jan 1993 – Dec 2020 |
| Rayes a - Pokluda a SA 1 G-2-285656 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 336K | 1.52M | Nov 2018 – Apr 2026 |
| Faulkner, S. -A- O-14-308 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 22 | 335K | 922K | Jan 1993 – Apr 2026 |
| Hardee, B. O-11-5740 | Grayrock Energy II, LLC only | Sharon Ridge (1700) | Scurry | 17 | 328K | 22 | Jan 1993 – Apr 2026 |
| Palmer, J. H. O-14-603 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 17 | 327K | 557K | Jan 1993 – Apr 2026 |
| Lazy E "A" O-10-33519 | Beach Exploration, Inc. only | Double -H- (Grayburg) | Ector | 7 | 327K | 81.7K | Jan 1993 – Apr 2026 |
| Hickman "C" O-9-11276 | Digital Operating Company LLC only | Price (Grayburg) | Reagan | 14 | 327K | 215K | Jan 1993 – Mar 2026 |
| Raymore 1-46 Unit O-10-42568 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 327K | 604K | Dec 2012 – Apr 2026 |
| Strayhorn, D. P. O-11-19146 | Brown, Geo. R Partnership,lp,the only | Fullerville, NE. (San Andres) | Kent | 8 | 325K | 115 | Jan 1993 – Apr 2026 |
| Ray 3427 E O-10-52992 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 1 | 323K | 1.65M | May 2019 – Apr 2026 |
| Ray Reed 33D O-9-21208 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 318K | 3.01M | May 2021 – Apr 2026 |
| Raymore 57-T1-24 O-10-47625 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 317K | 1.12M | Jul 2015 – Apr 2026 |
| Ray-Winkleman C43F O-10-60567 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 316K | 347K | Jun 2024 – Apr 2026 |
| H.A. Gray, et al Unit O-1-16098 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 2 | 314K | 174K | Aug 2012 – Dec 2023 |
| Rayes a - Pokluda a SA 2 G-2-285657 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 314K | 1.55M | Nov 2018 – Apr 2026 |
| Rayes a - Pokluda a SA 3 G-2-285704 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 309K | 1.63M | Nov 2018 – Apr 2026 |
| Edith Gray Unit B O-2-11554 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 309K | 887K | Aug 2018 – Mar 2026 |
| Rayes a - Pokluda a SA 7 G-2-285659 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 307K | 1.39M | Nov 2018 – Apr 2026 |
| Ray 3427 F O-10-53190 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 1 | 305K | 1.39M | Aug 2019 – Apr 2026 |
| Raymond Glasscock 5E O-10-48290 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 304K | 939K | Nov 2016 – Apr 2026 |
| Edington, Della O-14-389 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 9 | 304K | 266K | Jan 1993 – Apr 2026 |
| Raymore 57-T1-24 G-10-271713 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 304K | 4.24M | Feb 2013 – Apr 2026 |
| Floy Gray O-1-18850 | Texian Operating Company, LLC only | Salt Flat (Edwards) | Caldwell | 2 | 303K | 0 | Jun 2016 – Mar 2026 |
| Brinkley "A" O-8-4263 | Grayrock Energy II, LLC only | Flowers (Canyon Sand) | Stonewall | 52 | 303K | 190K | Jan 1993 – Apr 2026 |
| Combs-Worley O-14-512 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 15 | 302K | 1.45M | Jan 1993 – Apr 2026 |
| Ray-OXY W43U O-10-61049 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 300K | 882K | Jun 2024 – Apr 2026 |
| Rayford, O. L. O-6-10961 | Linder, John Operating Co., LLC only | Chapel Hill, E. (Paluxy 5600) | Smith | 2 | 298K | 213 | Jan 1993 – Apr 2026 |
| Ray EF Unit O-3-27427 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 294K | 42.9K | Aug 2017 – Mar 2026 |
| Edith Gray Unit B O-2-9672 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 290K | 743K | Jun 2011 – Jul 2018 |
| Ray-OXY W43T O-10-62104 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 290K | 463K | Jun 2024 – Apr 2026 |
| Snyder, B. S. -E- O-10-6221 | Grayrock Energy II, LLC only | Snyder | Howard | 20 | 287K | 27.7K | Jan 1993 – Apr 2026 |
| Rayburn Unit #12 O-6-13603 | Radius Operating, LLC only | Brookeland (Austin Chalk, 8800) | Angelina | 1 | 286K | 485K | Nov 1996 – Aug 2012 |
| Ray-OXY W43P O-10-60963 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 285K | 720K | Jun 2024 – Apr 2026 |
| Fee -J- O-10-12602 | Fasken Oil and Ranch, Ltd. only | Block 2 (Grayburg) | Andrews | 9 | 284K | 15.3K | Jan 1993 – Apr 2026 |
| Rayes A G-2-263754 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 284K | 931K | Jan 2011 – Dec 2023 |
| Powell -B- O-14-582 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 8 | 283K | 769K | Jan 1993 – Apr 2026 |
| Raymore 1-46 State Unit 4 O-10-50981 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 281K | 689K | Aug 2018 – Apr 2026 |
| Hankamer G-3-192620 | Silverbrook Operating II LLC only | Raywood (Cook Mtn. 11200) | Liberty | 1 | 280K | 4.03M | Oct 2002 – Apr 2026 |
| Means, J. S. a/C 4 O-10-34132 | Hilcorp Energy Company only | Means, S. (Grayburg) | Andrews | 2 | 280K | 30.3K | Jan 1994 – Apr 2026 |
| Ray, Lonnie -B- O-10-22513 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 7 | 278K | 688K | Jan 1993 – Dec 2025 |
| Denman, L. C. -B- O-10-2904 | Grayrock Energy II, LLC only | Iatan, East Howard | Howard | 9 | 278K | 264 | Jan 1993 – Apr 2026 |