| Carson Unit O-6-15434 | Diversified Production LLC only | Walkers Chapel (Pettit 8100) | Cherokee | 1 | 170K | 545K | Apr 2015 – Aug 2026 |
| Walker Ranch O-14-7128 | DDD Exploration, Inc. only | Rehm, N. (Granite Wash) | Hartley | 6 | 168K | 0 | Jun 1996 – Aug 2026 |
| James Walker C O-10-60941 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 164K | 343K | May 2024 – Jul 2026 |
| James Walker E O-10-60977 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 164K | 350K | May 2024 – Jul 2026 |
| Riley O-10-26653 | Diamondback E&P LLC only | Rhoda Walker (Canyon 5900) | Ward | 4 | 161K | 735K | by Jan 1993 – Jun 2026 |
| Walker "14" O-10-39100 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 3 | 161K | 188K | Sep 2008 – Aug 2026 |
| Walker Estate O-8-27798 | Denton Exploration, Inc. only | Walker-Davis (Congl. 3960) | Stephens | 2 | 161K | 1.11M | Feb 1996 – Aug 2026 |
| James Walker D O-10-60943 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 161K | 572K | May 2024 – Jul 2026 |
| Monroe "a" 118 O-10-22729 | Apache Corporation only | Rhoda Walker (Canyon 5900) | Ward | 4 | 159K | 242K | by Jan 1993 – Feb 2019 |
| McKenzie 85 O-10-37547 | Robert C. Brower, LLC only | Walker (Penn Detrital) | Pecos | 2 | 151K | 63.4K | Jun 2005 – Jun 2026 |
| Walker 14-11 (Alloc -4NH) O-10-54779 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 145K | 691K | Feb 2021 – Aug 2026 |
| Avary "D" O-10-24864 | Apache Corporation only | Rhoda Walker (Canyon 5900) | Ward | 9 | 138K | 482K | by Jan 1993 – Aug 2018 |
| Walker G-14-280716 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 137K | 756K | Jan 2016 – Aug 2026 |
| Walker-Williams O-13-31156 | Rover Operating Company, LLC only | Willis (Strawn-Buttram) | Young | 17 | 135K | 382K | Jun 2007 – Aug 2026 |
| Walker, E. L. O-7-8272 | Linder, John Operating Co., LLC only | East Texas | Gregg | 5 | 134K | 21 | by Jan 1993 – Aug 2026 |
| University O-10-7162 | Tres Roughneckas WTX LLC only | Walker | Pecos | 10 | 131K | 21 | by Jan 1993 – Mar 2023 |
| Walker, Hortain O-13-5393 | Phoenix Oil & Gas only | Wichita County Regular | Wichita | 36 | 130K | 29 | by Jan 1993 – Aug 2026 |
| Walker 29 O-14-9222 | Le Norman Operating LLC only | Hemphill (Douglas) | Hemphill | 2 | 129K | 625K | Sep 2014 – Jan 2016 |
| Walker 29 G-14-281022 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 128K | 857K | Jun 2016 – Aug 2026 |
| Richey O-6-14361 | Enerquest Operating L.L.C. only | Walkers Chapel (Pettit 8100) | Rusk | 1 | 124K | 467K | Aug 2004 – Aug 2026 |
| McKenzie 85 G-10-184469 | Alpine Gas Company, LLC only | Walker (Penn Detrital) | Pecos | 1 | 119K | 2.76M | Dec 2001 – May 2005 |
| Avary, G. Q. O-10-24347 | Apache Corporation only | Rhoda Walker (Canyon 5900) | Ward | 2 | 117K | 301K | by Jan 1993 – Feb 2020 |
| Walker (Allocation) O-3-26953 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 116K | 333K | Dec 2014 – Jul 2026 |
| Walker, Ida O-4-13496 | Aransas Operating Company, LLC only | Richard King (Frio Cons.) | Nueces | 3 | 113K | 15.8K | Nov 2008 – Jul 2026 |
| Walker Texas Ranger O-3-26350 | Empire Texas Operating LLC only | Halliday (Woodbine) | Madison | 1 | 113K | 574K | Sep 2013 – Aug 2026 |
| Walker, A. B. O-10-11325 | Basin Oil & Gas Operating, LLC only | Abell, East (Waddell, W. Seg.) | Pecos | 1 | 111K | 184K | by Jan 1993 – Aug 2026 |
| Quien Sabe Ranch "A" O-14-6122 | Byng Energy Group, Inc. only | P.D. Walker (Granite Wash) | Oldham | 4 | 107K | 17.2K | by Jan 1993 – Nov 2016 |
| Raceway-Walker Unit G-3-151761 | Seneca Resources Corporation only | Mulligan, NE. (Austin Chalk) | Brazos | 1 | 104K | 541K | Jun 1994 – Jul 1999 |
| Walker G-14-270583 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 101K | 648K | Oct 2013 – Aug 2026 |
| Thomson Estate "A" O-10-24614 | Apache Corporation only | Rhoda Walker (Canyon 5900) | Ward | 11 | 99.9K | 720K | by Jan 1993 – Apr 2018 |
| Walker 29 G-14-281409 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 99.8K | 660K | Jun 2016 – Aug 2026 |
| Avary, Rosa O-10-24142 | Apache Corporation only | Rhoda Walker (Canyon 5900) | Ward | 2 | 99.2K | 238K | by Jan 1993 – Jul 2018 |
| Walker O-7-6170 | 4-Sight Operating Company, Ltd. only | East Texas | Upshur | 3 | 95.7K | 36.3K | by Jan 1993 – Aug 2026 |
| McKenzie State 6 O-10-37543 | Wyatt Permian, LLC only | Walker (Penn Detrital) | Pecos | 1 | 93.5K | 25.7K | Jun 2005 – Jun 2014 |
| University 18-19 O-10-33400 | Jetta Operating Company, Inc. only | Rhoda Walker (Canyon 5900) | Ward | 2 | 93.3K | 586K | by Jan 1993 – Jul 2025 |
| Hall-Thornton Unit O-10-33854 | Nesitor West Texas LLC only | Rhoda Walker (Canyon 5900) | Ward | 1 | 93.3K | 407K | Jun 1993 – Apr 2019 |
| Walker, J. B. O-9-666 | Lakeshore Operating, LLC only | Jameson (Strawn) | Coke | 3 | 92.7K | 148K | by Jan 1993 – May 2023 |
| Walker, S. D. O-7-8320 | Linder, John Operating Co., LLC only | East Texas | Gregg | 4 | 91.8K | 21 | by Jan 1993 – Aug 2026 |
| Herring O-10-29774 | Endeavor Energy Resources L.P. only | Rhoda Walker (Canyon 5900) | Ward | 2 | 90.7K | 133K | by Jan 1993 – Jun 2020 |
| Avary, G. Q. -132- O-10-28072 | Amtex Energy, Inc. only | Rhoda Walker (Canyon 5900) | Ward | 2 | 85.6K | 125K | by Jan 1993 – Aug 2026 |
| Walker O-14-7307 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 3 | 85.1K | 260K | Apr 1999 – Sep 2015 |
| Walker, James E., -B- O-10-21149 | Crescent Energy Operating, LLC only | Big Spring (Fusselman) | Howard | 2 | 84.2K | 84.1K | by Jan 1993 – Dec 2025 |
| Walker G-14-280788 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 84.2K | 542K | May 2016 – Aug 2026 |
| Wood, L. Est. O-2-8890 | Cummins & Walker Oil Co., Inc. only | Woodsboro (5600 Sand) | Refugio | 1 | 83.6K | 23K | Jun 2004 – Dec 2019 |
| Avary "A" O-10-24750 | Callon Petroleum Operating Co only | Rhoda Walker (Canyon 5900) | Ward | 2 | 82.9K | 138K | by Jan 1993 – Mar 2014 |
| Walker-Buckler "135" Unit O-8-27037 | Van Operating, Ltd. only | Sheri (Miss) | Shackelford | 1 | 81.6K | 128K | Nov 1993 – Sep 2000 |
| Walker, Mary O-3-21659 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 79.2K | 604K | by Jan 1993 – Jul 2021 |
| University "K" O-10-34070 | Spindletop Drilling Co. only | Rhoda Walker (Canyon 5900) | Ward | 3 | 77.5K | 305K | Jan 1994 – Jan 2020 |
| Stayton O-10-26149 | Diamondback E&P LLC only | Rhoda Walker (Canyon 5900) | Ward | 4 | 75.1K | 511K | by Jan 1993 – Aug 2026 |
| Pomona-Walker O-14-1406 | PNG Production, LLC only | Panhandle Wheeler County Field | Wheeler | 7 | 73.2K | 276K | by Jan 1993 – Aug 2026 |