| Gray Unit O-5-4226 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Brazos | 1 | 226K | 106K | Oct 2015 – Mar 2026 |
| Champion Ray O-3-24298 | HD Operating Co, LLC only | Newton | Newton | 2 | 222K | 633K | Dec 2002 – Feb 2026 |
| Sadler (Dornick Hills) Sand Unit O-13-27921 | Grayson Petroleum Company only | Andrade (Dornick Hills) | Grayson | 13 | 222K | 21 | Jan 1993 – Apr 2026 |
| Erwin-Murray 45B O-10-58228 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 222K | 823K | Oct 2022 – Apr 2026 |
| Ray Reed 33H O-9-21210 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 221K | 1.6M | May 2021 – Apr 2026 |
| Reed Brothers De O-10-41054 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 20 | 220K | 0 | Dec 2011 – Apr 2026 |
| Chadbourne, W. Ft. /Gray Sd./Un. O-9-5917 | Vanguard Operating, LLC only | Fort Chadbourne, West | Coke | 8 | 218K | 175K | Jan 1993 – Sep 2016 |
| South Lake Trammel Unit O-8-11281 | Grayrock Energy II, LLC only | Lake Trammel, S. (Canyon) | Nolan | 54 | 217K | 465K | Jan 1993 – Apr 2026 |
| Chapman, A. -a- NCT-2 O-14-1533 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 9 | 217K | 111K | Jan 1993 – Apr 2026 |
| Hickman "P" O-9-10184 | Digital Operating Company LLC only | Price (Grayburg) | Reagan | 13 | 216K | 151K | Jan 1993 – Mar 2026 |
| Erwin-Murray 45I O-10-58230 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 215K | 525K | Sep 2022 – Apr 2026 |
| Gething, E. E. O-14-546 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 17 | 214K | 55.5K | Jan 1993 – Apr 2026 |
| South Phoenix (Grayburg) Unit O-10-32071 | Cazador Operating, LLC only | Phoenix (Grayburg) | Martin | 28 | 214K | 147 | Jan 1993 – Jun 2014 |
| Raywood Investments G-3-185403 | Ballard Exploration Company,inc. only | Raywood (East Cook Mountain) | Liberty | 1 | 212K | 3.89M | Jun 2001 – Jan 2006 |
| Young, J. W. O-9-3735 | Digital Operating Company LLC only | Price (Grayburg) | Reagan | 22 | 211K | 225K | Jan 1993 – Mar 2026 |
| Palmer, J. H. O-14-333 | Mon Corp. only | Panhandle Gray County Field | Gray | 8 | 211K | 390K | Jan 1993 – Apr 2026 |
| Gray, Floy -A- O-1-1496 | B. J. P. Operating only | Salt Flat | Caldwell | 22 | 211K | 378K | Jan 1993 – Apr 2026 |
| Arrott Brothers "A" O-9-14328 | Delray Oil, Inc. only | Bud Johnson (Ellenburger) | Coke | 1 | 210K | 64 | Feb 1996 – Mar 2026 |
| La Jolla G-4-145366 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 210K | 2.08M | Mar 1993 – Dec 2003 |
| Worley Polymer O-14-4716 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 60 | 210K | 367K | Jan 1993 – Apr 2026 |
| Glover-Rayes Alloc A O-1-19609 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 210K | 156K | Apr 2019 – Mar 2026 |
| Rayes Camaro A1 O-1-21081 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 209K | 172K | Dec 2023 – Mar 2026 |
| Patton, J. M. O-14-648 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 19 | 208K | 143K | Jan 1993 – Apr 2026 |
| Traylor SW Zav A O-1-20492 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 208K | 58.8K | Jun 2021 – Apr 2026 |
| Key, E. O-14-644 | Large Operating LLC only | Panhandle Gray County Field | Gray | 20 | 206K | 80.4K | Jan 1993 – Apr 2026 |
| Chapman /49/ O-14-425 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 14 | 206K | 218K | Jan 1993 – Apr 2026 |
| Donnell, Sallie R. -D- O-13-8092 | S.B. Street Operating, Inc. only | Murray (Mississippi) | Young | 5 | 204K | 152K | Jan 1993 – Apr 2026 |
| Grayson, H. S. O-9-542 | Trojan Oil Company, LLC only | Grayson | Reagan | 9 | 204K | 21 | Jan 1993 – Apr 2026 |
| Gray Unit O-3-27693 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 1 | 204K | 156K | Mar 2019 – Mar 2026 |
| Glendening -A- O-10-22842 | Extex Operating Company only | Phoenix (Grayburg) | Martin | 2 | 202K | 16.9K | Jan 1993 – Apr 2026 |
| Zgabay,raymond O-3-12572 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 4 | 201K | 1.7M | Jan 1993 – Dec 2020 |
| Salt Gray O-2-12843 | Magnolia Oil & Gas Operating LLC only | Sugarkane (Austin Chalk) | Karnes | 1 | 201K | 724K | Jul 2024 – Apr 2026 |
| University "49-6" O-9-11369 | L & M Operating, Inc. only | Price (Grayburg) | Reagan | 10 | 200K | 607K | Jan 1993 – Apr 2026 |
| Sears, Amy Unit O-8-8193 | Grayrock Energy II, LLC only | Bartlett, East | Jones | 31 | 200K | 449K | Jan 1993 – Apr 2026 |
| Seale Ranch Unit "A" O-3-23471 | TE-Ray Resources, LLC only | Kurten (Buda) | Brazos | 1 | 200K | 237K | Feb 1998 – Mar 2026 |
| Traylor Unit Zav O-1-17112 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 198K | 180K | Oct 2013 – Apr 2026 |
| Rayes Camaro Poenisch A1 O-1-21082 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 196K | 178K | Dec 2023 – Mar 2026 |
| State University BA O-10-36900 | XTO Energy Inc. only | Triple-N (Grayburg) | Andrews | 6 | 195K | 73.4K | Mar 2002 – Dec 2023 |
| Xray O-10-62103 | Strawn Petroleum Operating, LLC only | Garden City, S. (Wolfcamp) | Scurry | 1 | 194K | 417K | Feb 2023 – Apr 2026 |
| Ray O-6-15860 | Strand Energy, L.C. only | Crow (Paluxy, Lower) | Wood | 1 | 194K | 17K | Apr 2022 – Apr 2026 |
| Ring University O-10-13698 | Energen Resources Corporation only | Block 2 (Grayburg) | Andrews | 5 | 194K | 18 | Jan 1993 – Jun 2003 |
| Ray O-10-37772 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 5 | 193K | 918K | Feb 2006 – Mar 2026 |
| Bowers O-14-1737 | M.D. Skroopka Operating, LLC only | Panhandle Gray County Field | Gray | 5 | 192K | 413K | Jan 1993 – Apr 2026 |
| Ray-Winkleman C43B O-10-60629 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 191K | 271K | Jun 2024 – Apr 2026 |
| Harris, Garland V. O-1-1952 | Delray Oil, Inc. only | Spiller | Guadalupe | 26 | 191K | 93.8K | Jan 1993 – Apr 2026 |
| Murray "C" O-10-28419 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 191K | 281K | Jan 1993 – Apr 2026 |
| Shirk O-9-3267 | Tres Roughneckas WTX LLC only | Shirk (Grayburg) | Upton | 4 | 188K | 82 | Jan 1993 – Jan 2026 |
| Wright -B- O-14-587 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 6 | 188K | 637K | Jan 1993 – Apr 2026 |
| Wheat O-14-502 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 10 | 186K | 288K | Jan 1993 – Apr 2026 |
| Du Jay, Joyce "A" G-3-191193 | Grayrock Energy II, LLC only | Sour Lake, E. (Yegua #7) | Hardin | 1 | 186K | 4M | Sep 2002 – Dec 2023 |