| Westbrook Southwest Unit O-10-21120 | Westbrook | Mitchell | 371 | 8.65M | 21 | Jan 1993 – Jul 2026 |
| Dodge, Granville M., Est. O-10-2905 | Iatan, East Howard | Howard | 262 | 5.2M | 438K | Jan 1993 – Jul 2026 |
| Lake Trammel Unit O-8-8712 | Lake Trammel, W. (Canyon) | Nolan | 203 | 3.85M | 2.09M | Jan 1993 – Jul 2026 |
| Snyder, Susie B. O-10-6197 | Snyder | Howard | 83 | 1.3M | 23.4K | Jan 1993 – Jul 2026 |
| West Flowers Unit O-8-11787 | Flowers, W. (Canyon Sand) | Stonewall | 98 | 1.15M | 600K | Jan 1993 – Jul 2026 |
| Snyder, B. S. -A- O-10-6213 | Snyder | Howard | 28 | 1.14M | 95.3K | Jan 1993 – Jul 2026 |
| Kloh O-10-42224 | Howard Glasscock (Consolidated) | Howard | 80 | 997K | 0 | Dec 2011 – Jul 2026 |
| Davis, J. W. -B- O-10-2902 | Iatan, East Howard | Howard | 17 | 691K | 24.9K | Jan 1993 – Jul 2026 |
| Chalk, G. O. O-10-42240 | Howard Glasscock (Consolidated) | Howard | 40 | 563K | 286 | Dec 2011 – Jul 2026 |
| Mead Strawn Unit O-8-9659 | Mead (Strawn) | Jones | 19 | 451K | 241K | Jan 1993 – Jul 2026 |
| Snyder, B. S. -C- O-10-6219 | Snyder | Howard | 39 | 443K | 34K | Jan 1993 – Jul 2026 |
| Frymire Waterflood Unit O-8-26877 | Lake Trammel, W. (Canyon) | Nolan | 21 | 431K | 99.9K | May 1993 – Jul 2026 |
| Settles, W. R. O-10-41272 | Howard Glasscock (Consolidated) | Howard | 47 | 426K | 0 | Dec 2011 – Jul 2026 |
| House, E. O-11-5741 | Sharon Ridge (1700) | Scurry | 13 | 393K | 22 | Jan 1993 – Jul 2026 |
| TXL, B. S. -D- O-10-6195 | Snyder | Howard | 18 | 360K | 34.8K | Jan 1993 – Jul 2026 |
| Hardee, B. O-11-5740 | Sharon Ridge (1700) | Scurry | 17 | 328K | 22 | Jan 1993 – Jul 2026 |
| Brinkley "A" O-8-4263 | Flowers (Canyon Sand) | Stonewall | 52 | 303K | 190K | Jan 1993 – Jul 2026 |
| Snyder, B. S. -E- O-10-6221 | Snyder | Howard | 20 | 287K | 27.7K | Jan 1993 – Jul 2026 |
| Denman, L. C. -B- O-10-2904 | Iatan, East Howard | Howard | 9 | 278K | 264 | Jan 1993 – Jul 2026 |
| Denman, L. C., -A- O-10-2903 | Iatan, East Howard | Howard | 16 | 276K | 3.07K | Jan 1993 – Jul 2026 |
| Ackers "80" O-8-29919 | Guitar (Gardner Sand) | Callahan | 2 | 263K | 289K | May 2007 – Jul 2026 |
| TXL, B. S. -A- O-10-6214 | Snyder | Howard | 18 | 234K | 10.6K | Jan 1993 – Jul 2026 |
| Phillips O-10-42209 | Howard Glasscock (Consolidated) | Glasscock | 9 | 232K | 0 | Dec 2011 – Jul 2026 |
| Ackers (Morris Sand) Unit O-8-22954 | Ackers (Morris Sand) | Shackelford | 30 | 232K | 22 | Jan 1993 – Jul 2026 |
| Clay O-10-42235 | Howard Glasscock (Consolidated) | Howard | 29 | 230K | 24.9K | Dec 2011 – Jul 2026 |
| Reed Brothers DE O-10-41054 | Howard Glasscock (Consolidated) | Howard | 20 | 220K | 0 | Dec 2011 – Jul 2026 |
| South Lake Trammel Unit O-8-11281 | Lake Trammel, S. (Canyon) | Nolan | 54 | 217K | 465K | Jan 1993 – Jul 2026 |
| Sears, Amy Unit O-8-8193 | Bartlett, East | Jones | 31 | 200K | 449K | Jan 1993 – Jul 2026 |
| Jones -G- O-8-4315 | Guest (Canyon Sand) | Stonewall | 5 | 168K | 140K | Jan 1993 – Jul 2026 |
| Douthit, E. W. DE O-10-41277 | Howard Glasscock (Consolidated) | Howard | 22 | 157K | 33 | Dec 2011 – Jul 2026 |
| Guitar, Earl O-8-12849 | Guitar (Gardner Sand) | Callahan | 5 | 148K | 51.9K | Jan 1993 – Jul 2026 |
| Reed. L. R & W. N. O-10-41275 | Howard Glasscock (Consolidated) | Howard | 35 | 138K | 0 | Dec 2011 – Jul 2026 |
| Clay, H. R. O-10-41676 | Howard Glasscock (Consolidated) | Howard | 36 | 135K | 0 | Dec 2011 – Jul 2026 |
| Rutherford O-8-30407 | Flowers, W. (Canyon Sand) | Stonewall | 4 | 126K | 23.6K | Aug 2009 – Jul 2026 |
| Batjer, Patti -B- O-10-41781 | Howard Glasscock (Consolidated) | Howard | 13 | 115K | 0 | Dec 2011 – Jul 2026 |
| Douthit, E. W. -A- O-10-42228 | Howard Glasscock (Consolidated) | — | 4 | 114K | 0 | Dec 2011 – Jul 2026 |
| Denman /Clark/ O-10-2870 | Iatan, East Howard | Howard | 8 | 110K | 264 | Jan 1993 – Jul 2026 |
| Morrison -G- O-10-22658 | Westbrook | Mitchell | 12 | 107K | 21 | Jan 1993 – Jul 2026 |
| Douthit, E. W. -B- O-10-42229 | Howard Glasscock (Consolidated) | Howard | 3 | 107K | 0 | Dec 2011 – Jul 2026 |
| Hooks Ranch Unit O-8-8231 | Callahan County Regular | Callahan | 13 | 101K | 42 | Jan 1993 – Jul 2026 |
| Goodwin O-8-30016 | Ball-Kuehn (Strawn) | Jones | 1 | 99.6K | 66.6K | Oct 2007 – Jul 2026 |
| North Rough Draw Unit O-8-10699 | Rough Draw, N. (Noodle Creek) | Kent | 19 | 99.4K | 3.81K | Jan 1993 – Jul 2026 |
| Hall O-8-30043 | Largent, W. (Strawn Sand) | Jones | 6 | 94.8K | 211K | Jan 2008 – Jul 2026 |
| Annis O-8-4268 | Flowers (Canyon Sand) | Stonewall | 11 | 92.8K | 7.76K | Jan 1993 – Jul 2026 |
| Batjer, Patti -C- O-10-41851 | Howard Glasscock (Consolidated) | Howard | 8 | 88.7K | 0 | Dec 2011 – Jul 2026 |
| Douthit, E. W. -C- DE O-10-41057 | Howard Glasscock (Consolidated) | Howard | 18 | 88.5K | 0 | Dec 2011 – Jul 2026 |
| Chalk -A- O-10-42210 | Howard Glasscock (Consolidated) | Howard | 12 | 86.2K | 16.8K | Dec 2011 – Jul 2026 |
| Hankins, E. -A- O-8-26265 | Coyote Ridge (Cook, Upper) | Taylor | 2 | 84.9K | 20 | Jan 1993 – Jul 2026 |
| TXL, B. S. -C- O-10-11645 | Snyder | Howard | 11 | 81.8K | 2.65K | Jan 1993 – Jul 2026 |
| Douthit, E. W. -B- DE O-10-41056 | Howard Glasscock (Consolidated) | Howard | 7 | 80.7K | 0 | Dec 2011 – Jul 2026 |