| Glasscock, Howard W. (G-S) Unit O-10-41062 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Glasscock | 242 | 5.93M | 43K | Dec 2011 – Apr 2026 |
| Settles, W. R. -A- O-10-41251 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 118 | 1.79M | 90.2K | Dec 2011 – Apr 2026 |
| Settles, W. R. O-10-41250 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 76 | 1.53M | 84.5K | Dec 2011 – Apr 2026 |
| Roberts, Dora -Bde- O-10-41064 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 146 | 1.34M | 33.8K | Dec 2011 – Apr 2026 |
| Roberts, Dora O-10-41282 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 53 | 1.3M | 19.8K | Dec 2011 – Apr 2026 |
| Kloh Etal O-10-41524 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 84 | 1.23M | 68.6K | Dec 2011 – Apr 2026 |
| Roberts, Dora O-10-41261 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 39 | 1.14M | 27.1K | Dec 2011 – Apr 2026 |
| Chalk, G. O. -D- O-10-41216 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 32 | 1.12M | 252K | Dec 2011 – Apr 2026 |
| Kloh O-10-42224 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 80 | 997K | 0 | Dec 2011 – Apr 2026 |
| Hyman, Sarah O-10-41242 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 40 | 949K | 234K | Dec 2011 – Apr 2026 |
| Overton, B. O-10-41245 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 34 | 891K | 24.8K | Dec 2011 – Apr 2026 |
| Chalk, G. O. -C- O-10-41213 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 26 | 736K | 111K | Dec 2011 – Apr 2026 |
| Howard Glasscock East Unit O-10-46924 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 147 | 634K | 0 | Dec 2011 – Apr 2026 |
| Owen-Chalk O-10-41222 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 30 | 600K | 191K | Dec 2011 – Apr 2026 |
| Chalk, G. O. O-10-42240 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 40 | 563K | 286 | Dec 2011 – Apr 2026 |
| Eason, S. T. O-10-41235 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 16 | 533K | 17.7K | Dec 2011 – Apr 2026 |
| Chalk, G. O.-G- O-10-41220 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 38 | 496K | 140K | Dec 2011 – Apr 2026 |
| Warder O-10-41063 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 29 | 492K | 69 | Dec 2011 – Apr 2026 |
| Chalk, Otis O-10-41051 | Unitex Oil & Gas, L.L.C. only | Howard Glasscock (Consolidated) | Howard | 42 | 481K | 26.6K | Dec 2011 – Apr 2026 |
| Roberts, Dora O-10-46922 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 61 | 464K | 0 | Dec 2011 – Apr 2026 |
| Chalk, G.O.-B- O-10-41211 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 13 | 436K | 89.6K | Dec 2011 – Apr 2026 |
| Settles, W. R. O-10-41272 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 47 | 426K | 0 | Dec 2011 – Apr 2026 |
| Chalk,mary O-10-41221 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 37 | 366K | 130K | Dec 2011 – Apr 2026 |
| Kloh -A- O-10-41281 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 15 | 336K | 35 | Dec 2011 – Apr 2026 |
| Chalk, G.O.-E- O-10-41219 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 24 | 321K | 91.6K | Dec 2011 – Apr 2026 |
| Chalk, Otis O-10-46457 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 23 | 297K | 71.6K | Dec 2011 – Apr 2026 |
| Roberts, Dora -A- O-10-41061 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 27 | 294K | 6.83K | Dec 2011 – Apr 2026 |
| Douthit-B 1 O-10-41234 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 16 | 266K | 33.3K | Dec 2011 – Apr 2026 |
| Kloh-Rumsey O-10-41652 | Extex Operating Company only | Howard Glasscock (Consolidated) | Howard | 12 | 244K | 0 | Dec 2011 – Apr 2026 |
| Chalk, Sloan O-10-41223 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 18 | 243K | 86.7K | Dec 2011 – Apr 2026 |
| Phillips O-10-42209 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Glasscock | 9 | 232K | 0 | Dec 2011 – Apr 2026 |
| Clay O-10-42235 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 29 | 230K | 24.9K | Dec 2011 – Apr 2026 |
| Reed Brothers De O-10-41054 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 20 | 220K | 0 | Dec 2011 – Apr 2026 |
| Settles, W. R. O-10-41059 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 21 | 211K | 35 | Dec 2011 – Apr 2026 |
| Chalk O-10-41645 | Extex Operating Company only | Howard Glasscock (Consolidated) | Howard | 29 | 194K | 0 | Dec 2011 – Apr 2026 |
| Douthit, E. W. De O-10-41277 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 22 | 157K | 33 | Dec 2011 – Apr 2026 |
| Chalk, G. O.-A- O-10-41210 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 10 | 156K | 52.7K | Dec 2011 – Apr 2026 |
| Reed, W. N. & L. & R. O-10-41249 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 11 | 139K | 33.9K | Dec 2011 – Apr 2026 |
| Reed-McDonald 152 O-10-41260 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Glasscock | 4 | 138K | 18.3K | Dec 2011 – Apr 2026 |
| Reed. L. R & W. N. O-10-41275 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 35 | 138K | 0 | Dec 2011 – Apr 2026 |
| Clay, H. R. O-10-41676 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 36 | 135K | 0 | Dec 2011 – Apr 2026 |
| Settles-Yates Unit O-10-41256 | Conocophillips Company only | Howard Glasscock (Consolidated) | Howard | 34 | 131K | 1.05K | Dec 2011 – Aug 2014 |
| Chalk, G. O. -F- O-10-41233 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 6 | 126K | 29.4K | Dec 2011 – Apr 2026 |
| Chalk -A- O-10-41129 | Sweet Crude Operating LLC only | Howard Glasscock (Consolidated) | Howard | 10 | 126K | 0 | Dec 2011 – Apr 2026 |
| Overton, B.-A- O-10-41246 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Glasscock | 12 | 125K | 9.35K | Dec 2011 – Apr 2026 |
| Settles -D- O-10-41060 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 15 | 122K | 0 | Dec 2011 – Apr 2026 |
| M. M. Edwards O-10-48124 | Sweet Crude Operating LLC only | Howard Glasscock (Consolidated) | Glasscock | 8 | 117K | 1.08K | Dec 2011 – Apr 2026 |
| Douthit O-10-41225 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 20 | 117K | 42.9K | Dec 2011 – Apr 2026 |
| Clay, H. R.-E- O-10-41290 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 59 | 116K | 0 | Dec 2011 – Dec 2025 |
| Batjer, Patti -B- O-10-41781 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 13 | 115K | 0 | Dec 2011 – Apr 2026 |