| Glasscock, Howard W. (G-S) Unit O-10-41062 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Glasscock | 242 | 5.93M | 43K | Dec 2011 – Jul 2026 |
| Glasscock, Howard W. (G-S) Unit O-10-22575 | Sheridan Production Company, LLC only | Howard Glasscock | Glasscock | 287 | 4.42M | 70.5K | Jan 1993 – Jun 2014 |
| Settles, W. R. -A- O-10-2704 | Conocophillips Company only | Howard Glasscock | Howard | 138 | 3.07M | 72.3K | Jan 1993 – May 2012 |
| Kloh O-10-2748 | Cimarex Energy Co. of Colorado only | Howard Glasscock | Howard | 88 | 1.84M | 751 | Jan 1993 – Mar 2013 |
| Kloh O-10-42224 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 80 | 997K | 0 | Dec 2011 – Jul 2026 |
| Roberts, Dora O-10-2774 | Conocophillips Company only | Howard Glasscock | Howard | 55 | 607K | 2.33K | Jan 1993 – Feb 2013 |
| Phillips O-10-2809 | Cimarex Energy Co. of Colorado only | Howard Glasscock | Glasscock | 15 | 552K | 21 | Jan 1993 – Mar 2013 |
| Phillips O-10-42209 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Glasscock | 9 | 232K | 0 | Dec 2011 – Jul 2026 |
| Overton, B. -A- O-10-2701 | Conocophillips Company only | Howard Glasscock | Glasscock | 29 | 230K | 11.5K | Jan 1993 – May 2014 |
| Phillips, H. O-10-2702 | Apache Corporation only | Howard Glasscock | Glasscock | 11 | 208K | 1.1K | Jan 1993 – Oct 2015 |
| M. M. Edwards O-10-20161 | MGM Oil & Gas Company only | Howard Glasscock | Glasscock | 10 | 191K | 72 | Jan 1993 – Feb 2017 |
| Reed-McDonald 152 O-10-41260 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Glasscock | 4 | 138K | 18.3K | Dec 2011 – Jul 2026 |
| Gilbreath, S. O-10-2698 | Apache Corporation only | Howard Glasscock | Glasscock | 11 | 127K | 1.18K | Jan 1993 – Oct 2015 |
| Overton, B.-A- O-10-41246 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Glasscock | 12 | 125K | 9.35K | Dec 2011 – Jul 2026 |
| M. M. Edwards O-10-48124 | Sweet Crude Operating LLC only | Howard Glasscock (Consolidated) | Glasscock | 8 | 117K | 1.08K | Dec 2011 – Jul 2026 |
| Phillips, H. O-10-46386 | Apache Corporation only | Howard Glasscock (Consolidated) | Glasscock | 9 | 114K | 0 | Dec 2011 – Jul 2026 |
| Howard, William -20- O-10-24632 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 5 | 104K | 713K | Jan 1993 – Jul 2026 |
| Settles, W. R. -C- O-10-10806 | Conocophillips Company only | Howard Glasscock | Howard | 24 | 102K | 8.18K | Jan 1993 – Apr 2012 |
| Edwards -C- O-10-2739 | Ashbrook Oil Co. only | Howard Glasscock | Glasscock | 4 | 86.5K | 21 | Jan 1993 – Dec 2016 |
| Roberts, Dora -a- & -B- O-10-2815 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 19 | 45.8K | 32 | Jan 1993 – May 2016 |
| Chalk, Otis O-10-2737 | Apache Corporation only | Howard Glasscock | Howard | 6 | 42.8K | 11.6K | Jan 1993 – Oct 2015 |
| Roberts, Dora, -B- O-10-19965 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 10 | 41.2K | 33 | Jan 1993 – May 2012 |
| Edwards -C- O-10-47984 | Sweet Crude Operating LLC only | Howard Glasscock (Consolidated) | Glasscock | 4 | 40.5K | 0 | Oct 2014 – Jul 2026 |
| Magnolia-Roberts O-10-2771 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 11 | 27.6K | 32 | Jan 1993 – May 2012 |
| Eason, S. T. -A- O-10-2697 | Conocophillips Company only | Howard Glasscock | Howard | 12 | 26.4K | 1.49K | Jan 1993 – Apr 2012 |
| Howard 32B O-9-9308 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Glasscock | 2 | 22.8K | 244K | Jan 1993 – Sep 2014 |
| Gilbreath, S. O-10-46360 | Apache Corporation only | Howard Glasscock (Consolidated) | Glasscock | 8 | 21.4K | 0 | Dec 2011 – Jul 2026 |
| Roberts, Dora -E- O-10-21840 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 12 | 20.6K | 33 | Jan 1993 – Oct 2016 |
| Roberts, Dora -A- O-10-19363 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 8 | 19.3K | 31 | Jan 1993 – May 2012 |
| Ft. Worth Natl. Bank O-10-19350 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 5 | 17.1K | 31 | Jan 1993 – May 2012 |
| HOWARD,"31" O-9-14060 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Glasscock | 2 | 16.7K | 56.4K | Nov 1995 – Feb 2014 |
| Edwards, W. P. O-10-28163 | Coronado Minerals, LLC only | Howard Glasscock | Glasscock | 2 | 11.3K | 16 | Jan 1993 – Mar 2012 |
| Edwards, W. P. O-10-41111 | Greenstone Energy, LLC only | Howard Glasscock (Consolidated) | Glasscock | 2 | 8.29K | 0 | Dec 2011 – Jul 2026 |
| E. A. Lee -S- O-10-28981 | Coronado Minerals, LLC only | Howard Glasscock | Glasscock | 1 | 8.2K | 20 | Jan 1993 – Jan 2012 |
| Howard, Wm. 31 O-9-8956 | Odessa Exploration, Inc. only | Calvin (Dean) | Glasscock | 2 | 5.15K | 9.89K | Jan 1993 – Mar 2008 |
| Roberts, Dora -A- O-10-41318 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 5 | 4.53K | 0 | Dec 2011 – Jul 2026 |
| Magnolia-Roberts O-10-41317 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 9 | 3.49K | 0 | Dec 2011 – Jul 2026 |
| Roberts, Dora -B- O-10-41313 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 4 | 3.27K | 0 | Dec 2011 – Jul 2026 |
| Lee O-10-41113 | Greenstone Energy, LLC only | Howard Glasscock (Consolidated) | Glasscock | 2 | 3.12K | 0 | Dec 2011 – Jul 2026 |
| Lee O-10-2808 | Coronado Minerals, LLC only | Howard Glasscock | Glasscock | 5 | 3.11K | 6 | Jan 1993 – Mar 2012 |
| Clay, H. R. -C- O-10-26209 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 3 | 2.63K | 22 | Jan 1993 – Mar 2012 |
| Ft. Worth Natl. Bank O-10-41319 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 4 | 2.54K | 0 | Dec 2011 – Jul 2026 |
| Roberts, Dora -E- O-10-41311 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 7 | 1.65K | 0 | Dec 2011 – Jul 2026 |
| Gillean, C. O-10-2751 | Basic Energy Services, L.P. only | Howard Glasscock | Glasscock | 3 | 536 | 57 | Jan 1993 – Oct 2016 |
| W. P. Edwards -E- O-10-28979 | Coronado Minerals, LLC only | Howard Glasscock | Glasscock | 3 | 495 | 4 | Jan 1993 – Apr 2013 |
| Dora Roberts -D- O-10-26821 | Golden Specialties Oil & Gas only | Howard-Glasscock (Glorieta) | Glasscock | 1 | 444 | 16 | Jan 1993 – Apr 2017 |
| Lee, E. A. -S- O-10-41114 | Greenstone Energy, LLC only | Howard Glasscock (Consolidated) | Glasscock | 1 | 351 | 0 | Dec 2011 – Jul 2026 |
| Edwards, W. P. -E- O-10-41112 | Greenstone Energy, LLC only | Howard Glasscock (Consolidated) | Glasscock | 1 | 7 | 0 | Dec 2011 – Jul 2026 |
| Traxton Turtle O-10-60702 | Civitas Permian Operating, LLC only | Howard Glasscock (Consolidated) | Glasscock | 1 | 0 | 0 | Jun 2023 – Jul 2026 |
| Howard, William -29- O-10-34631 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Glasscock | 1 | 0 | 0 | Oct 1995 – Oct 2021 |