| Douthit, E. W., -De- O-10-19025 | Merit Energy Company only | Howard-Glasscock (Glorieta) | Howard | 18 | 504K | 49.4K | Jan 1993 – Nov 2011 |
| Douthit Unit O-10-11354 | Endeavor Energy Resources L.P. only | Howard Glasscock | Howard | 95 | 408K | 1.39K | Jan 1993 – Nov 2011 |
| Douthit, E. W. -A- O-10-22380 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 392K | 2.71K | Jan 1993 – Nov 2011 |
| Douthit-B 1 O-10-41234 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 16 | 266K | 33.3K | Dec 2011 – Apr 2026 |
| Douthit O-10-2796 | Conocophillips Company only | Howard Glasscock | Howard | 21 | 246K | 78.8K | Jan 1993 – Nov 2011 |
| Douthit-B 1 O-10-19036 | Conocophillips Company only | Howard-Glasscock (Glorieta) | Howard | 10 | 212K | 53.4K | Jan 1993 – Nov 2011 |
| Douthit, E. W. De O-10-41277 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 22 | 157K | 33 | Dec 2011 – Apr 2026 |
| Douthit, E. W., -B- De O-10-2715 | Merit Energy Company only | Howard Glasscock | Howard | 6 | 150K | 40.6K | Jan 1993 – Nov 2011 |
| Douthit, E. W., -C- De O-10-19028 | Merit Energy Company only | Howard-Glasscock (Glorieta) | Howard | 11 | 129K | 25.2K | Jan 1993 – Nov 2011 |
| Douthit O-10-19014 | Conocophillips Company only | Howard-Glasscock (Glorieta) | Howard | 22 | 124K | 35.3K | Jan 1993 – Nov 2011 |
| Douthit O-10-41225 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 20 | 117K | 42.9K | Dec 2011 – Apr 2026 |
| Douthit, E. W. -A- O-10-42228 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 4 | 114K | 0 | Dec 2011 – Apr 2026 |
| Douthit, E. W. -B- O-10-42229 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 3 | 107K | 0 | Dec 2011 – Apr 2026 |
| Douthit, E. W. -M- O-10-22043 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 106K | 35 | Jan 1993 – Nov 2011 |
| Douthit, E. W. -B- O-10-22381 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 103K | 1.05K | Jan 1993 – Nov 2011 |
| Douthit, E. W., -C- De O-10-2716 | Merit Energy Company only | Howard Glasscock | Howard | 11 | 98.4K | 14.9K | Jan 1993 – Nov 2011 |
| Douthit, E. W. -C- De O-10-41057 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 18 | 88.5K | 0 | Dec 2011 – Apr 2026 |
| Douthit, E. W. -B- De O-10-41056 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 7 | 80.7K | 0 | Dec 2011 – Apr 2026 |
| Douthit, E. W. -N- O-10-22147 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 2 | 74.4K | 35 | Jan 1993 – Nov 2011 |
| Douthit-B 1 O-10-2766 | Conocophillips Company only | Howard Glasscock | Howard | 10 | 55.6K | 30.3K | Jan 1993 – Nov 2011 |
| Douthit, E. W., -a- De O-10-2714 | Merit Energy Company only | Howard Glasscock | Howard | 5 | 55.1K | 18.8K | Jan 1993 – Nov 2011 |
| Douthit, Marian O-8-21170 | Wingrove Operating, LLC only | Cothrum-BK (King Sand) | Jones | 5 | 54.6K | 86 | Jan 1993 – Apr 2026 |
| Douthit, E. W., Etux O-10-10587 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 10 | 53.9K | 11.3K | Jan 1993 – Nov 2011 |
| Douthit-B 1 O-10-21934 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 3 | 53.3K | 1.05K | Nov 2009 – Nov 2011 |
| Douthit Unit O-10-41269 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 51 | 47.5K | 0 | Dec 2011 – Mar 2026 |
| Douthit O-10-48009 | RCW Oil, LLC only | Howard Glasscock (Consolidated) | Howard | 6 | 45.4K | 121 | Dec 2011 – Apr 2026 |
| Wash-Douthit "D" O-10-33315 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 4 | 44.3K | 549 | Jan 1993 – Nov 2011 |
| Douthit, E. W. -N- O-10-41274 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 2 | 40.2K | 0 | Dec 2011 – Jan 2026 |
| Douthit O-10-2800 | RCW Oil Company only | Howard Glasscock | Howard | 7 | 38.6K | 227 | Jan 1993 – Nov 2011 |
| Douthit, E. W. -a- De O-10-41276 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 8 | 35.5K | 0 | Dec 2011 – Apr 2026 |
| Douthitt O-10-20874 | Golden Specialties Oil & Gas only | Howard Glasscock | Howard | 9 | 34.1K | 125 | Jan 1993 – Oct 2014 |
| Douthit Sec 176 O-8-27487 | Sojourner Drilling Corporation only | Fgy, SE. (Palo Pinto) | Fisher | 1 | 32.3K | 19.9K | Feb 1995 – Oct 2008 |
| Douthit G O-10-22273 | Sojourner Drilling Corporation only | Howard-Glasscock (Glorieta) | Howard | 5 | 27.5K | 25 | Jan 1993 – Sep 2011 |
| Douthit, E. W., -a- De O-10-19026 | Merit Energy Company only | Howard-Glasscock (Glorieta) | Howard | 2 | 27.4K | 10.1K | Jan 1993 – Nov 2011 |
| Douthit, Mary E. O-10-10558 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 4 | 27.3K | 11.3K | Jan 1993 – Nov 2011 |
| Tex-Han Douthit /San Andres/ O-10-10293 | P4 Operating, LLC only | Howard Glasscock | Howard | 4 | 24.9K | 40 | Jan 1993 – Mar 2014 |
| Douthit, E. W., De O-10-2713 | Merit Energy Company only | Howard Glasscock | Howard | 17 | 21.1K | 2.01K | Jan 1993 – Nov 2011 |
| Douthit A O-10-22734 | Sojourner Drilling Corporation only | Howard Glasscock | Howard | 8 | 20.8K | 25 | Jan 1993 – Dec 2013 |
| Wash-Douthit "D" O-10-48150 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 2 | 18K | 121 | Dec 2011 – Apr 2026 |
| Douthit, E. W. -M- O-10-41273 | Oak Prairie Operations, LLC only | Howard Glasscock (Consolidated) | Howard | 4 | 17.1K | 0 | Dec 2011 – May 2021 |
| Douthit "115" O-10-35258 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 16.6K | 0 | Jan 1997 – Oct 2011 |
| Douthit -A- O-10-32744 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 2 | 11.5K | 200 | Jan 1993 – Mar 2013 |
| Douthit, E. W., Etux O-10-48146 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 10 | 11.4K | 121 | Dec 2011 – Apr 2026 |
| Douthit O-10-24155 | Soma Operating Company, LLC only | Howard Glasscock | Mitchell | 12 | 10.2K | 142 | Jan 1993 – Dec 2009 |
| Douthit B O-8-31159 | 5L Properties, Inc. only | Lueders, S. (King Sand) | Jones | 5 | 10.1K | 0 | Oct 2012 – Dec 2024 |
| Douthit -a- MWJ O-10-42251 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 2 | 5.5K | 120 | Dec 2011 – Apr 2026 |
| Douthit "115" O-10-42231 | Rover Petroleum Operating, LLC only | Howard Glasscock (Consolidated) | Howard | 1 | 5.18K | 0 | Dec 2011 – Aug 2018 |
| Douthit, Marion 'A' O-8-21469 | Guidance Oil Developers, Inc. only | Cothrum-BK (King Sand) | Jones | 3 | 4.5K | 19 | Jan 1993 – Jul 1994 |
| Douthit, Mary E. O-10-48145 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 4 | 3.73K | 123 | Dec 2011 – Feb 2026 |
| Tex-Han Douthit/San Andres/ O-10-48156 | P4 Operating, LLC only | Howard Glasscock (Consolidated) | Howard | 4 | 3.72K | 0 | Apr 2014 – Apr 2026 |