| 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 |
| Reed "D-142" O-10-22078 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 303K | 333 | Jan 1993 – Nov 2011 |
| Chalk, G. O. -B- O-10-22084 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 300K | 14.1K | Jan 1993 – Nov 2011 |
| Southland O-10-30038 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 197K | 21 | Jan 1993 – Nov 2011 |
| Cole O-10-30428 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Howard | 6 | 190K | 6.34K | Jan 1993 – Nov 2011 |
| Batjer, Patti -B- O-10-28805 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 11 | 174K | 612 | Jan 1993 – Nov 2011 |
| Chalk, G. O. -D- O-10-22055 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 5 | 157K | 7.1K | Jan 1993 – Nov 2011 |
| Southland "A" O-10-30976 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Howard | 2 | 126K | 21 | Jan 1993 – Nov 2011 |
| Batjer, Patti -C- O-10-29268 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 8 | 115K | 153 | Jan 1993 – Nov 2011 |
| 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 |
| Chalk, Mary O-10-22065 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 6 | 94K | 22.1K | Jan 1993 – Nov 2011 |
| 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 |
| Chalk, G. O. O-10-21433 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 2 | 70.9K | 1.62K | Jan 1993 – Nov 2011 |
| Chalk, G.O. -A- O-10-29702 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 2 | 62.6K | 15.8K | Jan 1993 – Nov 2011 |
| Batjer, Patti O-10-29206 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 59.7K | 607 | Jan 1993 – Nov 2011 |
| Chalk, G. D. E. O-10-28826 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 3 | 59.1K | 4.43K | 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 |
| Southland -B- O-10-31198 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Andrews | 3 | 48.2K | 21 | Jan 1993 – Oct 2011 |
| Chalk, G. O. -G- O-10-22056 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 5 | 46.5K | 7.36K | Jan 1993 – Nov 2011 |
| Reed "C" O-10-35197 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 39K | 0 | Dec 1996 – Oct 2011 |
| Hooks, A. J. O-10-22541 | Moss Petroleum Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 36.3K | 20 | Jan 1993 – Nov 2011 |
| Cities-Reed O-10-21573 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 23.7K | 23 | Jan 1993 – Sep 2011 |
| Battjer, Patti O-10-31137 | Wash, Robert C. Inc. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 18.7K | 181 | Jan 1993 – Nov 2011 |
| Hyman, Sarah O-10-41413 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 17.6K | 147 | May 2011 – Nov 2011 |
| 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 |
| Otis, John -B- O-10-31131 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 11.5K | 21 | Jan 1993 – Nov 2011 |
| Chalk, Otis O-10-22361 | Westport Oil and Gas Company, LP only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 7.22K | 1.78K | Jan 1993 – Oct 1999 |
| Chalk, G. O. C O-10-41491 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 5.37K | 660 | Jun 2011 – Nov 2011 |
| Hyman -J- O-10-31867 | Big D Energy Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 3.35K | 11 | Feb 1996 – Apr 2011 |
| Chalk, Sloan O-10-41263 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 3 | 2.95K | 82 | May 2011 – Nov 2011 |
| Chalk, Owen O-10-38943 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 2.12K | 445 | Mar 2010 – Nov 2011 |
| Southland -C- O-10-31173 | Guthrie, A. K. Operating Co. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 2.07K | 21 | Jan 1993 – Jan 1995 |
| Roberts, Dora -A- O-10-37254 | Aethon I LP only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 39 | 0 | Nov 2003 – Feb 2004 |
| Doris Chalk -B- O-10-29171 | Keeley Oil, L.L.C. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 0 | — |
| Kelly-Roberts O-10-41090 | Conocophillips Company only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 0 | — |
| Douthit, E. W. -C- O-10-22382 | Cimarex Energy Co. of Colorado only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 37 | Jan 1993 – May 2002 |
| Fluor O-10-22134 | Legacy Reserves Operating LP only | Howard Glasscock (Clear Fork,mi) | Howard | 2 | 0 | 0 | — |
| Reed -A- O-10-21914 | Dickson Petroleum, Inc. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 0 | — |
| Glass SWD O-10-43811 | Surge Operating, LLC only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 0 | — |
| Douthit O-10-30789 | Quail Operating, Inc. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 0 | 0 | — |