| Pecos SN 43-31 01 G-10-299033 | Hannathon Petroleum II, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 4.63K | 579K | Sep 2024 – Apr 2026 |
| Smith Unit O-10-43340 | PPC Operating Company LLC only | Mustang (Wolfcamp) | Glasscock | 1 | 4.63K | 8.54K | Jul 2012 – Nov 2013 |
| Glass, Frank 16 G-10-221217 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.6K | 123K | Nov 2006 – Apr 2026 |
| Barfield 5 -B- O-10-30753 | Arkland Producing Co., Inc. only | Dewey Lake, S. (Strawn) | Glasscock | 1 | 4.57K | 323K | Jan 1993 – Sep 2013 |
| Cox, C. J. "A" O-10-36059 | Merit Energy Company only | Spraberry (Trend Area CL. Fk.) | Glasscock | 1 | 4.55K | 14.8K | Jun 1999 – Jul 2001 |
| Roberts, Dora -A- O-10-41318 | Apv McCamey LLC only | Howard Glasscock (Consolidated) | Glasscock | 5 | 4.53K | 0 | Dec 2011 – Apr 2021 |
| Edmondson B O-10-35639 | EQT Production Texas, LLC only | Conger (Penn) | Glasscock | 1 | 4.51K | 189K | Nov 1997 – Apr 2016 |
| Calverley, N. R. "B" O-9-10081 | Stephens, Autry C. only | Calvin (Dean) | Glasscock | 1 | 4.49K | 10.2K | Jan 1993 – Oct 1995 |
| Calvealey, N. R. -A- O-9-7199 | Stephens, Autry C. only | Calvin (Dean) | Glasscock | 2 | 4.48K | 10.2K | Jan 1993 – Oct 1995 |
| Bailey O-10-28185 | Jetta Operating Company, Inc. only | Dewey Lake, S. (Strawn) | Glasscock | 1 | 4.42K | 238K | Jan 1993 – Aug 2001 |
| Sterling "W" Fee O-10-37646 | Burk Royalty Co., Ltd. only | Barbee, NE (Wichita-Albany) | Glasscock | 1 | 4.41K | 8.59K | May 2005 – Feb 2014 |
| McDaniel,audie O-10-29458 | Exxon Corp. only | McDaniel (Wolfcamp) | Glasscock | 1 | 4.41K | 15.3K | Jan 1993 – Oct 1996 |
| Cole, Eva O-10-40633 | King Energy Resources only | Clyde-Reynolds (Wolfcamp Cons.) | Glasscock | 1 | 4.4K | 191K | Apr 2011 – Apr 2026 |
| Glasscock-B-Fee O-10-48154 | Ellison Lease Operating only | Clyde-Reynolds (Wolfcamp Cons.) | Glasscock | 1 | 4.36K | 0 | Jan 2015 – Mar 2026 |
| Thomason "D" G-10-195340 | Diamondback E&P LLC only | St. Lawrence S. (Strawn) | Glasscock | 1 | 4.31K | 211K | Dec 2002 – Jul 2011 |
| Frysak, A. M. "B" O-10-23611 | Energen Resources Corporation only | Spraberry (Trend Area) | Glasscock | 1 | 4.3K | 39.9K | Jan 1993 – May 2002 |
| Abel O-10-33889 | Thompson, J. Cleo only | Blalock (Strawn) | Glasscock | 1 | 4.27K | 18.6K | Jul 1993 – Dec 1996 |
| Neal-Edwards "48" O-10-39039 | Apache Corporation only | Garden City, S. (Wolfcamp) | Glasscock | 1 | 4.26K | 10.2K | Jun 2008 – Aug 2014 |
| Glasscock 'V' Fee G-10-149802 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.25K | 432K | Apr 1994 – Apr 2026 |
| Green Hornet West O-10-62658 | Trilogy Operating, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 4.2K | 14.8K | Dec 2024 – Apr 2026 |
| Brunson -18- O-10-30720 | Orbit Crude, Inc. only | Dewey Lake (Strawn) | Glasscock | 1 | 4.17K | 9.93K | Jan 1993 – Jul 2010 |
| Glasscock 'W' Fee G-10-149849 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.15K | 188K | May 1994 – Nov 2006 |
| Clark, L. C., -B- O-10-20258 | Hanley Petroleum Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 4.15K | 13.4K | Jan 1993 – Apr 1996 |
| Cotten O-10-34878 | Mineral Technologies, Inc. only | Apple Creek (Wolfcamp) | Glasscock | 2 | 4.13K | 8.05K | Feb 1996 – Jan 2010 |
| Cox 18 O-9-13075 | Odessa Exploration, Inc. only | Calvin (Dean) | Glasscock | 1 | 4.12K | 24.5K | Jan 1993 – Oct 1995 |
| Glasscock 'W' Fee G-10-150708 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.12K | 426K | Jul 1994 – Apr 2026 |
| Arco-Books "8" O-10-52826 | Amtex Energy, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 4.12K | 0 | Oct 2019 – Apr 2026 |
| Jurecek O-10-24580 | Tamarack Petroleum Company, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 4.1K | 11.1K | Jan 1993 – Nov 1998 |
| Schrock, W. M. "24" O-10-23998 | Arco Oil & Gas Co. only | Spraberry(trend Area Dean-Wlfcp) | Glasscock | 3 | 4.06K | 469 | Jan 1993 – Feb 1993 |
| Currie, C.w.,et Al O-10-29409 | Marshco Production LLC only | Carter (Queen) | Glasscock | 2 | 4.05K | 290 | Jan 1993 – Feb 2022 |
| Glasscock 'S' Fee G-10-149838 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.04K | 345K | May 1994 – Apr 2026 |
| GRIGSBY"10" G-10-146996 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.04K | 402K | Sep 1993 – Apr 2026 |
| Glasscock 'W' Fee G-10-149848 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.03K | 344K | May 1994 – Apr 2026 |
| Halfmann, Delbert G-10-147950 | XTO Energy Inc. only | Saint Lawrence (Strawn) | Glasscock | 1 | 4.02K | 633K | Dec 1993 – Apr 2026 |
| Glasscock 'V' Fee G-10-149797 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.98K | 369K | May 1994 – Apr 2026 |
| Edwards 9A O-10-39367 | Element Petroleum Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 3.97K | 7.29K | Sep 2007 – Sep 2010 |
| Sterling 'W' Fee G-10-149873 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.92K | 107K | May 1994 – May 2005 |
| Squire 4 O-10-40870 | Apache Corporation only | Spraberry (Trend Area) | Glasscock | 1 | 3.9K | 5.61K | Jan 2011 – Aug 2012 |
| 'M' Fee-Powell Unit O-10-53036 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 3.89K | 12K | Dec 2019 – Oct 2025 |
| Bigby, W.A. "A" O-9-8665 | Parker & Parsley Development L.P only | Calvin (Dean) | Glasscock | 2 | 3.86K | 28.2K | Jan 1993 – Oct 1995 |
| Calverly 24 O-10-52793 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 1 | 3.86K | 1.3K | Dec 2019 – Apr 2026 |
| Glass, Frank 16 G-10-136972 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.86K | 329K | Jan 1993 – Apr 2026 |
| Glass, Frank 16 G-10-221224 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.85K | 186K | Nov 2006 – Apr 2026 |
| Bailey O-10-28184 | Costilla Petroleum Corporation only | Dewey Lake, S. (Wolfcamp) | Glasscock | 1 | 3.85K | 36.5K | Jan 1993 – Mar 1996 |
| Couey O-9-6521 | Parker & Parsley Development L.P only | Calvin (Dean) | Glasscock | 2 | 3.8K | 11.7K | Jan 1993 – Oct 1995 |
| Couey, M. L. O-9-14062 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 3.79K | 28.1K | Nov 1995 – Jan 1998 |
| Berry,jack -A- O-10-17432 | Robertson Resources, Inc. only | Zant (San Andres) | Glasscock | 3 | 3.78K | 49 | Jan 1993 – Feb 2003 |
| Davenport, R. S. O-9-7289 | Stephens, Autry C. only | Calvin (Dean) | Glasscock | 2 | 3.76K | 27.1K | Jan 1993 – Oct 1995 |
| Sprague -A- O-10-20493 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 10 | 3.75K | 29 | Feb 1993 – Mar 2003 |
| Tomlin 38 Unit O-10-43854 | Apache Corporation only | Spraberry (Trend Area) | Glasscock | 1 | 3.72K | 6.52K | May 2013 – Mar 2015 |