| Glasscock -N- Fee G-10-139144 | XTO Energy Inc. only | Blalock Lake, SE (Wolfcamp) | Glasscock | 1 | 46.3K | 179K | by Jan 1993 – Feb 2009 |
| Glasscock 'S' Fee G-10-149368 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 5.34K | 252K | May 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-148896 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.91K | 443K | Feb 1994 – Aug 2026 |
| Sterling 'W' Fee G-10-149871 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.8K | 132K | May 1994 – Dec 2008 |
| Glasscock 'V' Fee G-10-149802 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.29K | 435K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149849 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.15K | 188K | May 1994 – Nov 2006 |
| Glasscock 'W' Fee G-10-150708 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.12K | 427K | Jul 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149838 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.04K | 348K | May 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149848 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.04K | 346K | May 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-149797 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4K | 373K | May 1994 – Aug 2026 |
| Sterling 'W' Fee G-10-149873 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.92K | 107K | May 1994 – May 2005 |
| Glasscock 'V' Fee G-10-148856 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.63K | 399K | Mar 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149855 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.62K | 291K | May 1994 – Aug 2026 |
| Glasscock "W" Fee G-10-204153 | Chevron U. S. A. Inc. only | Block 32 (Wolfcamp) | Glasscock | 1 | 3.52K | 29.9K | Nov 2003 – Sep 2011 |
| Glasscock 'V' Fee G-10-149808 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.51K | 189K | Jun 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149834 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.33K | 393K | Apr 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-149805 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.26K | 302K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149846 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.08K | 288K | May 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-155143 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 3.04K | 209K | Jun 1995 – Aug 2026 |
| Glasscock 'W' Fee G-10-149854 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.93K | 316K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149852 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.84K | 338K | Apr 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-149801 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 2.83K | 154K | May 1994 – Aug 2026 |
| Glasscock "AB" Fee G-10-156575 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 1 | 2.78K | 112K | Nov 1995 – Jan 2012 |
| Glasscock 'S' Fee G-10-149844 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.75K | 281K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-154775 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.65K | 240K | Jun 1995 – Aug 2026 |
| Glasscock 'S' Fee G-10-149372 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.47K | 170K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149853 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.42K | 167K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149845 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 1 | 2.4K | 200K | May 1994 – Jun 2014 |
| Glasscock 'V' Fee G-10-149796 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 2.39K | 207K | May 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149833 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.31K | 285K | Apr 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-149803 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 2.28K | 264K | Apr 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149841 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.26K | 278K | Apr 1994 – Aug 2026 |
| Glasscock 'W' Fee G-10-149851 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.23K | 294K | Apr 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-155142 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 1 | 2.2K | 138K | Jul 1995 – Sep 2006 |
| Glasscock 'V' Fee G-10-155144 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 2.17K | 239K | Jul 1995 – Aug 2026 |
| Glasscock 'S' Fee G-10-149842 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 2.15K | 156K | Apr 1994 – Aug 2026 |
| Glasscock "V" Fee G-10-155146 | Chevron U. S. A. Inc. only | Conger (Penn) | Glasscock | 1 | 2.14K | 231K | Jul 1995 – Jun 2006 |
| Glasscock "S" Fee G-10-220066 | Burk Royalty Co., Ltd. only | Block 32 (Wolfcamp) | Glasscock | 1 | 2.03K | 86.5K | Sep 2006 – Sep 2024 |
| Glasscock 'W' Fee G-10-148897 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 1 | 1.99K | 317K | Mar 1994 – Jun 2016 |
| Glasscock 'V' Fee G-10-154773 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 1.83K | 354K | Jun 1995 – Aug 2026 |
| Glasscock "S" Fee G-10-149832 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 1.83K | 159K | Apr 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149839 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 1.81K | 210K | May 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-155073 | Chevron U. S. A. Inc. only | Conger (Penn) | Glasscock | 1 | 1.81K | 120K | Jun 1995 – Sep 2006 |
| Glasscock 'V' Fee G-10-149807 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 1.8K | 173K | Apr 1994 – Aug 2026 |
| Glasscock 'S' Fee G-10-149836 | Texaco E & P Inc. only | Conger, SW (Penn) | Glasscock | 1 | 1.67K | 145K | May 1994 – Jul 2001 |
| Glasscock 'V' Fee G-10-149798 | Chevron U. S. A. Inc. only | Conger (Penn) | Glasscock | 1 | 1.67K | 63.5K | May 1994 – May 2001 |
| Glasscock 'W' Fee G-10-154776 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 1 | 1.56K | 125K | Jun 1995 – May 2002 |
| Glasscock 'S' Fee G-10-149840 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 1.5K | 246K | May 1994 – Aug 2026 |
| Glasscock 'V' Fee G-10-154772 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 1.49K | 122K | Jun 1995 – Sep 2004 |
| Glasscock 'W' Fee G-10-207899 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 1.37K | 89K | Apr 2004 – Aug 2026 |