| Edmondson A O-10-34061 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 37 | 878K | 13.3M | Dec 1993 – Aug 2026 |
| Allein "A" O-10-25243 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 48 | 276K | 13.4M | by Jan 1993 – Aug 2026 |
| Glasscock 'M' Fee O-10-35083 | XTO Energy Inc. only | Powell (Penn) | Glasscock | 2 | 109K | 2.5M | Sep 1996 – Aug 2026 |
| Allein O-10-24876 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 16 | 90.2K | 5.29M | by Jan 1993 – Aug 2026 |
| Grigsby, Mattie O-10-29076 | Burk Royalty Co., Ltd. only | Conger (Penn) | Sterling | 12 | 76.4K | 4.23M | by Jan 1993 – Aug 2026 |
| Powell O-10-29846 | Pioneer Natural Res. USA, Inc. only | Powell (Penn) | Glasscock | 1 | 64.7K | 1.61M | by Jan 1993 – Aug 2026 |
| Glasscock 'W' Fee O-10-33645 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Glasscock | 14 | 45.4K | 1.02M | by Jan 1993 – Jun 2006 |
| Glasscock 'V' Fee O-10-33562 | Texaco E & P Inc. only | Conger (Penn) | Glasscock | 15 | 35.9K | 912K | by Jan 1993 – Jul 1995 |
| Powell "32A" O-10-28653 | Sabre Operating, Inc. only | Powell (Penn) | Glasscock | 2 | 33.6K | 873K | by Jan 1993 – Oct 2018 |
| Glasscock -S- Fee O-10-32444 | Texaco E & P Inc. only | Conger, SW (Penn) | Glasscock | 14 | 31.6K | 1.03M | by Jan 1993 – Jul 1995 |
| Grigsby A O-10-34205 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 4 | 31.3K | 1.78M | Jun 1994 – Aug 2026 |
| Glasscock 'AB' Fee O-10-33624 | Chevron U. S. A. Inc. only | Conger, SW (Penn) | Sterling | 5 | 24.6K | 681K | by Jan 1993 – Aug 2006 |
| Currie O-10-26421 | King Energy Resources only | Conger (Penn) | Glasscock | 4 | 24.4K | 621K | by Jan 1993 – Aug 2026 |
| Edmondson O-10-25052 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 3 | 22.9K | 760K | by Jan 1993 – Aug 2026 |
| Weyman 14 O-10-34340 | Hendon Wm E. Jr. Rev Lvng Trust only | Powell (Penn) | Glasscock | 1 | 18.3K | 73.4K | Nov 1994 – Aug 2018 |
| Frank Glass 16 O-10-29147 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 6 | 17K | 1.02M | by Jan 1993 – Aug 2026 |
| BCK O-10-33776 | King Energy Resources only | Conger (Penn) | Glasscock | 1 | 16.5K | 698K | Feb 1993 – Aug 2026 |
| Bearkat O-10-40766 | Laredo Petroleum, Inc. only | Garden City (Penn.) | Glasscock | 1 | 15.9K | 28.4K | Jul 2010 – Dec 2010 |
| Glasscock "P" Fee O-10-36327 | XTO Energy Inc. only | Powell (Penn) | Glasscock | 2 | 15.2K | 442K | Jun 2000 – Feb 2022 |
| Grigsby "10" O-10-37714 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 2 | 11.2K | 385K | Jul 2005 – Aug 2026 |
| Edmondson O-10-27658 | Stanolind Production LLC only | Conger, SW (Penn) | Glasscock | 6 | 11K | 1.08M | by Jan 1993 – May 2018 |
| Pogo-Grigsby O-10-27001 | King Energy Resources only | Conger (Penn) | Glasscock | 2 | 9.51K | 640K | by Jan 1993 – Mar 2017 |
| Pogo-Glass O-10-27467 | King Energy Resources only | Conger (Penn) | Glasscock | 1 | 9.43K | 58.6K | by Jan 1993 – Aug 2026 |
| Terry, I. W. O-10-25371 | Union Pacific Resources Company only | Conger, SW (Penn) | Sterling | 19 | 8.66K | 683K | by Jan 1993 – Jul 1999 |
| Curry 17 O-10-37801 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 2 | 8.28K | 173K | May 2006 – Jul 2026 |
| Edmondson O-10-29048 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 6.63K | 357K | by Jan 1993 – Sep 2021 |
| Edmondson 44 O-10-39084 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 6.01K | 312K | Oct 2008 – Feb 2026 |
| Edmondson -A- O-10-27659 | Stanolind Production LLC only | Conger, SW (Penn) | Glasscock | 5 | 5.35K | 487K | by Jan 1993 – Dec 2018 |
| 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 |
| Glass, Frank 16 G-10-221217 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.74K | 124K | Nov 2006 – Aug 2026 |
| Edmondson B O-10-35639 | EQT Production Texas, LLC only | Conger (Penn) | Glasscock | 1 | 4.51K | 189K | Nov 1997 – Apr 2016 |
| 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 |
| GRIGSBY"10" G-10-146996 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 4.06K | 403K | Sep 1993 – 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 'S' Fee G-10-149838 | Burk Royalty Co., Ltd. only | Conger, SW (Penn) | Glasscock | 1 | 4.04K | 348K | 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 |
| Glass, Frank 16 G-10-136972 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.89K | 330K | by Jan 1993 – Aug 2026 |
| Glass, Frank 16 G-10-221224 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.87K | 187K | Nov 2006 – Aug 2026 |
| Glass -X- O-10-26801 | King Energy Resources only | Conger (Penn) | Glasscock | 1 | 3.69K | 211K | by Jan 1993 – Aug 2026 |
| 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 'V' Fee G-10-149808 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.51K | 189K | Jun 1994 – Aug 2026 |
| Watson, J. E. O-10-25670 | Anadarko E&P Company LP only | Conger, SW (Penn) | Sterling | 5 | 3.49K | 239K | by Jan 1993 – Jan 2001 |
| Allein G-10-152024 | Burk Royalty Co., Ltd. only | Conger (Penn) | Glasscock | 1 | 3.43K | 274K | Dec 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 |