| McMullan 6 G-9-118673 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 9.69K | 901K | by Jan 1993 – Aug 2026 |
| McMullan 6 G-9-189916 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.81K | 509K | Jan 2002 – Aug 2026 |
| McMullan, Joe Wylie "A" G-9-162302 | Red Stag Operating, LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 3.36K | 1.56M | Jan 1997 – Aug 2026 |
| McMullan 6 O-9-15017 | Rme Petroleum Company only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 3.15K | 45K | Jul 2000 – Dec 2001 |
| McMullan G-9-85138 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 3.1K | 711K | by Jan 1993 – Aug 2026 |
| McMullan G-9-140951 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 2.21K | 389K | by Jan 1993 – Aug 2026 |
| McMullan G-9-140950 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 2.19K | 360K | by Jan 1993 – Aug 2026 |
| McMullan 36 G-9-89979 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 2.09K | 589K | by Jan 1993 – Aug 2026 |
| McMullan 37 G-9-93256 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.54K | 349K | by Jan 1993 – Feb 2026 |
| McMullan, Joe Wylie "B" G-9-200757 | Red Stag Operating, LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 1.5K | 923K | Jul 2003 – Aug 2026 |
| McMullan 36 G-9-207212 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.27K | 906K | Jul 2003 – Aug 2026 |
| McMullan 37 G-9-207151 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.25K | 691K | Jun 2004 – Aug 2026 |
| McMullan, Joe Wylie "B" G-9-200753 | Red Stag Operating, LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 1.21K | 981K | Jul 2003 – Aug 2026 |
| McMullan G-9-85139 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.16K | 411K | by Jan 1993 – Aug 2026 |
| McMullan 37 G-9-141973 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.02K | 252K | by Jan 1993 – May 2026 |
| McMullan, Joe Wylie "B" G-9-200759 | Red Stag Operating, LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 989 | 819K | Jul 2003 – Aug 2026 |
| McMullan, Joe Wylie G-9-87219 | DJH Oil & Gas LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 967 | 458K | by Jan 1993 – Jan 2022 |
| McMullan, R. B. A G-9-162832 | R2Q Operating LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 901 | 1.11M | Apr 1997 – Aug 2026 |
| McMullan 37 G-9-184904 | R2Q Operating LLC only | Hunt-Baggett, W. (Strawn) | Crockett | 1 | 818 | 247K | Mar 2001 – Jun 2004 |
| McMullan 36 G-9-171743 | R2Q Operating LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 815 | 474K | Jan 1999 – Aug 2026 |
| McMullan, Joe Wylie "B" G-9-200755 | Red Stag Operating, LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 757 | 1.21M | Jul 2003 – Aug 2026 |
| McMullan, Joe Wylie G-9-167142 | DJH Oil & Gas LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 670 | 501K | Dec 1997 – Jan 2022 |
| McMullan, Joe Wylie "A" G-9-163914 | Harrison Interests, Ltd. only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 498 | 515K | May 1997 – Apr 2006 |
| McMullan, Joe Wylie G-9-172218 | DJH Oil & Gas LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 497 | 207K | Feb 2000 – Jan 2023 |
| McMullan "D" G-9-55675 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 365 | 180K | by Jan 1993 – Aug 2026 |
| McMullan, Joe Wiley "A" G-9-95738 | DJH Oil & Gas LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 277 | 801K | by Jan 1993 – Jan 2023 |
| McMullan 36 G-9-171738 | R2Q Operating LLC only | Hunt-Baggett, W. (Strawn) | Crockett | 1 | 266 | 189K | Nov 1998 – Jun 2003 |
| McMullan, R. B. A G-9-197278 | R2Q Operating LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 162 | 300K | Mar 2003 – Aug 2026 |
| McMullan, R. B. A G-9-160692 | R2Q Operating LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 147 | 44K | Oct 1996 – Mar 1997 |
| McMullan, Joe Wylie G-9-245635 | Red Stag Operating, LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 147 | 477K | Aug 2008 – Aug 2026 |
| McMullan G-9-38614 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 143 | 116K | by Jan 1993 – Aug 2026 |
| McMullan, Joe Wylie G-9-97744 | DJH Oil & Gas LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 141 | 437K | by Jan 1993 – Jan 2022 |
| McMullan "A" G-9-54323 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 136 | 856K | by Jan 1993 – Aug 2026 |
| McMullan "C" G-9-160878 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 131 | 1.4M | Sep 1996 – Aug 2026 |
| McMullan, R. B. A G-9-200941 | R2Q Operating LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 119 | 520K | Jun 2003 – Aug 2026 |
| McMullan G-9-189778 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 109 | 2.15M | Apr 2002 – Aug 2026 |
| McMullan "F1" G-9-162103 | Scout Energy Management LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 86 | 445K | Sep 1996 – Aug 2026 |
| McMullan "F1" G-9-148671 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 81 | 827K | Jan 1994 – Aug 2026 |
| McMullan "2" G-9-151816 | Scout Energy Management LLC only | Live Oak Draw, N. (Strawn) | Crockett | 1 | 78 | 365K | Oct 1994 – Aug 2026 |
| McMullan "3" G-9-189783 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 77 | 1.73M | Apr 2002 – Aug 2026 |
| McMullan "3" G-9-214412 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 75 | 984K | Jul 2005 – Aug 2026 |
| McMullan G-9-191531 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 73 | 818K | May 2002 – Aug 2026 |
| McMullan "B" G-9-205917 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 71 | 1.45M | May 2004 – Aug 2026 |
| McMullan G-9-145629 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 70 | 2.8M | May 1993 – Aug 2026 |
| McMullan O-9-5969 | Smith Pipe of Abilene only | Encontrado (Penn Detrital) | Crockett | 2 | 68 | 524 | by Jan 1993 – Feb 1993 |
| McMullan "B" G-9-214339 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 68 | 1.18M | Aug 2005 – Aug 2026 |
| McMullan "3" G-9-230172 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 65 | 927K | Jun 2007 – Aug 2026 |
| McMullan, R. B. A G-9-185457 | R2Q Operating LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 65 | 1.08M | Jul 2001 – Aug 2026 |
| McMullan "3" G-9-146542 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 64 | 2.26M | Aug 1993 – Aug 2026 |
| McMullan "3" G-9-189782 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 63 | 1.27M | Apr 2002 – Aug 2026 |