| Mackey State 33 G-10-290484 | Upcurve Energy, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 347K | 2.11M | Sep 2018 – Feb 2021 |
| McAfee, Willie G-6-110755 | Silver Oak Operating, LLC only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 39.8K | 413K | Jan 1993 – Apr 2026 |
| Mackey, W D G-6-265638 | Buffco Production Inc. only | Lansing, N. (Cotton Valley, Lo.) | Gregg | 1 | 39.1K | 1.12M | Sep 2012 – Apr 2026 |
| Mackey Heirs G-6-142093 | Dallas Production Company LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 35.9K | 1.43M | Jan 1993 – Apr 2026 |
| Mackey Heirs G-6-143362 | Dallas Production Company LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 27.7K | 3.63M | Jan 1993 – Nov 2024 |
| Flewellen G-6-98005 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 22.8K | 1.72M | Jul 1993 – Apr 2026 |
| Culpepper G-6-86669 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 19.2K | 1.46M | Jan 1993 – Apr 2026 |
| Stone GU 1-Mackey Heirs (Alloc) G-6-283725 | Dallas Production Company LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 17K | 1.9M | Dec 2017 – Apr 2026 |
| Mackey, W. L. GU 3 (SA) G-13-225414 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 16.1K | 5.25M | Apr 2006 – Apr 2026 |
| Mackey Heirs G-6-262654 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 13.6K | 271K | Jun 2011 – Apr 2026 |
| W. L. Mackey GU 2 G-13-253901 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 12.6K | 3.96M | Nov 2009 – Apr 2026 |
| Mackey Heirs G-6-129552 | Dallas Production Company LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 10.3K | 1.11M | Jan 1993 – Apr 2026 |
| Mackey Heirs G-6-199064 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 9.38K | 779K | Dec 2003 – Mar 2026 |
| Denson G-6-152630 | Cook Exploration Co. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 9.23K | 792K | Nov 1994 – Jan 2017 |
| Mackey, W. L. GU 3 G-13-107556 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 8.7K | 2.67M | Jan 1993 – Apr 2026 |
| Mackey Heirs G-6-142651 | Dallas Production, Inc. only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 8.61K | 1.39M | Jan 1993 – Jul 2010 |
| Mackey Heirs G-6-140216 | Dallas Production Company LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 8.07K | 1.14M | Jan 1993 – Feb 2011 |
| Mackey, W. L. GU 3 G-13-162057 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 7.4K | 2.23M | Jan 1997 – Apr 2026 |
| Mackey Heirs "C" G-6-143041 | Dallas Production, Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 7.22K | 779K | Jan 1993 – Jan 2013 |
| Flewellen G-6-90394 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 6.98K | 764K | Jan 1993 – Apr 2023 |
| Mackey G-4-142540 | Hanson Production Company only | La Sal Vieja (Deep) | Willacy | 1 | 6.46K | 79.8K | Jan 1993 – Feb 1995 |
| Mackey, W. C. G-6-181784 | Diversified Production LLC only | Glenwood (Cotton Valley) | Gregg | 1 | 5.7K | 777K | Mar 2001 – Apr 2026 |
| Castleberry G-6-283273 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 5.4K | 570K | Oct 2017 – Apr 2026 |
| Mackey, L. L. G-6-101288 | Buffco Production Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 5.32K | 472K | Jan 1993 – Apr 2026 |
| Castleberry G-6-112495 | Forest Oil Corporation only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 5.22K | 135K | Jan 1993 – Jun 2006 |
| Mackey, W. L. GU 3 G-13-137815 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 5.05K | 2.05M | Jan 1993 – Apr 2026 |
| Mackey Heirs "A" G-6-137667 | Dallas Production, Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 5.03K | 625K | Jan 1993 – Apr 2011 |
| Mackey, W. L. GU 2 G-13-206653 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.95K | 2.38M | Dec 2004 – Apr 2026 |
| Mackey Heirs G-6-180242 | Dallas Production, Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 3.95K | 664K | Oct 2000 – Dec 2013 |
| W.L. Mackey GU 3 G-13-254255 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.58K | 3.04M | Feb 2010 – Apr 2026 |
| McLendon, J.A. G-6-173670 | Trivium Operating, LLC only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.4K | 172K | Jun 1999 – Feb 2015 |
| Mackey 1-Mackey 2 (SA) G-13-259073 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.36K | 2.6M | Sep 2010 – Apr 2026 |
| W. L. Mackey GU 1 G-13-258651 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.35K | 1.93M | Jul 2010 – Apr 2026 |
| Castleberry G-6-287276 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.32K | 183K | Jun 2019 – Apr 2026 |
| Mackey, W. L. GU 3 G-13-205840 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.15K | 1.93M | Nov 2004 – Apr 2026 |
| Castleberry G-6-93294 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.06K | 784K | Jan 1993 – Jan 2023 |
| Mackey, W.W. G-6-125780 | Long Trusts, The only | Willow Springs (Cotton Valley) | Gregg | 1 | 3.02K | 480K | Jan 1993 – Mar 2026 |
| Mackey 2-Young (SA) "A" G-13-267116 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.9K | 4.37M | Jan 2012 – Apr 2026 |
| Flewellen G-6-283329 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 2.73K | 396K | Jun 2017 – Apr 2026 |
| Mackey, L. L. G-6-182032 | Buffco Production Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 2.08K | 367K | Mar 2001 – Oct 2023 |
| Mackey, W. L. GU 2 G-13-171997 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.01K | 743K | Jan 1999 – Dec 2022 |
| Hough-Mackey 4 (SA) 'A' G-13-269714 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.89K | 1.96M | Feb 2013 – Apr 2026 |
| Culpepper G-6-96872 | Cook Exploration Co. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 1.79K | 289K | Jun 1993 – Dec 2000 |
| Mackey, W. L. GU 3 G-13-206800 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.78K | 1.16M | Dec 2004 – Apr 2026 |
| Mackey Heirs G-6-180047 | Dallas Production, Inc. only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 1.71K | 212K | Sep 2000 – Nov 2003 |
| Mackey, Bill G-6-96861 | Burk Royalty Company only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 1.58K | 145K | Jan 1993 – Sep 2000 |
| W. L. Mackey GU 3 G-13-254551 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.58K | 2.09M | Feb 2010 – Apr 2026 |
| Lawrence-Chevron Gas Unit G-6-131635 | Craton Operating LLC only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 1.56K | 195K | Jan 1993 – Dec 2024 |
| Mackey Heirs G-6-195675 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 1.3K | 188K | Jun 2003 – Oct 2004 |
| Mackey, W. L. GU 2 G-13-152124 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.19K | 362K | Nov 1994 – Nov 2013 |