| Cannon G-3-271318 | Square Mile Energy, L.L.C. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 735K | 15.9M | Sep 2013 – Apr 2026 |
| McDowell G-3-278629 | Orx Resources, L.L.C. only | Glasscock (Wilcox 11,600) | Colorado | 1 | 216K | 6.25M | Jan 2014 – Jan 2023 |
| McDowell G-3-279190 | Orx Resources, L.L.C. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 184K | 5.6M | Oct 2014 – Apr 2026 |
| Hoegemeyer A G-3-279573 | Ballard Exploration Company,inc. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 157K | 5.9M | Mar 2014 – Apr 2026 |
| Glasscock Ranch C G-1-299983 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 121K | 476K | Jun 2023 – Apr 2026 |
| Pearline G-3-277052 | Square Mile Energy, L.L.C. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 114K | 3.23M | Aug 2014 – Sep 2018 |
| Glasscock Allocation 3 G-1-299813 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 112K | 649K | Oct 2022 – Apr 2026 |
| Glasscock Ranch A G-3-251901 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 107K | 2.78M | Dec 2008 – Dec 2024 |
| Glasscock Ranch C G-1-299909 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 94.7K | 479K | Jun 2023 – Apr 2026 |
| Glasscock Ranch C G-1-299908 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 94.3K | 345K | Oct 2023 – Apr 2026 |
| Glasscock Ranch C G-1-299907 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 89.2K | 210K | Jun 2023 – Apr 2026 |
| Glasscock Ranch C G-1-300002 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 88.3K | 332K | Sep 2023 – Apr 2026 |
| Glasscock Ranch A G-3-260023 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 83.4K | 3.59M | Aug 2010 – Apr 2026 |
| Glasscock Allocation 2 G-1-300004 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 80.8K | 573K | Oct 2022 – Apr 2026 |
| Glasscock Ranch C G-1-299987 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 80.3K | 269K | Nov 2023 – Apr 2026 |
| Glasscock Ranch C G-1-299984 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 78.4K | 318K | Oct 2023 – Apr 2026 |
| Glasscock Ranch C G-1-300009 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 71.7K | 268K | Nov 2023 – Apr 2026 |
| Glasscock Ranch C G-1-299832 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 65.4K | 287K | Oct 2023 – Apr 2026 |
| Glasscock Ranch C G-1-300010 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 63.7K | 291K | Nov 2023 – Apr 2026 |
| Glasscock E G-3-266494 | Lakeshore Operating, LLC only | Caballo (Prairie Bell) | Colorado | 1 | 60.5K | 1.63M | Feb 2012 – Apr 2026 |
| Glasscock Allocation 1 G-1-300003 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 57.7K | 618K | Oct 2022 – Apr 2026 |
| Glasscock Ranch C G-1-300014 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 53.9K | 344K | Nov 2023 – Apr 2026 |
| Glass Unit 1 G-1-267256 | BPX Operating Company only | Eagleville (Eagle Ford-1) | McMullen | 1 | 50.7K | 3.88M | Dec 2012 – Feb 2026 |
| Glasscock Ranch B G-3-251254 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 49.4K | 1.36M | Jul 2009 – Jun 2017 |
| Glasscock -N- Fee G-10-139144 | XTO Energy Inc. only | Blalock Lake, SE (Wolfcamp) | Glasscock | 1 | 46.3K | 179K | Jan 1993 – Feb 2009 |
| Glasscock Ranch G-3-47834 | Proline Energy Resources Inc only | Glasscock (Wilcox 10,500) | Colorado | 1 | 43.1K | 1.92M | Jan 1993 – Oct 2019 |
| Glass B G-1-264211 | Endeavor Natural Gas, LP only | Briscoe Ranch (Eagleford) | Maverick | 1 | 41.3K | 351K | Nov 2010 – Jul 2018 |
| Glasscock Ranch C G-1-300008 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 36.6K | 139K | Oct 2023 – Apr 2026 |
| Glasscock, C. G. G-3-150510 | Proline Energy Resources Inc only | Glasscock (Wilcox 10630) | Colorado | 1 | 35.8K | 1.38M | Jul 1994 – Jan 2005 |
| Glasscock Ranch A G-3-249254 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 34.5K | 1.15M | May 2009 – Jun 2014 |
| Hill G-3-260820 | C & E Operating, Inc. only | Glasscock (Cockfield) | Colorado | 1 | 24.6K | 83.5K | Oct 2010 – Feb 2015 |
| Glasscock Ranch B G-3-258524 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 22.9K | 471K | Jun 2010 – Jun 2017 |
| Panola Development Company G-6-261371 | Glassell Producing Company, Inc. only | Carthage (Travis Peak) | Panola | 1 | 19.5K | 437K | Dec 2010 – Jan 2022 |
| Glass A G-1-265732 | Endeavor Natural Gas, LP only | Briscoe Ranch (Eagleford) | Maverick | 1 | 18.2K | 213K | Jan 2011 – Mar 2018 |
| Glasscock, C. G. G-3-131891 | Proline Energy Resources Inc only | Glasscock (Wilcox 8700) | Colorado | 1 | 16.6K | 410K | Jan 1993 – Apr 2004 |
| Glass A G-1-265736 | Endeavor Natural Gas, LP only | Briscoe Ranch (Eagleford) | Maverick | 1 | 16.3K | 337K | Jun 2011 – Apr 2018 |
| Glass B G-1-265731 | Endeavor Natural Gas, LP only | Briscoe Ranch (Eagleford) | Maverick | 1 | 16K | 91.9K | Jun 2011 – Jul 2018 |
| Glass, C. E. G-6-109495 | Comanche Well Service Corp. only | Atlanta, S. (Smackover) | Cass | 1 | 13.7K | 588K | Jan 1993 – Sep 1998 |
| Glasscock Ranch G-3-258981 | Proline Energy Resources Inc only | Glasscock (Wilcox 10,500) | Colorado | 1 | 13.1K | 404K | Dec 2010 – Sep 2016 |
| Black Stone-Lock GU 1 G-6-232979 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 12.5K | 1.19M | Dec 2007 – Aug 2024 |
| Lucas, Tom Jack Gas Unit G-6-207699 | Fair Oil, Ltd. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 12.2K | 1.48M | Dec 2004 – Apr 2016 |
| Glasscock G-4-137010 | C.B. Production only | El Oro (Y-7) | Duval | 1 | 12K | 513K | Jan 1993 – Jul 2021 |
| Hill G-3-283555 | Ballard Exploration Company,inc. only | Glasscock (Wilcox 11,600) | Colorado | 1 | 11.8K | 346K | Apr 2017 – Oct 2019 |
| Chalk Estate G-10-153661 | Citation Oil & Gas Corp. only | Howard-Glasscock (Wolfcamp 7400) | Howard | 1 | 11.8K | 328K | Jan 1995 – Apr 2026 |
| A. B. Glass G-13-267499 | Devon Energy Production Co, L.P. only | Newark, East (Barnett Shale) | Wise | 1 | 11.5K | 342K | Apr 2012 – Jul 2017 |
| Sierra Nicole GU 1 G-6-246679 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 11K | 838K | Feb 2009 – Apr 2026 |
| Chelle GU 1 G-6-237589 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 7.12K | 601K | May 2008 – Apr 2026 |
| Glasscock, C. G. G-3-167379 | Milagro Exploration, LLC only | Glasscock (Wilcox 10630) | Colorado | 1 | 6.98K | 254K | Jun 1996 – May 2008 |
| Danielle, Lori GU 1 G-6-248434 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 6.73K | 1.99M | May 2009 – Apr 2026 |
| Glass G-10-140790 | Burk Royalty Co., Ltd. only | Conger (Penn) | Sterling | 1 | 6.66K | 720K | Jan 1993 – Apr 2026 |