| Douglass Parker O-10-39882 | Crescent Energy Operating, LLC only | Goldsmith (Clear Fork) | Ector | 7 | 362K | 746K | Jan 2010 – Aug 2026 |
| Douglass 36 O-10-33404 | XTO Energy Inc. only | Spraberry (Trend Area) | Midland | 17 | 347K | 4.89M | by Jan 1993 – Feb 2022 |
| Douglass O-8-27723 | Clear Fork, Incorporated only | Huckleberry (Flippen) | Fisher | 2 | 70.6K | 3.47K | Dec 1995 – Sep 2014 |
| Douglass Parker O-10-47497 | Crescent Energy Operating, LLC only | Goldsmith | Ector | 1 | 54.2K | 136K | Apr 2014 – Aug 2026 |
| Douglass 20 O-10-45174 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 1 | 31K | 224K | Jan 2014 – Jun 2026 |
| Stewart, Graham P. O-6-15292 | Texian Operating Company, LLC only | Douglass (Austin Chalk) | Nacogdoches | 1 | 13.7K | 41.7K | May 2014 – Nov 2019 |
| 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 |
| Douglass Parker O-10-41659 | Sheridan Production Company, LLC only | Goldsmith (Pennsylvanian) | Ector | 1 | 11.5K | 12.6K | May 2011 – May 2013 |
| Sierra Nicole GU 1 G-6-246679 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 11K | 841K | Feb 2009 – Aug 2026 |
| Chelle GU 1 G-6-237589 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 7.12K | 603K | May 2008 – Aug 2026 |
| Douglass Parker O-10-41873 | Sheridan Production Company, LLC only | Monahans Draw (Canyon 8388) | Ector | 1 | 7.11K | 10.2K | Nov 2011 – Mar 2014 |
| Danielle, Lori GU 1 G-6-248434 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 6.73K | 1.99M | May 2009 – May 2026 |
| Lola D GU 1 G-6-243224 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 6.29K | 1.06M | Oct 2008 – Aug 2026 |
| Ross, John GU 1 G-6-244271 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 6.09K | 1.11M | Nov 2008 – Aug 2026 |
| Douglass GU 3 G-6-222245 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 6.04K | 1.9M | Aug 2006 – Aug 2026 |
| Chelle GU 1 G-6-245037 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 5.21K | 980K | Dec 2008 – Aug 2018 |
| Talley-Campbell Gas Unit G-6-244839 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 5.08K | 659K | Feb 2008 – Aug 2026 |
| Peacock Unit G-6-248553 | Enerquest Corporation only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 5.03K | 2.52M | Nov 2008 – Jul 2025 |
| Black Stone-Pruitt GU 1 G-6-239414 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.86K | 1.51M | May 2008 – Aug 2026 |
| Lewis, James GU 1 G-6-245602 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.85K | 582K | Nov 2008 – May 2019 |
| North Hayter Trust G-6-207688 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.81K | 801K | Nov 2004 – Dec 2025 |
| Garrett GU 1 G-6-242794 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.61K | 569K | Sep 2008 – Aug 2026 |
| Bates, Inez G-6-193624 | Uphill Consulting LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.29K | 1.41M | Feb 2003 – Sep 2025 |
| Stewart, Graham P. G-6-217431 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.05K | 1.11M | Dec 2005 – Aug 2026 |
| Marie, Franki GU 1 G-6-237222 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.93K | 1.1M | Jun 2008 – Jan 2022 |
| Middlebrook, H.G.T. GU 1 G-6-239276 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.51K | 1.72M | Jul 2008 – Aug 2026 |
| Jackson Paul GU 1 G-6-243478 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.46K | 1M | Nov 2008 – Aug 2026 |
| Stewart, Graham P. G-6-197992 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.45K | 1.02M | Sep 2003 – Aug 2026 |
| Douglass GU 6 G-6-191762 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.27K | 854K | Nov 2002 – Aug 2026 |
| Douglass GU 7B G-6-193211 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.17K | 523K | Jan 2003 – Aug 2026 |
| Stewart, Graham P. G-6-221345 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 3.08K | 947K | May 2006 – Aug 2026 |
| Frank, R. H. GU 1 G-6-213024 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.92K | 1.2M | Mar 2005 – Aug 2026 |
| Black Stone-Lock GU 1 G-6-239472 | TGNR East Texas II LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.9K | 1.08M | Jul 2008 – Apr 2020 |
| Durham, J&a GU 1 G-6-240502 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.86K | 795K | Aug 2008 – Aug 2026 |
| Black Stone-Lock GU 1 G-6-244406 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.83K | 725K | Oct 2008 – Aug 2024 |
| Douglass-Black Heirs O-3-25796 | Enfield Operating Company, LLC only | Fort Trinidad (Dexter) | Houston | 1 | 2.82K | 391 | Aug 2011 – Apr 2012 |
| Paige GU 1 G-6-188156 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.75K | 1.25M | Feb 2002 – Aug 2026 |
| Black Stone-Pruitt GU 1 G-6-239198 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.6K | 1.12M | Aug 2008 – Aug 2026 |
| Frank, R. H. GU 1 G-6-221068 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.58K | 1.53M | May 2006 – Aug 2026 |
| Angela Faith GU 1 G-6-255078 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.56K | 913K | Jan 2010 – Aug 2026 |
| Lola D GU 1 G-6-240547 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.53K | 620K | Aug 2008 – Jul 2024 |
| Durham, J&a GU 1 G-6-257667 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.43K | 1.55M | Apr 2010 – Aug 2026 |
| Lake Nac GU 2 G-6-230433 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.39K | 654K | Jul 2007 – Aug 2026 |
| Garrett GU 1 G-6-232394 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.34K | 742K | Oct 2007 – Aug 2026 |
| Marie, Franki GU 1 G-6-232090 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.33K | 942K | Sep 2007 – Aug 2026 |
| Stewart, Graham P. G-6-217506 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.28K | 1.38M | Dec 2005 – Aug 2026 |
| Lewis, James GU 1 G-6-245369 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.27K | 904K | Nov 2008 – Jan 2019 |
| Hayter, Sam B. Est. G-6-189581 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.23K | 1.17M | Jun 2002 – Aug 2026 |
| Talley-Campbell Gas Unit G-6-234200 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 2.2K | 844K | Dec 2007 – Aug 2026 |