| Hayter Estate G-6-81385 | Ellis Exploration, Inc. only | Trawick, N. (Pettit 7750) | Rusk | 1 | 12K | 820K | by Jan 1993 – Aug 2026 |
| North Hayter Trust G-6-207688 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 4.81K | 801K | Nov 2004 – Dec 2025 |
| 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 |
| Hayter, Sam B. Est. G-6-193208 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.86K | 1.47M | Feb 2003 – Jun 2025 |
| Hayter, Sam B. Est. G-6-204241 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.83K | 974K | Aug 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-189580 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.73K | 474K | Apr 2002 – Nov 2020 |
| Hayter, A. L. GU G-13-231124 | Formentera Operations LLC only | Newark, East (Barnett Shale) | Parker | 1 | 1.72K | 674K | May 2007 – Aug 2026 |
| North Hayter Trust A G-6-219618 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.67K | 782K | Mar 2006 – Aug 2026 |
| Hayter, Sam B. Est. G-6-242958 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.66K | 1.34M | Sep 2008 – Aug 2026 |
| North Hayter Trust G-6-213960 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.66K | 1.62M | Jun 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-204326 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.64K | 811K | Aug 2004 – Jan 2025 |
| Hayter, Sam B. Est. G-6-221945 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.64K | 815K | Jun 2006 – Feb 2026 |
| Hayter, Sam B. Est. G-6-204816 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.6K | 1.14M | Aug 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-196121 | Rockcliff Energy Operating LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.42K | 606K | Jul 2003 – Aug 2021 |
| Hayter, Sam B. Est. G-6-215265 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.39K | 1.06M | Aug 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-206345 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.38K | 1.24M | Nov 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-217835 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.36K | 792K | Jan 2006 – Sep 2024 |
| Hayter, Sam B. Est. G-6-201910 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.35K | 544K | Mar 2004 – Aug 2026 |
| North Hayter Trust G-6-195682 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.33K | 1.61M | Jun 2003 – Jan 2025 |
| Hayter, Sam B. Est. G-6-213473 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.31K | 815K | Feb 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-191651 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.18K | 547K | Oct 2002 – Feb 2019 |
| North Hayter Trust G-6-218439 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.18K | 1.1M | Jan 2006 – Aug 2026 |
| Hayter "A" G-6-189839 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.14K | 1.19M | Dec 2001 – Aug 2026 |
| Hayter, Sam B. Est. G-6-191183 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.12K | 173K | Sep 2002 – Feb 2019 |
| North Hayter Trust A G-6-213478 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.1K | 878K | Jun 2005 – Aug 2026 |
| North Hayter Trust G-6-200237 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.1K | 1.61M | Jan 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-242536 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.09K | 743K | Sep 2008 – Aug 2026 |
| Hayter, Sam B. Est. G-6-216451 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.07K | 482K | Nov 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-189573 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.07K | 902K | Dec 2001 – Aug 2024 |
| Hayter, Sam B. Est. G-6-210076 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.02K | 729K | Feb 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-210077 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.01K | 1.28M | Mar 2005 – Aug 2026 |
| Hayter "A" G-6-190364 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.01K | 451K | Jul 2002 – Aug 2026 |
| North Hayter Trust G-6-200985 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 995 | 1.2M | Feb 2004 – Apr 2026 |
| Hayter "A" G-6-216434 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 974 | 921K | Sep 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-222516 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 969 | 744K | Sep 2006 – Aug 2026 |
| Hayter Estate G-6-143468 | Uphill Consulting LLC only | Douglass (Transition) | Nacogdoches | 1 | 946 | 819K | by Jan 1993 – Jul 2023 |
| North Hayter Trust G-6-207851 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 937 | 1.46M | Jan 2005 – Aug 2024 |
| Hayter, Sam B. Est. G-6-197197 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 929 | 777K | Aug 2003 – Aug 2026 |
| North Hayter Trust A G-6-202948 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 926 | 540K | Jun 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-201711 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 906 | 635K | Apr 2004 – Aug 2026 |
| North Hayter Trust G-6-201345 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 901 | 929K | Mar 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-189578 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 898 | 928K | Jan 2002 – Jan 2025 |
| Hayter, Sam B. Est. G-6-207531 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 890 | 577K | Nov 2004 – Aug 2026 |
| Hayter, Sam B. Est. G-6-219609 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 873 | 596K | Feb 2006 – Jun 2025 |
| Hayter, Sam B. Est. G-6-205679 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 865 | 753K | Sep 2004 – Aug 2026 |
| Hayter, Sam B. Estate G-6-96083 | Texian Operating Company, LLC only | Douglass (Pettit) | Nacogdoches | 1 | 811 | 1.6M | by Jan 1993 – Aug 2026 |
| Hayter, Sam B. Est. G-6-196045 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 807 | 636K | Jun 2003 – Aug 2026 |
| Hayter, Sam B. Est. G-6-213028 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 802 | 835K | Apr 2005 – Aug 2026 |
| Hayter, Sam B. Est. G-6-213030 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 792 | 969K | Apr 2005 – Jan 2025 |
| Hayter, Sam B. Est. G-6-109957 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 789 | 1.06M | by Jan 1993 – Aug 2026 |