| Hamilton B-Hooks 3 Usw B G-2-294469 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 449K | 2.21M | Dec 2022 – Jul 2026 |
| Hamilton A G-2-282077 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 424K | 3.2M | Aug 2013 – Jan 2021 |
| Hamilton B-Hooks 3 Usw E G-2-294471 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 390K | 2.04M | Dec 2022 – Aug 2026 |
| Black Stone Hamilton Unit G-6-265642 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 374K | 991K | Apr 2012 – Aug 2026 |
| Hamilton B-Hooks 3 Usw D G-2-294564 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 347K | 1.83M | Dec 2022 – Aug 2026 |
| Hamilton Trust A-405 G-2-277905 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 341K | 1.4M | May 2015 – Aug 2026 |
| Hamilton B-Hooks 3 Usw C G-2-294470 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 315K | 1.55M | Dec 2022 – Aug 2026 |
| Hamilton Trust Unit C G-2-272310 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 307K | 1.75M | Jan 2014 – Aug 2026 |
| Hamilton Northwest G-10-291621 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 295K | 1.23M | Nov 2019 – Aug 2026 |
| Hamilton Trust A-405 G-2-270246 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 295K | 1.11M | Jul 2013 – May 2026 |
| Hamilton Trust A-405 G-2-259352 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 294K | 1.08M | Aug 2010 – Jan 2016 |
| Hamilton A G-2-282078 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 288K | 2.02M | Aug 2013 – Aug 2026 |
| Hamilton Trust A-405 G-2-277912 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 278K | 1.19M | May 2015 – Jun 2026 |
| Hamilton Trust a 405 G-2-276972 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 276K | 1.13M | Nov 2014 – Aug 2026 |
| Hamilton Trust A-405 G-2-277480 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 271K | 1.18M | May 2015 – Aug 2026 |
| Hamilton Trust A-405 G-2-277910 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 268K | 1.14M | May 2015 – Jun 2026 |
| Hamilton Trust A-405 G-2-277479 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 250K | 1.08M | May 2015 – Jun 2026 |
| Hamilton Trust Unit C G-2-270903 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 238K | 1.46M | Jan 2014 – Aug 2026 |
| Hamilton Southeast G-10-291472 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 234K | 1.21M | Nov 2020 – Aug 2026 |
| Hamilton A G-2-266859 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 232K | 1.59M | Dec 2011 – Apr 2026 |
| Hamilton A G-2-282085 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 231K | 1.98M | Aug 2013 – Mar 2026 |
| Hamilton A G-2-281953 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 219K | 1.71M | Dec 2013 – Aug 2026 |
| Hamilton A G-2-282088 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 212K | 1.98M | Aug 2013 – Mar 2026 |
| Hamilton a-Kickendahl Unit 1 SA5 G-2-301165 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 195K | 1.38M | Dec 2025 – Aug 2026 |
| Hamilton a-Kickendahl Unit 1 SA4 G-2-300859 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 193K | 1.36M | Dec 2025 – Aug 2026 |
| Hamilton Trust Unit C G-2-261182 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 190K | 1.18M | May 2011 – Aug 2026 |
| Hamilton a-D. Warzecha a SA 2 G-2-300659 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 190K | 1.76M | Nov 2025 – Aug 2026 |
| Hamilton Trust Unit B G-2-260706 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 189K | 1.01M | Oct 2010 – Aug 2026 |
| Hamilton a-D. Warzecha a SA 3 G-2-301177 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 180K | 1.84M | Nov 2025 – Aug 2026 |
| Hamilton a-D. Warzecha a SA 1 G-2-300656 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 180K | 1.69M | Nov 2025 – Aug 2026 |
| Hamilton a-Kickendahl Unit 1 SA6 G-2-301264 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 176K | 1.22M | Dec 2025 – Aug 2026 |
| Hamilton Trust Unit C G-2-270930 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 174K | 1.03M | Jan 2014 – Apr 2026 |
| Hamilton Trust Unit D G-2-276976 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 167K | 1.25M | Nov 2014 – Aug 2026 |
| Hamilton a-D. Warzecha a SA 7 G-2-300653 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 153K | 1.59M | Nov 2025 – Aug 2026 |
| Hamilton G-2-285884 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 147K | 576K | Nov 2013 – Aug 2026 |
| Hamilton Trust Unit D G-2-263687 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 145K | 1.01M | Apr 2011 – Jul 2026 |
| Hamilton Trust Unit D G-2-276923 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 135K | 1.06M | Nov 2014 – Aug 2026 |
| Hamill Estate G-3-140785 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 130K | 10.7M | by Jan 1993 – Aug 2026 |
| Hamilton 39 G-14-267090 | Unbridled Resources, LLC only | B & B (Granite Wash) | Wheeler | 1 | 118K | 1.54M | Jun 2012 – Aug 2026 |
| Sweeney Gas Unit #1 G-3-35629 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 106K | 10.1M | by Jan 1993 – Aug 2026 |
| Hamilton Trust Unit D G-2-270249 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 103K | 630K | Jul 2013 – Jul 2026 |
| Sharman Gas Unit No. 1 G-3-33420 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 89.5K | 6.88M | Feb 1993 – Jun 2024 |
| Hamill Gas Unit #1 G-3-149628 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 84.6K | 2.42M | Nov 1993 – Aug 2026 |
| East Milton Unit 1 G-3-49025 | Petrotx Operating, LLC only | Milton, E. (Wilcox 9800) | Harris | 1 | 83.8K | 2.26M | by Jan 1993 – Jun 2026 |
| Black Stone Hamilton G-3-249838 | Wagner Oil Company only | Sour Lake Easter (Yegua) | Hardin | 1 | 81.8K | 707K | Feb 2009 – Jan 2015 |
| Hamilton 39 G-14-280665 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 78.4K | 330K | Jun 2016 – Jun 2026 |
| Hamill G. U. #3 G-3-40559 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 73.6K | 1.66M | by Jan 1993 – Aug 2026 |
| Graves Estate(wilcox)gas Unit #1 G-3-154137 | EOG Resources, Inc. only | Milton, N. (13000) | Harris | 1 | 73.1K | 2.12M | Oct 1994 – Aug 2003 |
| Hamill Gas Unit #1 G-3-39890 | Petrotx Operating, LLC only | Milton, N. (13000) | Harris | 1 | 72.5K | 1.89M | by Jan 1993 – Aug 2026 |
| Hamill Estate G-3-155954 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 62.1K | 5.51M | Aug 1994 – Aug 2026 |