| Hachar, D. D. G-4-177211 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 55.4K | 6.06M | May 2000 – Aug 2025 |
| Hachar, D. D. G-4-66575 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 18K | 4.46M | Jan 1993 – Nov 2024 |
| Hachar, D. D. G-4-158391 | Digital Operating Company LLC only | Laredo (Lobo) | Webb | 1 | 14.1K | 2.58M | May 1996 – Oct 2012 |
| Hachar, D.D. G-4-140872 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 13.8K | 4.67M | Jan 1993 – Apr 2026 |
| Hachar G-4-189724 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 12.7K | 2.6M | Jan 2002 – Aug 2025 |
| Hachar, N. D. Heirs G-4-252118 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 10.4K | 2.15M | Jul 2009 – Apr 2026 |
| Hachar, D. D. G-4-174296 | Digital Operating Company LLC only | Volz (Lobo) | Webb | 1 | 9.64K | 1.67M | Sep 1999 – Mar 2024 |
| Hachar, N. D. Heirs G-4-262807 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 9.57K | 3.36M | Apr 2011 – Apr 2026 |
| Hachar, N. D. Heirs G-4-274218 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 6.39K | 1.76M | Jan 2014 – Apr 2026 |
| Hachar, D. D. G-4-139411 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 6.38K | 2.67M | Jan 1993 – Apr 2026 |
| Hachar, N. D. Heirs G-4-263068 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 6.34K | 3.68M | May 2011 – Apr 2026 |
| Hachar Stewart State GU B G-4-278058 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 5.64K | 2.33M | Dec 2014 – Apr 2026 |
| Hachar, D.D. G-4-155910 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 5.06K | 956K | Oct 1995 – Feb 2021 |
| Hachar Stewart State GU A G-4-277902 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 4.98K | 2.39M | Dec 2014 – Apr 2026 |
| Hachar, D.D. G-4-164723 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 4.44K | 2.07M | Aug 1997 – Apr 2026 |
| Hachar, N. D. Heirs G-4-277745 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 4.35K | 2.29M | Dec 2014 – Apr 2026 |
| Hachar G-4-268923 | Lakeshore Operating, LLC only | Bashara-Hereford (Navarro) | Webb | 1 | 4.03K | 447K | Aug 2012 – Aug 2024 |
| Hachar, D.D. G-4-137367 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 3.74K | 2.68M | Jan 1993 – Aug 2024 |
| Hachar, N. D. Heirs G-4-257134 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.72K | 2.2M | May 2010 – Apr 2026 |
| Hachar, N. D. Heirs G-4-278016 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.53K | 1.95M | Dec 2014 – Mar 2026 |
| Hachar, N. D. Heirs G-4-255859 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.44K | 1.9M | Feb 2010 – Feb 2024 |
| Hachar, N .d. Heirs G-4-269069 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.36K | 2.05M | Apr 2013 – Apr 2026 |
| Hachar G-4-190001 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 3.29K | 1.12M | May 2002 – Aug 2025 |
| Hachar, N. D. Heirs G-4-278017 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.18K | 2.2M | Dec 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-261693 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.08K | 1.98M | Jan 2011 – Apr 2026 |
| Hachar, D. D. G-4-64849 | Columbus Energy Corp. only | Laredo (Lobo) | Webb | 1 | 2.71K | 566K | Jan 1993 – Mar 1999 |
| Hachar, N. D. Heirs G-4-261865 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.71K | 1.71M | Jan 2011 – Apr 2026 |
| Hachar-Akin Gas Unit G-4-158375 | Digital Operating Company LLC only | Acevedo (Lobo 6) | Webb | 1 | 2.7K | 854K | Nov 1995 – Mar 2024 |
| Hachar, N. D. Heirs G-4-279104 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.47K | 2.3M | Dec 2018 – Apr 2026 |
| Hachar, N. D. Heirs G-4-257128 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.46K | 1.45M | May 2010 – Apr 2026 |
| Hachar, D. D. G-4-164013 | Digital Operating Company LLC only | Acevedo (Lobo 6) | Webb | 1 | 2.4K | 748K | Aug 1997 – Mar 2024 |
| Hachar, N. D. Heirs G-4-277744 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.36K | 2.23M | Dec 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-270038 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.35K | 2.65M | Apr 2013 – Apr 2026 |
| Hachar-Adcock Unit G-4-112857 | Columbus Energy, LLC only | Laredo (Navarro) | Webb | 1 | 2.34K | 902K | Jan 1993 – Aug 2025 |
| Hachar, D. D. G-4-161241 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 2.3K | 797K | Jun 1996 – Nov 2016 |
| Hachar, N. D. Heirs G-4-279103 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.27K | 1.72M | Dec 2018 – Apr 2026 |
| Stewart State Hachar GU A G-4-278015 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.2K | 2.17M | Dec 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-255648 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2K | 2.88M | Jan 2010 – Apr 2026 |
| Hachar, N. D. Heirs G-4-269056 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.93K | 1.01M | Oct 2013 – Apr 2026 |
| Hachar, N. D. Heirs G-4-266704 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.84K | 1.1M | Aug 2011 – Apr 2026 |
| Hachar, N. D. Heirs G-4-274267 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.76K | 1.99M | Jan 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-264528 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.64K | 1.42M | Jun 2011 – Apr 2026 |
| Stewart State Hachar GU B G-4-277886 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.63K | 1.75M | Dec 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-273015 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.55K | 1.46M | Oct 2013 – Apr 2026 |
| Hachar, N. D. Heirs G-4-259625 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.54K | 1.02M | Aug 2010 – Apr 2026 |
| Hachar, N. D. Heirs G-4-266702 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.5K | 1.72M | Aug 2011 – Apr 2026 |
| Huisache State Hachar GU A G-4-277870 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.36K | 1.66M | Dec 2014 – Apr 2026 |
| Hachar, N. D. Heirs G-4-263123 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.24K | 1.96M | Jun 2011 – Apr 2026 |
| Hachar, N. D. Heirs G-4-273090 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.19K | 1.69M | Dec 2013 – Apr 2026 |
| Hachar, N. D. Heirs G-4-274189 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.13K | 1.53M | Dec 2013 – Feb 2026 |