| Arco Fee Unit A-924 G-6-158379 | Anadarko E&P Company LP only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 309K | 4.95M | Jan 1996 – Jun 2003 |
| Arco Fee Diamond G-3-127227 | Permian Natural Resources only | Buna, West (Wilcox) | Jasper | 1 | 309K | 3.58M | by Jan 1993 – Jan 2025 |
| Arco Fee Unit A-888 G-6-152511 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 296K | 6.63M | Sep 1994 – Aug 2026 |
| Arco Fee Unit A-121 G-6-151133 | Union Pacific Resources Company only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 254K | 2.6M | May 1994 – Mar 2000 |
| Arco Fee G-3-148623 | Union Oil Company of California only | Felicia Creek (y-4 Sand) | Liberty | 1 | 213K | 3.49M | Nov 1993 – Jul 1995 |
| Arco/Black Stone a-233 Unit G-6-156986 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 203K | 2.75M | Dec 1994 – Aug 2026 |
| Arco Fee Diamond Gas Unit G-3-121029 | Global Exploration, LLC only | Buna, West (Wilcox) | Jasper | 1 | 183K | 821K | by Jan 1993 – Feb 2026 |
| Arco Fee Unit A-312 G-6-156383 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 176K | 2.94M | Apr 1995 – Nov 2017 |
| Arco Fee Unit A-228 G-6-153489 | Enervest Operating, L.L.C. only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 163K | 2.16M | May 1994 – Nov 2001 |
| Arco Fee Diamond Gas Unit G-3-132731 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 157K | 1.46M | by Jan 1993 – Sep 2005 |
| Arco Fee A-360 G-6-158205 | Rme Petroleum Company only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 147K | 1.44M | Oct 1995 – Jul 2000 |
| Briarcove Unit G-3-204707 | Phoenix Hydrocarbons Operating only | Ulrich (Yegua 3A) | Harris | 1 | 145K | 6.38M | Dec 2004 – Oct 2023 |
| Arco Fee Unit A-241 G-6-152480 | Prize Exploration, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 145K | 3.06M | Sep 1994 – Mar 2022 |
| Arco-Fee A-259 G-6-153653 | Enervest Operating, L.L.C. only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 139K | 2.34M | Nov 1994 – Oct 2006 |
| Arco East Diamond G-3-131616 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 137K | 1.06M | by Jan 1993 – Jan 2005 |
| Arco Fee Unit A-222 G-6-158017 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 136K | 1.71M | Jan 1996 – Dec 2009 |
| Arco Fee Unit A-210 G-6-151506 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 130K | 3.68M | Apr 1994 – Jun 2026 |
| Arco Fee Unit A-208 G-6-149501 | RKI Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 124K | 3.08M | Feb 1994 – Apr 2014 |
| Arco-Fee A-215 G-6-154275 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 123K | 6.39M | Jan 1995 – Aug 2026 |
| Arco Fee Sec. 83 G-3-126181 | Global Exploration, LLC only | Buna, West (Wilcox) | Jasper | 1 | 121K | 807K | by Jan 1993 – Dec 2024 |
| Arco Fee Unit A-209 G-6-151808 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 109K | 4.57M | Jul 1994 – Jun 2026 |
| Arco Fee Unit A-232 G-6-163061 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 105K | 2.02M | Dec 1996 – Aug 2026 |
| Arco Fee Unit G-6-147217 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 105K | 1.61M | Oct 1993 – Jan 2002 |
| Arco Fee A-910 G-6-155817 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 91K | 3.33M | Jun 1995 – Jun 2026 |
| Arco Fee Unit A-580 G-6-159394 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 90K | 3.31M | May 1996 – Apr 2015 |
| Arco Fee Section 83 G-3-185585 | Global Exploration, LLC only | Buna, West (Wilcox) | Jasper | 1 | 82.2K | 738K | Sep 2001 – Dec 2024 |
| Arco - Fee Unit a - 243 G-6-152327 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 81.8K | 5.16M | Oct 1994 – Apr 2026 |
| Arco-Fee a-990 Unit G-6-153675 | Union Pacific Resources Company only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 77.7K | 1.04M | Dec 1994 – Aug 1998 |
| Arco-Vickers G-3-148921 | Aries Operating, LLC only | John Vickers (Wilcox 10,300) | Hardin | 1 | 77.6K | 300K | Mar 1994 – Mar 2000 |
| Arco Fee Silsbee G-3-121495 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 77.4K | 392K | by Jan 1993 – Feb 2005 |
| Arco Fee Silsbee G-3-125915 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 76.8K | 589K | by Jan 1993 – Jan 2006 |
| Arco Fee "a" Unit A-920 G-6-160995 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 76.4K | 2.25M | Mar 1996 – Jun 2026 |
| Arco Fee Unit A-216 G-6-161032 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 74.9K | 2.98M | Jul 1996 – Aug 2023 |
| Arco Fee Unit A-580 G-6-245707 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 73.6K | 2.4M | Oct 2008 – Aug 2026 |
| Arco Fee Unit G-6-151014 | L.C.S. Production Company only | Brookeland (Austin Chalk, 8800) | San Augustine | 1 | 72.6K | 1.93M | Jun 1994 – Sep 2000 |
| Arco Fee Unit A-253 G-6-164325 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 71.7K | 2.02M | Oct 1996 – Aug 2025 |
| Arco Cooley G-2-182781 | Endeavor Natural Gas, LP only | Mission Valley, W.(wilcox 10600) | Victoria | 1 | 67.2K | 3.91M | Jan 2001 – May 2021 |
| Arco Fee Unit A-920 G-6-153986 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 67K | 1.69M | Jul 1994 – Apr 2015 |
| Pickett Gas Unit G-2-259567 | Marathon Oil EF LLC only | San Marcos (Austin Chalk) | De Witt | 1 | 64.1K | 589K | Jan 2011 – Jul 2026 |
| Arco Fee G-3-173343 | Cimarex Energy Co. only | Felicia Creek (y-4 Sand) | Liberty | 1 | 61.1K | 822K | Feb 1999 – Jul 2005 |
| Arco Fee "A" G-3-159055 | Roberson Oil Company only | Highbaugh (Wilcox Rochna Sand) | Tyler | 1 | 57.4K | 300K | Apr 1996 – Feb 2000 |
| Arco Fee Unit A-252 G-6-156391 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 57K | 3.87M | Jun 1995 – May 2026 |
| Bower G-2-177634 | Chaparral Energy, L.L.C. only | Charco, Se.(wilcox, Middle 9700) | Goliad | 1 | 55K | 2.04M | Mar 2000 – Nov 2010 |
| Arco Fee Unit A-250 G-6-156987 | Rme Petroleum Company only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 51.1K | 1.33M | Sep 1995 – Apr 2001 |
| Arco Fee Ellery G-3-131617 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 50.9K | 218K | by Jan 1993 – Apr 2005 |
| Arco Fee Ellery G-3-129902 | Goldking Onshore Operating, LLC only | Buna, West (Wilcox) | Hardin | 1 | 49.9K | 157K | by Jan 1993 – May 2009 |
| Arco Fee 'A' G-6-149207 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 49.6K | 2.29M | Mar 1994 – Aug 2026 |
| Arco Fee Diamond G-3-136831 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 44.1K | 284K | by Jan 1993 – Jun 2004 |
| Arco Fee G-5-158161 | Diversified Production LLC only | Neal (Bossier) | Freestone | 1 | 42.8K | 3.39M | Feb 1996 – Aug 2026 |
| Arco No. 1 G-6-205175 | Covenant Energy LLC only | Stockman (Travis Peak) | Shelby | 1 | 39.5K | 587K | Aug 2004 – May 2014 |