| Santa FE Ranch G-4-187663 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 155K | 6.85M | Feb 2002 – Jul 2018 |
| Santa FE Ranch G-4-189845 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 129K | 8.27M | May 2002 – Apr 2026 |
| Santa FE Ranch G-4-194922 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 122K | 6.06M | Dec 2002 – Apr 2026 |
| Santa FE Ranch G-4-193814 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 111K | 17.2M | Aug 2002 – Apr 2026 |
| Mansker "A" G-2-180125 | Hughes, Dan A. Company, L.P. | Causey (11,100) | Bee | 1 | 111K | 6.69M | Sep 2000 – Apr 2014 |
| Santa FE Ranch G-4-206601 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 101K | 6.17M | Nov 2004 – May 2025 |
| Santa FE Ranch G-4-188650 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 81.7K | 4.01M | Mar 2002 – Apr 2026 |
| Santa FE Ranch G-4-190028 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 64.9K | 3.43M | Jun 2002 – Oct 2022 |
| Santa FE Ranch G-4-188472 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 62.6K | 2.39M | Mar 2002 – Apr 2026 |
| Schulze, Herbert K et Al G-4-173536 | Hughes, Dan A. Company, L.P. | Brayton, N. (Vx. Causey) | Nueces | 1 | 59K | 1.51M | Apr 1999 – Mar 2007 |
| Mansker "A" G-2-192167 | Hughes, Dan A. Company, L.P. | Causey (11,100) | Bee | 1 | 48.9K | 3.19M | Aug 2002 – Apr 2010 |
| Santa FE Ranch G-4-196615 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 37.8K | 4.99M | Jan 2003 – Apr 2026 |
| Riley G-2-212128 | Hughes, Dan A. Company, L.P. | Cannan, E. (10150 Wilcox) | Bee | 1 | 37.3K | 1.71M | Apr 2005 – Dec 2015 |
| Dougherty Properties -C- G-2-106806 | Hughes, Dan A. Company, L.P. | Dougherty Ranch (10350) | Bee | 1 | 34.4K | 1.78M | Jan 1993 – Feb 2019 |
| Santa FE Ranch G-4-192836 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 34.2K | 3.35M | Nov 2002 – Aug 2008 |
| Santa FE Ranch G-4-192325 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 28.1K | 13.2M | Oct 2002 – Jun 2017 |
| Santa FE Ranch Mula Pasture G-4-200372 | Hughes, Dan A. Company, L.P. | Stillman (Deep Cons.) | Kenedy | 1 | 27.7K | 8.31M | Mar 2004 – Apr 2026 |
| Santa FE Ranch Mula Pasture G-4-286736 | Hughes, Dan A. Company, L.P. | Stillman (Deep Cons.) | Kenedy | 1 | 27.5K | 13.4M | Feb 2019 – Apr 2026 |
| Oelschlegel, Frank Jr. et Al G-4-233008 | Hughes, Dan A. Company, L.P. | Taft, South (8500) | San Patricio | 1 | 26.8K | 318K | Nov 2007 – Sep 2009 |
| Santa FE Ranch Julian Pasture G-4-252510 | Hughes, Dan A. Company, L.P. | Ball Ranch (Vicksburg Cons.) | Kenedy | 1 | 25.6K | 1.7M | Aug 2009 – Nov 2023 |
| Santa FE Ranch G-4-194536 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 25.3K | 13.9M | Nov 2002 – Jul 2020 |
| Coates-Dorchester G-4-216063 | Hughes, Dan A. Company, L.P. | Jeffress (Vicksburg S) | Hidalgo | 1 | 24.9K | 1.47M | Jan 2006 – Jun 2015 |
| Coates "A" G-4-193813 | Hughes, Dan A. Company, L.P. | Los Torritos, N. | Hidalgo | 1 | 24.2K | 2.04M | Feb 2003 – Dec 2006 |
| Miller, Ilse G-3-140027 | Hughes, Dan A. Company, L.P. | Sharp Shooter (7760) | Wharton | 1 | 19.9K | 3.43M | Jan 1993 – Oct 2004 |
| Coates-Dorchester G-4-230598 | Hughes, Dan A. Company, L.P. | Jeffress (Vicksburg S) | Hidalgo | 1 | 18.2K | 1.43M | May 2007 – Dec 2015 |
| Helm-Arburn Unit G-2-207976 | Hughes, Dan A. Company, L.P. | Garden (Middle Wilcox) | Bee | 1 | 17.3K | 215K | Dec 2004 – Aug 2005 |
| Coates Energy Trust Gas Unit #1 G-4-176936 | Hughes, Dan A. Company, L.P. | Jeffress (Vicksburg S) | Hidalgo | 1 | 16.1K | 2.94M | Mar 2000 – Aug 2008 |
| Santa FE Ranch G-4-263084 | Hughes, Dan A. Company, L.P. | Tom East (N-68) | Brooks | 1 | 15.6K | 1.01M | Sep 2011 – Mar 2023 |
| Coates Energy Trust GU 1 G-4-176035 | Hughes, Dan A. Company, L.P. | Jeffress (Vicksburg T) | Hidalgo | 1 | 14.3K | 1.4M | Feb 2000 – Aug 2008 |
| Santa FE Ranch Mula Pasture G-4-291590 | Hughes, Dan A. Company, L.P. | Stillman (Deep Cons.) | Kenedy | 1 | 14K | 3.73M | Jul 2021 – Apr 2026 |
| Watkins, Larry G-2-200811 | Hughes, Dan A. Company, L.P. | Causey (11,100) | Bee | 1 | 14K | 1.44M | Dec 2003 – Oct 2006 |
| Santa FE Ranch G-4-287104 | Hughes, Dan A. Company, L.P. | Santa FE, S. (Massive 2ND) | Brooks | 1 | 12.8K | 1.14M | Jul 2019 – Apr 2026 |
| Grissom G-2-219613 | Hughes, Dan A. Company, L.P. | Caesar, South (9600) | Bee | 1 | 12.3K | 219K | Feb 2006 – Aug 2007 |
| Keller Unit G-2-220898 | Hughes, Dan A. Company, L.P. | Cannan, E. (10300 Wilcox) | Bee | 1 | 10.5K | 146K | May 2006 – Sep 2007 |
| Santa FE Ranch G-4-199607 | Hughes, Dan A. Company, L.P. | Tom East (13,800) | Brooks | 1 | 9.32K | 5.74M | Jan 2004 – May 2007 |
| Santa FE Ranch Mula Pasture G-4-282022 | Hughes, Dan A. Company, L.P. | Stillman (Deep Cons.) | Kenedy | 1 | 8.7K | 3.05M | Jan 2017 – Apr 2026 |
| Santa FE Ranch "B" G-4-217177 | Hughes, Dan A. Company, L.P. | Santa FE (Zone 4) | Brooks | 1 | 8.38K | 1.99M | May 2005 – Jun 2017 |
| Santa FE Ranch "B" G-4-210427 | Hughes, Dan A. Company, L.P. | Santa FE, South (Zone 3) | Brooks | 1 | 7.72K | 1.43M | May 2005 – Dec 2024 |
| Santa FE Ranch Julian Pasture G-4-247537 | Hughes, Dan A. Company, L.P. | Ball Ranch (Vicksburg Cons.) | Kenedy | 1 | 7.65K | 3.79M | Apr 2009 – May 2024 |
| Brinkoeter Partners, Ltd. "B" G-2-185675 | Hughes, Dan A. Company, L.P. | Cosden (Wilcox 10,170) | Bee | 1 | 6.15K | 351K | Jun 2001 – Aug 2006 |
| Chandler G-2-220897 | Hughes, Dan A. Company, L.P. | Caesar, South (9600) | Bee | 1 | 5.26K | 662K | May 2006 – Nov 2010 |
| Santa FE Ranch Mula Pasture G-4-280852 | Hughes, Dan A. Company, L.P. | Stillman (Deep Cons.) | Kenedy | 1 | 4.66K | 494K | Jun 2016 – Dec 2021 |
| K.H.B. "70" G-4-165821 | Hughes, Dan A. Company, L.P. | Berry R. Cox (Wilcox L-1) | Webb | 1 | 4.46K | 14M | Oct 1997 – Apr 2007 |
| Santa FE Ranch G-4-264564 | Hughes, Dan A. Company, L.P. | Tom East (N-68) | Brooks | 1 | 4.01K | 415K | Mar 2015 – Jul 2019 |
| Santa FE Ranch G-4-209862 | Hughes, Dan A. Company, L.P. | Santa FE (12450) | Brooks | 1 | 3.52K | 715K | Mar 2005 – Sep 2023 |
| Santa FE Ranch Julian Pasture G-4-248524 | Hughes, Dan A. Company, L.P. | Ball Ranch (Vicksburg Cons.) | Kenedy | 1 | 3.45K | 2.46M | Jun 2009 – Jun 2018 |
| Johnston G-2-184509 | Hughes, Dan A. Company, L.P. | Fortitude (Pettus 4110) | Bee | 1 | 3.22K | 592K | Jun 2001 – Feb 2007 |
| Reilly Heirs G-4-262660 | Hughes, Dan A. Company, L.P. | La Grulla (Yegua 7100) | Starr | 1 | 3.12K | 268K | Aug 2011 – Dec 2015 |
| Coates "C" G-4-194776 | Hughes, Dan A. Company, L.P. | Los Torritos, N. | Hidalgo | 1 | 2.74K | 436K | Apr 2003 – Dec 2006 |
| Fulbright, J.E. "G" G-4-147422 | Hughes, Dan A. Company, L.P. | Taquachie (Hinnant #3) | Zapata | 1 | 2.4K | 959K | Dec 1993 – Nov 2006 |