| Huff 9 O-14-9623 | Upland Resources LLC only | Hemphill (Douglas) | Hemphill | 1 | 4.27K | 15K | Apr 2018 – Aug 2026 |
| Huff Bros 2 G-14-275630 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 4.18K | 1.93M | May 2013 – Aug 2026 |
| Huff G-14-258038 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.13K | 519K | Jan 2010 – Aug 2026 |
| Huff Bros 2 G-14-268693 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 4.12K | 1.38M | Jan 2013 – Aug 2026 |
| Huff Unit G-14-49131 | Cimarex Energy Co. only | Buffalo Wallow (Morrow) | Hemphill | 1 | 4.05K | 3.29M | by Jan 1993 – Jul 2014 |
| Huffman GU G-6-246631 | Sabine Oil & Gas Corporation only | Carthage (Haynesville Shale) | Harrison | 1 | 4.04K | 756K | Mar 2009 – Sep 2018 |
| Huff Ranch 47 G-14-251378 | Presidio Petroleum LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 4.02K | 877K | Sep 2007 – Feb 2020 |
| Petrex 60BB O-13-31887 | Willowbend Investments, Inc. only | Bassi-Huffman (Conglomerate) | Archer | 1 | 3.81K | 4.71K | Jun 2011 – Sep 2012 |
| Huff 9 O-14-7447 | Apache Corporation only | Hemphill (Douglas) | Hemphill | 1 | 3.74K | 26.2K | Jan 2003 – Dec 2012 |
| Huff 9 G-14-258842 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.7K | 258K | Jun 2010 – Aug 2026 |
| Aminex-Archer O-13-26778 | Willowbend Investments, Inc. only | Bassi-Huffman (Conglomerate) | Archer | 2 | 3.62K | 83.6K | by Jan 1993 – Oct 2008 |
| Huff Bros 2 G-14-218850 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 3.59K | 46.4K | Jul 2006 – Oct 2015 |
| Huffman "B" G-5-197371 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 3.58K | 1.87M | Apr 2003 – Aug 2026 |
| Wilcox, Charles "A" O-6-12606 | Diamond a Inc. only | Rodessa (Huffins-Hill) | Cass | 1 | 3.56K | 3.94K | by Jan 1993 – Jun 1993 |
| Huff, Charles O-1-1045 | Turner, Glen only | Luling-Branyon | Caldwell | 4 | 3.38K | 62 | by Jan 1993 – Mar 1998 |
| Huff, A. D. G-13-144897 | Felderhoff Production Company only | Kenkirk (Strawn 3100) | Wise | 1 | 3.31K | 582K | Mar 1993 – Jul 2026 |
| Huffman "B" G-5-211056 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 3.03K | 913K | Jan 2005 – Aug 2026 |
| Huff 32 G-14-250157 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.75K | 598K | Jan 2009 – Aug 2026 |
| Huff Bros 2 G-14-269354 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 2.71K | 1.65M | Mar 2013 – Oct 2025 |
| Huff 9 G-14-172164 | Upland Resources, Inc. only | Hemphill (Douglas) | Hemphill | 1 | 2.63K | 10.8K | Feb 1999 – Nov 2001 |
| Huff 32 G-14-201110 | Upland Resources, Inc. only | Hemphill (Douglas) | Hemphill | 1 | 2.62K | 7.74K | Apr 2004 – Nov 2004 |
| Eva Huffman Gas Unit G-5-189832 | Pedernales Petroleum OP, LLC only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 2.57K | 728K | Apr 2002 – Aug 2026 |
| Huffman-Smith G-6-129551 | Comstock Oil & Gas, Inc. only | Waskom (Cotton Valley) | Harrison | 1 | 2.56K | 118K | by Jan 1993 – Jan 1996 |
| Huffman, Fred G-8-140757 | 9K Investments LLC only | Desdemona, E. (Caddo, Upper) | Erath | 1 | 2.54K | 62.7K | Apr 1993 – Jun 2026 |
| Eva Huffman Gas Unit G-5-187155 | Pedernales Petroleum OP, LLC only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 2.46K | 650K | Dec 2001 – Nov 2016 |
| Huff G-14-135141 | Faulconer, Vernon E., Inc. only | Hansford (Morrow, Upper) | Hansford | 1 | 2.46K | 412K | by Jan 1993 – Apr 1998 |
| Huff, Curtis L. O-1-6976 | Eagle Ford Oil Co., Inc. only | Dunlap | Caldwell | 3 | 2.36K | 125 | by Jan 1993 – Sep 2014 |
| Huff, G. J. O-6-11172 | Nadel and Gussman, L.L.C. only | Cyril (Travis Peak 7650) | Rusk | 1 | 2.33K | 2.89K | by Jan 1993 – Jan 1999 |
| Huffman "B" Unit G-5-207429 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 2.27K | 1.47M | Sep 2004 – May 2026 |
| Huff G-14-258663 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.22K | 318K | May 2010 – Aug 2026 |
| Huffman "B" G-5-195626 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 2.16K | 2.27M | Apr 2003 – Jul 2026 |
| Huff GU 1 G-2-128875 | Setex Oil and Gas Company only | McFaddin (4400) | Refugio | 1 | 2.14K | 228K | by Jan 1993 – May 2004 |
| Meadows, H. E. O-9-13417 | Huff, Jack only | Corvo (Clearfork) | Crockett | 1 | 2.07K | 41.4K | by Jan 1993 – Jul 1993 |
| Huffman "B" G-5-190846 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 2.02K | 1.8M | Aug 2002 – Oct 2022 |
| Huffman "B" G-5-196349 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.95K | 1.25M | Jan 2003 – Mar 2020 |
| Huffman, V. S. O-3-23603 | Elliott Oil & Gas Operating Co. only | Arcola | Brazoria | 1 | 1.94K | 4.53K | Aug 1998 – Dec 1999 |
| Huff O-14-8260 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Hansford | 4 | 1.94K | 59K | May 2011 – Sep 2013 |
| O'Connor, Dennis et al. "N" O-2-7974 | T - C Oil Company only | Huff (3000, FB-W) | Refugio | 1 | 1.89K | 4.27K | Jun 1994 – Jan 1995 |
| Huffhines, R L O-13-31239 | Heape Exploration, Inc. only | Gordonville, West (Viola) | Grayson | 1 | 1.88K | 0 | Jul 2007 – Sep 2009 |
| Huff G-14-239304 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 1.75K | 389K | Mar 2008 – Aug 2026 |
| Huffman, V. S. G-3-160008 | Howard Exploration, Inc. only | Arcola (7400 Frio) | Brazoria | 1 | 1.7K | 54.1K | Jul 1996 – Feb 1997 |
| Huffman "B" G-5-194716 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.69K | 2.05M | Feb 2003 – Oct 2022 |
| Huffman, Eva Gas Unit G-5-187357 | Pedernales Petroleum OP, LLC only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.64K | 297K | Jan 2002 – May 2016 |
| Huffman, V.S. O-3-15389 | Derrick Oil & Gas, Inc. only | Arcola (Huffman) | Brazoria | 1 | 1.58K | 9 | by Jan 1993 – Nov 1993 |
| Huffman "B" G-5-202022 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.54K | 1.17M | Apr 2004 – Jun 2020 |
| O'Conner, Dennis Etal "N" O-2-7106 | T - C Oil Company only | Huff ( 341) | Refugio | 2 | 1.51K | 9.6K | by Jan 1993 – Apr 1994 |
| Huffman "B" G-5-197369 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.46K | 2.27M | Mar 2003 – Jun 2024 |
| Huffman, V.S. O-3-22400 | Elliott Oil & Gas Operating Co. only | Arcola (7220) | Brazoria | 1 | 1.45K | 4 | May 1994 – Apr 1995 |
| Huff G-1-248932 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 1.37K | 223K | Dec 2008 – Aug 2026 |
| Blackburn Huff G-1-186571 | Blue Flame Operating Company LLC only | Milano, East (Buda) | Milam | 1 | 1.36K | 74.7K | Jun 2002 – Mar 2016 |