| O'Connor -H- O-2-10579 | T-C Oil Company, LLC only | Huff (3250) | Refugio | 1 | 1.34K | 19.7K | Jul 2013 – Jun 2014 |
| Eva Huffman Gas Unit G-5-189938 | Basa Resources, Inc. only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.32K | 240K | May 2002 – Apr 2009 |
| Huff 9 G-14-264767 | United Oil & Shale LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 1.31K | 145K | Apr 2011 – Mar 2016 |
| Erin - Aminex O-13-26263 | Willowbend Investments, Inc. only | Bassi-Huffman (Conglomerate) | Archer | 1 | 1.3K | 66.8K | by Jan 1993 – Jun 2009 |
| Huffman "B" G-5-193293 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.22K | 2.18M | Nov 2002 – Aug 2026 |
| Huff G-14-258660 | United Oil & Shale LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 1.21K | 244K | May 2010 – Dec 2014 |
| Eva Huffman Gas Unit G-5-186365 | Pedernales Petroleum OP, LLC only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.2K | 1.14M | Oct 2001 – Aug 2026 |
| Huff et Al O-1-8314 | Ginco Operating Co. only | Luling-Branyon | Caldwell | 9 | 1.2K | 21 | by Jan 1993 – Apr 1996 |
| Huffman, V. S. G-3-162267 | Howard Exploration, Inc. only | Arcola (6750 Frio) | Brazoria | 1 | 1.14K | 36.4K | Feb 1997 – Jul 1998 |
| Hubert G-4-267433 | Mountain V Texas, LLC only | Yeary (Huff) | Kleberg | 1 | 1.14K | 91.4K | May 2012 – Nov 2014 |
| Smith, Huffman G-6-165819 | Memorial Production Oper. LLC only | Waskom, (Travis Peak, Upper) | Harrison | 1 | 1.09K | 75.7K | Sep 1997 – Nov 2012 |
| Huffman "B" G-5-197373 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.08K | 1.47M | Jun 2003 – Aug 2026 |
| Huffman "B" G-5-193046 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 1.03K | 2.36M | Oct 2002 – Aug 2026 |
| Huffhines, E. O-9-16331 | Red Willow Production, LLC only | Dick Richardson (Gardner Lime) | Runnels | 1 | 994 | 0 | Jul 2008 – May 2014 |
| Huff G-1-160569 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 992 | 547K | Oct 1996 – Aug 2026 |
| Huffman "B" G-5-193052 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 960 | 2.04M | Aug 2002 – Aug 2026 |
| Huff G-1-257695 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 917 | 1.64M | May 2010 – Aug 2026 |
| Aminex Corp. "Archer" O-13-25858 | Willowbend Investments, Inc. only | Bassi-Huffman (Conglomerate) | Archer | 1 | 913 | 10.9K | by Jan 1993 – Jun 2003 |
| Huffman "B" G-5-266547 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 818 | 1.15M | Oct 2012 – Aug 2026 |
| Huffman "B" G-5-197961 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 814 | 1.47M | Jul 2003 – Dec 2023 |
| Huffman-Smith G-6-234697 | Eqv Operating LLC only | Bethany (Cotton Valley) | Harrison | 1 | 764 | 412K | Nov 2007 – Aug 2026 |
| Huff G-1-165199 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 738 | 297K | Sep 1997 – Aug 2026 |
| Huffman "B" G-5-220502 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Limestone | 1 | 722 | 1.01M | Mar 2006 – Aug 2026 |
| Huff G-1-162023 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 715 | 236K | Feb 1997 – Aug 2026 |
| Huff G-1-161153 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 713 | 364K | Dec 1996 – Aug 2026 |
| Huffman, V. S. G-3-176827 | Elliott Oil & Gas Company only | Arcola (7320) | Brazoria | 1 | 703 | 24.8K | Feb 2000 – Aug 2000 |
| Jones, W. T. G-3-83793 | Rana Energy Company only | Huffsmith (Sid Moore) | Harris | 1 | 699 | 8.63K | by Jan 1993 – May 1993 |
| Huff G-1-164614 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 669 | 504K | Sep 1997 – Aug 2026 |
| Huffman, Eva G-5-112884 | Pedernales Petroleum OP, LLC only | Farrar, N. (Pettit) | Freestone | 1 | 641 | 172K | May 1996 – Aug 2026 |
| Smith, Huffman G-6-157833 | Memorial Production Oper. LLC only | Waskom, (Travis Peak, Upper) | Harrison | 1 | 626 | 113K | Feb 1996 – Sep 2011 |
| Huff Bros 2 G-14-218843 | Enervest Operating, L.L.C. only | Frye Ranch (Consolidated) | Wheeler | 1 | 587 | 13.1K | Jul 2006 – Jan 2015 |
| Huffhines, Erna O-9-7686 | Franklin, Jack only | Dick Richardson (Gardner Sand) | Runnels | 1 | 561 | 4.26K | by Jan 1993 – Sep 1995 |
| Huff G-1-117344 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 530 | 611K | by Jan 1993 – Aug 2026 |
| Huffman "B" G-5-193245 | Valence Operating Company only | Freestone (CV-Bossier Cons.) | Freestone | 1 | 529 | 2.29M | Nov 2002 – Aug 2026 |
| Huffman, Eva Gas Unit G-5-144653 | Sikes Operating, Inc. only | Farrar, N. (Bossier Sand) | Freestone | 1 | 501 | 136K | by Jan 1993 – Apr 1996 |
| Pacific Entp O-13-28221 | Johnson, William D. only | Bassi-Huffman (Conglomerate) | Archer | 1 | 488 | 1.43K | by Jan 1993 – Aug 1995 |
| Huff G-1-162498 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 488 | 269K | Mar 1997 – Aug 2026 |
| Huff G-1-160964 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 469 | 384K | Nov 1996 – Aug 2026 |
| Huff GU 1 G-2-145000 | Setex Oil and Gas Company only | Huff (5000) | Refugio | 1 | 468 | 185K | Feb 1993 – May 1995 |
| Vaughan Unit O-8-20061 | Jimnmy Properties, Inc. only | Huffpuff (Bend Congl.) | Haskell | 1 | 468 | 27 | by Jan 1993 – Mar 1995 |
| Huffman, L. W. O-6-1836 | Aquinas Oil & Gas, LLC only | Trinity | Houston | 2 | 402 | 7 | by Jan 1993 – Feb 2004 |
| Huff G-1-117713 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 395 | 339K | Nov 1998 – Aug 2026 |
| Huffman-Smith G-6-129548 | Comstock Oil & Gas, Inc. only | Waskom (Cotton Valley) | Harrison | 1 | 381 | 65.7K | by Jan 1993 – Apr 1997 |
| Huffman "B" G-5-167363 | Valence Operating Company only | Farrar, N. (Pettit) | Freestone | 1 | 360 | 224K | Dec 1997 – Aug 2015 |
| Huff "C" O-3-14071 | Marathon Oil Company only | Giddings (Austin Chalk-3) | Lee | 2 | 342 | 26.4K | by Jan 1993 – Nov 1993 |
| Huffman O-13-18159 | Clayton, Jerry D. only | Young County Regular | Young | 1 | 285 | 24 | by Jan 1993 – Mar 1995 |
| Huff G-1-162262 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 278 | 155K | Mar 1997 – Aug 2026 |
| Huffman "B" G-5-120340 | Valence Operating Company only | Farrar (Travis Peak) | Freestone | 1 | 266 | 196K | by Jan 1993 – Nov 2019 |
| Huff G-1-241826 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 263 | 214K | May 2008 – Aug 2026 |
| Huffman-Smith G-6-126022 | Sonat Exploration Company -Tyler only | Waskom (Page Sand) | Harrison | 1 | 260 | 21.8K | by Jan 1993 – Sep 1994 |