| O'Connor, Dennis et al -G- O-2-8580 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 6 | 32.5K | 234K | Jan 2001 – Sep 2001 |
| Welder 'C' O-2-9086 | Forest Oil Corporation only | Sharps Lake, N. (5040) | Refugio | 2 | 32.4K | 140K | May 2006 – Jan 2008 |
| Copano Gas Unit O-2-3669 | T - C Oil Company only | Tom Oconnor (5440) | Refugio | 1 | 32.4K | 72.5K | Jan 1993 – Nov 2007 |
| Rooke, F. B. 4 O-2-8532 | C & E Operating, Inc. only | Woodsboro, West (6900) | Refugio | 3 | 32.4K | 78K | Feb 2000 – Dec 2004 |
| O'Conner, Mary Ellen O-2-5905 | Dolphin Petroleum, LP only | Mary Ellen Oconnor (FQ-25) | Refugio | 2 | 32.2K | 80K | Jan 1993 – Jul 2016 |
| O'Connor O-2-7649 | T-C Oil Company, LLC only | Huff (5250) | Refugio | 3 | 31.8K | 139K | Jan 1993 – Feb 2020 |
| Oconnor, Mary Ellen O-2-5404 | Dolphin Petroleum, LP only | Mary Ellen Oconnor (5000) | Refugio | 2 | 31.6K | 99.2K | Jan 1993 – Jul 2016 |
| Williams, Maude, Etal -A- O-2-2534 | Hilcorp Energy Company only | Lake Pasture (FS-538) | Refugio | 3 | 31.5K | 237K | Jan 1993 – Mar 2004 |
| Schirmer "C" O-2-8477 | Christopher Oil & Gas Inc only | Bonnie View (5600) | Refugio | 1 | 31.3K | 104K | Oct 1999 – Nov 2000 |
| Welder "D" O-2-8636 | Hilcorp Energy Company only | Vidauri (5400 Sand) | Refugio | 1 | 30.8K | 49K | Sep 2000 – Jan 2014 |
| Oconnor, Mary Ellen O-2-2708 | Dolphin Petroleum, LP only | Mary Ellen Oconnor (FS-96) | Refugio | 6 | 30.8K | 102K | Jan 1993 – Jul 2016 |
| Willow Dreek -B- G-2-231474 | T - C Oil Company only | Willow Creek (8000) | Refugio | 1 | 30.3K | 153K | Oct 2007 – Aug 2010 |
| Scanio/Shelton G-2-241967 | High Plains Gas Systems, Inc. only | Mission River (8300 Vksbg) | Refugio | 1 | 30.2K | 611K | Aug 2008 – Dec 2014 |
| Williams, Maude et al "A" O-2-7539 | Hilcorp Energy Company only | Lake Pasture (FS-540) | Refugio | 1 | 29.8K | 120K | Jan 1993 – Sep 2003 |
| Roche G-2-227407 | Salida Exploration, LLC only | Roche, S. (Chamberlain) | Refugio | 1 | 29.4K | 342K | Feb 2007 – Jul 2014 |
| Rooke, P. H. O-2-2437 | 38 Oil & Gas, L.L.C. only | Refugio New (6200 Stringer Sd.) | Refugio | 1 | 29.1K | 37.8K | Jan 1993 – Aug 1998 |
| Dahse, George W. O-2-7669 | Hyquest Energy, Inc. only | Bonnie View (4700) | Refugio | 1 | 28.7K | 2.47K | Jan 1993 – Jan 2006 |
| Fox, W. J. "A" O-2-9080 | Hilcorp Energy Company only | Hynes Ranch (FF-38 Sand) | Refugio | 3 | 28.4K | 61.3K | Nov 2006 – Jun 2011 |
| Thomas O'Connor 'B' O-2-10382 | Hilcorp Energy Company only | Mary Ellen Oconnor (Frio 6500) | Refugio | 3 | 28.4K | 67.2K | Oct 2012 – Mar 2018 |
| Fagan C O-2-9196 | Allegiant Resources, LLC only | McFaddin (4500) | Refugio | 1 | 28.4K | 11.8K | May 2008 – Mar 2017 |
| Williams, Maude et al "B" O-2-7688 | Hilcorp Energy Company only | Tom O'Connor (5350 Sand) | Refugio | 3 | 28.3K | 91.3K | Jan 1993 – May 2010 |
| Rooke O-2-11306 | San Isidro Development Co, L. C. only | Refugio New (6400 Sand) | Refugio | 1 | 28.1K | 81.7K | Aug 2016 – Apr 2026 |
| O'Connor, Thomas "B" O-2-7920 | Hilcorp Energy Company only | Mary Ellen Oconnor (Frio 6500) | Refugio | 1 | 27.7K | 89.3K | Nov 1993 – Mar 1997 |
| Rooke, F. B. 7 O-2-8486 | C & E Operating, Inc. only | Roche, North (Frio 6900) | Refugio | 3 | 27.6K | 141K | Aug 1999 – Jan 2003 |
| Kentucky-Fagan O-2-8371 | Anderson Oil Ltd. only | Fagan (Tilly Thomas) | Refugio | 1 | 27.6K | 18.7K | Mar 1998 – May 1999 |
| Welder "C" #25 O-2-8277 | Forest Oil Corporation only | Sharps Lake, N. (5240) | Refugio | 2 | 27.5K | 127K | May 1997 – Jun 2005 |
| O'Connor, M. E. O-2-5736 | T-C Oil Company, LLC only | Woodsboro, South (5950) | Refugio | 2 | 27.4K | 138K | Jan 1993 – Apr 2017 |
| Lambert, M. F."h" O-2-7863 | Pennzoil Exploration & Prod. Co. only | Siene Bean (5770) | Refugio | 1 | 27.4K | 184K | Apr 1993 – Apr 1996 |
| Rooke O-2-12361 | San Isidro Development Co, L. C. only | Refugio New (6200 FB 1) | Refugio | 2 | 27.3K | 2.86K | Apr 2022 – Apr 2026 |
| W. J. Fox 'A' O-2-10453 | Hilcorp Energy Company only | Hynes Ranch (FF-38 Sand) | Refugio | 2 | 27.3K | 57.6K | Dec 2011 – Apr 2017 |
| Oconnor, Thomas -B- O-2-957 | Hilcorp Energy Company only | Mary Ellen Oconnor (FQ-35 Sd.) | Refugio | 1 | 27.2K | 45.1K | Jan 1993 – Feb 2010 |
| Gilliam O-2-8161 | Hyquest Energy, Inc. only | Bonnie View (Frio 5700) | Refugio | 1 | 27.1K | 11.5K | Mar 1996 – Dec 2005 |
| O'Conner, Thomas -A- O-2-6436 | Hilcorp Energy Company only | Tom Oconnor (5425 Sand) | Refugio | 3 | 26.6K | 188K | Sep 1996 – Feb 2005 |
| Heard, Fannie V. W. O-2-5382 | Primrose Operating Company only | Greta, Deep (5850) | Refugio | 1 | 26.4K | 40.4K | Apr 1995 – Aug 2003 |
| Maude Williams et al 'A' O-2-10422 | Hilcorp Energy Company only | Lake Pasture (FT-585) | Refugio | 2 | 26.4K | 93.3K | Dec 2012 – Nov 2024 |
| Fox, W. J. O-2-2504 | Hilcorp Energy Company only | Refugio-Fox (Fox 26 Sand) | Refugio | 3 | 26.2K | 57.5K | Jan 1993 – Feb 2017 |
| O'Brien, J. M. J O-2-9051 | Acock/Anaqua Operating Co., LP only | Greta, Deep (5700) | Refugio | 1 | 26K | 47.6K | Mar 2006 – Nov 2015 |
| Swyka G-2-171442 | C & E Operating, Inc. only | Peponi Ranch (Frio 4800) | Refugio | 1 | 25.9K | 2.58M | Sep 1998 – Jul 2011 |
| I. G. W. Buck O-2-8997 | Christopher Oil & Gas Inc only | Bonnie View (6200 Sand) | Refugio | 1 | 25.7K | 38.6K | Aug 2005 – Aug 2011 |
| Miguelita Scanio O-2-10364 | Digital Operating Company LLC only | Tom Oconnor (7300) | Refugio | 1 | 25.5K | 48K | Jul 2012 – Mar 2020 |
| Lambert, M. F. O-2-9125 | Hilcorp Energy Company only | Tom Oconnor (West 6600) | Refugio | 1 | 25.3K | 30.1K | Feb 2007 – Jul 2007 |
| Heard, Ira "B" O-2-9238 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 25.3K | 58.1K | Jul 2008 – Oct 2022 |
| Welder "C" O-2-8267 | Forest Oil Corporation only | Phil Power (5550) | Refugio | 1 | 25K | 77K | Mar 1997 – Apr 2006 |
| Meoc-Mellon-State Unit G-2-292773 | T-C Oil Company, LLC only | Mary Ellen OCONNOR(8100) | Refugio | 1 | 24.6K | 1.29M | Feb 2022 – Oct 2025 |
| Fox, W. J. "A" O-2-8957 | Hilcorp Energy Company only | Hynes Ranch (Frio 5500) | Refugio | 1 | 24.4K | 118K | Dec 2004 – Oct 2009 |
| Scanio Shelton O-2-8937 | Acock/Anaqua Operating Co., LP only | Mission River | Refugio | 1 | 24.4K | 98.4K | Jan 2005 – Apr 2009 |
| Nordan, Morris - Oconnor, Thos. O-2-4487 | T - C Oil Company only | Tom Oconnor (5425 Sand) | Refugio | 1 | 24.2K | 37.1K | Jan 1993 – May 1998 |
| Braman -A- G-2-286087 | T-C Oil Company, LLC only | Braman (8300) | Refugio | 1 | 24.2K | 1.35M | Jun 2018 – Mar 2024 |
| Schirmer, et Al O-2-8429 | Bent Wing Energy, LLC only | Bonnie View (FQ- 9 Sand) | Refugio | 1 | 24.1K | 12.4K | Jan 1999 – Aug 2013 |
| Shelton G-2-233811 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-690) | Refugio | 1 | 24K | 949K | Jan 2008 – May 2015 |