| Scanio, Miguelita G-2-233636 | Digital Operating Company LLC only | Refugio-Fox (6750) | Refugio | 1 | 180K | 552K | Mar 2007 – Feb 2022 |
| Welder 'C' G-2-234179 | Hilcorp Energy Company only | Sharps Lake, N. (5040) | Refugio | 1 | 113K | 310K | Jan 2008 – May 2015 |
| Shelton G-2-208006 | Neumin Production Company only | Refugio-Fox (5500) | Refugio | 1 | 78.4K | 144K | Dec 2004 – Oct 2009 |
| Willow Creek -B- G-2-231490 | T - C Oil Company only | Willow Creek (8000) | Refugio | 1 | 74.8K | 166K | Nov 2007 – Aug 2010 |
| Meoc-Mellon-State Unit G-2-295806 | T-C Oil Company, LLC only | Mary Ellen O'Connor (8300) | Refugio | 1 | 65.2K | 169K | May 2023 – Aug 2026 |
| Braman -D- G-2-288971 | T-C Oil Company, LLC only | Braman (8000) | Refugio | 1 | 58.2K | 678K | Jun 2019 – Aug 2026 |
| Roche G-2-183598 | Wiser Oil Company, The only | Kathleen (Frio B) | Refugio | 1 | 47.2K | 133K | Feb 2000 – Oct 2002 |
| Jacks et Al G-2-177715 | Neumin Production Company only | Big Jim (Third Sinton) | Refugio | 1 | 45.1K | 355K | Dec 1999 – Aug 2001 |
| Baumgartner -A- G-2-250674 | T-C Oil Company, LLC only | Vidauri, North (6400) | Refugio | 1 | 32.9K | 243K | Oct 2008 – Aug 2014 |
| Willow Dreek -B- G-2-231474 | T - C Oil Company only | Willow Creek (8000) | Refugio | 1 | 30.3K | 153K | Oct 2007 – Aug 2010 |
| 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 |
| Braman -A- G-2-286087 | T-C Oil Company, LLC only | Braman (8300) | Refugio | 1 | 24.2K | 1.35M | Jun 2018 – Mar 2024 |
| Baumgartner -A- G-2-275006 | T-C Oil Company, LLC only | Dudley Campbell (Frio 6200) | Refugio | 1 | 23.9K | 91.5K | Sep 2014 – May 2017 |
| Willow Creek-B- G-2-231739 | T-C Oil Company, LLC only | Willow Creek (8000) | Refugio | 1 | 23.6K | 318K | Oct 2007 – Jul 2011 |
| Scanio, Miguelita G-2-207964 | Digital Operating Company LLC only | Refugio-Fox (6600) | Refugio | 1 | 23.6K | 253K | Nov 2004 – May 2020 |
| Roche (6000 Sand) Unit G-2-152225 | H & D Operating Company only | Roche (6000 Sand) | Refugio | 1 | 20.4K | 1.79M | Nov 1994 – Jan 2000 |
| Salt Creek -A- G-2-236778 | T - C Oil Company only | Salt Creek Ranch (8400) | Refugio | 1 | 19.4K | 888K | Jun 2007 – Jul 2009 |
| Roche (6000 Sand) Unit G-2-147914 | H & D Operating Company only | Roche (6000 Sand) | Refugio | 1 | 18.7K | 1.66M | Oct 1993 – Oct 1998 |
| Lambert Gas Unit G-2-234183 | Hilcorp Energy Company only | Tom Oconnor (7930) | Refugio | 1 | 18.2K | 887K | Jan 2008 – Feb 2009 |
| Roche G-2-175282 | Wiser Oil Company, The only | Cactus (Frio Massive) | Refugio | 1 | 18.2K | 319K | Jun 1999 – Jun 2001 |
| Braman -H- G-2-300399 | T-C Oil Company, LLC only | Braman (8200) | Refugio | 1 | 18K | 444K | May 2025 – Aug 2026 |
| Roche, K.D. -A- G-2-128541 | H & D Operating Company only | Roche (-B-) | Refugio | 1 | 17.9K | 374K | by Jan 1993 – Jan 1996 |
| Willow Creek -B- G-2-234324 | T-C Oil Company, LLC only | Willow Creek (8000) | Refugio | 1 | 16.9K | 289K | Mar 2008 – May 2010 |
| Scanio, Miguelita G-2-234584 | Digital Operating Company LLC only | Refugio Old (6550 Frio) | Refugio | 1 | 15K | 615K | Dec 2007 – Nov 2025 |
| O'Brien, J. M. "E" G-2-231786 | Greta Operating Company LLC only | Greta, W. (6300) | Refugio | 1 | 14.5K | 569K | Jun 2007 – Aug 2026 |
| Heard, J. F. B. G-2-218347 | Greta Operating Company LLC only | Greta, North (6100) | Refugio | 1 | 14.4K | 317K | Dec 2005 – Oct 2014 |
| Twin Mott -B- G-2-231346 | T - C Oil Company only | TM Lake (7500) | Refugio | 1 | 12K | 571K | Sep 2007 – Aug 2011 |
| Meoc-Mellon-State Unit G-2-300938 | T-C Oil Company, LLC only | Mary Ellen O'Connor (7750) | Refugio | 1 | 11.9K | 285K | Nov 2025 – Aug 2026 |
| Roche, K.D. A G-2-148725 | H & D Operating Company only | Roche (-B-) | Refugio | 1 | 11.4K | 1.23M | Mar 1994 – Apr 1997 |
| Lambert Gas Unit G-2-249215 | Hilcorp Energy Company only | Tom O' Connor (7800) | Refugio | 1 | 10.7K | 486K | Mar 2009 – Aug 2009 |
| Williams, Maude et al "A" G-2-205741 | Hilcorp Energy Company only | Lake Pasture (Vicksburg 8100) | Refugio | 1 | 10.5K | 836K | Sep 2004 – Jul 2015 |
| Heard, Mrs. Fannie V. W. G-2-180992 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 10.4K | 2.31M | Dec 2000 – May 2004 |
| Welder "C" G-2-170697 | Wiser Oil Company, The only | Phil Power (5200) | Refugio | 1 | 10K | 466K | Feb 1998 – Mar 2005 |
| Lambert Gas Unit G-2-234216 | Hilcorp Energy Company only | Tom Oconnor (7930) | Refugio | 1 | 10K | 484K | Feb 2008 – Oct 2008 |
| Welder "C" G-2-198832 | Hilcorp Energy Company only | Phil Power (5050 Frio) | Refugio | 1 | 9.61K | 229K | May 2002 – Feb 2015 |
| Welder "C" G-2-162521 | Hilcorp Energy Company only | Phil Power (5200-B) | Refugio | 1 | 9.21K | 183K | Jan 1997 – Mar 2002 |
| Miguelita Scanio G-2-269669 | Digital Operating Company LLC only | Refugio-Fox (6600) | Refugio | 1 | 9.15K | 255K | Nov 2012 – Mar 2018 |
| Welder "C" G-2-224616 | Hilcorp Energy Company only | Phil Power (4870) | Refugio | 1 | 8.82K | 296K | Jun 2006 – May 2013 |
| Roche, K. D. A G-2-156613 | H & D Operating Company only | Roche (-B-) | Refugio | 1 | 8.82K | 813K | Nov 1995 – Nov 1998 |
| Braman -A- G-2-263065 | T-C Oil Company, LLC only | Braman (8500) | Refugio | 1 | 8.6K | 321K | Sep 2011 – Jan 2013 |
| Welder "G" G-2-163124 | Wiser Oil Company, The only | Phil Power (5550) | Refugio | 1 | 8.1K | 687K | Apr 1997 – Jul 2004 |
| Meoc-Mellon-State Unit G-2-297464 | T-C Oil Company, LLC only | Mary Ellen OCONNOR(8100) | Refugio | 1 | 7.53K | 439K | Jun 2024 – Aug 2026 |
| Roche, K. D. A G-2-148721 | H & D Operating Company only | Roche (-B-) | Refugio | 1 | 7.2K | 855K | Mar 1994 – Apr 1996 |
| Lambert, M. F. G-2-84415 | Hilcorp Energy Company only | Tom Oconnor | Refugio | 1 | 7.11K | 577K | by Jan 1993 – May 2010 |
| O'Connor, Joe -A- G-2-229665 | T - C Oil Company only | Artesian Creek (6200) | Refugio | 1 | 6.66K | 724K | Jun 2007 – Jan 2010 |
| Williams, Maude et al "A" G-2-214334 | Hilcorp Energy Company only | Lake Pasture (Vicksburg 8100) | Refugio | 1 | 6.45K | 1.2M | Aug 2005 – Jan 2021 |
| Reilly, Annie et Vir G-2-180969 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 6.4K | 1.26M | Dec 2000 – Mar 2001 |
| Braman -G- G-2-293128 | T-C Oil Company, LLC only | Braman (8700) | Refugio | 1 | 6.34K | 541K | Jul 2022 – Nov 2025 |
| Fox, W. J. -A- G-2-271692 | Hilcorp Energy Company only | Refugio-Fox (6600) | Refugio | 1 | 5.98K | 249K | Sep 2013 – Dec 2017 |
| Lambert Gas Unit G-2-255564 | Hilcorp Energy Company only | Tom O'Connor (South 7700) | Refugio | 1 | 5.94K | 381K | Sep 2009 – Jan 2010 |