| Williams, Maude et al 'A' O-2-11406 | Hilcorp Energy Company only | Lake Pasture (FT-740) | Refugio | 2 | 9.34K | 41.7K | Sep 2017 – Feb 2019 |
| Rooke O-2-11963 | San Isidro Development Co, L. C. only | Refugio New (6100 Stringer 1) | Refugio | 1 | 9.25K | 5.3K | Mar 2020 – Apr 2026 |
| 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 |
| Braman -A- O-2-11356 | T-C Oil Company, LLC only | Braman (8300) | Refugio | 1 | 9.12K | 248K | Jun 2017 – May 2018 |
| Longoria Unit O-2-9272 | Bellows Operating Co., L. C. only | Refugio Heard (Area) | Refugio | 1 | 9.1K | 0 | Nov 2008 – Dec 2014 |
| O'Connor, Thomas "C" O-2-8969 | Hilcorp Energy Company only | Tom O'Connor (5350 Sand) | Refugio | 1 | 9.09K | 6.58K | May 2005 – Nov 2007 |
| Williams, Maude et al "A" O-2-7557 | Hilcorp Energy Company only | Lake Pasture (FT-785) | Refugio | 1 | 9.06K | 78.6K | May 1999 – Aug 2003 |
| Lambert, Mary F. O-2-4888 | Hilcorp Energy Company only | Tom Oconnor (5450 Sand) | Refugio | 1 | 9.05K | 35.9K | Jan 1993 – Dec 2008 |
| Kentucky-Fagan O-2-8909 | Anderson Oil Ltd. only | McFaddin (5400 Upper) | Refugio | 1 | 9K | 39.8K | Sep 2004 – Mar 2024 |
| Schirmer, et Al G-2-141294 | Christopher Oil & Gas Inc only | Bonnie View, South (7850) | Refugio | 1 | 8.94K | 169K | Jan 1993 – Oct 1993 |
| M. F. Lambert O-2-10362 | Hilcorp Energy Company only | Tom Oconnor (6600) | Refugio | 1 | 8.92K | 54.5K | Sep 2012 – Mar 2015 |
| Williams, Maude et al "A" O-2-8045 | Hilcorp Energy Company only | Lake Pasture (FS-536) | Refugio | 2 | 8.91K | 41.6K | Feb 1995 – Apr 2003 |
| O'Brien, J. J. O-2-8664 | Emerald Oil & Gas LC only | Refugio Old (5500) | Refugio | 2 | 8.91K | 2.68K | Apr 2001 – May 2004 |
| Roche "A" G-4-182469 | Finaly Resources LLC only | Encino (5650) | Refugio | 1 | 8.88K | 187K | Nov 2000 – Feb 2003 |
| 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 |
| Jacks et Al O-2-8742 | Neumin Production Company only | Big Jim (First Sinton) | Refugio | 1 | 8.77K | 8.35K | Jun 2002 – Nov 2004 |
| Houghton, J.F. O-2-8063 | Hyquest Energy, Inc. only | Bonnie View (4700) | Refugio | 1 | 8.71K | 21 | Feb 1995 – Mar 2004 |
| Lambert, M.F. O-2-12684 | Hilcorp Energy Company only | Tom O'Connor (5730, East) | Refugio | 1 | 8.69K | 17.2K | Apr 2023 – Apr 2026 |
| Braman -A- G-2-263065 | T-C Oil Company, LLC only | Braman (8500) | Refugio | 1 | 8.6K | 321K | Sep 2011 – Jan 2013 |
| Reilly, Annie et Vir O-2-8859 | Hilcorp Energy Company only | Tom Oconnor (6550) | Refugio | 1 | 8.59K | 79.8K | May 2004 – Feb 2007 |
| Heard G-2-244403 | Acock/Anaqua Operating Co., LP only | Refugio Heard (5700) | Refugio | 1 | 8.56K | 131K | Oct 2008 – Feb 2014 |
| Barber O-2-7735 | Fischer Operating Corporation only | Blanco Creek (5680) | Refugio | 1 | 8.43K | 2.78K | Jan 1993 – Jun 1994 |
| Roche, K. D. A O-2-8536 | Kovar Operating, LLC only | Roche (6200) | Refugio | 2 | 8.42K | 80.4K | Apr 2000 – Sep 2016 |
| O'Connor, Thomas "B" G-2-143511 | Quintana Pet. Corp. only | Mary Ellen O'Connor (8300) | Refugio | 1 | 8.42K | 108K | Jan 1993 – Jul 1993 |
| O'Connor O-2-11928 | T-C Oil Company, LLC only | McFaddin (5350) | Refugio | 1 | 8.39K | 17.5K | Feb 2020 – Feb 2023 |
| El Oso Cattle Co. O-2-4185 | Citation Oil & Gas Corp. only | Mary Ellen Oconnor (FS-96) | Refugio | 2 | 8.33K | 16.7K | Jun 1993 – Mar 1999 |
| O'Connor, Martin -D- O-2-9013 | T - C Oil Company only | Lower River Pasture (6300) | Refugio | 1 | 8.32K | 100K | Oct 2005 – Sep 2006 |
| O'Connor, Thomas "B" O-2-7841 | Hilcorp Energy Company only | Mary Ellen O'Connor (FS-70) | Refugio | 2 | 8.32K | 74.3K | Jan 1993 – May 1999 |
| Oconnor, Thomas -E- O-2-3661 | T-C Oil Company, LLC only | Tom Oconnor (5400 Sand) | Refugio | 13 | 8.27K | 5.96K | Jan 1993 – Sep 2010 |
| Shelton G-2-257928 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-660) | Refugio | 1 | 8.25K | 161K | Aug 2010 – Aug 2015 |
| M. F. Lambert O-2-9323 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 4 | 8.24K | 10.8K | May 2009 – Mar 2019 |
| O'Connor, Thomas O-2-8684 | Acock/Anaqua Operating Co., LC only | Greta (5800) | Refugio | 1 | 8.19K | 130K | Jan 2002 – Oct 2003 |
| Anderson, Mary Alice et al "A" O-2-10411 | Maran Oil Company, LLC only | Fagan (5650) | Refugio | 1 | 8.16K | 4.47K | Nov 2012 – Dec 2019 |
| Wood, L. Est 'C' O-2-8552 | Cummins & Walker Oil Co., Inc. only | Woodsboro (6500) | Refugio | 1 | 8.13K | 4.16K | Jul 2000 – Dec 2002 |
| Hartman, et Al O-2-7315 | Christopher Oil & Gas Inc only | Bonnie View, South (8000) | Refugio | 1 | 8.12K | 14.5K | Jan 1993 – Oct 1995 |
| Welder "G" G-2-163124 | Wiser Oil Company, The only | Phil Power (5550) | Refugio | 1 | 8.1K | 687K | Apr 1997 – Jul 2004 |
| JFB Heard - Htex #2H O-2-11833 | Greta Operating Company LLC only | Greta (4400) | Refugio | 1 | 8.07K | 6.04K | Sep 2019 – Jan 2026 |
| Kentucky-Fagan O-2-10494 | Anderson Oil Ltd. only | McFaddin (5500) | Refugio | 1 | 7.94K | 0 | Jul 2011 – Apr 2026 |
| Swyka G-2-170631 | C & E Operating, Inc. only | Peponi Ranch (Frio 4800) | Refugio | 1 | 7.93K | 1.76M | Sep 1998 – May 2011 |
| Heard, Ira -A- O-2-2870 | Quintana Pet. Corp. only | Tom Oconnor (5900 Sand) | Refugio | 2 | 7.93K | 37.8K | Jul 1994 – Apr 1998 |
| Williams, Maude Etal -A- O-2-12850 | Hilcorp Energy Company only | Lake Pasture (FT-562) | Refugio | 1 | 7.92K | 0 | Jun 2024 – Oct 2025 |
| W. J. Fox 'A' O-2-10431 | Hilcorp Energy Company only | Hynes Ranch (7160) | Refugio | 1 | 7.75K | 134K | Jan 2013 – Sep 2014 |
| Heard, Georgia O-2-3452 | Pace Production Co. only | Refugio-Fox (4800) | Refugio | 1 | 7.7K | 2.69K | Jan 1993 – Jun 1999 |
| Shay, Mary A. O-2-5094 | Mueller Engineering Corp. only | Phil Power (5200-B) | Refugio | 1 | 7.53K | 39 | Jan 1993 – Oct 1993 |
| Meoc-Mellon-State Unit G-2-300938 | T-C Oil Company, LLC only | Mary Ellen O'Connor (7750) | Refugio | 1 | 7.47K | 172K | Nov 2025 – Apr 2026 |
| Meoc-Mellon-State Unit G-2-297464 | T-C Oil Company, LLC only | Mary Ellen OCONNOR(8100) | Refugio | 1 | 7.46K | 395K | Jun 2024 – Apr 2026 |
| Collins, Pearl Swift G-2-168755 | Christopher Oil & Gas Inc only | Bonnie View (5200) | Refugio | 1 | 7.42K | 903K | May 1998 – Jan 2009 |
| Scanio/Shelton G-2-234544 | High Plains Gas Systems, Inc. only | Mission River (8400) | Refugio | 1 | 7.32K | 268K | Jan 2008 – Nov 2010 |