| Shelton, F. Ben et Al O-2-6733 | Paloma Operating, LLC only | Woodsboro (FT-8 Sand) | Refugio | 2 | 117K | 712 | Jan 1993 – Jan 2022 |
| Shelton, Ben O-2-8558 | Digital Operating Company LLC only | Refugio-Fox (6400) | Refugio | 1 | 112K | 105K | Aug 2000 – Jun 2020 |
| Shelton G-2-208006 | Neumin Production Company only | Refugio-Fox (5500) | Refugio | 1 | 78.4K | 144K | Dec 2004 – Oct 2009 |
| Shelton, F. Ben et Al O-2-12490 | Paloma Operating, LLC only | Woodsboro (FS-88) | Refugio | 1 | 55.5K | 18.2K | Feb 2022 – Apr 2026 |
| Shelton O-2-8996 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-738-W) | Refugio | 1 | 52K | 51.6K | Oct 2005 – Mar 2011 |
| Shelton, J. Isabella -C- O-2-1080 | High Plains Gas Systems, Inc. only | Mission River | Refugio | 1 | 40.1K | 10.4K | Jan 1993 – Jun 2004 |
| Scanio/Shelton O-2-8976 | High Plains Gas Systems, Inc. only | Mission River (6000) | Refugio | 1 | 32.5K | 27.7K | Feb 2005 – Sep 2015 |
| Scanio/Shelton G-2-241967 | High Plains Gas Systems, Inc. only | Mission River (8300 Vksbg) | Refugio | 1 | 30.2K | 611K | Aug 2008 – Dec 2014 |
| Scanio Shelton O-2-8937 | Acock/Anaqua Operating Co., LP only | Mission River | Refugio | 1 | 24.4K | 98.4K | Jan 2005 – Apr 2009 |
| Shelton G-2-233811 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-690) | Refugio | 1 | 24K | 949K | Jan 2008 – May 2015 |
| Scanio/Shelton G-2-212390 | Acock/Anaqua Operating Co., LP only | Mission River | Refugio | 1 | 20.4K | 196K | Apr 2005 – Apr 2015 |
| Scanio Shelton G-2-252998 | Paloma Operating, LLC only | Mission River (6100) | Refugio | 1 | 18.7K | 57.8K | May 2009 – Jun 2023 |
| Scanio Shelton O-2-9224 | Acock/Anaqua Operating Co., LP only | Mission River (6400) | Refugio | 1 | 17.8K | 32.8K | Apr 2008 – Feb 2015 |
| Scanio / Shelton G-2-223050 | High Plains Gas Systems, Inc. only | Mission River (8300 Vksbg) | Refugio | 1 | 13.7K | 874K | Mar 2006 – Nov 2010 |
| Shelton G-2-257928 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-660) | Refugio | 1 | 8.25K | 161K | Aug 2010 – Aug 2015 |
| Scanio/Shelton G-2-234544 | High Plains Gas Systems, Inc. only | Mission River (8400) | Refugio | 1 | 7.32K | 268K | Jan 2008 – Nov 2010 |
| Shelton O-2-10228 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-730) | Refugio | 1 | 7.3K | 8.02K | Mar 2012 – Sep 2015 |
| Scanio/Shelton G-2-221611 | High Plains Gas Systems, Inc. only | Mission River (8400) | Refugio | 1 | 6.3K | 210K | Aug 2006 – Feb 2008 |
| Shelton O-2-9368 | Hilcorp Energy Company only | Hynes Ranch (6800) | Refugio | 2 | 6.19K | 59K | Jan 2010 – Jul 2016 |
| Scanio-Shelton G-2-205677 | Acock/Anaqua Operating Co., LP only | Mission River (6300) | Refugio | 1 | 6.07K | 245K | Nov 2004 – Feb 2015 |
| Shelton O-2-9099 | Hilcorp Energy Company only | Hynes Ranch (5950 Sand) | Refugio | 1 | 5.47K | 6.49K | Nov 2006 – Jul 2011 |
| Scanio-Shelton O-2-11261 | Paloma Operating, LLC only | Mission River (6300) | Refugio | 1 | 5.08K | 0 | Apr 2015 – Jul 2023 |
| Scanio/Shelton G-2-243787 | High Plains Gas Systems, Inc. only | Mission River (7200) | Refugio | 1 | 4.33K | 65.2K | Jun 2008 – Jun 2015 |
| Scanio/Shelton G-2-205433 | High Plains Gas Systems, Inc. only | Mission River (6300) | Refugio | 1 | 3.91K | 135K | Aug 2004 – Oct 2006 |
| Scanio/Shelton G-2-250577 | Paloma Operating, LLC only | Mission River (8400) | Refugio | 1 | 3.82K | 72.5K | Aug 2008 – Feb 2020 |
| Shelton G-2-231501 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-740) | Refugio | 1 | 2.86K | 399K | Jul 2007 – May 2012 |
| Scanio/Shelton G-2-207036 | High Plains Gas Systems, Inc. only | Mission River (6200) | Refugio | 1 | 2.5K | 136K | Jun 2004 – Dec 2008 |
| Scanio/Shelton O-2-8927 | High Plains Gas Systems, Inc. only | Mission River (6400) | Refugio | 1 | 2.3K | 21.6K | Aug 2004 – Aug 2006 |
| Scanio/Shelton G-2-208522 | Paloma Operating, LLC only | Mission River (5800) | Refugio | 1 | 2.29K | 65.9K | Jul 2004 – Mar 2020 |
| Shelton O-2-9338 | Hilcorp Energy Company only | Hynes Ranch (7160) | Refugio | 2 | 2.26K | 2.69K | Sep 2009 – Jan 2011 |
| Scanio/Shelton G-2-220643 | Mantle Oil & Gas, LLC only | Mission River (6400) | Refugio | 1 | 2.13K | 17.8K | Sep 2006 – Apr 2009 |
| Scanio-Shelton O-2-11012 | High Plains Gas Systems, Inc. only | Mission River (5800) | Refugio | 1 | 1.51K | 0 | Nov 2013 – Sep 2015 |
| Scanio Shelton G-2-230611 | Acock/Anaqua Operating Co., LP only | Mission River (6400) | Refugio | 1 | 1.38K | 121K | Dec 2006 – Mar 2008 |
| Shelton G-2-261546 | Kebo Oil & Gas, Inc. only | Lake Pasture (FT-680-W) | Refugio | 1 | 1.07K | 7.48K | Mar 2011 – Nov 2011 |
| Scanio/Shelton G-2-226852 | High Plains Gas Systems, Inc. only | Mission River (5800) | Refugio | 1 | 780 | 195K | Dec 2006 – Nov 2009 |
| Scanio/Shelton G-2-205432 | High Plains Gas Systems, Inc. only | Mission River (6300) | Refugio | 1 | 674 | 75.7K | Aug 2004 – Jun 2009 |
| Shelton, F. B. G-2-162263 | Lundberg Operating Corporation only | Mission River (5300) | Refugio | 1 | 639 | 77.7K | Feb 1997 – Mar 1998 |
| Scanio Shelton G-2-222184 | Paloma Operating, LLC only | Mission River (6400) | Refugio | 1 | 593 | 91.9K | Mar 2006 – Feb 2011 |
| Scanio Shelton G-2-224805 | Acock/Anaqua Operating Co., LP only | Mission River (6200) | Refugio | 1 | 567 | 60.1K | Nov 2006 – Feb 2009 |
| Scanio/Shelton G-2-207859 | High Plains Gas Systems, Inc. only | Mission River (6400) | Refugio | 1 | 565 | 37.4K | Jul 2004 – Jul 2006 |
| Shelton, F. B. G-2-153891 | Lundberg Operating Corporation only | Mission River (5800) | Refugio | 1 | 543 | 118K | Dec 1994 – Jan 1997 |
| Scanio/Shelton G-2-234536 | High Plains Gas Systems, Inc. only | Mission River (4200) | Refugio | 1 | 404 | 2.02K | Jul 2006 – Mar 2008 |
| Shelton, N. G-2-192648 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (5200) | Refugio | 1 | 272 | 216K | Dec 2002 – Jul 2004 |
| Scanio/Shelton O-2-9524 | High Plains Gas Systems, Inc. only | Mission River (5300) | Refugio | 1 | 257 | 0 | Sep 2013 – Aug 2014 |
| Shelton, F. B. G-2-104870 | Lundberg Operating Corporation only | Mission River (6200) | Refugio | 1 | 247 | 62.3K | Jan 1993 – Dec 1994 |
| Shelton G-2-252950 | Kebo Oil & Gas, Inc. only | Lake Pasture (E-264) | Refugio | 1 | 240 | 475K | Aug 2009 – Mar 2014 |
| Shelton O-2-9437 | Hilcorp Energy Company only | Hynes Ranch (5800 Sand) | Refugio | 1 | 213 | 9.4K | May 2010 – Oct 2010 |
| Scanio/ Shelton G-2-254386 | High Plains Gas Systems, Inc. only | Mission River (8200) | Refugio | 1 | 202 | 17K | Aug 2007 – Feb 2008 |
| Scanio/Shelton O-2-11295 | Paloma Operating, LLC only | Mission River | Refugio | 2 | 106 | 0 | May 2015 – May 2015 |
| Shelton, J. Isabella -D- O-2-1081 | Beckham Resources, Inc. only | Mission River | Refugio | 1 | 101 | 83 | Jan 1993 – Jun 2001 |