| Freeborn-Puma G-4-169535 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 21.5K | 1.74M | Jul 1998 – Sep 2010 |
| Stranger-Moody G-3-219037 | Slawson Exploration Company, Inc | Old Ocean, East (10500) | Brazoria | 1 | 8.93K | 1.18M | Sep 2006 – Jan 2011 |
| Crowell G-3-233353 | Slawson Exploration Company, Inc | Old Ocean, NE. (10800) | Brazoria | 1 | 6.08K | 1.16M | Nov 2007 – May 2015 |
| Harrison G-3-230867 | Slawson Exploration Company, Inc | Angleton, South (12,100 Frio) | Brazoria | 1 | 5.87K | 117K | Jul 2007 – Mar 2009 |
| Shaeffer Ranch -A- G-4-156117 | Slawson Exploration Company, Inc | Rowena, North (Hockley) | Jim Wells | 1 | 4.71K | 681K | Oct 1995 – Sep 2002 |
| Freeborn-Ashley G-4-164611 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 4.18K | 180K | Sep 1997 – Jun 2012 |
| McCarthy G-3-232253 | Slawson Exploration Company, Inc | Old Ocean, East (10500) | Brazoria | 1 | 3.83K | 439K | Aug 2007 – May 2010 |
| Freeborn-Ashley G-4-160977 | Slawson Exploration Company, Inc | Rowena (Frio 4150) | Jim Wells | 1 | 3.39K | 547K | Dec 1996 – Jan 2013 |
| Freeborn-Puma G-4-167380 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 3.34K | 245K | Apr 1998 – Aug 2000 |
| Stanger G-3-233771 | Slawson Exploration Company, Inc | Old Ocean, NE. (10800) | Brazoria | 1 | 2.75K | 386K | Dec 2007 – Apr 2009 |
| Freeborn-Lynx G-4-170835 | Slawson Exploration Company, Inc | Romero Trap (Pettus Gas) | Jim Wells | 1 | 2.69K | 263K | Sep 1998 – Aug 2000 |
| Freeborn-Ashley G-4-157388 | Slawson Exploration Company, Inc | Rowena (Frio 4150) | Jim Wells | 1 | 2.56K | 326K | Jan 1996 – Sep 1998 |
| Shaeffer Ranch G-4-169695 | Slawson Exploration Company, Inc | Amargosa (6000 Sand) | Jim Wells | 1 | 2.47K | 153K | May 1998 – May 2010 |
| Freeborn-Lagarto G-4-167386 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 2.1K | 313K | May 1998 – Dec 2004 |
| Stanger, D. G-3-258508 | Slawson Exploration Company, Inc | Old Ocean, East (10500) | Brazoria | 1 | 1.62K | 251K | May 2010 – May 2012 |
| Adams, Sioux G-4-199087 | Slawson Exploration Company, Inc | Alfred, Deep (4500) | Jim Wells | 1 | 1.41K | 7.87K | Nov 2003 – May 2004 |
| Shaeffer Ranch G-4-159329 | Slawson Exploration Company, Inc | Lagarto Pasture (4770) | Jim Wells | 1 | 1.28K | 500K | May 1996 – Nov 2001 |
| Stanger G-3-227994 | Slawson Exploration Company, Inc | Old Ocean, East (10500) | Brazoria | 1 | 1.17K | 174K | Jun 2007 – Nov 2007 |
| Scott G-3-248941 | Slawson Exploration Company, Inc | Angleton, South (12,600) | Brazoria | 1 | 868 | 66.5K | Jul 2007 – Aug 2008 |
| Sioux-Adams G-4-178011 | Slawson Exploration Company, Inc | Alfred, West (Yegua 13) | Jim Wells | 1 | 832 | 45.5K | Apr 2000 – Oct 2002 |
| Stanger, D. G-3-242143 | Slawson Exploration Company, Inc | Old Ocean E (F-20) | Brazoria | 1 | 767 | 345K | Nov 2007 – Apr 2010 |
| PSL G-14-152873 | Slawson Exploration Company, Inc | Morgan (Morrow Lower) | Lipscomb | 1 | 620 | 1.87M | Dec 1994 – Jan 2013 |
| Akers G-14-150456 | Slawson Exploration Company, Inc | Morgan (Morrow Lower) | Lipscomb | 1 | 474 | 794K | Jun 1994 – Apr 2012 |
| Adams, Margaret G-4-167370 | Slawson Exploration Company, Inc | Alfred (4400) | Jim Wells | 1 | 444 | 19.7K | Feb 1998 – Jun 1998 |
| Shaeffer Ranch -A- G-4-152735 | Slawson Exploration Company, Inc | Rowena, North (Hockley) | Jim Wells | 1 | 396 | 237K | Jan 1995 – Sep 1996 |
| Akers G-14-163398 | Slawson Exploration Company, Inc | Morgan (Morrow Lower) | Lipscomb | 1 | 251 | 346K | Dec 1996 – Nov 2014 |
| Freeborn-Rowena G-4-167375 | Slawson Exploration Company, Inc | Rowena (Hockley) | Jim Wells | 1 | 219 | 22.1K | May 1998 – Jul 1998 |
| Stendebach (WI) G-4-178951 | Slawson Exploration Company, Inc | Wade City (3025) | Jim Wells | 1 | 190 | 389K | Aug 2000 – Feb 2008 |
| Freeborn-Rowena G-4-171024 | Slawson Exploration Company, Inc | Rowena (Frio 4150) | Jim Wells | 1 | 165 | 20K | Sep 1998 – Sep 1999 |
| Akers G-14-136553 | Slawson Exploration Company, Inc | Magoun, S. (Morrow Lower) | Lipscomb | 1 | 111 | 1.24M | Jan 1993 – Jul 2013 |
| Freeborn-Cougar G-4-170328 | Slawson Exploration Company, Inc | Amargosa (2700) | Jim Wells | 1 | 74 | 194K | Oct 1998 – Dec 2010 |
| Floerke, Papagayo G-4-191860 | Slawson Exploration Company, Inc | Midway (2200) | San Patricio | 1 | 47 | 254K | Mar 2003 – Apr 2010 |
| Iroquois-Scott G-4-176885 | Slawson Exploration Company, Inc | Wade City (4700) | Jim Wells | 1 | 31 | 21.9K | Apr 2000 – Dec 2000 |
| Freeborn-Floyd G-2-190390 | Slawson Exploration Company, Inc | Ramirena, SW. (Frio -N-) | Jim Wells | 1 | 30 | 25.2K | Aug 2001 – Mar 2005 |
| Aquila-Svadlenak G-4-211179 | Slawson Exploration Company, Inc | White Point, East (2070) | San Patricio | 1 | 24 | 1.89K | Jun 2005 – Sep 2005 |
| Stendebach (WI) G-4-255631 | Slawson Exploration Company, Inc | Wade City (2600) | Jim Wells | 1 | 4 | 14.4K | Feb 2010 – Oct 2010 |
| Rosson, Vibora G-4-211442 | Slawson Exploration Company, Inc | White Point, East (2250) | San Patricio | 1 | 4 | 317K | May 2005 – May 2010 |
| Vibora Rosson G-4-191800 | Slawson Exploration Company, Inc | White Point, East (2400) | San Patricio | 1 | 3 | 324K | Jan 2003 – Aug 2007 |
| Apache-Kelley G-4-175115 | Slawson Exploration Company, Inc | Alfred, West (Het 2500) | Jim Wells | 1 | 3 | 154K | Oct 1999 – May 2002 |
| Kickapoo-Shanks G-4-183715 | Slawson Exploration Company, Inc | Reynolds Ranch (Het Third) | Jim Wells | 1 | 1 | 19.8K | Sep 2001 – Apr 2002 |
| Floerke G-4-245453 | Slawson Exploration Company, Inc | Midway (2700) | San Patricio | 1 | 1 | 102K | Jan 2009 – Jan 2014 |
| Freeborn-Floyd G-4-165422 | Slawson Exploration Company, Inc | Rowena (2370) | Jim Wells | 1 | 1 | 48.3K | Apr 1998 – Feb 1999 |
| Freeborn-Floyd G-4-164051 | Slawson Exploration Company, Inc | Rowena (2370) | Jim Wells | 1 | 1 | 309K | Oct 1997 – Aug 1999 |
| Stendebach (WI) G-4-182853 | Slawson Exploration Company, Inc | Wade City (2050) | Jim Wells | 1 | 1 | 289K | Apr 2001 – Feb 2008 |
| Stendebach (WI) G-4-258118 | Slawson Exploration Company, Inc | Wade City (2050) | Jim Wells | 1 | 0 | 0 | — |
| Stanger Moody G-3-260158 | Slawson Exploration Company, Inc | Old Ocean E (F-20) | Brazoria | 1 | 0 | 0 | — |
| Woods G-3-265326 | Slawson Exploration Company, Inc | Wildcat | Burleson | 1 | 0 | 0 | — |
| Shaeffer Ranch -A- G-4-62845 | Slawson Exploration Company, Inc | Rowena, North (Marginulina) | Jim Wells | 1 | 0 | 0 | — |
| Campbell, J. Estate G-4-145940 | Slawson Exploration Company, Inc | Midway (2750) | San Patricio | 1 | 0 | 35.6K | Jul 1993 – Feb 1996 |
| Shaeffer Ranch G-4-146262 | Slawson Exploration Company, Inc | Rowena (4150) | Jim Wells | 1 | 0 | 120K | Jul 1993 – Feb 2004 |