| Harrison O-3-25480 | Slawson Exploration Company, Inc | Angleton, South (12,100 Frio) | Brazoria | 1 | 106K | 638K | Dec 2009 – Dec 2014 |
| Harrison O-3-25180 | Slawson Exploration Company, Inc | Angleton, South (12,600) | Brazoria | 1 | 85K | 378K | May 2008 – Nov 2009 |
| Shaeffer Ranch -A- O-4-4407 | Slawson Exploration Company, Inc | Rowena, North (Hockley) | Jim Wells | 8 | 41.5K | 1.72M | Jan 1993 – Sep 1995 |
| Harrison Partners O-3-25732 | Slawson Exploration Company, Inc | Angleton, South (12,600) | Brazoria | 1 | 23.2K | 196K | May 2011 – Jun 2014 |
| Freeborn-Puma G-4-169535 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 21.5K | 1.74M | Jul 1998 – Sep 2010 |
| Freeborn-Floyd O-2-8375 | Slawson Exploration Company, Inc | Ramirena, SW. (Sec. B, a Sand) | Jim Wells | 1 | 15.2K | 42.8K | Jun 1998 – Dec 2000 |
| Akers O-14-9314 | Slawson Exploration Company, Inc | Lipscomb (Cleveland) | Lipscomb | 2 | 12.5K | 15.2K | Mar 2014 – Nov 2019 |
| Shaeffer Ranch O-4-12419 | Slawson Exploration Company, Inc | Amargosa (6000 Sand) | Jim Wells | 1 | 9.71K | 5.09K | Dec 1994 – Apr 1998 |
| Stranger-Moody G-3-219037 | Slawson Exploration Company, Inc | Old Ocean, East (10500) | Brazoria | 1 | 8.93K | 1.18M | Sep 2006 – Jan 2011 |
| Murphy O-1-16123 | Slawson Exploration Company, Inc | Cherokee (Eagle Ford) | Milam | 1 | 6.58K | 0 | Feb 2012 – Jan 2018 |
| 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 |
| Woodson, Blanca O-4-13274 | Slawson Exploration Company, Inc | White Point, East (9100) | San Patricio | 1 | 4.21K | 14.3K | Nov 2004 – Jul 2005 |
| 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 |
| Shaeffer Ranch O-4-12337 | Slawson Exploration Company, Inc | Amargosa (6100 Sd.) | Jim Wells | 1 | 3.65K | 4.69K | Apr 1994 – 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 |
| Sioux-Adams O-4-13123 | Slawson Exploration Company, Inc | Alfred (4400) | Jim Wells | 1 | 2.46K | 6.91K | Dec 2002 – Oct 2003 |
| Freeborn-Lagarto G-4-167386 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 2.1K | 313K | May 1998 – Dec 2004 |
| Wilkerson O-1-17999 | Slawson Exploration Company, Inc | Cherokee (Navarro) | Milam | 1 | 2K | 12.3K | Apr 2014 – Feb 2018 |
| 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 -L- O-4-9111 | Slawson Exploration Company, Inc | Lagarto Pasture (5400) | Jim Wells | 1 | 1.39K | 43.3K | Jan 1993 – Nov 1998 |
| 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 |
| Freeborn-Ashley O-4-13261 | Slawson Exploration Company, Inc | Rowena (Hockley) | Jim Wells | 1 | 451 | 5.97K | Aug 2004 – Sep 2006 |
| 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 O-2-8599 | Slawson Exploration Company, Inc | Ramirena, SW. (Frio -N-) | Jim Wells | 1 | 31 | 7.11K | Jan 2001 – Aug 2001 |
| 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 |