| DKR #142-289-32140 | Decker Operating Co. L.L.C. | LeonWildcat | Shut inOil | 11,690 | Aug 7, 2014 | 1 | — |
| Chapman J. O. #133C42-355-33261 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Mid. Frio Cons.) | PluggedGas | 8,100 | Feb 16, 2012 | 3 | May 2015 |
| Chapman J.O. 38 #12642-355-33065 | Decker Operating Co. L.L.C. | NuecesMobil-David W. (Howell Hight) | PluggedGas | 13,500 | Nov 24, 2009 | 2 | Nov 2009 |
| Chapman J. O. #5342-355-30379 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Upper Frio Cons.) | Shut inOil | 8,000 | Jul 8, 2009 | 5 | Mar 2021 |
| Chapman Ranch a #12842-355-33101 | Decker Operating Co. L.L.C. | NuecesMobil-David (Howell Hight) | ActiveGas | 13,070 | Aug 18, 2006 | 3 | Sep 2025 |
| Chapman J.O. #13442-355-33306 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,525 | Jun 12, 2002 | 4 | May 2003 |
| Chapman Ranch #68042-355-33462 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,000 | May 28, 2002 | 1 | May 2005 |
| Champman J.O. #13642-355-33418 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Upper Frio Cons.) | PluggedOil | 7,040 | Mar 4, 2002 | 3 | Jan 2012 |
| Chapman Ranch #58042-355-33435 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 4,000 | Dec 10, 2001 | 1 | Mar 2005 |
| Chapman Ranch #48042-355-33436 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (L-23) | PluggedGas | 4,000 | Dec 10, 2001 | 1 | Apr 2003 |
| Chapman Ranch #380-C42-355-33345 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,500 | Apr 6, 2001 | 2 | Nov 2004 |
| Chapman J. O. #12042-355-30801 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 5,060 | Mar 2, 2001 | 2 | Oct 2004 |
| Chapman Ranch #18042-355-33145 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (2450) | PluggedGas | 3,800 | Jan 31, 2001 | 2 | Jun 2002 |
| Gaus-Janssen #142-255-31423 | Decker Operating Co. L.L.C. | KarnesRunge E. (Hackney) | PluggedGas | 11,000 | Nov 8, 2000 | 1 | Mar 2005 |
| Chapman J.O. #6842-355-30449 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Catahoula Cons.) | PluggedOil | 6,500 | Jul 13, 2000 | 4 | Dec 2015 |
| Chapman J.O. #6142-355-30428 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Catahoula Cons.) | PluggedOil | 7,000 | Jun 15, 2000 | 3 | Dec 2015 |
| Porche #342-239-33063 | Decker Operating Co. L.L.C. | JacksonBright Falcon (Yegua 9600) | ActiveGas | 10,060 | Apr 4, 2000 | 1 | Oct 2021 |
| Chapman J. O. #13142-355-33218 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 4,125 | Mar 22, 2000 | 1 | Dec 2012 |
| Chapman Ranch #17342-355-33136 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,500 | Feb 16, 2000 | 2 | May 2004 |
| Champman J.O. #8442-355-30502 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Upper Frio Cons.) | PluggedOil | 7,557 | Jan 20, 2000 | 5 | Jan 2012 |
| Chapman J. O. #130-T42-355-33203 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 5,000 | Dec 16, 1999 | 1 | Dec 2012 |
| Chapman Ranch #27442-355-33197 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,300 | Dec 3, 1999 | 1 | May 2004 |
| Chapman J.O. #4942-355-30387 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Catahoula Cons.) | PluggedOil | 7,745 | Nov 23, 1999 | 2 | Dec 2015 |
| Chapman Ranch #28042-355-33193 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,300 | Nov 23, 1999 | 1 | Apr 2007 |
| Chapman Ranch #87442-355-32923 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 4,700 | Nov 17, 1999 | 2 | Mar 2015 |
| Chapman J. O. #5542-355-30406 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,350 | Oct 28, 1999 | 1 | — |
| Chapman Ranch #17442-355-33167 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 3,400 | Sep 2, 1999 | 1 | Jun 2005 |
| Chapman Ranch #111642-355-33146 | Decker Operating Co. L.L.C. | NuecesChapman Ranch S. (Mass. 4700) | PluggedGas | 5,000 | Mar 19, 1999 | 1 | Jul 2002 |
| Chapman J. O. #38 F42-355-30044 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (4780) | PluggedOil | 6,500 | Apr 29, 1998 | 2 | Oct 2004 |
| Chapman J. O. #83WI42-355-30499 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C-18) | PluggedOil | 6,000 | Feb 18, 1998 | 2 | Apr 1993 |
| Chapman J.O. #12742-355-33064 | Decker Operating Co. L.L.C. | NuecesMobil-David SW. (Howell Hight) | PluggedGas | 12,900 | Jan 21, 1997 | 1 | Dec 2012 |
| Chapman J. O. #12342-355-31476 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 10,850 | Jan 4, 1996 | 6 | Jun 2011 |
| Chapman Ranch 73 #142-355-33020 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 4,800 | Nov 30, 1995 | 2 | Aug 2012 |
| Chapman J. O. #89 H42-355-30517 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 7,750 | Apr 26, 1995 | 1 | Mar 2017 |
| Chapman Ranch #23742-355-03231 | Decker Operating Co. L.L.C. | NuecesChapman Ranch E. (Davis) | PluggedOil | 4,566 | May 5, 1993 | 1 | Jul 2004 |
| Chapman Ranch #33742-355-03230 | Decker Operating Co. L.L.C. | NuecesChapman Ranch E. (Davis) | PluggedOil | 4,564 | Apr 30, 1993 | 1 | Jul 2004 |
| Chapman J. O. #3142-355-06426 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C- 3) | PluggedOil | 13,193 | Aug 6, 1987 | 2 | Oct 2006 |
| Chapman J. O. #8542-355-30508 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C- 3) | PluggedOil | 10,343 | May 28, 1987 | 3 | Oct 2006 |
| Chapman J.O. #94WD42-355-30524 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Catahoula Cons.) | PluggedOil | 7,995 | Feb 7, 1986 | 1 | Dec 2015 |
| Chapman J.O. #6642-355-30465 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Miocene Cons.) | PluggedGas | 7,400 | Nov 25, 1985 | 1 | Jan 2003 |
| Chapman Ranch #63742-355-03234 | Decker Operating Co. L.L.C. | NuecesChapman Ranch E. (Davis) | PluggedOil | 4,613 | Oct 23, 1985 | 1 | Jul 2004 |
| Chapman J. O. #12242-355-31448 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C-18) | PluggedOil | 6,050 | Mar 5, 1984 | 4 | Apr 1993 |
| Chapman J. O. #2942-355-05889 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C- 3) | PluggedOil | 4,711 | Aug 12, 1977 | 1 | Oct 2006 |
| Murchison-Wofford #242-213-00194 | Decker Operating Co. L.L.C. | HendersonLa Rue | PluggedOil | — | — | 0 | — |
| Chapman Ranch #53742-355-03552 | Decker Operating Co. L.L.C. | NuecesChapman Ranch E. (Davis) | PluggedOil | — | — | 0 | — |
| Chapman J. O. #1842-355-03563 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (4200) | PluggedOil | — | — | 0 | — |
| Chapman J.O. #2142-355-03565 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (Catahoula Cons.) | PluggedOil | — | — | 0 | — |
| Chapman J. O. #4842-355-30369 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (C- 5) | PluggedOil | — | — | 0 | — |
| Chapman J. O. #51WD42-355-30403 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (5700) | PluggedOil | — | — | 0 | — |
| Chapman J. O. #6242-355-30427 | Decker Operating Co. L.L.C. | NuecesChapman Ranch (5700) | PluggedOil | — | — | 0 | — |