| Edinburg Improvement Assoc. #242-215-32029 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXTexan Gardens (5900) | PluggedGas | 9,500 | Jan 22, 2008 | — | — |
| Champion A. A. #642-427-34216 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXBorosa S. (FB W Frio 4330) | PluggedGas | 8,500 | Jan 7, 2008 | — | — |
| Chapotal Land Co. -a- #2442-427-31850 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXFrost (Villarreal -A-) | PluggedGas | 9,200 | Nov 20, 2007 | — | — |
| Montalvo N. R. #1142-427-31512 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXSun N. (D-X-G Seg. C) | PluggedGas | 6,800 | Oct 11, 2007 | — | — |
| University -6-48- #442-003-10040 | Kerr-McGee Oil & Gas Onshore LP | Andrews, TXHutex (Devonian) | PluggedOil | 11,000 | Jan 10, 2007 | — | — |
| Lasater Garland #242-047-31898 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXGyp Hill West (Frio 8000) | PluggedGas | 12,000 | Nov 17, 2006 | — | — |
| Chapotal Land Co. -B- #2542-427-33564 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXCortez North (BB) | PluggedGas | 5,100 | Oct 26, 2006 | — | — |
| Montalvo N. R. #1642-427-34029 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXSun North (6250) | PluggedOil | 8,000 | Aug 31, 2006 | — | — |
| White Estate -a- #1442-071-32219 | Kerr-McGee Oil & Gas Onshore LP | Chambers, TXWillow Slough (FB-B Hack-C) | PluggedGas | 13,630 | Aug 25, 2006 | — | — |
| Montalvo N. R. #1542-427-33402 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXSun North (F-3-D) | PluggedOil | 12,000 | May 5, 2006 | — | — |
| Cage Ranch 603 #442-047-31865 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXCage Ranch (7200) | PluggedGas | 8,500 | Mar 21, 2005 | — | — |
| Garza State #142-215-33277 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXJeffress (Vicksburg P) | PluggedGas | 11,000 | Dec 28, 2004 | — | — |
| Garza State #242-215-33283 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXFlores (Vicksburg Lower) | PluggedGas | 11,500 | Dec 10, 2004 | — | — |
| Hilgemeier Family Trust Gas Unit #142-241-30711 | Kerr-McGee Oil & Gas Onshore LP | Jasper, TXPatriot (3800) | PluggedGas | 8,900 | Aug 25, 2004 | — | — |
| BP America a-477 #142-241-30710 | Kerr-McGee Oil & Gas Onshore LP | Jasper, TXPatriot (3800) | PluggedGas | 5,600 | Aug 23, 2004 | — | — |
| Wilde #1HZ42-383-35212 | Kerr-McGee Oil & Gas Onshore LP | Reagan, TXReagan (Devonian) | PluggedGas | 12,500 | Jul 9, 2004 | — | — |
| Barrow Ranch #242-071-32267 | Kerr-McGee Oil & Gas Onshore LP | Chambers, TXBarrow Ranch (Hack A) | PluggedGas | 13,800 | Feb 20, 2004 | — | — |
| Swallow Unit #342-215-33143 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXEdinburg E. (Frio 6200) | PluggedGas | 7,500 | Sep 26, 2003 | — | — |
| Swallow Unit #242-215-33093 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXEdinburg E. (Frio 6200) | PluggedGas | 9,200 | Mar 25, 2003 | — | — |
| Degarcia-Champion Unit #142-427-33580 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXRincon (Vicksburg Cons.) | PluggedGas | 8,000 | Jan 28, 2003 | — | — |
| Cage Ranch #842-047-31973 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXCage Ranch NE. (8200) | PluggedGas | 10,000 | Dec 13, 2002 | — | — |
| Chapotal Land Co. -B- #2442-427-33472 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXLa Burrita Creek (Jackson) | PluggedGas | 4,800 | Apr 18, 2002 | — | — |
| Henderson #342-291-32418 | Kerr-McGee Oil & Gas Onshore LP | Liberty, TXFelicia S. (Yegua 10800) | PluggedOil | 13,000 | Dec 21, 2001 | — | — |
| Albrecht V. #1A42-175-33035 | Kerr-McGee Oil & Gas Onshore LP | Goliad, TXMarshall E. (Cook MOUNTAIN5460) | PluggedGas | 5,800 | Nov 15, 2001 | — | — |
| Trahan #142-291-32412 | Kerr-McGee Oil & Gas Onshore LP | Liberty, TXRaywood (E. Cook Mtn. 11 500) | PluggedGas | 13,000 | Oct 12, 2001 | — | — |
| Arco Fee Silsbee #442-199-32435 | Kerr-McGee Oil & Gas Onshore LP | Hardin, TXBuna West (Wilcox) | PluggedGas | 13,000 | Sep 13, 2001 | — | — |
| Watson #142-239-33128 | Kerr-McGee Oil & Gas Onshore LP | Jackson, TXMacaroni (Frio) | PluggedGas | 4,500 | May 14, 2001 | — | — |
| Saenz M. -State- #2342-427-31859 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXRincon North (Frio 4870) | PluggedGas | 6,700 | Feb 27, 2001 | — | — |
| Lasater Garland #7R42-047-31920 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXGyp Hill West (Frio 8000) | PluggedGas | 8,200 | Feb 7, 2001 | — | — |
| Lasater Garland #142-047-31888 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXGyp Hill West (Frio 8000) | PluggedGas | 9,800 | Dec 8, 2000 | — | — |
| Yturria #1C42-215-32763 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXFlores (Vicksburg Lower) | PluggedGas | 10,000 | Apr 18, 2000 | — | — |
| Gerald #742-239-33060 | Kerr-McGee Oil & Gas Onshore LP | Jackson, TXMorales (4260) | PluggedGas | 5,000 | Mar 15, 2000 | — | — |
| Champion A. A. #342-427-32229 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXFrost (Samano Sand FB-A) | PluggedGas | 7,000 | Jul 22, 1999 | — | — |
| Champion A. A. #5-C42-427-33161 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXFrost (Samano Sand FB-A) | PluggedGas | 6,300 | Apr 23, 1999 | — | — |
| Rupp N. #142-047-30841 | Kerr-McGee Oil & Gas Onshore LP | Brooks, TXFalfurrias (Rupp) | PluggedGas | 13,500 | Apr 16, 1999 | — | — |
| Lay #442-481-34084 | Kerr-McGee Oil & Gas Onshore LP | Wharton, TXJackwhar (Frio 3700) | PluggedGas | 5,000 | Oct 16, 1998 | — | — |
| Dougherty M. P. #760842-215-32567 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXFoy E. (6300) | PluggedGas | 9,000 | Jul 21, 1998 | — | — |
| Talley C. A. Jr. #1R42-175-33113 | Kerr-McGee Oil & Gas Onshore LP | Goliad, TXJobar (Yegua) | PluggedGas | 5,950 | Jul 20, 1998 | — | — |
| Walker P. et al #242-475-30600 | Kerr-McGee Oil & Gas Onshore LP | Ward, TXQuito East (Cherry Canyon) | PluggedOil | 9,000 | Oct 28, 1997 | — | — |
| State XU #542-475-34377 | Kerr-McGee Oil & Gas Onshore LP | Ward, TXBlock 17 Southeast (Delaware) | PluggedOil | 8,900 | Oct 13, 1997 | — | — |
| Anderson Unit #142-215-01041 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXEdinburg East (Anderson Upper) | PluggedGas | 8,500 | Jun 3, 1997 | — | — |
| Chadbourne Ranch 431 #1142-081-31741 | Kerr-McGee Oil & Gas Onshore LP | Coke, TXFort Chadbourne | PluggedOil | 6,000 | May 14, 1997 | — | — |
| Caroline #1 T42-215-32414 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXTexan Gardens (5900) | PluggedGas | 7,000 | Apr 9, 1997 | — | — |
| Trinity #142-215-32391 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXTexan Gardens (5900) | PluggedGas | 9,000 | Feb 11, 1997 | — | — |
| Mitchell A.F. #242-215-30072 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXFoy (6300) | PluggedGas | 6,700 | Dec 5, 1996 | — | — |
| Amyx #142-215-32350 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXTexan Gardens (5900) | PluggedGas | 9,000 | Oct 2, 1996 | — | — |
| Frey #1 T42-215-32345 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo, TXTexan Gardens (5900) | PluggedGas | 9,000 | Sep 20, 1996 | — | — |
| University -1829- #742-475-32711 | Kerr-McGee Oil & Gas Onshore LP | Ward, TXWar-Wink S. (Wolfcamp) | PluggedOil | 11,800 | Aug 19, 1996 | — | — |
| Chadbourne Ranch 431 -a- #2342-081-31719 | Kerr-McGee Oil & Gas Onshore LP | Coke, TXFort Chadbourne | PluggedOil | 6,000 | Jun 11, 1996 | — | — |
| Speer George H. St. B #2542-427-31916 | Kerr-McGee Oil & Gas Onshore LP | Starr, TXSun (F-2-A) | PluggedGas | 8,700 | Mar 13, 1996 | — | — |