| RMT a #242-505-35273 | Chesapeake Operating Inc. | Zapata, TXZapata SE. (Wilcox) | PluggedGas | 12,000 | May 3, 2005 | — | — |
| Yellow Drake Woody #1HHZ42-367-33711 | Chesapeake Operating Inc. | Parker, TXNewark East (Barnett Shale) | PluggedGas | 6,800 | May 2, 2005 | — | — |
| Villerreal Olegario #142-505-35268 | Chesapeake Operating Inc. | Zapata, TXWildcat | PluggedGas | 14,000 | Apr 25, 2005 | — | — |
| Dickerson #142-215-33330 | Chesapeake Operating Inc. | Hidalgo, TXLa Reforma (C-1) | PluggedGas | 8,000 | Apr 7, 2005 | — | — |
| Flores Carmen #142-505-35251 | Chesapeake Operating Inc. | Zapata, TXExsun (Lobo Cons.) | PluggedGas | 13,000 | Apr 4, 2005 | — | — |
| Martin #5HZ42-251-30369 | Chesapeake Operating Inc. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 10,000 | Apr 1, 2005 | — | — |
| University 20-16 #142-301-31224 | Chesapeake Operating Inc. | Loving, TXWildcat | PluggedGas | 20,000 | Mar 31, 2005 | — | — |
| Vela L. G. #442-505-35236 | Chesapeake Operating Inc. | Zapata, TXHaynes (Middle Wilcox Cons.) | PluggedGas | 14,000 | Mar 14, 2005 | — | — |
| Halsell #142-237-38850 | Chesapeake Operating Inc. | Jack, TXNewark East (Barnett Shale) | PluggedOil | 5,900 | Feb 11, 2005 | — | — |
| South Cleburne SWD #142-251-30299 | Chesapeake Operating Inc. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 10,952 | Dec 20, 2004 | — | — |
| Callaghan Ranch #1842-479-30812 | Chesapeake Operating Inc. | Webb, TXFinley-Webb (Upper Cons) | PluggedGas | 6,650 | Dec 15, 2004 | — | — |
| Callaghan Ranch #2342-479-30918 | Chesapeake Operating Inc. | Webb, TXFinley-Webb (Lobo Cons) | PluggedGas | 6,668 | Dec 15, 2004 | — | — |
| Callaghan Ranch #4242-479-31186 | Chesapeake Operating Inc. | Webb, TXFinley-Webb (Upper Cons) | PluggedGas | 6,100 | Dec 15, 2004 | — | — |
| Alexander a #242-505-35151 | Chesapeake Operating Inc. | Zapata, TXWildcat | PluggedGas | 11,500 | Nov 29, 2004 | — | — |
| Perez a #142-505-35124 | Chesapeake Operating Inc. | Zapata, TXCisco-Benavides (Lobo Cons.) | PluggedGas | 11,500 | Oct 29, 2004 | — | — |
| Juan de Dios #242-505-35095 | Chesapeake Operating Inc. | Zapata, TXExsun (Lobo Cons.) | PluggedGas | 15,000 | Sep 8, 2004 | — | — |
| Normadon Gas Unit #142-175-33654 | Chesapeake Operating Inc. | Goliad, TXBig Oak (Wilcox 10500) | PluggedGas | 11,700 | Sep 2, 2004 | — | — |
| Wasilchak #1 HHZ42-251-30230 | Chesapeake Operating Inc. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 10,000 | Aug 2, 2004 | — | — |
| Tijerina H. C. de #9042-249-30122 | Chesapeake Operating Inc. | Jim Wells, TXT.-C.-B. ( 7000 Charles) | PluggedGas | 7,550 | Jul 30, 2004 | — | — |
| Terry #142-181-31384 | Chesapeake Operating Inc. | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 13,000 | Jul 20, 2004 | — | — |
| Waterfield -15- #15 A42-211-31599 | Chesapeake Operating Inc. | Hemphill, TXWaterfield (Morrow Upper) | PluggedGas | 15,000 | Jun 18, 2004 | — | — |
| Flores Ruben Minerals #242-505-34967 | Chesapeake Operating Inc. | Zapata, TXExsun (Lobo Cons.) | PluggedGas | 12,500 | May 14, 2004 | — | — |
| Manuel Labor #142-251-30175 | Chesapeake Operating Inc. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 8,000 | Mar 15, 2004 | — | — |
| Miller 2 #842-483-31678 | Chesapeake Operating Inc. | Wheeler, TXStiles Ranch (Granite Wash Cons) | PluggedGas | 14,000 | Mar 10, 2004 | — | — |
| Alexander #102342-483-31675 | Chesapeake Operating Inc. | Wheeler, TXStiles Ranch (Granite Wash Cons) | PluggedGas | 14,000 | Mar 3, 2004 | — | — |
| Sorenson #442-295-30913 | Chesapeake Operating Inc. | Lipscomb, TXKiowa Creek N.(morrow Up.) | PluggedOil | 9,500 | Feb 11, 2004 | — | — |
| Bell W. T. Gas Unit #142-123-31966 | Chesapeake Operating Inc. | De Witt, TXJennie Bell (Wilcox 11500) | PluggedGas | 14,000 | Jan 7, 2004 | — | — |
| Fields Anita #142-501-02344 | Chesapeake Operating Inc. | Yoakum, TXWildcat | PluggedOil | 11,773 | Dec 30, 2003 | — | — |
| Miller #60242-483-31654 | Chesapeake Operating Inc. | Wheeler, TXStiles Ranch (Granite Wash Cons) | PluggedGas | 14,000 | Dec 1, 2003 | — | — |
| HGT Gas Unit #242-347-31658 | Chesapeake Operating Inc. | Nacogdoches, TXNaconiche Creek (Rod.-TP Cons.) | PluggedGas | 13,500 | Nov 20, 2003 | — | — |
| Smith R #142-251-30148 | Chesapeake Operating Inc. | Johnson, TXCleburne (Barnett Shale) | PluggedGas | 8,000 | Nov 4, 2003 | — | — |
| Kickendahl #1R42-175-33581 | Chesapeake Operating Inc. | Goliad, TXMarshall (Middle Wilcox) | PluggedGas | 13,000 | Sep 30, 2003 | — | — |
| Riedel #242-123-31947 | Chesapeake Operating Inc. | De Witt, TXWendling (Wilcox 12850) | PluggedGas | 14,000 | Sep 19, 2003 | — | — |
| Lightfoot #142-251-30143 | Chesapeake Operating Inc. | Johnson, TXCleburne (Barnett Shale) | PluggedGas | 8,000 | Sep 9, 2003 | — | — |
| Terry C. J. #442-105-39097 | Chesapeake Operating Inc. | Crockett, TXTripoli (Ellen) | PluggedOil | 8,400 | Aug 21, 2003 | — | — |
| Parnell #142-251-30140 | Chesapeake Operating Inc. | Johnson, TXCleburne (Barnett Shale) | PluggedGas | 8,000 | Aug 21, 2003 | — | — |
| Coon R. S. #152142-341-32870 | Chesapeake Operating Inc. | Moore, TXPanhandle West (Red Cave) | PluggedGas | 2,600 | Jul 23, 2003 | — | — |
| Coon R.S. #193142-341-32871 | Chesapeake Operating Inc. | Moore, TXPanhandle West (Red Cave) | PluggedGas | 2,650 | Jul 23, 2003 | — | — |
| HGT Gas Unit #142-347-31832 | Chesapeake Operating Inc. | Nacogdoches, TXNaconiche Creek (Rod.-TP Cons.) | PluggedGas | 10,000 | Jul 21, 2003 | — | — |
| Boren #842-371-37298 | Chesapeake Operating Inc. | Pecos, TXLehn-Apco (1600) | PluggedOil | 2,000 | Jul 1, 2003 | — | — |
| Hartman Gas Unit #142-175-33539 | Chesapeake Operating Inc. | Goliad, TXWildcat | PluggedGas | 12,000 | Jun 20, 2003 | — | — |
| Godley E. #142-251-30131 | Chesapeake Operating Inc. | Johnson, TXCleburne (Barnett Shale) | PluggedGas | 8,000 | Jun 12, 2003 | — | — |
| Bethany #142-251-30132 | Chesapeake Operating Inc. | Johnson, TXCleburne (Barnett Shale) | PluggedGas | 8,000 | Jun 5, 2003 | — | — |
| Albrecht Heirs #142-175-33520 | Chesapeake Operating Inc. | Goliad, TXWildcat | PluggedGas | 12,000 | May 15, 2003 | — | — |
| Cavazos #542-505-34711 | Chesapeake Operating Inc. | Zapata, TXEN Seguido (Wilcox) | PluggedGas | 14,000 | Apr 11, 2003 | — | — |
| Riedel #142-123-31936 | Chesapeake Operating Inc. | De Witt, TXWendling (Wilcox 11200) | PluggedGas | 15,000 | Apr 2, 2003 | — | — |
| Hancock Gas Unit #242-347-31804 | Chesapeake Operating Inc. | Nacogdoches, TXNaconiche Creek (Rod.-TP Cons.) | PluggedGas | 9,100 | Feb 28, 2003 | — | — |
| Rush Snyder #150142-211-31530 | Chesapeake Operating Inc. | Hemphill, TXEllis Ranch (Tonkawa) | PluggedGas | 11,000 | Feb 12, 2003 | — | — |
| Zamora-Vela #242-215-33069 | Chesapeake Operating Inc. | Hidalgo, TXPuerto Rico (Vicksburg) | PluggedGas | 9,800 | Jan 27, 2003 | — | — |
| Jennings Roy #542-505-34650 | Chesapeake Operating Inc. | Zapata, TXWildcat | PluggedGas | 14,500 | Jan 7, 2003 | — | — |