| W. P. Wright GU #142-047-31844 | Crimson Exploration Oper. Inc. | Brooks, TXFalfurrias (Frio 7220) | PluggedGas | 8,500 | Feb 10, 1999 | — | — |
| Powledge #342-185-30386 | Crimson Exploration Oper. Inc. | Grimes, TXMadisonville S. (Dexter 9220) | PluggedOil | 10,000 | Dec 17, 1998 | — | — |
| Raun N. #342-481-34079 | Crimson Exploration Oper. Inc. | Wharton, TXRaun (Frio 4970) | PluggedGas | 5,000 | Oct 6, 1998 | — | — |
| Raun #142-481-34080 | Crimson Exploration Oper. Inc. | Wharton, TXRaun (Frio 4350) | PluggedGas | 8,200 | Oct 6, 1998 | — | — |
| Garth -a- #242-071-32146 | Crimson Exploration Oper. Inc. | Chambers, TXAnahuac SE. (Nodosaria 1) | PluggedOil | 9,500 | Oct 1, 1998 | — | — |
| Powledge #1HZ42-185-30375 | Crimson Exploration Oper. Inc. | Grimes, TXMadisonville S. (Geog. Twn. UP) | PluggedOil | 12,650 | Sep 15, 1998 | — | — |
| Wells #142-481-34022 | Crimson Exploration Oper. Inc. | Wharton, TXDuncan (Wilcox) | PluggedGas | 10,500 | Feb 13, 1998 | — | — |
| Franz Augusta #242-249-32281 | Crimson Exploration Oper. Inc. | Jim Wells, TXT.-C.-B. (Upper Frio Cons.) | PluggedGas | 8,000 | Oct 1, 1997 | — | — |
| Perez F. R. #742-505-33478 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (L-1 L-2 L-3) | PluggedGas | 9,000 | Sep 16, 1996 | — | — |
| Weinheimer #142-481-33907 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan (Frio 4860) | PluggedGas | 5,600 | Aug 28, 1996 | — | — |
| Black Stone Minerals Fee et al #1U42-199-32716 | Crimson Exploration Oper. Inc. | Hardin, TXVillage Mills W. (Wilcox 9150) | PluggedOil | 10,000 | Nov 20, 1995 | — | — |
| Vastar Resources Inc. Fee #142-199-32697 | Crimson Exploration Oper. Inc. | Hardin, TXVillage Mills W. (Wilcox 9150) | PluggedGas | 10,500 | Sep 5, 1995 | — | — |
| Perez F. R. #542-505-33342 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (L-1 L-2 L-3) | PluggedGas | 15,000 | Aug 15, 1995 | — | — |
| Coates #242-215-32248 | Crimson Exploration Oper. Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg N) | PluggedGas | 12,500 | Jul 21, 1995 | — | — |
| Palmyra a #142-505-33328 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (L-1 L-2 L-3) | PluggedGas | 8,500 | Jul 14, 1995 | — | — |
| Hale-Lehr #142-507-32519 | Crimson Exploration Oper. Inc. | Zavala, TXFight & Holler (San Miguel) | PluggedGas | 4,000 | Jul 14, 1995 | — | — |
| Bell Harry #1HHZ42-185-30465 | Crimson Exploration Oper. Inc. | Grimes, TXIola (Georgetown) | PluggedOil | 15,463 | Sep 1, 1994 | — | — |
| Pryor #5542-481-33727 | Crimson Exploration Oper. Inc. | Wharton, TXDopey (Frio) | PluggedGas | 5,000 | Aug 3, 1994 | — | — |
| Hutchins Peareson #5442-481-33707 | Crimson Exploration Oper. Inc. | Wharton, TXTres Frijoles (Frio) | PluggedGas | 5,200 | May 19, 1994 | — | — |
| Bromberg #142-225-30588 | Crimson Exploration Oper. Inc. | Houston, TXAustonio (Cantrell Sd.) | PluggedOil | 10,800 | Dec 28, 1993 | — | — |
| Richards #142-481-33651 | Crimson Exploration Oper. Inc. | Wharton, TXRound Mott (Yegua) | PluggedGas | 7,000 | Aug 2, 1993 | — | — |
| Black Stone Minerals Fee #142-199-32652 | Crimson Exploration Oper. Inc. | Hardin, TXVillage Mills W. (Wilcox 9150) | PluggedGas | 10,000 | Jun 8, 1993 | — | — |
| Mikeska George Jr. Unit #142-015-00623 | Crimson Exploration Oper. Inc. | Austin, TXNelsonville ( Wilcox 10 400) | PluggedGas | 10,520 | Dec 5, 1991 | — | — |
| Coates Energy Trust #142-215-32006 | Crimson Exploration Oper. Inc. | Hidalgo, TXSan Ramon (8550) | PluggedGas | 12,000 | Nov 1, 1991 | — | — |
| Ford Marie Welder #142-469-30221 | Crimson Exploration Oper. Inc. | Victoria, TXRob Welder (Wilcox 8600) | PluggedGas | 9,240 | Aug 12, 1987 | — | — |
| West G. W. #942-507-32189 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido D-1) | PluggedGas | 4,700 | Apr 3, 1986 | — | — |
| Pastusek #142-313-30430 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville West (Georgetown) | PluggedGas | 9,900 | Feb 19, 1986 | — | — |
| Powledge #242-185-30380 | Crimson Exploration Oper. Inc. | Grimes, TXMadisonville SW (Sub-Clksville) | PluggedGas | 9,870 | Mar 18, 1985 | — | — |
| West Mary Nan #142-507-32114 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido D-1) | PluggedGas | 4,500 | Mar 18, 1985 | — | — |
| Crane #242-313-30518 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville S. (Dexter 9220) | PluggedGas | 9,655 | Oct 9, 1984 | — | — |
| Heath #342-313-30438 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville E. (Lewisville) | PluggedGas | 10,100 | Oct 2, 1984 | — | — |
| S.M.U. et al #d 142-199-32166 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 1,600 | Aug 3, 1984 | — | — |
| Crane #342-313-30523 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville (Sub-Clark Gas) | PluggedGas | 9,600 | May 10, 1984 | — | — |
| Norvell B.E. #342-039-00095 | Crimson Exploration Oper. Inc. | Brazoria, TXManvel W. (Marg. 5470) | PluggedOil | 5,610 | Aug 12, 1983 | — | — |
| Rogers #142-313-30459 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville West (Georgetown) | PluggedOil | 10,000 | Aug 8, 1983 | — | — |
| Hooks #142-199-31910 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 1,700 | Jun 8, 1983 | — | — |
| Gulf-Star-Phillips Fee #442-199-31871 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 2,000 | May 2, 1983 | — | — |
| S.M.U. et al #142-199-31814 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 1,800 | Dec 14, 1982 | — | — |
| Franz Augusta #142-249-03214 | Crimson Exploration Oper. Inc. | Jim Wells, TXT.-C.-B. (LWR Frio-UP Vxbg) | PluggedGas | 7,395 | Sep 21, 1982 | — | — |
| Norvell B. E. #1 R42-039-30690 | Crimson Exploration Oper. Inc. | Brazoria, TXManvel (F.B. II Oligocene) | PluggedOil | 5,750 | Mar 17, 1982 | — | — |
| Marberry -a- #342-391-30214 | Crimson Exploration Oper. Inc. | Refugio, TXMcFaddin (3200) | PluggedGas | 5,812 | Nov 10, 1981 | — | — |
| Norvell B. E. #142-039-00096 | Crimson Exploration Oper. Inc. | Brazoria, TXManvel (F.B. II Oligocene) | PluggedOil | 5,800 | Apr 24, 1981 | — | — |
| Gulf-Star-Phillips Fee #242-199-31531 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 2,000 | Dec 31, 1980 | — | — |
| Gulf-Star-Phillips Fee #142-199-81476 | Crimson Exploration Oper. Inc. | Hardin, TXSaratoga | PluggedOil | 1,500 | Oct 30, 1980 | — | — |
| Winterbotham George S. -B- #242-507-31219 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido D-1) | PluggedGas | 3,700 | Aug 23, 1979 | — | — |
| West Mary et al #142-507-31178 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River W. (Escondido D-1) | PluggedGas | 3,700 | Jun 11, 1979 | — | — |
| Winterbotham George -B- #142-507-31123 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido D-1) | PluggedGas | 3,700 | Apr 2, 1979 | — | — |
| Glasscock Leta J. #142-507-31083 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River W. (Escondido D-1) | PluggedGas | 3,700 | Jan 3, 1979 | — | — |
| Glasscock W. D. Est. #142-507-31075 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River W. (Escondido D-1) | PluggedGas | 3,600 | Nov 28, 1978 | — | — |
| Rupp Gas Unit 2 #142-047-30666 | Crimson Exploration Oper. Inc. | Brooks, TXFlowella (Vicksburg Deep) | PluggedGas | 13,500 | Apr 14, 1978 | — | — |