| Adeline Weddington #1WD42-255-01261 | Crimson Exploration Oper. Inc. | Karnes, TXFashing (Edwards Lime -A-) | PluggedGas | 6,786 | Mar 19, 2012 | — | — |
| E. Schwarz #142-291-32779 | Crimson Exploration Oper. Inc. | Liberty, TXWildcat | PluggedGas | 15,400 | Dec 16, 2009 | — | — |
| Booth #3REHZ42-507-32458 | Crimson Exploration Oper. Inc. | Zavala, TXPearsall (Austin Chalk) | PluggedOil | 6,800 | Oct 7, 2008 | — | — |
| Weinheimer-Grady E. A. Trust #142-481-33501 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan West (Frio 4630) | PluggedGas | 10,000 | Sep 16, 2008 | — | — |
| Vick M.Y. #342-313-30445 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville S. (Dexter 9220) | PluggedGas | 9,700 | Aug 21, 2006 | — | — |
| Harris-Johnson #142-313-30429 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville (Georgetown) | PluggedOil | 10,100 | Jul 17, 2006 | — | — |
| Heath #442-313-30547 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville E. (Lewisville) | PluggedGas | 9,660 | Mar 16, 2006 | — | — |
| Pilgreen #142-285-32338 | Crimson Exploration Oper. Inc. | Lavaca, TXSpeaks SW. (Wilcox -E-) | PluggedGas | 15,000 | Mar 15, 2006 | — | — |
| Garcia-Benavides Gas Unit 1 #242-047-31833 | Crimson Exploration Oper. Inc. | Brooks, TXFlowella (Loma Blanca) | PluggedGas | 12,000 | Jun 13, 2005 | — | — |
| Wells #1R42-481-34730 | Crimson Exploration Oper. Inc. | Wharton, TXDuncan (Wilcox) | PluggedGas | 11,000 | Dec 17, 2004 | — | — |
| Cage Ranch 7072 #7072 T42-047-31711 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch (7200) | PluggedGas | 8,500 | Oct 15, 2004 | — | — |
| Weinheimer E. A. #342-481-33604 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan (Frio 4860) | PluggedGas | 8,700 | Sep 15, 2004 | — | — |
| Palmyra #142-505-33277 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (LZ-5) | PluggedGas | 14,500 | Jan 15, 2004 | — | — |
| Henderson #142-481-33684 | Crimson Exploration Oper. Inc. | Wharton, TXLeventhal (Yegua) | PluggedOil | 7,000 | Oct 29, 2002 | — | — |
| Faust #1 HHZ42-313-30478 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville S. (Geog. Twn. UP) | PluggedOil | 12,650 | Aug 31, 2001 | — | — |
| Winterbotham L. #142-507-00131 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido -C-) | PluggedGas | 4,354 | Apr 12, 2001 | — | — |
| West G. W. #342-507-00136 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido -C-) | PluggedGas | 4,153 | Apr 12, 2001 | — | — |
| Hensarling #1HHZ42-313-30292 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville S. (Geog. Twn. UP) | PluggedOil | 13,800 | Nov 30, 2000 | — | — |
| Cage Ranch #242-047-31912 | Crimson Exploration Oper. Inc. | Brooks, TXEllen (Vicksburg) | PluggedGas | 10,500 | Nov 6, 2000 | — | — |
| Noll Sand Gas Unit #442-047-31860 | Crimson Exploration Oper. Inc. | Brooks, TXFlowella (Nolle Sand) | PluggedGas | 11,000 | Oct 31, 2000 | — | — |
| Pilgreen #1Y42-285-32804 | Crimson Exploration Oper. Inc. | Lavaca, TXSpeaks S.W. (5800) | PluggedGas | 6,200 | Jul 12, 2000 | — | — |
| Pilgreen #1042-285-32779 | Crimson Exploration Oper. Inc. | Lavaca, TXSpeaks SW. (Rainbow) | PluggedGas | 15,000 | Mar 15, 2000 | — | — |
| Steinman Estate Gas Unit #1 #242-285-32772 | Crimson Exploration Oper. Inc. | Lavaca, TXBrushy Creek (Wilcox -S-1-11200) | PluggedGas | 15,500 | Jan 31, 2000 | — | — |
| Vick M.Y. #8HHZ42-313-30462 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville NE (Georgetown) | PluggedOil | 12,500 | Jan 27, 2000 | — | — |
| Linder Trust #142-123-31871 | Crimson Exploration Oper. Inc. | De Witt, TXBrushy Creek S. (Wilcox 13900) | PluggedGas | 16,000 | Nov 24, 1999 | — | — |
| West G. W. #742-507-00137 | Crimson Exploration Oper. Inc. | Zavala, TXLeona River (Escondido D-1) | PluggedGas | 4,400 | May 18, 1999 | — | — |
| Mikeska #342-015-30222 | Crimson Exploration Oper. Inc. | Austin, TXNelsonville (Wilcox 10 800) | PluggedGas | 11,300 | Feb 12, 1999 | — | — |
| 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 | — | — |