| Bluebonnet 18 #142-371-38953 | Crimson Exploration Oper. Inc. | Pecos, TXWildcat | PluggedOil | 12,900 | Jul 19, 2012 | — | — |
| Booth #3REHZ42-507-32458 | Crimson Exploration Oper. Inc. | Zavala, TXPearsall (Austin Chalk) | PluggedOil | 6,800 | Oct 7, 2008 | — | — |
| Cage Ranch #1742-047-32071 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch (Myrick Consolidated) | PluggedGas | 10,000 | Sep 25, 2008 | — | — |
| Weinheimer-Grady E. A. Trust #142-481-33501 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan West (Frio 4630) | PluggedGas | 10,000 | Sep 16, 2008 | — | — |
| Johnston Gas Unit #2STHZ42-313-30793 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville (Rodessa) | PluggedGas | 13,000 | Aug 24, 2007 | — | — |
| Jackson-Williams #342-239-33416 | Crimson Exploration Oper. Inc. | Jackson, TXMorales E. (Wilcox) | PluggedGas | 14,000 | Jun 29, 2007 | — | — |
| Fuhlberg Gas Unit #142-313-30811 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville (Rodessa) | PluggedGas | 13,000 | Aug 22, 2006 | — | — |
| 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 | — | — |
| Wilborn et al Gas Unit #142-071-32322 | Crimson Exploration Oper. Inc. | Chambers, TXRobinson Lake (Frio 10 500) | PluggedGas | 17,500 | Dec 7, 2005 | — | — |
| Cage Ranch #2042-047-32131 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch N. (7900) | PluggedGas | 10,000 | Aug 4, 2005 | — | — |
| 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 | — | — |
| Cage Ranch #4-C42-047-31917 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch NE. (8200) | PluggedGas | 12,000 | Oct 15, 2004 | — | — |
| Weinheimer E. A. #342-481-33604 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan (Frio 4860) | PluggedGas | 8,700 | Sep 15, 2004 | — | — |
| Brazil #142-291-32527 | Crimson Exploration Oper. Inc. | Liberty, TXHankamer N. (Vicksburg) | PluggedGas | 8,600 | Mar 12, 2004 | — | — |
| Palmyra #142-505-33277 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (LZ-5) | PluggedGas | 14,500 | Jan 15, 2004 | — | — |
| Cage Ranch #1442-047-32014 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch (8025 Vicksburg) | PluggedGas | 9,000 | Sep 24, 2003 | — | — |
| Henderson #142-481-33684 | Crimson Exploration Oper. Inc. | Wharton, TXLeventhal (Yegua) | PluggedOil | 7,000 | Oct 29, 2002 | — | — |
| Andress #142-291-32457 | Crimson Exploration Oper. Inc. | Liberty, TXRaywood W. (Yegua 10850) | PluggedGas | 11,850 | Oct 25, 2002 | — | — |
| Cage Ranch #1342-047-32024 | Crimson Exploration Oper. Inc. | Brooks, TXCage Ranch (8000 Vicksburg Up.) | PluggedGas | 10,500 | Oct 3, 2002 | — | — |
| Miller Ranch #342-047-32026 | Crimson Exploration Oper. Inc. | Brooks, TXEllen NW (Myrick Consolidated) | PluggedGas | 10,000 | Oct 3, 2002 | — | — |
| Faust #1 HHZ42-313-30478 | Crimson Exploration Oper. Inc. | Madison, TXMadisonville S. (Geog. Twn. UP) | PluggedOil | 12,650 | Aug 31, 2001 | — | — |
| Pryor #142-481-34373 | Crimson Exploration Oper. Inc. | Wharton, TXPeareson (4800) | PluggedGas | 5,500 | Jun 4, 2001 | — | — |
| Migl-Quinn #742-285-32895 | Crimson Exploration Oper. Inc. | Lavaca, TXSpeaks S.W. (3120) | PluggedGas | 3,900 | May 22, 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 | — | — |
| Stockton #142-481-34269 | Crimson Exploration Oper. Inc. | Wharton, TXDopey (Frio) | PluggedGas | 4,650 | Oct 13, 2000 | — | — |
| Raun #242-481-34270 | Crimson Exploration Oper. Inc. | Wharton, TXMenefee (Frio 4175) | PluggedGas | 4,400 | Oct 13, 2000 | — | — |
| Hutchins-Peareson #142-481-34272 | Crimson Exploration Oper. Inc. | Wharton, TXAlwan West (Frio 4630) | PluggedGas | 5,000 | Oct 13, 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 | — | — |
| 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 | — | — |
| 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 | — | — |