OPERATORS · TEXAS · P-5 NUMBER 135401

Carrizo Oil & Gas, Inc.

Leases where this operator filed the monthly production report. Oil is reported by lease, not by well, so these are the units its production is counted in.

82 LEASES · PAGE 1 OF 2

LeaseFieldCountyWellsOil, bblGas, mcfReported
Corrigan State 101 G-10-259441WildcatPresidio1264291Sep 2011 – Nov 2011
Galloway Gas Unit 2 G-3-233246Moss Bluff, North (Yegua EY-4)Liberty142.1K1.83MNov 2007 – Apr 2011
Houston Endowment Inc G-4-232986Mud Flats (9000)Aransas113.8K365KNov 2007 – Nov 2010
Waddell Unit G-13-244909Newark, East (Barnett Shale)Tarrant10180KSep 2008 – Apr 2010
Waddell Unit G-13-244907Newark, East (Barnett Shale)Tarrant10116KSep 2008 – Dec 2009
Pitchfork Ranch A-90 G-3-250213Wadsworth, West (Lewis No. 2)Matagorda11.05K141KJul 2008 – Aug 2009
Savage A-74 G-3-205141Wadstex (Tex Miss)Matagorda121.2K722KDec 2004 – Jul 2009
Miller A-14 G-3-230612Ramona (Wilcox)Matagorda11109KMay 2008 – Mar 2009
Waddell Unit G-13-244910Newark, East (Barnett Shale)Tarrant10112KSep 2008 – Mar 2009
Marshall, S. Jr. State A-2123 G-4-191791Seven Sisters, S. (Massive)Duval14.89K309KFeb 2003 – Feb 2009
Mund-Lipscomb "a" Unit G-13-221060Newark, East (Barnett Shale)Parker133976.6KMar 2007 – Jan 2009
Briscoe N G-4-204720Vaquillas Ranch (Lobo Cons.)Webb168491.8KNov 2004 – Nov 2008
Pitchfork Ranch A-90 G-3-192174Wadsworth (11,200 Frio)Matagorda127.1K1.12MOct 2002 – May 2008
Kranenburg Unit G-13-241184Newark, East (Barnett Shale)Erath11411.72KJul 2007 – Mar 2008
Perkins, Crocker G-2-205900Braslau, S. (2ND Tom Lyne)Live Oak14.2K265KJul 2004 – Nov 2007
Beach House G-3-196831Hematite Sand (Vicksburg)Chambers1353K6.5MAug 2003 – Oct 2007
Galloway Gas Unit 2 G-3-223614Moss Bluff, NorthLiberty112K741KOct 2006 – Oct 2007
Sterling Unit G-3-201106Hematite Sand (Vicksburg)Chambers129.1K587KApr 2004 – Jul 2007
Cerveny G-13-219956Newark, East (Barnett Shale)Parker191.11KMar 2006 – Apr 2007
Baby Ruth G-3-224942WildcatHarris17987Jan 2007 – Jan 2007
Smelley-Shaw Unit G-13-213568Newark, East (Barnett Shale)Tarrant108.94KAug 2006 – Dec 2006
Welder G-2-173224Poesta Creek (2750)Bee158538KDec 1998 – Sep 2006
Ramsey, C. C. G-2-189985Sitton Deep (Wilcox 11800)Goliad16.59K178KMar 2002 – May 2006
Briscoe N G-4-210450Vaquillas Ranch (Lobo Cons.)Webb11812.8KJun 2005 – May 2006
Beach House G-3-199614Hematite Sand (Vicksburg)Chambers161.6K1.34MJan 2004 – Feb 2006
White G-13-204008Newark, East (Barnett Shale)Parker1101.66KAug 2005 – Feb 2006
Usx Hematite Unit #1 G-3-177684Hematite Sand (Vicksburg)Chambers1192K6.39MNov 1999 – Dec 2005
Marshall, S. Jr. State A-2123 G-4-193134Seven Sisters (2400)Duval17200KFeb 2003 – Jul 2005
Hensley-Yturria G-4-169866Yturria (Vicksburg 3RD Massive)Starr19.96K605KAug 1998 – Dec 2004
Usx Hematite Unit #1 G-3-180387Hematite Sand (Vicksburg)Chambers148.8K830KSep 2000 – Jul 2003
Eubank G-4-191670Seis Banderas (Slick)Duval1167646KDec 2001 – Jul 2003
McMillan Unit G-3-169272W. D. McMillan (Yegua 9650)Wharton1381K2.61MJun 1998 – Mar 2003
Usx Hematite Unit #1 G-3-184008Hematite Sand (Vicksburg)Chambers140.8K916KJul 2001 – Mar 2003
Pitchfork Ranch A-90 G-3-183001Faith-Mag, Southwest (11600)Matagorda177.9K1.59MApr 2001 – Sep 2002
Mayo, J. D. G-4-185915Taft, North (A-5)San Patricio1215KNov 2001 – Aug 2002
McMillian, W. D. G-3-167641W. D. McMillan (Yegua 9650)Wharton1166K3.15MApr 1998 – Nov 2001
Mayo, J. D. G-4-182767Taft (6300 Sd. Frio)San Patricio11119.4KMar 2001 – Aug 2001
Hamill Energy Co., et Al G-3-179483Cleveland, N. (Cockfield 5600)Liberty1220170KOct 2000 – Jul 2001
Barrera G-4-169978KreisDuval1068.6KJul 1998 – Jul 2001
Fielder & Jeffery G-2-153658MayoJackson10145KMay 1995 – Jan 2001
La Brisa Ranch G-4-179218Garcia (Rincon, Second)Starr139737.2KSep 2000 – Nov 2000
Huebner A-382 G-3-179271Faith-Mag (Lewis)Matagorda132434.9KSep 2000 – Nov 2000
Drushel, Carrizo G-2-178929Carmichael (4300)Jackson101.02KJun 2000 – Nov 2000
Neblett G-4-175351El Benadito (A-3)Starr134152.4KNov 1999 – Jul 2000
Drushel G-2-175660Carmichael (4500)Jackson1022.4KNov 1999 – Jul 2000
Wendel et Al G-3-171434Wharton, West (Frio 4443)Wharton19287KDec 1998 – Apr 2000
Drushel, Carrizo G-2-171494Carmichael (Frio F-10)Jackson1082.8KNov 1998 – Oct 1999
Wendel et Al G-3-165926Wharton, West (Frio 4500)Wharton10193KDec 1997 – Dec 1998
Carrizo Drushel G-2-170250Carmichael (5100)Jackson1016.2KAug 1998 – Oct 1998
J. Neblett G-4-166728Arkansas City (6100 Frio)Starr11.67K206KNov 1997 – Aug 1998