OPERATORS · TEXAS · P-5 NUMBER 401921

Houghton Oil & Gas, Inc.

24 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
May 17, 2005600651DrillSterlingWhiskey Chute #17,900Spudded43133145Now Tall Dune Resources LLC
May 17, 2005600651DrillSterlingWhiskey Chute #19,000Final completion43133145Now Tall Dune Resources LLC
Apr 26, 2005556676DrillSterlingFoxtrot #17,900Final completion43133131Now Tall Dune Resources LLC
Jun 10, 2004546506DrillSterlingHildebrand #37,500Spudded43133112Now Siana Oil & Gas
Jun 10, 2004546506DrillSterlingHildebrand #38,140—43133112Now Siana Oil & Gas
Jun 10, 2004546506DrillSterlingHildebrand #38,140Final completion43133112Now Siana Oil & Gas
May 26, 2004546137DrillSterlingMcEntire #37,500Final completion43133111Now Siana Oil & Gas
Nov 7, 2003538373DrillSterlingHildebrand #28,850Final completion43133081Now Tall Dune Resources LLC
Mar 6, 2001505377DrillSterlingMcEntire #35037,600Final completion43133013Now Siana Oil & Gas
Mar 6, 2001505376DrillSterlingMcEntire #35027,600Final completion43133012Now Siana Oil & Gas
Feb 12, 2001505190DrillSterlingMcEntire #26027,600—43133011Now Siana Oil & Gas
Feb 12, 2001505190DrillSterlingMcEntire #26027,600Final completion43133011Now Siana Oil & Gas
Aug 28, 1997466876DrillSterlingWilkinson #11027,600Final completion43132890Now Bolding Energy LLC
Sep 6, 1996452214DrillSterlingSMH-Horwood #18,250Plugged dry hole (P&A)43132833—
Jun 9, 1992400029DrillSterlingFoster, R. T. 20 #77,400Final completion43132421Now Tall Dune Resources LLC
Jul 10, 1991389534DrillSterlingFoster, R. T. 20 #67,400Final completion43132252Now Tall Dune Resources LLC
Feb 19, 1991384466DrillSterlingFoster, R. T. 20 #57,400Final completion43132196Now Tall Dune Resources LLC
Sep 18, 1989363974DrillSterlingFoster, R. T. "17" #49,000Final completion43132025Now Tall Dune Resources LLC
Mar 20, 1989357169DrillSterlingFoster, R. T. 20 #48,200Final completion43131983Now Tall Dune Resources LLC
Sep 29, 1988351782DrillSterlingFLH-Horwood #18,200Final completion43131959Now Tall Dune Resources LLC
May 22, 1987330672ReenterSterlingWilkinson #11018,995Final completion43100281Now Bolding Energy LLC
Jun 27, 1985278929DrillSterlingFoster, R. T. 20 #38,600Final completion43131668Now Tall Dune Resources LLC
Jan 5, 197940309DrillSterlingBrownfield 17 #18,200Final completion43130128Acquired from Blanks, W. C.
Aug 16, 197830750DrillSterlingBrownfield 16 #18,000Final completion43130706Acquired from Sterling Company