OPERATORS · TEXAS · P-5 NUMBER 706407

Riata Energy, Inc.

28 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Jul 14, 2006622544RecompletionPecosWest Ranch #510115,000Final completion37137434Now Longfellow Energy LP
Jan 5, 2006611866RecompletionGainesGeorge Allen Unit #22W6,000Final completion16535272Now Capturepoint LLC
Oct 18, 2005608067RecompletionPecosWest Ranch #31067,503Final completion37136991Now Longfellow Energy LP
Aug 18, 2004549737RecompletionPecosLongfellow 600 "3" #612,500Final completion37137316Now Longfellow Energy LP
Dec 22, 2003540051RecompletionPecosWest Ranch #6068,912Final completion37137269Now Longfellow Energy LP
Aug 8, 2003534925RecompletionTerrellMitchell #590118,600—44330003Now Sandridge Energy Inc.
Jan 24, 2003527362RecompletionPecosLongfellow #401811,000—37137116Now Longfellow Energy LP
Oct 28, 2002525010RecompletionPecosLongfellow #40108,150Final completion37136906Now Longfellow Energy LP
Sep 18, 2002523784RecompletionPecosWest Ranch #60111,000Final completion37136851Now Longfellow Energy LP
May 1, 2002519532RecompletionPecosLongfellow #40309,000Final completion37137161Now Longfellow Energy LP
Jan 24, 2002516616RecompletionPecosIrt -A- #6H7,300—37131047Now Last Mile Production LLC
Nov 2, 2001514579RecompletionPecosState Houston County Timber Co E #3H4,500—37130885Now Last Mile Production LLC
Aug 21, 2001512537RecompletionPecosMoores "B" #2H7,000—37131229Now Last Mile Production LLC
Nov 10, 1999489395RecompletionPecosLongfellow 600 3 #19,300Final completion37134132Now Longfellow Energy LP
Mar 26, 1999483505RecompletionPecosLongfellow #40312,483Final completion37134603Now Longfellow Energy LP
Jun 23, 1998477377RecompletionPecosWest Ranch #15,406—37136082Now Longfellow Energy LP
Jun 22, 1998477335RecompletionPecosLongfellow 600 4 #16,200—37133674Now Longfellow Energy LP
May 29, 1996448640RecompletionTerrellMitchell 9 #212,500Final completion44330425Now Hilcorp Energy Company
Oct 30, 1995441407RecompletionPecosAllison 20 #17,500—37133111Now Longfellow Energy LP
Oct 3, 1995440507RecompletionPecosValley M #1850—37101240Now Sandridge Expl. and Prod. LLC
Oct 3, 1995440506RecompletionPecosValley O #1850—37101238Now Sheridan Production Company LLC
Jan 3, 1995431535RecompletionPecosIowa Realty Trust 123 "A" #1700Plugged dry hole (P&A)37130944Now Last Mile Production LLC
Mar 23, 1994421045RecompletionTerrellUniversity 31 #1H9,000—44330028Now Hilcorp Energy Company
Nov 30, 1993418566RecompletionPecosMaddox State #117,000—37132353—
May 14, 1993411580RecompletionTerrellPoulter, Alma H. #1 L14,808—44300065Now OXY USA Inc.
Jan 15, 1992395818RecompletionTerrellMitchell 31-1R #119,041—44330289Now Hilcorp Energy Company
Jul 30, 1987333594RecompletionTerrellMitchell -59- #118,600Final completion44330003Now Sandridge Energy Inc.
Jul 24, 197828975RecompletionSchleicherWilliams, Myrtle et Al #27,285—41330058Acquired from B & T Well Service, Inc.