OPERATORS · TEXAS · P-5 NUMBER 706407

Riata Energy, Inc.

59 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Sep 18, 2006625587ReenterPecosWest State #24029,500Spudded37136714Now Longfellow Energy LP
Jun 23, 2006621471ReenterReevesWright State #250112,775Spudded38931087Now Goodnight Midstream Permian LLC
Jun 23, 2006621450ReenterReevesWright State-70- #220112,625—38930244—
Jun 23, 2006621448ReenterReevesWright Estate #50113,007—38900245Now Shell Western E&P
Jun 23, 2006621444ReenterReevesReeves State #440111,450—38930087—
Feb 10, 2006612867ReenterPecosWest Ranch #29017,500Plugged dry hole (P&A)37136690Now Fina Oil & Chemical Company
Nov 22, 2005609855ReenterPecosLongfellow -FW- #13026,000Final completion37136234Now Longfellow Energy LP
Nov 21, 2005609857ReenterPecosLongfellow -FW- #110114,900Spudded37132609Now Longfellow Energy LP
Jun 17, 2005601938ReenterPecosLongfellow State -139- #140110,500Final completion37133764Now Sandridge Expl. and Prod. LLC
Feb 14, 2005557492ReenterPecosLa Escalera #15019,000Unperforated completion37130810Now Longfellow Energy LP
Feb 9, 2005557365ReenterPecosWest Ranch HTC -2- #60113,000Unperforated completion37136061Now Longfellow Energy LP
Feb 8, 2005557366ReenterPecosLa Escalera #1018,000Unperforated completion37130938Now Sandridge Expl. and Prod. LLC
Jan 28, 2005556752ReenterPecosWilliams #20112,000Plugged dry hole (P&A)37135907—
Nov 9, 2004553412ReenterPecosAtkinson-Bunger #19,000—37131853—
Jun 1, 2004546318ReenterTerrellJudkins, Corinne R. #660112,000Final completion44310208Now Sandridge Expl. and Prod. LLC
Aug 22, 2003535394ReenterPecosElsinore #730115,650Final completion37134345Now Sandridge Expl. and Prod. LLC
Jul 11, 2003533720ReenterTerrellHackberry #490117,000Final completion44330483Now Longfellow Energy LP
Feb 17, 2003528418ReenterPecosLongfellow -136- #290111,000Final completion37133822Now Longfellow Energy LP
Feb 10, 2003528033ReenterPecosMitchell, C. C. #121,000Plugged dry hole (P&A)37132995—
Nov 5, 2001515031ReenterPecosBig Canyon Ranch #124,075Final completion37136373Now OXY USA Inc.
May 1, 2001508384ReenterPecosLongfellow "9" #17,148—37135537Now Occidental W TX Overthrust Inc.
Jan 17, 2001503767ReenterPecosAllison #17019,000Plugged dry hole (P&A)37134642—
Jan 2, 2001503560ReenterPecosAllison #13029,000—37132989Now Longfellow Energy LP
Jan 2, 2001503560ReenterPecosAllison #13029,000Final completion37132989Now Longfellow Energy LP
Nov 29, 2000502442ReenterPecosLongfellow "XX" #1019,000Final completion37132812Now Longfellow Energy LP
Sep 7, 2000499361ReenterPecosHudgins 169 #14,000—37133181Now Abraxas Petroleum Corporation
Oct 25, 1999488614ReenterPecosWest Ranch #29019,000—37136690Now Fina Oil & Chemical Company
Jul 30, 1999486187ReenterPecosKennedy #11019,000Final completion37131837Now Amtex Energy Inc.
Apr 21, 1999484011ReenterPecosMontgomery-Fulk #98,000—37131748Now Legacy Reserves Operating LP
Apr 21, 1999484011ReenterPecosMontgomery-Fulk #98,000Final completion37131748Now Legacy Reserves Operating LP
Oct 13, 1998480106ReenterHansfordRosenbaum 149 #17,500Plugged dry hole (P&A)19581050—
Aug 26, 1998478847ReenterPecosAllison #57,700Final completion37132868Now Longfellow Energy LP
Aug 14, 1998478692ReenterPecosElsinore A #17,500Final completion37131535Now Longfellow Energy LP
Sep 26, 1997468086ReenterGalvestonCrocker, C. R. #1ST10,800—16701289Now Superior Oil Company The
May 7, 1997459388ReenterCrockettVaughan 82 #38E2,000—10502415—
Nov 1, 1996450618ReenterPecosAllison, J. E "1" #11,440—37132812Now Longfellow Energy LP
Oct 30, 1996450648ReenterPecos7405 JVD-Allison #31,535—37131287—
May 13, 1996441406ReenterPecosAllison 20 #25,005Final completion37131172Now Longfellow Energy LP
Apr 17, 1996447144ReenterPecosBleakley -85- #19,000Plugged dry hole (P&A)37110207—
Mar 5, 1996445525ReenterPecosLongfellow '24' #17,800Final completion37136123Now Longfellow Energy LP
Feb 12, 1996444684ReenterPecosLongfellow '9' #17,148Spudded37135537Now Occidental W TX Overthrust Inc.
Feb 12, 1996444684ReenterPecosLongfellow '9' #17,148Final completion37135537Now Occidental W TX Overthrust Inc.
Oct 30, 1995441406ReenterPecosAllison 20 #27,500—37131172Now Longfellow Energy LP
Sep 15, 1995439926ReenterHoustonStephens, C. A. #23,000Final completion22500513Now Manti Operating Company
May 23, 1995436170ReenterWinklerLinebery "35" #19,500—49530210Now COG Operating LLC
May 23, 1995436170ReenterWinklerLinebery "35" #117,700—49530210Now COG Operating LLC
May 23, 1995436170ReenterWinklerLinebery "35" #117,700Final completion49530210Now COG Operating LLC
May 15, 1995435883ReenterPecosLongfellow "13" #17,500—37135559Now Longfellow Energy LP
May 15, 1995435880ReenterPecosLongfellow "11" #17,500—37132609Now Longfellow Energy LP
Jan 10, 1995431707ReenterPecosI.R.T. "73" #29,000Plugged dry hole (P&A)37103394—