OPERATORS · RRC 706407

Riata Engy, Inc

645 PERMITS · PAGE 1 OF 13 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Nov 7, 2006627856DrillPecosWest Ranch #502410,300Spudded37137806Now Longfellow Energy LP
Oct 30, 2006627984DrillPecosWest Ranch 2 #270310,000Final completion37137813Now Longfellow Energy LP
Oct 27, 2006627858DrillPecosWest Ranch #50367,000Final completion37137807Now Longfellow Energy LP
Oct 27, 2006627855DrillPecosWest Ranch #34079,000Final completion37137804Now Longfellow Energy LP
Oct 27, 2006627846DrillPecosWest Ranch #32148,500Final completion37137805Now Longfellow Energy LP
Oct 27, 2006627844DrillPecosWest Ranch #60425,300Spudded37137803Now Occidental W TX Overthrust Inc.
Oct 27, 2006627833DrillPecosWest Ranch #32138,500—37137802—
Oct 26, 2006628053DrillPecosLongfellow DC #50111,500Plugged dry hole (P&A)37137810—
Oct 26, 2006628052DrillPecosLongfellow SS #180210,500Final completion37137811Now Longfellow Energy LP
Oct 26, 2006628050DrillPecosLongfellow State -600- 1 1/2 #210,500—37137808—
Oct 26, 2006628049DrillPecosWest Ranch #43027,800—37137809—
Oct 23, 2006627486DrillPecosWest Ranch #50289,000Spudded37137799Now Longfellow Energy LP
Oct 23, 2006627485DrillPecosLongfellow #40415,500—37137795—
Oct 23, 2006627484DrillPecosLongfellow #40425,500—37137797—
Oct 23, 2006627483DrillPecosWest Ranch #60405,000Final completion37137800Now Longfellow Energy LP
Oct 23, 2006627482DrillPecosWest Ranch #60415,200Spudded37137798Now Longfellow Energy LP
Oct 23, 2006627479DrillPecosWest Ranch #33098,500Final completion37137796Now Longfellow Energy LP
Oct 23, 2006627478DrillPecosLongfellow #40385,500Spudded37137794Now Longfellow Energy LP
Oct 12, 2006627426DrillPecosWest Ranch #33088,500Final completion37137793Now Longfellow Energy LP
Oct 12, 2006627424DrillPecosWest Ranch #50447,000—37137792—
Oct 11, 2006626446DrillPecosWest Ranch #32088,000Final completion37137786Now Longfellow Energy LP
Oct 10, 2006627272DrillPecosWest Ranch #50309,200Final completion37137791Now Longfellow Energy LP
Oct 6, 2006626870DrillPecosWest Ranch #50467,000—37137788—
Oct 3, 2006626534DrillPecosWest Ranch #60395,000Final completion37137787—
Sep 20, 2006625905DrillPecosWest Ranch #60385,000Final completion37137784—
Sep 20, 2006625862DrillPecosWest Ranch #60375,000Final completion37137783Now Longfellow Energy LP
Sep 18, 2006625587ReenterPecosWest State #24029,500Spudded37136714—
Sep 13, 2006625469DrillPecosWest Ranch #34088,800Final completion37137781Now Longfellow Energy LP
Aug 30, 2006625238DrillPecosWest Ranch #50416,500Final completion37137780Now Longfellow Energy LP
Aug 30, 2006624981DrillPecosWest Ranch #60365,000Final completion37137779Now Longfellow Energy LP
Jul 26, 2006622818DrillPecosNorth Pinon #23018,500Final completion37137763—
Jul 26, 2006622803DrillPecosWest Ranch #27038,500Final completion37137762Now Longfellow Energy LP
Jul 25, 2006622770DrillPecosWest Ranch #43037,500Spudded37137760Now Longfellow Energy LP
Jul 24, 2006623038DrillPecosWest Ranch #60299,700Final completion37137765Now Longfellow Energy LP
Jul 20, 2006622921DrillPecosAllison #20035,000Spudded37137761Now Longfellow Energy LP
Jul 14, 2006622544RecompletionPecosWest Ranch #510115,000Final completion37137434Now Sandridge Energy Inc.
Jul 12, 2006622403DrillPecosWest Ranch South #6901A9,000Spudded37137758Now Longfellow Energy LP
Jul 12, 2006622403DrillPecosWest Ranch South #6901A11,000Final completion37137758Now Longfellow Energy LP
Jul 5, 2006621731DrillPecosWest Ranch #60355,000Final completion37137756Now Longfellow Energy LP
Jul 5, 2006621729DrillPecosWest Ranch #60345,000Final completion37137755Now Longfellow Energy LP
Jun 27, 2006621244DrillPecosWest Ranch #7049,000Spudded37137754Now Longfellow Energy LP
Jun 27, 2006621244DrillPecosWest Ranch #70410,000Final completion37137754Now Longfellow Energy LP
Jun 23, 2006621471ReenterReevesWright State #250112,775Spudded38931087—
Jun 23, 2006621450ReenterReevesWright State-70- #220112,625—38930244—
Jun 23, 2006621448ReenterReevesWright Estate #50113,007—38900245—
Jun 23, 2006621444ReenterReevesReeves State #440111,450—38930087—
Jun 23, 2006621368DrillPecosState Houston Co. Timber Co. -F- #163,500—37137752—
Jun 23, 2006621367DrillPecosMooers "B" #63,500Spudded37137750—
Jun 23, 2006621366DrillPecosMooers "B" #43,500Final completion37137749Now Last Mile Production LLC
Jun 23, 2006621362DrillPecosMooers "C" #63,500Spudded37137748—