OPERATORS · RRC 486541

Laredo Engy IV, L.P

6 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Feb 10, 2007633212DrillZapataGarza #115,000Final completion50535809Now Laredo Energy Operating LLC
Nov 17, 2006629127DrillZapataSan Fernando #410,500—50535740Now Bordertown Energy Resources LLC
Oct 31, 2006628324DrillWebbVaquillas Unproven Minerals, Ltd #111,500—47939688Now Laredo Energy
Oct 31, 2006628324DrillWebbVaquillas Ranch Minerals, Ltd #111,500Unperforated completion47939688Now Laredo Energy
Jun 28, 2006621678RecompletionBrazosPayne Unit 1 #18,750Final completion04130502Acquired from Laredo Energy
Mar 11, 198074807DrillBrazosPayne Unit I #18,800Final completion04130502Acquired from Gulf Canada Royalite Ltd