OPERATORS · TEXAS · P-5 NUMBER 125944

Calpine Natural Gas L.P.

4 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Sep 14, 2005606325ReenterWebbSouth Callaghan Ranch #58R10,000—47935365Now Aldine Oil and Gas LP
Sep 14, 2005606325ReenterWebbSouth Callaghan Ranch #58R9,300Final completion47935365Now Aldine Oil and Gas LP
Sep 12, 2000499509ReenterZapataVielmann-Ramirez #27,900Final completion50533238Acquired from Michael Petroleum Corporation
Nov 1, 1995441400ReenterZapataVielmann- Ramirez #28,500—50533238Acquired from Lyndel Exploration, Inc.