Patent ID: 6009947
Filing Date: 2000-01-04
Classification: E21B

Abstract:
A completion system for use in a borehole drilled into earth formations wherein it is desirable to establish a fluid communication path between the interior of a pipe string in the borehole and an earth formation traversed by the borehole, comprising:a casing pipe string for placement in the borehole;openings formed in the wall of said casing pipe string;tubular passage means mounted for movement in said openings;canister means having a shaped charge therein, said canister means being sized for conveniently being assembled into one end of said tubular passage means, said canister blocking said tubular passage means;explosive means mounted in the other end of said tubular passage means for detonating said shaped charge; anddetonating cord means arranged to be operated when it is out of direct contact with said tubular passage means when extended for providing a pressure wave upon operation thereof to activate said explosive means.