Patent ID: 6447021
Filing Date: 2002-09-10
Classification: E21B

Abstract:
A locking telescoping joint for use in a conduit connected to a wellhead, comprising:first and second telescopingly interconnected tubular sections having opposite ends adapted for connection to the conduit, the telescopically interconnected tubular sections being movable relative to each other from a fully retracted to a fully extended position, the second tubular section being freely rotatable with respect to the first tubular section in at least one position to permit rotary manipulation of downhole components; and a latch assembly for releasably locking the first and second tubular sections at a plurality of latch points disposed along a travel length of the telescoping joint between the fully retracted and the fully extended positions, and the latch assembly being adapted to prevent the second tubular section from being completely withdrawn from the first tubular section within which it reciprocates.