Patent ID: 6269883
Filing Date: 2001-08-07
Classification: E21B,F16B,F16L,Y10T

Abstract:
A disconnect tool, comprising:a first housing having a first segment and a second segment;a first collet having a first plurality of fingers, each of the first plurality of fingers being displaceable between a first position in which the first fingers prevent relative sliding movement between the first and second segments, and a second position in which the first fingers do not prevent relative movement between the first and second segments;a first piston positioned in the first housing and having a third position wherein the first fingers are prevented from displacing from the first position, and a fourth position wherein the first fingers are permitted to displace to the second position;means for selectively retaining the first piston in the third position; andmeans for moving the first piston from the third position to the fourth position.