Patent ID: 6192981
Filing Date: 2001-02-27
Classification: E21B

Abstract:
A coiled tubing anchor assembly for supporting tubing in a well, comprising a tubing head having an internal bore for receiving the tubing and a tapered throat provided in said bore; a plurality of slips provided in said bore, said slips having tapered surfaces sidably engaging said tapered throat and slip teeth provided on said slips, said slip teeth facing inwardly of said bore adjacent the tubing; a rack element slidably disposed in said bore beneath said slips and rack projections provided on said rack element; a gear disposed for rotation in said tubing head and gear teeth provided on said gear for engaging said rack projections on said rack element; and a rotatable slip-operating mechanism extending into said tubing head and engaging said gear, wherein said rack element and said slips are slidably displaced in said bore and said tapered throat, respectively, and said slip teeth selectively engage and disengage the tubing responsive to rotation of said slip-operating mechanism and said gear.