Patent ID: 6588510
Filing Date: 2003-07-08
Classification: E21B

Abstract:
A coil tubing hanger system comprising:a body having an opening there through; a shoulder formed within the opening; a slip bowl fitted within the opening and resting against the shoulder, the bowl comprising a base portion having an opening there through and a peripheral portion, wherein a portion of an inner surface of the peripheral portion tapers from a larger diameter to a smaller diameter in a direction toward the shoulder; a slip fitted within the slip bowl, the slip having an inner surface, an outer surface and at least one depression formed on its outer surface, wherein the slip can move between a first position further from the base portion to a second position proximate the base portion, wherein the slip surrounds at least a portion of a cylindrical space aligned with the opening formed through the bowl base portion; a plurality of slip set screws fitted radially through the body, wherein each screw comprises a tip portion that can extend within the cylindrical opening; at least one opening formed on the bowl and in communication with the at least one depression of the slip, wherein the tips of said slip screws can penetrate the at least one opening and the at least one depression for maintaining said slip in the first position; and a packing ring fitted within the body cylindrical opening and over the bowl, wherein the packing ring has an opening axially aligned with the opening on the bowl base and wherein the outer diameter of the packing ring is greater than the inner diameter of peripheral portion of the bowl.