Sliding Sleeve Well Tool with Metal-to-Metal Seal

摘要

A sliding sleeve well device has a first sliding sleeve received in a second sliding sleeve. A polymer seal having a polymer sealing surface is between and in sealing contact with the sliding sleeves. A metal-to-metal seal is between the sliding sleeves and actuable into sealing contact with the first and second sliding sleeves.

主权项

1. A well tool, comprising:
an outer tubing; an inner tubing received in the outer tubing to move axially with respect to the outer tubing; a first annular seal between the outer and inner tubings and actuable from a first state to a second, sealed state where the first annular seal sealingly contacts the outer and inner tubings and forms a metal-to-metal seal sealing a fluid path between the outer and inner tubings; and a second annular seal between and in sealing contact with the outer and inner tubings and sealing the fluid path, the second annular seal comprising a polymer sealing surface.