SUBSURFACE SAFETY VALVE WITH METAL SEAL

摘要

Disclosed herein is a biased actuator. The actuator includes, a reservoir, at least one piston in operable communication with the reservoir, at least one metal seal disposed about the at least one piston and in substantial sealing communication therewith, the at least one metal seal further being in substantial sealing communication with the reservoir and a biasing system in operable communication with both the reservoir and the at least one piston.