Seal assembly for well locking mandrel

摘要

A seal assembly for use on a downhole well tool such as a wireline locking mandrel. The seal assembly includes a center element, multiple v-rings, wire mesh backup rings, and minimum clearance metal backup rings. The v-rings are manufactured from asbestos yarn impregnated with an elastomer and wrapped with tetrafluorethylene-propylene copolymer or terpolymer.