US Patent 10301907 Setting tool with pressure shock absorber

A setting tool includes a housing, a mandrel disposed in a bore of the housing, a sleeve disposed between the mandrel and the housing, the sleeve movable from a first position to a second position, a biasing member for biasing the sleeve towards the second position, a first fluid flow path through a bore of the mandrel, and a second flow path in an annulus formed between the mandrel and the housing, wherein the sleeve blocks fluid flow through the second flow path when the sleeve is in the second position.