Downstroke Combination Tool String

A typical application would be running and pulling plugs from the tubing hanger in conventional or subsea wellheads where it is always desirable to close the upper swab valve in the event the wireline is pulled from the rope socket or the toolstring gets stuck.

The downstroke combination toolstring incorporates a heavy wall tubular jar, acting as a weight bar and optional integral rope socket in a compact design that minimizes tool length while maximizing tool weight.