The Overshot is the most versatile and widely used fishing tool in the industry. Designed to engage, pack-off, retrieve, and release various types of fish.Series 150 Releasing and Circulating Overshot is one of the most common external fishing tool for
engage, pack off and retrieve tubular fish, especially for fishing drill collar and drillpipe.
150 Overshot consists of three outside parts: Top Sub, Bowl, and Standard Guide. Basket grapple and mill shoe are used when catch
the tubing, the mill shoe can be used to mill the fish top and sharp edge to make the fish run into the overshot. There is a high
pressure mud fluid circulating when overshot caught the drill collar or drill pipe with spiral grapple and mill control.
