In Drilling and word over operation, Roschen type releasing spear is a tool mainly used for fishing of drill pipe, oil pipe and casing from fish hole. It can be used with internal cutter bumper jar etc.

Releasing Spear. 

Designed and manufactured according to API spec 7-1. It is pulled from the inside diameter of the fallen fish. It can be used with internal cutter, jar and other tools. If the fish can’t be picked up, pick up the spear.

Standard releasing spears provide a positive means to engage and retrieve an internal fish from the well. The design of this rugged, dependable, and inexpensive internal catch fishing tool ensures positive engagement, easy release, and re-engagement such as pack-off assemblies and internal cutters.

The Releasing Spear consists of a mandrel, grapple, releasing ring, and a bull nose nut.The mandrel is made of specially heat treated high strength alloy steel; and may be ordered either as a flush type to enter completely into a fish or as a shoulder type

Releasing Spear

Designed and manufactured according to API spec 7-1.

It is pulled from the inside diameter of the fallen fish.

It can be used with internal cutter, jar and other tools.

If the fish can’t be picked up, pick up the spear.