Releasing spear

Introduction

Releasing spear provide a positive means to engage and retrieve an internal fish form the well. It is ruggedly built to withstand severe jarring and pulling strains. It engages the fish over a large area without the damage of the fish. The simple design avoids the problem of small parts lost or damaged in the hole when operation. It may be used with other equipment such as pack-off assemblies and internal cutters. If the fish can not be pulled, the spear may easily be released and disengaged.

Construction

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 to provide a positive landing position on top of the fish. Size and type of the upper box connection is provide according to customer’s exact specification.