1. Full-circle Releasing Spears 2. Used as fishing works in oilfield 3. Brand: Deshi

Releasing Spear

Technical specifications and parameters

Specifications	Overall size	Joint	Use & Parameter
LM-T86×60	φ86×618	NC26	60 oil tube,Tensile load 340 KN
LM-T105×73 O	φ105×720	NC31	73 oil tube,Tensile load 535KN
LM-T105×73 D	φ105×617	NC31	3 1/2″ drill pipe,Tensile load 441KN
LM-T129×140	(φ119~φ129)×986	NC31	140 casing,Tensile load 1150KN
LM-T199×219	φ199×996	NC38	219 casing,Tensile load 1720KN

             

In drilling and work over, LM-T 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.

Full-Circle Releasing Spears