API Drilling Tool Spear for Drilling and Servicing LM( )121*( )

API Drilling Tool Spear for Drilling and Servicing LM( )121*( )

Overview: in terms of application purpose, the spear is classified into reversing spear and non-reversing spear. And it falls into releasing spear and non-releasing spear by standard of application features. According to its component structure, it can also be divided into the threaded interlocking type and slip type. Releasing spear is generally used to catch fish be its inner bore. It is utilized for the fishing of drill stem, casing, tubing, and other fish with a hollow cylinder shape. It can work along with internal cutter, jarring tools, active the fish is stuck, the spear shall be released to get drilling tools out of the well. Structure and principle: it is constituted with mandrel, slip, release ring, guiding cone, etc. In terms of its working principles, the guiding cone leads the fishing spill to its fish, and then the slip moves up with its outside diameter becoming smaller for a smooth entry into the fish and finally catches the fish. Then move up the mandrel to lift the drilling tool. At the same time, the outside diameter of the slip, which will tightly hold the fish by its inner wall, becomes larger. Lift the slip to get the drilling tool out of the well. This product is designed and manufactured in accordance with the petroleum and natural gas industry standard of People’s Republic of China Spear for Drilling and Servicing (SY/T 5069-2009) and API7-1 standard.

1. High-strength
2. API Standard
3. Excellent Cost Performance

Major technical parameters and dimensions: