Heavy weight drill pipes we produce are integral. Materials are form AISI 4145H modified drill collar material. Hardbanding on both end and center of the body increases abrasion resistance and extend service life.
Heavy weight drill pipe is developed to provide a gradual transition from drill collars to the relatively drill pipe. It can redice fatigue damage to the drill pipe.
Heavy weight drill pipe is intended primarily for directional drilling. It improves directional control by reducing torque and drag
Different size of Heavy weight drill pipe is 3 1/2", 4", 4 1/2", 5", 5 1/2" etc.
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Henan Shenlong Petroleum Drilling Tools Co., Ltd, a U.S.-China joint enterprise, is one of world leading manufacturers of the high quality petroleum drilling tools based in mainland China.