Oil drill string is defined as a group of pipes and accessories on the drill bit and run to the bottom of the borehole. These components allow to deliver the rotation, the weight, and the fluids from the surface to the bottom of the drilled hole. It’s an important part of the rotary drilling process in oil and gas wells.
The components of drill string is inlcuding kelly, drill pipe and BHA-bottom hole assembly.
BHA consist of drill collars, HWDP and stabilizers etc. Puyang Zhongshi Group supply drill collars, stabilizers and HWDP with competitive price.We supply the drill collars and stabilizers with alloy steel and non-magnetic steel. Welcome your inquiries.
