Our company specializes in producing and selling the API standard drill pipes. The OD ranges from 2 3/8” to 5 1/2” and steel grade from E75 to S135. It’s mainly used in oil and gas exploration and development process of deep well, horizontal well and extended reach well. Comprehensive properties: good smooth finish, favorable flexibility, strong resistance to impact, outstanding adhesion and wonderful corrosion resistance.
Range of application: petroleum drilling engineering.