Oil Drill Pipe, Drill String, Drill Collar

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Drill Pipe

Drill Pipe is hollow, thick-walled, steel piping that is used on drilling rigs to facilitate the drilling of a well bore and comes in a variety of sizes, strengths, and weights but are typically 30 to 33 feet in length. They are hollow to allow drilling fluid to be pumped through them, down the hole, and back up the annulus. Our company specialize in producing and selling the API Standard drill pipe.The OD from 2 3/8" to 5 1/2" and steel grade from E75 to S135.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 character. Range of application:Petroleum drilling engineering.

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