Drill pipe is one of the necessary components to any drilling rig designed to extract oil or other liquid materials from the ground. The drill pipe is not used for extraction. Instead, the hollow tubes pump drilling fluids downward to the bit and back out again as needed to reduce friction and heat buildup. Drill pipe transferred drilling torque to drill bit for drilling under the oil well. It bears complicated strength subject to pulling, loading, pressing, torsion and bending.
Standard: API 5DP, API SPEC 7-1
API 5DP Grade DZ50, E75, R780, X95, G105, S135
Range of Sizes: 2 3/8” to 5 1/2” up to 6 5/8”
Range of Thickness: 6.5mm to 12.7mm, or cutomized
Connection threads: NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.
Internal Upset: IU, EU, IEU
Length: R1, R2, R3
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Oilfield Tubular Products Drill Pipe Manufacuter
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