supply API 5L steel pipe oil and gas line pipe

Ministry of Commerce of the P.R.China China Commodity Net

Casing is a large diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore. It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.[DOC]mofcom.gov.cn· Web viewThe Extra Efficient Gas Tight Coupled Connection of «Premium» Class with trapezoid threading on casing & tubing pipe ends is destined for construction and operation in vertical and controlled directional wells at oil, gas and gas condensate field. Drill Pipe as per API5DP is available too thru cooperation production unit, ranged to scope