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API 5CT N80 Oil Casing Pipe

Date:2020-04-30    keywords:n80 casing
N80 petroleum casing pipe is a kind of important equipment for petroleum drilling. Its main equipment also includes drill pipe, core pipe and casing, drill collar and steel pipe for small diameter drilling. The meaning of N80 is the steel pipe grade divided according to the strength of the steel itself, and other steel grades such as J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc. Domestic casing is made of hot-rolled or cold-drawn steel for geological drilling. The steel number is represented by "Geology" (DZ). The commonly used casing steel grades are DZ40, DZ55, DZ753 species. Used in oil well drilling, it is mainly used to support the well wall during the drilling process and after completion, so as to ensure the progress of the drilling process and the normal operation of the entire oil well after completion.

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