API 5CT N80 Casing Pipe, R1, R2, R3, 4 1/2- 20IN

API SPEC 5CT N80 Casing Pipe

Name: Casing Pipe.
Steel Grade: J55, K55, N80, L80, C90, T95, P110, Q125, V150.
Standard: API SPEC 5CT.
Out Diameter: 4 1/2"- 20" (114.3mm-508mm).
Wall Thickness: 0. 205"- 0.635".
Length: R1(4.88mtr-7.62mtr), R2(7.62mtr-10.36mtr), R3(10.36mtr or longer).

Applications: Oil casing is a kind of large diameter pipes and play an important role to fix oil and gas well wall and well hole. Casing is inserted into the well hole and fixed with cement in order to prevent the borehole and separated strata borehole collapse and ensure drilling mud circulating flow and drilling.

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