Casings are used for fixing the well wall or down hole, which have wider diameters, can be divided into conductor casings, technical casings and Oil casings.

Size: 4 1/2” – 20”; 30" conductor pipe
Grade: H40, J55, K55, N80, L80, L80-1%Cr, L80-3%Cr, L80-9%Cr. L80-13%Cr,                            L80-28%Cr CRA, C90, R95, T95, C110, P110, HCP110, Q125
Connection: LTC, STC, and BTC

Product Specification Level: PSL1, PSL2 and PSL3
Type: Seamless and ERW