Oil casing is mainly used to support the well wall during the drilling process and after the completion of the well, so as to ensure the drilling process and the normal operation of the whole well after the completion of the well. It is the lifeline to maintain the operation of the well.
Range: OD: 114.3MM -- 508MM(4 1/2" -- 20"); Wall thickness: 5.21MM-16.13MM(9.5PPF -- 133PPF)
Material: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
Implementation standards: API 5CT, GB, ISO11960, GOST
Connection: STC, LTC, BTC, XC and Premium connection
Length: R1, R2, R3
Detection: NDT etc related rules of API 5CT and 5B
Type: Seamless steel pipe, straight seam steel pipe