OCTG oil country tubular goods for drilling
Seamless casing pipe with coupling and thread protector
Standard: API 5CT.
Outside diameter: 1.9"--------20''
Steel grade: J55, K55, N80, L80, P110, C90, C95, T95, Q125
Thread type: LTC, STC, BTC PREMIUM CONNECTION
Length range: R1, R2, R3
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