Essential details
Shipping:Express Delivery, Air freight, Land freight, Ocean freight
Product Introduction
Oil casing serves as the lifeline of oil‑well operation. It is mainly used for oil & gas well exploration and transportation. It provides wellbore support during drilling and after well completion, guaranteeing drilling progress and normal operation of oil wells.
Steel Grade：H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
SIZE：OD: 114.3MM—508MM(4 1/2"—20")；WT: 5.21MM-16.13MM(9.5PPF—133PPF)
Standard：API 5CT, GB, ISO11960, GOST
Thread Type：STC, LTC, BTC, XC and Premium connection
Length：R1, R2, R3
Service：NDT etc related rules of API 5CT and 5B
