油套管
  TUBING AND CASING
  標準Standard
  API 5CT、API 5B、ISO11960
  鋼級Grade: J55, K55, N80-1,N80-Q, L80-1, L80-9Cr,L80-1,C90, T95, C95, P110, Q125 .
  Tread types: NUE, EUE,VAM,special clearance,VAM TOP,NEW VAM.
  用途Application:
  油管用于油井取石油或天然氣
  套管用作油氣井的井壁。
  Tubing is used to extract petroleum and natural gas from a well
  Casing serves as walls of a well.
  油管規格Sizes of Tubing:

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