skip navigation

Our Products

Home / Product & Services / OCTG

We provide the BEST quality products and services!


OIL COUNTRY TUBULAR GOODS (OCTG) are a family of seamlessly rolled products consisting of drill pipes, casing and tubing subjected to loading conditions according to their specific application.

  • STC (short round casing thread)
  • LTC (length of casing thread loop)
  • BTC (supports casing thread)
  • XL (extreme-line casing)
  • NUE (non-tempered tube)
  • EUE (tempered external tube)
  • I J (integral tubing joint)
  • Premium Connections
  • And almost any premium & gas tight connection

Specifications of oil well casing

various dimensions (OD inch): 4 1/2 "—30"

various dimensions (mm OD) : 114.3—762

Standard: API SPEC 5CT

Main Steel grade: H40, J55, K55, N80, N80, L80, T95, P110 etc