Our Products

OCTG

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.

Connection

• 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