Part 2 Oil Country Tubular Goods （OCTG）

1. General Introduction
　

　　Based on the introduced advanced equipments and technologies from Japan, Germany, Italy and US, China has developed its own technologies and equipments for the manufacture of casing, tubing, drill pipe, heavy weight drill pipe, drill collar and kelly covering steel making, pipe making, heat treatment, upset processing, threading and NDT (Nondestructive Testing).
　　CPTDC can provide all kinds of oil country tubular goods and internal coating services for casing, tubing and drill pipe, and hardbanding for drill pipe and heavy weight drill pipe.
　　Casing, tubing, drill pipe, heavy weight drill pipe, drill collar and kelly made in China have been not only widely used in domestic oil and gas development, but also served in and highly desired by other countries such as Venezuela, Cuba, Pakistan, India, Indonesia, Burma, Russia, Kazakhstan, Turkmenistan, Uzbekistan, Azerbaijan, Sudan and Algeria.
　　Up to now, China has established an annual production capability of 3, 880, 000 tons (4, 268, 000 US tons) of casing and tubing, 500, 000 tons (550, 000 US tons) of drill pipe and 50, 000 pieces of kelly, heavy weight drill pipe, drill collar, and non-magnetic drill collar.

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