What is OCTG?

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децембар 23, 2019
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децембар 26, 2019

What is OCTG?

OCTG is the abbreviation of Oil Country Tubular Goods, it mainly refers to the piping products that applied in the oil and gas production (drilling activities). OCTG pipe normally is manufactured based on API or related standard specifications. It also could be taken as a collective name of Drill pipe, Čelik kućište цеви and Tubing pipe, Spojnice, Connections and Accessories, used in petroleum industries that onshore and offshore.

According to the API (Амерички нафтни институт) standardized specifications, through the control on the chemical properties and adopts different heat treatment, OCTG pipe is classified into different performances material more than ten grades.

There are three main types of Oil Country Tubular Goods, which includes Drill pipe, Casing pipe and Tubing pipe.

1)Drill Pipe



2)kućište цеви


The casing is extremely heavy duty pipe which is vital to OCTG.

3)цеви цеви


This tubing must be able to withstand pressure during the extraction process and adequately resist loads and deformations that have to do with production and workovers. Just like casing is manufactured, tubing is also manufactured the same way but the additional upsetting process is applied to make it thicker.

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