The term Oil Country Tubular Goods describes tubes that are used in oil and gas production: As a rule these include drill pipe, casing and tubing.
Oil Country Tubular Goods are used both onshore and offshore. In the industry, they are also referred to by the acronym OCTG (for “Oil Country Tubular Goods”). Each wellbore proceeds in multiple phases, during which
drill pipe,casing (lines the wellbore), andtubing (delivery or production tubes that transport the oil and gas to the surface) are used alternately. With voestalpine Tubulars GmbH & Co KG, DMH United Steel Industry has an experienced and reputable OCTG manufacturer in USI Group. The company, which is based in Suzhou, china, is a world leader in high-strength, seamless Oil Country Tubular Goods.
The American Petroleum Institute (API) stipulates precisely standardized specifications that define the properties of Oil Country Tubular Goods and classify them into ten grades. These properties are achieved through the chemical composition of the steel and subsequent heat treatment.
