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Glossary:Oil Country Tubular Goods (OCTG)

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Oil Country Tubular Goods (OCTG) refers to the casing, tubing, piping and pipelines used in the petroleum industry. These tubular products are the foundation of oil and gas well design and pipeline design and provide the conduit for the safe and efficient transport of oil and gas products to market.

These products are defined in the American Petroleum Institute (API) specifications, International Specifications Organization (ISO) as well as others.