Oil Country Tubular Goods (OCTG) comprises of a wide range of steel tubular products that are used in Oil and Gas exploration and production and in particular drilling. They can be Seamless and Welded Pipes (Electric Resistance Welding (EWR) and come in various sizes and length. The process of manufacturing of seamless and welded pipes and tubes is different with the seamless pipes designed to bear much higher stress. OCTG generally includes three categories of products - drill pipe, casing, and 更多
