API 5CT steel pipe seamless steel pipe
API 5CT steel pipe seamless steel pipe, API 5CT Seamless casing tube,Oilfield Steel Casing PipeWell casing is Steel tubing that is threaded. Pin on bottom and box on top. Terminology: OCTG – oil country tubular goods, API – American petroleum institute The pipe is either steel plate that is welded or seamless tube that is formed. The well is drilled to a depth that is considered ‘as deep as possible’.