Casing，tubing, drill pipe and drill collar are a major portion of OCTG Casings are pipes that support wall of oil and gas well and mainly divided into 3 kinds, the surface, protection and production casing.
Tubing is a special pipe which is installed in production casing after well cementing to let oil or gas gush to the ground.Unitesteel can supply all tubings, casings and drill pipe of the API standards. In addition, it has also developed many kinds of tubings and casings of non-API standards, forming its own series to meet different requirements and offer more selections for the customers.
No comments:
Post a Comment