OCTG Tubing and Casing Pipe

API Spec 5CT Seamless Steel Casing Pipe for Oil Well, Water Well and Gas Well Completion and Cementing After oil/gas well drilling is completed, the oil companies will arrange the contractor to RIH casing pipe for cementing. There are usually three types of casing pipe, which are surface casing pipe,technical casing pipe and production casing pipe, many wells follow the above casing pipe assembly, and sometimes there's conductor casing pipe before the surface casings, the