Description: Casing pipe is a special tubular product for oil (gas or water) extraction. Casing pipe is particularly exposed to axial tension and internal pressure by the pumped oil or gas emulsion. Casing pipes comply with Specifications on Casing and Tubing (API Spec 5CT), Specifications on Processing, Measuring and Inspecting Casing, Tubing and Threads (API Spec 5B) and other related standards.