... Petroleum and natural gas industries Steel pipes for use as casing or tubing for wellsNF M87-207: Petroleum and natural ... End: Beveled, Square cut. And pipe protection cap specially for casing and tubing.7. Surface: Corrosion proofing water based paint8. Coating ... , Screen, etcApplication: Tubing used in oil wells to extract oil or gas. Casing for oil and gas wells shaftCertificate: API5CT, Mill Test ...