Sour Service: Casing and tubing grades suitable for H₂S-containing environments according to specified sour-service requirements

High Collapse: Casing designed for applications requiring enhanced external collapse resistance

High Strength: OCTG grades for deep and mechanically demanding wells

Corrosion Resistant: Stainless Steel, 13Cr and corrosion-resistant alloy tubulars where specified

Low Temperature & Special Service: Material grades selected according to operating conditions and well design

Applicable Requirements: API, ISO, NACE/ISO sour-service requirements and customer-specific specifications, as applicable