17.5-inch Alloy Casing for Horizontal Shale Drilling from United States
Welded alloy steel intermediate casing with a 17.5-inch external diameter, optimized for extended reach horizontal drilling in shale formations. This large circular cross-section pipe exceeds 406.4 mm and is classified under tariff item 7305.20.00 as casing of a kind used in drilling for oil or gas.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the external diameter exceeds 406.4 mm and the alloy steel composition
• Provide horizontal drilling specifications and API certification for CBSA assessment