17.5-inch Alloy Casing for Horizontal Shale Drilling
Welded alloy steel intermediate casing, 17.5-inch OD, optimized for extended reach horizontal drilling in shale formations like Permian Basin wells. Classified in HTS 7305.20.80.00 for its large circular cross-section, alloy composition, and specific oil/gas drilling casing function. Features premium connections for high torque applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbon steel rather than alloy
Material composition (alloy vs carbon) splits classification between subheadings.
If imported with specialized drilling accessories
Complete drilling assemblies may classify as parts of oilfield machinery.
If for gathering lines post-fracturing
Production flowlines shift to line pipe classification after completion phase.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide well schematic drawings showing casing placement to prove drilling end-use
• Label API grade (P110, Q125) clearly on packaging to facilitate customs verification
• Beware of weight-based statistical suffixes requiring precise gross weight declarations
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