8-5/8 inch 36# P110 BTC Casing
8-5/8 inch OD, 36 lb/ft P110 seamless alloy casing with Buttress Threaded and Coupled (BTC) connections for intermediate production strings. HTS 7304.29.31 designation for seamless other alloy steel oil/gas casing. Balances strength and running ease.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If drill pipe variant
Thicker-walled drill pipe, even threaded, has separate provisions.
If line pipe use
Seamless line pipe for oil/gas transport differs from well casing.
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Import Tips & Compliance
• Specify BTC connection in entry docs; provide running torque data
• Common error: confusing with premium VAM connections affecting value
• Ensure galvanized protection if coastal shipping
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