18-5/8 Inch Protective Casing String
18-5/8 inch welded steel protective casing for intermediate borehole protection in horizontal gas drilling, plain ends. Under HTS 7306.29.41.00 as other casing used in oil/gas drilling. Standard J55 chemistry for cost-effective zonal isolation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sheet metal formed, not fully tubular
Unfinished sheet piles/sections in 7301.
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Related Products under HTS 7306.29.41.00
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This is a seamless steel casing pipe conforming to API 5CT J55 grade specifications, designed for use in oil and gas drilling to line the borehole and prevent collapse. It falls under HTS 7306.29.41.00 as 'other' casing of iron or steel used in drilling for oil or gas, excluding those with attached fittings. The pipe's wall thickness and diameter meet standard oilfield requirements for intermediate casing strings.
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