Gravity-Based Production Platform
A fixed-bottom platform using concrete ballast for stability in production. While not floating, classified under 8905.20 for production function.
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Related Products under HTS 8905.20.00.00
Semi-Submersible Drilling Rig
A semi-submersible offshore platform designed for oil and gas drilling operations, with pontoons that allow partial submersion for stability in deep waters. It falls under HTS 8905.20.00.00 as its primary function is drilling, with navigability being subsidiary to support offshore operations.
Spar Production Platform
A deepwater floating platform with a large cylindrical spar hull for oil and gas production, moored in place with minimal navigation capability. It is under HTS 8905.20.00.00 as a submersible production platform where stability and production are primary.
Drillship Production Unit
A self-propelled vessel modified with drilling and production facilities for offshore operations. Classified in HTS 8905.20.00.00 because main functions of drilling and production supersede navigation.
Submersible Oil Production Barge
A barge-type platform that can be submerged for transport and floated for production operations in inland or nearshore waters. HTS 8905.20.00.00 covers its submersible production nature with auxiliary navigation.
Floating LNG Production Platform
A specialized floating facility for liquefying natural gas from subsea wells, including processing and storage. Classified under HTS 8905.20.00.00 for its production platform role.
Mobile Offshore Production Unit (MOPU)
A relocatable platform for temporary oil/gas production, often barge or mat-supported. HTS 8905.20.00.00 due to production primacy.