Underbalanced Drilling Pump from Canada
Specialized reciprocating pump maintaining underbalanced pressure during drilling to prevent formation damage. HTS 8413.50.0010 as oil field reciprocating positive displacement pump.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include reservoir pressure maintenance specifications and gas handling capacity
• Document mist/gas separator integration for underbalanced operations
• Specify flowmeter accuracy for precise pressure control verification