OCTG

Heavy Weight Drill Pipe

HWDP with wall thickness three times ordinary drill pipe, serving as transition stiffness section between drill collars and drill pipe.

Specifications

Size: OD: 2 7/8" – 6 5/8"; Length: Range 2 and Range 3
Weight range: 6.27 #/ft to 27.72 #/ft
End: Internal Upset, External Upset, Plain End Upset, Non Upset
Connections: NC38, NC46, NC50, 5-1/2 FH
Surface: Anti-corrosion & water based paint
Packing: Protection caps in both ends, waterproof paper wrapped
Standards: API 5CT; API 5B (PSL1/PSL2); API Specification 7 / 7-1

Product Overview

HWDP with wall thickness three times ordinary drill pipe, serving as transition stiffness section between drill collars and drill pipe. Wall thickness is three times that of ordinary drill pipe of the same size, adding weight to the drill bit. Features a central upset to prevent excessive buckling.

Specifications and Standards

Specification highlights: Size OD: 2 7/8" – 6 5/8"; Length: Range 2 and Range 3; Weight range 6.27 #/ft to 27.72 #/ft; End Internal Upset, External Upset, Plain End Upset, Non Upset; Connections NC38, NC46, NC50, 5-1/2 FH; Surface Anti-corrosion & water based paint. Standards: API 5CT; API 5B (PSL1/PSL2); API Specification 7 / 7-1.

Applications and Ordering

Connecting joints of tubing or casing. Transition zone in drill strings (between drill collars and drill pipe) Directional / high-angle drilling operations. Send your requirement for a quotation.