Spiral Heavy Weight Drill Pipe

XINRUIDE HWDP is made from one-piece AISI4145H modified quenched and tempered steel.It is designed for tough drilling environment in vertical and directional wells XINRUIDE HWDP is a transition member between drill collar and drill pipe.For directional holes HWDP provides weight-on-bit and additional stiffness to prevent buckling.

Features and Benefits

● A center upset or wear pad to increase tube life,reduce hole drag and differential sticking problems;

● Connections are completed (phosphate coated) to protect them from the elements after machining and to help prevent galling upon initial make-up;

● Thread roots are cold rolled on API and H-90 connections.And pressed steel thread protectors are supplied for standard connections;

● Hardbanding and internal coating can be provided on customer's request.