Products Category
HEAVY WEIGHT DRILL PIPE
2014-10-30 Browse:1642times
Heavy Weight Drill Pipe (HW DP ) is an intermediate weight drill stem component which is used in conjunction with the drill pipes and drill collars. T I A n HE HWDP is available in standard, spiral and non- magnetic designs. In some applications, heavy-weight drill pipes also can be used instead of the drill collars.
TIANHE HWDP is made from one-piece AISI
4145H modified quenched and tempered st eel. I t is designed f or t ough drilling environment in vertical and directional wells. TIA n HE 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.
