Heavy Duty Integral Drill Pipe for Oil Drilling/Oil Drill Pipe

Min.Order: 30

Product origin: Dongying, Shandong, China

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US$ 50 ~ 150

Description

API 7-1 HWDP Heavy Weight Drill Pipe for drilling

Integral heavy weight drill pipe is manufactured from AISI 4142H-4145H modified drill collar material according to SY/T
5146-1997,thick-walled pipe called integral heavy weight drill pipe was developed to provided a gradual transition from the heavy
drill collars to the relatively light weight drill pipe. This intermediate weight pipe has a wall thickness of approximately, and
helps prevent stress concentration at the top of the drill collars. It also allows you to drill at higher rpms, reducing torque
and differential pressure sticking. It is intended primarily for directional drilling. Because it bends easily, it simplifies
directional control and minimizes connection fatigue problems common to high angle or horizontal drilling. The reduced number of
pipe failures and increased drill stem service also make it appropriate for some straight-hole applications.

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Product Name		API 5DP standard HWDP/AISI 4145H Integral Heavy Weight Drill Pipe in oil and gas well drilling with hardfacing and coating
Standard		API 5DP
Grade	Drill Pipe Body	SL.1: E, X, G, S / SL.2: G, S
	Tool Joint	SL.1, SL.2, SL.3
Minimum Order Quantity		10 Ton
Outside Diameter Ranges		23/8 inch to 65/8 inch
Wall Thickness		6.45mm to 12.70mm
Length		R1: 6.10-7.01m / R2: 8.84-9.75m / R3: 12.19-13.72
Type		Seamless / Welded
Upset Style		IU, EU, IEU
Rotary Shouldered Connection Style		NC40, NC46, NC26, NC31, NC38, NC50, 51/2FH, 65/8FH