Quality API 5DP NS-1 oilfield HW Heavy Weight Drill Pipe

1.HW Drill Pipe by weiling 2.Internal Upset Transit area 3.Equipped with Make &Break Machine,cold rolling of the threads

The first place domestic sale,the top three place global sale 1.OD: 2 3/8", 2 7/8", 3 1/2", 4" ,4 1/2", 5", 5 1/2" ,6 5/82.Steel grade: E75,X95,G105,S135 3.Certificates : API 5DP,NS-1

 4. Length:

                           R1:  5.3-7.9m

                           R2: 8.5-11.5m

                           R3:11.5-14.5m

 5.Internal Coating : TK34 , TC2000, TC3000

 6.Hardbanding : ARNCO 100XT ,  200XT,  & 300XT  , BOTN3000 , ARMACOR M

Product  Process

Special Feature Ⅰ

HW Drill Pipe by welding—OD 3-1/2“to 5-1/2’

   tool joints made separately

   sufficient heat treatment, physical property optimized

   easy for threading and surface treatment, more accurate on dimensional control

   MTI 400BX welder stable and reliable plus mature and advanced heat treatment to realize high  strength seamless connection

    length guaranteed and tailored as customer request

  Special Feature Ⅱ

Internal Upset Transit area

   120~160mm long

   Transition area long & Smooth, the best in the world

 Special Feature Ⅲ

   Equipped with Make & Break Machine, DP-Master can perform make & break testing as per customer   requirement.

   Also, cold roiling of the threads can be carried out as per customer demand.

   In line with NS-1requirement. 

Proprietary product——Tool Joint

  1.DPDS——Double Shoulder Tool Joint Developed by DP-Master 

  apart from the primary seal,secondary torque shoulder is designed

  secondary torque shoulder increases the total size of torque capacity

  secondary torque shoulder can greatly improve torque capacity

  torque capacity increase 30% to 50% than normal API standard tool joint

  suitable for drilling activities of high pumping pressure,high flow and high torque

  specially desighed for deep and super deep well drilling,directional and horizontal wells

2.API Standard Tool Joint

Item: NC26, NC31 ,NC38, NC40, NC46, NC50, 5 1/2FH

OD: 3 3/8 ~ 7 1/2 inch

LPC: 3~5 inch

Primary Shoulder Torque:6875~87341(ft · lb)

Secondary Shoulder Torque:2066~41571(ft · lb)

The torque value of the primary shoulder is API standard torque value

The torque value of the primary shoulder is the enhanced torque by the secondary shoulder

About our factury

 DP-Master's Equipment 

   DP-Master's Quality

   DP-Master's Advantages

     Strategic partnership with Tuboscope

          1)Quality Control-Tuboscope Inspection on all New Drill Pipes with Tuboscope Inspection certificates

     Certificate of Inspection ftom Tuboscope

          2)Highest Value

          3)Strong Substance

          4)Gerter Worth

          5)Premium Quality

          6)High reliability

 

     Tuboscope inspection with the most advanced equipment:Truscope ® AS Inspection System

 

 

 Internal plastics coating

 

   DP-Master's Qualification

 NS-1

API5D,API7,API7-1

Hardbanding