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[Province: Henan ]   
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Drill collar for Oil Pipe
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Drill collar for Oil Pipe

Price: 1000.0~3000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,WU
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Basic Info.
  • Thickness:: 38 - 53 mm 
  • Standard:: API 5DP,API 
  • Grade:: 35CrMo4,Cr-Mo alloy 
  • Certification: API 
  • Model Number:: 35CrMo4,Cr-Mo alloy 
  • Secondary Or Not: Non-secondary 
  • Application:: Oil Pipe 
  • Outer Diameter:: 79.4 - 279.4 mm 
  • Surface Treatment: Other 
  • Section Shape:: Round 
  • Model No.: 35CrMo4,Cr-Mo alloy 
  • Place of Origin: Henan  
  • Min.Order: 5 Metric Ton
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 500 Metric Ton/Metric Tons per Month
  • Packing:in Bundles
  • Delivery Date: 20-30 days

 Thickness: 38 - 53 mm
Grade: 12CrMo,35CrMo4,15MnV
Outer Diameter: 79.4 - 279.4 mm
Application: Drill Pipe

  The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity.

Drill Collar Number

O.DI.DLengthBevel DiameterRefbend g Strength ratio
mminmmin(mm)
NC23-3179.43 1/831.81 1/2915076.22.57:1
NC26-35(2 3/8 IF)88.93 1/238.11 1/2915082.92.42:1
NC31-41(2 7/8 IF)104.84 1/850.829150100.42.43:1
NC35-47120.64 3/450.829150114.72.58:1
NC38-50(3 1/2 IF)127557.22 1/491501212.38:1
NC44-60152.4657.22 1/49150&9450144.52.49:1
NC44-60152.4671.42 13/169150&9450144.52.84:1
NC44-62158.86 1/457.22 1/49150&9450149.22.91:1
NC46-62(4IF)158.86 1/471.42 13/169150&94501502.63:1
NC46-65(4IF)165.16 1/257.22 1/49150&9450154.82.76:1
NC46-65(4IF)165.16 1/271.42 13/169150&9450154.83.05:1
NC46-67(4IF)171.46 3/457.22 1/49150&9450159.53.18:1
N50-67(4 1/2 IF)171.46 3/471.42 13/169150&9450159.52.37:1
NC50-70(4 1/2 IF)177.8757.22 1/49150&9450164.72.54:1
NC50-70(4 1/2 IF)177.8771.42 13/169150&9450164.72.73:1
NC50-72(4 1/2 IF)184.27 1/471.42 13/169150&9450169.53.12:1
NC56-77196.87 3/471.42 13/169150&9450185.32.70:1
NC56-80203.2871.42 13/169150&9450190.13.02:1
6 5/8 REG209.68 1/471.42 13/169150&9450195.72.93:1
NC61-90228.6971.42 13/169150&9450212.63.17:1
7 5/8 REG241.39 1/276.239150&9450223.82.81:1
NC70-97247.69 3/476.239150&9450232.82.57:1
NC70-1002541076.239150&9450237.32.81:1
8 5/8 REG279.41176.23
266.72.84:1

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Mr. feng
Tel: 86-371-86059106
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Henan Jianhui Construction Machinery CO.,LTD
15F,No.3 Building,Futian Fortune Plaza Hanghai East Road, Zhengzhou, Henan, China (Mainland)
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