Gold Member Since 2009
Audited Supplier
Chance Door International Co., Ltd.

Oil tube, oil pipe, oil casing manufacturer / supplier in China, offering Drilling Pipe - Drill Collar, Hydraulic Station, Oil Christmas Tree for Wellhead and so on.

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Drilling Pipe - Drill Collar

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Production Capacity: 1000 pcs/month
Transport Package: bulk packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CDOT
  • Power Type: Diesel
  • Condition: New
  • Trademark: Chance Door
  • Origin: China
  • Usage: Oil Drilling
  • Type: Rotary Drilling Rig
  • API: 7k
  • Specification: API
  • HS Code: 84314310
Product Description
The drill stem / drill string including DP (drill pipe), HWDP (heavy weight drill pipe), DC (drill collar), Kelly etc. The accessories, such as tool joint, drilling tool lifting sub, cross-over sub and so on are also available according to customers' detailed requirements.
 Nominal size D d Lmm DF(mm) Bending Strength ratio
 mm In mm in
 NC31-41(2-7/8IF)104.82004-1-850.829150100.4 2.43:1
 NC35-47120.72004-3-450.829150114.7 2.58:1
 NC38-50(3-1/2IF)127557.22002-1-49150121 2.38:1
 NC44-60152.4657.22002-1-4 9150/9450144.5 2.49:1
 NC44-60152.4671.42016-2-13 9150/9450144.5 2.84:1
 NC44-62158.82006-1-457.22002-1-4 9150/9450149.2 2.91:1
 NC46-62(4IF)158.82006-1-471.42016-2-13 9150/9450150 2.63:1
 NC46-65(4IF)165.12006-1-257.22002-1-4 9150/9450154.8 2.76:1
 NC46-65(4IF)165.12006-1-271.42016-2-13 9150/9450154.8 3.05:1
 NC46-67(4IF)171.42006-3-457.22002-1-4 9150/9450159.5 3.18:1
 NC50-67(4-1/2IF)171.42006-3-471.42016-2-13 9150/9450159.5 2.37:1
 NC50-70(4-1/2IF)177.8757.22002-1-4 9150/9450164.7 2.54:1
 NC50-70(4-1/2IF)177.8771.42016-2-13 9150/9450164.7 2.73:1
 NC50-72(4-1/2IF)184.22007-1-471.42016-2-13 9150/9450169.5 3.12:1
 NC56-77196.82007-3-471.42016-2-13 9150/9450185.3 2.70:1
 NC56-80203.2871.42016-2-13 9150/9450190.1 3.02:1
 6-5/8REG209.62008-1-471.42016-2-13 9150/9450195.7 2.93:1
 NC61-90228.6971.42016-2-13 9150/9450212.7 3.17:1
 7-5/8REG241.32009-1-276.23 9150/9450223.8 2.81:1
 NC70-97247.62009-3-476.23 9150/9450232.6 2.57:1
 NC70-1002541076.23 9150/9450237.3 2.81:1

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