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

Drill pipe, drill rig, drill collar manufacturer / supplier in China, offering Drill Pipe (CDDP), Hydraulic Station, Oil Christmas Tree for Wellhead and so on.

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Drill Pipe (CDDP)

FOB Price: US $300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300/ Piece
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Production Capacity: 30000 Piece/Pieces per Month
Transport Package: bulk packing or by buyer
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CDDP
  • Length: 8.84-9.75m
  • Material: High Manganese Steel
  • Trademark: Chance Door
  • Origin: China
  • Certification: CE, API
  • Usage: Oil Mining
  • API: 7k
  • Specification: API
  • HS Code: 84314310
Product Description
Drill pipe
Drill pipe Product Details:
Type Drill Pipe
Certification API
Processing Type Casting
Oil drilling Drilling pipe
Use Well Drilling
Material Stainless Steel
Machine Type Drilling Equipment

- The products are strictly fabricated according to API 5D (for pipe body) and SPEC 7 (for tool joint).

- Connections are phosphatized or copperized in order to reduce the possibility of connection galling.

- Hard banding will be provided if necessary. There are many kinds of hard banding that we can provide such as iron-matrix power Alloy, Arnco-100 XT.

- Internal coating is provided in order to prolong its service life including TK34, TK34P, and DPC.

- Press steel protectors are provided for pin and box tool joint.

- Packing mode: Plastic frame system.

1. EU - External Upset; IEU - Internal & External Upset.
2. Internal coating and hardbanding option upon order.


All pump joints are made from integral bars of AISI 4145H Modified chromium molybdenum alloy steel heat-treadted to drill collar specifications.
These pup joints have a minimum yield strength of 110 000 PSI.
Nominal size: 3 1/2''OD ~ 6~ 5/8'' OD, Length: 5' ~ 20'.
OD GradeWall Thickness Upset Ends,forWeld-on ToolJoints(see note) Tool Joint
2 7/873E.X.G.S0.2175.51EUNC31
3 1/288.9E.X.G.S0.2546.45EUNC38
4 1/2114.3E.X.G.S0.2716.88EU.IEUNC46.NC50
0.512.7IEUNC50.5 1/2FH
5 1/2139.7E.X.G.S0.3047.72IEU5 1/2 FH
0.3619.17IEU5 1/2 FH
0.41510.54IEU5 1/2 FH
6152.4E.X.G.S0.3248.23IEU5 1/2 FH
0.389.65IEU5 1/2 FH
6 5/8168.3E.X.G.S0.338.38IEU5 1/2 FH
0.3629.19IEU5 1/2 FH

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Mr. Alex Lee
Export Manager
To: Mr. Alex Lee

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