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[China]
Trade Verify
Address: Yongqing Industrial Zone, Langfang, Hebei, China
Contact name:Lily Gao
Langfang Baiwei Drill Co., Ltd. |
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Verified Suppliers
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Customized Drill Pipe For Oil Well Drilling Double Wall Drill Pipe
Product Description
1. Name: Double wall drill pipe
2. Size: DP89/40-DP219/150
3. Standard: ISO API
4. Certification: ISO API
High strength double tube drilling pipe for air reverse circulation drilling in open pit mining.
Length can be made as per customer requirements, such as 1m, 1.5m, 2.0m, 3.0m, 4.5m, 6m etc.
Diameter: 102mm, 108mm, 114mm etc.
| Type | O.D.of the outer tube (mm) | I.D.of the inner tube (mm) | Outer diameter of joint (mm) | Type of threads | Effective length (m) |
| WK76/32 | 76 | 32 | 78 | 3"Remet | 3 |
| WK102/41 | 102 | 41 | 103 | 4"Remet | 3,6 |
| WK114/52 | 114.3 | 52 | 116 | 4 1/2"Remet | 3,6 |
| WK114/38 | 114.3 | 38 | 114.3 | 4 1/2"Metzke | 3,6 |
| WK114/50 | 114.3 | 50 | 114.3 | 4 1/2"Remet | 3,6 |
Optimal design
Drill rods through the dispersion of equal strength And stress optimal design, can give full play to the Potential of drill material.
Forged connector
Connector material had been forged, that have Improved material density, changed the fibrous Texture of the material, so that the general mechanical Properties of the material have been more improved Nitride, phosphide or copper plating processing Nitride, phosphide or copper plate processing to the rod ends Have ensured thread anti-corrosion, anti-bonding, and improved Joint surface fatigue resistance.
Application
It has applied successfully in gas exploration, drilling, geothermal well drilling and mine rescue hole and a ventilation hole construction, etc.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 7-30 days if the goods are in stock. or it is
30-60 days if the goods are not in stock, it is according to
quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample need to pay the cost of products
and freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
