Reverse Circulation Od 114mm Double Wall Drill Pipe Used for well drilling
Brand Name:Long way
Certification:ISO9001
Model Number:4.5"
Minimum Order Quantity:30pcs
Delivery Time:20-30 working days, which will be adjusted according to different products and inventory
Payment Terms:T/T
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Verified Supplier
Location:
Langfang Hebei China
Address:
Yongqing Industrial Zone, Langfang, Hebei, China
Supplier`s last login times:
within 48 hours
Product Details
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Product Details
Premium double wall drill pipe/reverse circulation drill pipe
Product Description:
The double-wall drill pipe is used for RC drilling, the circulating medium passes through the gap between the double-wall pipes during operation, effectively bringing the sample out of the hole, while protecting the hole from collapse, matching our RC air (water) rotation, GQ pneumatic hollow The DTH hammer can continuously complete the acquisition of samples.
Double wall drill pipe
| Type | O.D.of the outer tube (mm) | I.D.of the inner tube (mm) | Outer dianeter of joint (mm) | Type of threads | Effective length (m) |
| WB114/65 | 114 | 65 | 156 | 41F | 6 |
| WB127/76 | 127 | 76 | 162/168 | 41/21F | 6 , 9.5 |
| DB127/76 | 127 | 76 | 184 | 51/2FH | 9.5 |
| WB140/88 | 139.7 | 88 | 184 | 51/2FH | 6,9.5 |
| WB219/130 | 219 | 130 | 240 | Factory standard | 6,9.5 |
| 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 |
Drill pipe usage notes:
1. Before connecting the new drill pipe, apply thread oil on the
threads
2. Trim and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to
the special requirements of customers.
Advantages of our products
Our company has been producing double wall drill pipe for more than ten years, and the technology is mature. The rod body is made of high-quality materials and the joint friction welding process is used to fully integrate the rod body with the joint. The strength of drill pipe is ensured. 42CrMo quenching and tempering treatment is adopted for all joints, which are characterized by high strength and good wear resistance.
Our Services:
1. Drill pipe strictly according to API ISO9001 standard.
2. If you found to quality problems within one month of the package returned.
3. All strictly according to the contract and fulfill the obligations and responsibilities.
4. 24 hours online customer service,feel free contact us.
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.
Reverse Circulation Od 114mm Double Wall Drill Pipe Used for well drilling
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