OD 114mm Water Well Drill Pipe 4 1/2" Remet Thread Black
High Quality Water Well Drill Pipe OD 114mm 4 1/2" Remet Thread Black
114mm 4 1/2" remet double-wall pole reverse circulation
Product Description:
With reverse circulation drill pipe, compared with normal circulation, the drilling efficiency is greatly improved due to the quick return of cuttings from the inner pipe, strong cuttings carrying capacity and clean hole bottom. The water consumption is very small, and it is especially suitable for drilling in the dry lost formation. The use of external flat double wall drill pipe can solve the problem of drilling in collapsed, broken and keyhole formations.
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.
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.
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