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| Categories | Double Wall Drill Pipe |
|---|---|
| Brand Name: | Longway |
| Place of Origin: | China |
| Price: | Negotiable |
| Payment Terms: | T/T |
| Delivery Time: | 10-30 working days, which will be adjusted according to different products and inventory |
| Packaging Details: | According to clients' needs |
| Model Number: | 4.5" |
| Certification: | ISO9001 |
| MOQ: | 1 |
| Name: | Double Wall Drill Pipe |
| Type: | Drill Pipe |
| Color: | request |
| Advantage: | High quality and factory price |
| Model: | WB114/52 |
| O.D. of the other tube (mm): | 114 |
| Other diameter of joint (mm): | 52 |
| Outer dianeter of joint (mm): | 116 |
| Effective length (m): | 6 |
| Supply Ability: | 20-30 working days, which will be adjusted according to different products and inventory |
| Company Info. |
| Langfang Baiwei Drill Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Reverse circulation double wall drill pipe
Use of reverse circulation drill pipe
1. It is suitable for drilling water wells including complex formations, and can be used as mud as flushing fluid in formations prone to collapse to protect the hole wall
2. It is especially suitable for drilling large diameter holes, such as gas drainage wells, coal mine rescue wells, coalbed methane wells and shale gas wells
3. It is not suitable for drilling in dry and lost formation
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.
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 |
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.
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