Langfang Baiwei Drill Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 10-30 working days, which will be adjusted according to different products and inventory |
| Packaging Details | With iron |
| 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 |
| Brand Name | Long way |
| Place of Origin | Hebei China |
| Model Number | 4.5" |
| Certification | ISO9001 |
View Detail Information
Explore similar products
high speed 114mm Reverse Circulation Drill Pipe 4 1/2" Remet Double Wall Pole
API Double Wall 219mm O.D. Double Wall Drill Pipe S135 Steel Grade
51/2FH Threads R780 Steel Grade Drill Steel Rod / Drilling Through Steel Pipe
API Trenchless DP89/40 Size Double Wall Drill Pipe 114.3mm O.D.
Product Specification
| Payment Terms | T/T | Delivery Time | 10-30 working days, which will be adjusted according to different products and inventory |
| Packaging Details | With iron | 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 |
| Brand Name | Long way | Place of Origin | Hebei China |
| Model Number | 4.5" | Certification | ISO9001 |
| High Light | reinforced concrete dual wall drill pipe ，water well dual wall drill pipe ，reinforced concrete double wall drill pipe | ||
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.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
12,000,000-20,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
LANGFANG BAIWEI DRILL CO.,LTD LangFang Baiwei Drill Co.,Ltd located in the center of Beijing, Tianjin and Hebei-Yongqing Industrial Area. Langfang Hebei. Our company is a drilling tools manufacturing enterprisewith integration of design, geological, well, double wall, oil, ... LANGFANG BAIWEI DRILL CO.,LTD LangFang Baiwei Drill Co.,Ltd located in the center of Beijing, Tianjin and Hebei-Yongqing Industrial Area. Langfang Hebei. Our company is a drilling tools manufacturing enterprisewith integration of design, geological, well, double wall, oil, ...
Get in touch with us
Leave a Message, we will call you back quickly!