| Model: | 3-1/2 4-1/4 5-1 |
|---|---|
| Brand: | WEI GAO |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Energy / Petroleum |
| Label: | Square kelly , hexgaonal kelly , drill pipe |
| Price: |
¥1000
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:13 Oct, 2015 |
Specifications
exploration for petroleum geothermal coalfield;
active drill pipe;standard of SY/T6509-2000 or API SPEC.7-1.
Weight: 1 (T)
Model: 3-1/2 4-1/4 5-1/4
Bore diameter: 50.857 71.4 (mm)
Alias: active drill pipe
Drilling depth: 12.2 (m)
Drilling angle: 90 (degrees)
Application: oil geothermal ,coal exploration
Dimensions: 89 108 133 (mm)
Square Kelly and Hexagonal Kelly
1. Specification
2. Description
AISI4145H alloysteel is used in producing the Kellies. Kelly’s’end, drive cross-section and joint are all processed and
tested in terms of API.
3. Main Function
Kellies are the drive section of the whole drill stem.
The manufacturing of the products refers to the standard of SY/T6509-2000 or API SPEC.7-1.
