Main / Catalogue / Drill pipes for drill rigs / Drill pipe gost 7909-56
Drill pipe gost 7909-56
The drill pipes with ends placed inside are manufactured according to GOST 7909-56 and are applied in exploration and core drilling. Two drill pipes are connected with the help of coupling and tool-joint and must be manufactured from the steel of the same grade. GOST 7909-56 pipes are distinguished by their high strength and reliability; they are manufactured by means of a seamless approach and can be drilled to the depth of up to 2000 m.
| Outer drill pipe diameter | Outer coupling diameter | Coupling length (nominal./limit deviation) | Coupling weight, kg |
| 42 |
57+0,9 |
130(+3) | 1,4 |
|
50 |
65+1,0-0,7 |
140(+3) |
1,7 |
|
63,5 |
83+1,2-0,8 |
150(+3) |
2,9 |
Payment and delivery
You can pay the order by bank transfer. We conclude the contract for production and delivery, and we establish terms of production. After payment, we launch production and deliver finished products in sea containers through a transport company. Approximate production time composes 30 days. Delivery time is set by the transport company.
Also offer:
Drilling pipes and drilling rods from the manufacturer
