Drilling Collar
The drill collars for saleis at the bottom of the drill string and is a major component of the lower hole assembly. Its main feature is that the wall thickness is large (generally 38~53mm, which is equivalent to 4~6 times of the wall thickness of the drill pipe), and it has greater gravity and rigidity. In order to facilitate the drilling work, the elevator slot and the slip groove can be processed on the outer surface of the internal thread of the drill collar.
non mag drill collars for saleintroduction
Made of rolled or forged AISI 4145H chrome-molybdenum alloy steel for effective control of chemical and trace element content.
For more information about drill collar types, please feel free to contact us!
If you are looking for a reliable drill collar supplier, don't hesitate to contact us!
There are many oil equipment suppliers, but we are one of the best choices for you.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
Cementing Head | cement head oilfieldused in the oilfield is designed to hold a cementing plug before it is pumped down the casing during the cementing operation. I... |
 |
BW400/10 Horizontal Three Cylinder Reciprocating Single Acting Piston Pump | BW400/10 mud pump is widely used in mining, drilling, coal, railway, highway, water conservancy and hydropower, bridges, high-rise buildings, found... |
 |
BW1500/12 Horizontal Four Cylinder Reciprocating Single Acting Piston Pump | Four 1500/12 mud pump is horizontal four cylinder reciprocation single acting piston pump. It is widely used in mining, drilling, coal, railway, h... |
 |
Fishing Magnet | Magnet fishing equipmentis a junk retrieval tool designed to retrieve small metal, odd-shaped objects such as mill metal shavings, bit cones, cutte... |
 |
Guide Shoes | SAIGAO GROUPGuide Shoes are attached to the lowermost end of the casing string to provide a low-cost method of enabling the casing to pass ledges o... |
