73mm DZ240 Core Barrel Core Tube Drilling Rod For Core Drilling API ISO9001

73mm DZ240 Core Barrel Core Tube Drilling Rod For Core Drilling API ISO

1. Description of Products

Core barrel or core tube -In core drilling, a section of pipe attached to the top of the bit to hold and protect the core.When drilling, it also ACTS as a guide drill tool.

An ordinary core tube is just a seamless steel tube with a wire at both ends, with a diameter slightly smaller than that of the drill bit (2~4 mm).The length of a single core pipe is 3~ 45 meters.

In order to prevent the bending of drilling hole, several core pipes can be connected to form a long and thick diameter drilling tool.Special core pipes, such as double core pipes, are often used for drilling in special formations (such as loose and broken formations).

2. Specifications of Core Barrel

3. Features of Core Barrel

The single-acting double-layer core barrel drilling tool has simple structure, easy operation, good coaxiality and long service life, which can effectively improve the adoption rate of rock and ore core and ensure the integrity of rock and ore core.

4. Drill Tube Using Notes

a. New drill tube should be pasted thread oil before connection

b. Make up and break at least 3 times before drilling

c. Hard bending and plastic coating can be processed according to costumer special requirement.