drill pipe Products
Автор: ROSCHEN Drilling
Загружено: 2020-05-18
Просмотров: 687
Описание:
The drill pipe is a steel pipe with a tail wire at the rear for connecting the rig surface equipment and the drilling tool or bottom hole device at the bottom of the drilling. The purpose of the drill pipe is to transport the drilling mud to the drill bit and to raise, lower or rotate the bottom hole device with the drill bit. The drill pipe must be able to withstand significant internal and external pressure, twist, bend and vibrate. In the oil and gas extraction and refining process, the drill pipe can be used multiple times
https://www.roschenmining.com/dth-dri...
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