NEWS
13
2019
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12
The function and fixing method of water hole of roller bit
Bit water hole is an important organ in drilling to make full use of bit hydraulic power, to make high-speed liquid directly shoot to the bottom of the well, to fully remove cuttings at the bottom of the well, and to improve drilling efficiency. It is mainly composed of nozzle, circlip and sealing ring.
13
2019
/
12
How does a cone bit break rocks
During drilling, the bit and its cone rotate around the axis of the bit, the cone teeth rotate around their own axis under the action of the formation rock resistance, and the teeth alternately contact the bottom of the well with single and double teeth.
13
2019
/
12
The function and fixing method of water hole of roller bit
Bit water hole is an important organ in drilling to make full use of bit hydraulic power, to make high-speed liquid directly shoot to the bottom of the well, to fully remove cuttings at the bottom of the well, and to improve drilling efficiency. It is mainly composed of nozzle, circlip and sealing ring.
13
2019
/
12
Development direction and application method of scraper bit
The geometry of the blade of the diamond scraper bit is basically the same as that of the carbide scraper bit, in which only part of the carbide blocks in the hole and groove of the blade are replaced by polycrystalline diamond impregnated blocks.
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