基于打滑地层的孕镶金刚石钻头设计

王佳亮; 张绍和

doi:10.3799/dqkx.2016.076

Volume 41 Issue 5

May 2016

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Wang Jialiang, Zhang Shaohe, 2016. Design of Impregnated Diamond Bit Based on Slipping Formation. Earth Science, 41(5): 895-900. doi: 10.3799/dqkx.2016.076

Citation:

Wang Jialiang, Zhang Shaohe, 2016. Design of Impregnated Diamond Bit Based on Slipping Formation. Earth Science, 41(5): 895-900. doi: 10.3799/dqkx.2016.076

Wang Jialiang, Zhang Shaohe, 2016. Design of Impregnated Diamond Bit Based on Slipping Formation. Earth Science, 41(5): 895-900. doi: 10.3799/dqkx.2016.076

Citation:

Wang Jialiang, Zhang Shaohe, 2016. Design of Impregnated Diamond Bit Based on Slipping Formation. Earth Science, 41(5): 895-900. doi: 10.3799/dqkx.2016.076

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Design of Impregnated Diamond Bit Based on Slipping Formation

doi: 10.3799/dqkx.2016.076

Wang Jialiang^1
,,
Zhang Shaohe²

1.
Hunan Province Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Technology, Hunan University of Science and Technology, Xiangtan 411201, China
2.
School of Geosciences and Info-Physics, Central South University, Changsha 410083, China

Received Date: 2015-12-12
Publish Date: 2016-05-15

Abstract

Abstract

Weakening matrix theory was applied on design of the drilling bit in order to improve the drilling efficiency of impregnated diamond bit in hard compact rock formation in this study. The matrix was analyzed with SEM and EDS. The results show that it can help improve drilling rate by putting matrix weakening particle into matrix. Under the process of drilling, the weakening particle can drop easily from matrix developing non-smooth surface; the pressure between surface and rock is increased and the weakening particle participates in wearing matrix, increasing abrasive power of rock powder, promoting speed of diamond metabolism. There is an optimum range for matrix weaken ratio, designing too high or too low simply can not improve drilling rate and bit life.
- weakening matrix,
- diamond bit,
- non-smooth surface,
- particle of weakening matrix,
- weakening ratio,
- engineering geology.

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References(26)

References

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Design of Impregnated Diamond Bit Based on Slipping Formation

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