Results 271 to 280 of about 141,212 (290)

Investigation of rock breaking mechanism with TBM hob under traditional and free-face condition

Engineering Fracture Mechanics, 2021
Xuhui Zhang, 定邦 胡, Jiaji Pan
exaly  

3D numerical simulation study of rock breaking of the wavy PDC cutter and field verification

Journal of Petroleum Science and Engineering, 2021
Yan Zhao, Ke Gao
exaly  

Experimental and numerical investigations on rock-breaking mechanism of rotary percussion drilling with a single PDC cutter

Journal of Petroleum Science and Engineering, 2022
Yan Xi, Chunqing Zha
exaly  

Insights into the breaking mechanism and fragment pattern of soft rock assisted by free face under TBM wedge cutter indentation

Engineering Fracture Mechanics, 2023
Tie Wang, Hong Zheng
exaly  

A new method to improve rock breaking efficiency by using automatic unloading of bottom hole central stress

Geoenergy Science and Engineering, 2023
Yongwang Liu, Zhe Zhang, Qingli Ji, Jiaxiong Liu, Zhichuan Guan, Jian Zhou, Baoping Lu, Deyong Zou, Xinyan He, Sen Wei   +9 more
openaire   +1 more source

Numerical simulation study on rock-breaking process and mechanism of compound impact drilling

Energy Reports, 2021
Chunqing Zha
exaly  

Rock breaking characteristics of a 3D printing grid-matrix impregnated diamond bit

International Journal of Refractory Metals and Hard Materials, 2020
Jingjing Wu
exaly  

Modelling of critical fragment size and rock breaking efficiency evaluation in drilling process

Powder Technology
Haoteng Wang, Mingming He, Tan Liuxin, Pu Cheng, Xiaoliang Yao, Bo Zhang, Xudong Ma, Qin Zhao   +7 more
openaire   +1 more source

Numerical research on rock breaking performance of water jet based on SPH

Powder Technology, 2015
Xiaohui Liu, Songyong Liu
exaly  

Experiment on rock breaking with supercritical carbon dioxide jet

Journal of Petroleum Science and Engineering, 2015
Shouceng Tian
exaly