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Progress in drilling technology and equipment under complex geological conditions in coal mines in China

Progress of drilling technologies and equipments for complicated geological conditions in underground coal mines in China

YAO Ningping, WANG Yi, YAO Yafeng, SONG Haitao, WANG Li, PENG Tao, SUN Xinsheng

2020, 48(2): 1-7. doi: 10.3969/j.issn.1001-1986.2020.02.001

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ATO mode-based modular platform development of variable luffing crawler drilling rig used in underground coal mine

SONG Haitao, YAO Ningping, YAO Yafeng, HAN Jian, PENG Tao

2020, 48(2): 8-13,19. doi: 10.3969/j.issn.1001-1986.2020.02.002

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Development situation and prospect of luffing mechanism of drilling rig in underground coal mine

YAO Yafeng, YAO Ningping, PENG Tao

2020, 48(2): 14-19. doi: 10.3969/j.issn.1001-1986.2020.02.003

Abstract PDF [Cited By]
Key technology for rapidly drilling large diameter destressing-drillhole in rockburst coal seam

WEI Hongchao, WANG Yi, WANG Bo

2020, 48(2): 20-24. doi: 10.3969/j.issn.1001-1986.2020.02.004

Abstract PDF [Cited By]
Foam drilling technology and application for broken soft coal seam in underground coal mine

JI Qianhui, DONG Mengmeng, LIU Jianlin, SHI Lei

2020, 48(2): 25-29. doi: 10.3969/j.issn.1001-1986.2020.02.005

Abstract PDF [Cited By]
Development of small diameter hydraulic agitator with cable for directional drilling in underground coal mine

WANG Li, XU Baolong, WANG Yi, HUANG Hanjing, JIA Mingqun, MA Bin

2020, 48(2): 30-35,41. doi: 10.3969/j.issn.1001-1986.2020.02.006

Abstract PDF [Cited By]
Directional drilling technology and equipment of pneumatic screw motor in soft seam

ZHANG Jie, WANG Yi, HUANG Hanjing

2020, 48(2): 36-41. doi: 10.3969/j.issn.1001-1986.2020.02.007

Abstract PDF [Cited By]

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Vol.52, No.2

25 February 2024

ISSN 1001-1986

CN 61-1155/P

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