Study on the abrasion property of the anvil inside a hydraulic DTH hammer fitted with horizontal oriented sliders

by Jiang-fu He, Qi-lei Yin, Kun Yin
Published 2017-09-01

Theoretical analysis and design of hydro-hammer with a jet actuator: An engineering application to improve the penetration rate of directional well drilling in hard rock formations...

by Jiang-Fu He, Yun-Pei Liang, Li-Jia Li, Yong-Jiang Luo
Published 2018-01-01

Study of drilling muds on the anti-erosion property of a fluidic amplifier in directional drilling

by Jiang-fu He, Peng-yu Zhang, Qi-lei Yin, Kun Yin, Hou-ping Liu
Published 2015-09-01

Permeability improvements of an outburst‐prone coal seam by means of presplitting and blasting with multiple deep boreholes

by Chang‐guo Huang, Yue‐bing Zhang, Jiang‐fu He, Yongjiang Luo, Zhong‐guang Sun
Published 2019-10-01

Study of drilling muds on the anti-erosion property of a fluidic amplifier in directional drilling

by Jiang-fu He, Peng-yu Zhang, Qi-lei Yin, Kun Yin, Hou-ping Liu
Published 2015-10-01