Consistency evaluation of three advanced stress measurement techniques upon Dual Core-bit Coring, Compact Conical-ended Borehole Overcoring and High Stiffness Hydraulic Fracturing at Kamioka mine, Japan

Yokoyama, Tatsuya

Consistency evaluation of three advanced stress measurement techniques upon Dual Core-bit Coring, Compact Conical-ended Borehole Overcoring and High Stiffness Hydraulic Fracturing at Kamioka mine, Japan

Tatsuya Yokoyama, OYO Corporation, Tokyo, Japan, Takatoshi Ito, Tohoku University, Institute of Fluid Science, Sendai, Japan, Kazuhiko Tezuka, Japan Petroleum Exploration (JAPEX), Chiba, Japan and Akio Funato, Fukada Geological Institute, Tokyo, Japan