..............page:13-17+22
Drilling Technology of the Deepest Hole in Lingbao Gold Field of Xiaoqinling
CHAI Shi-gang;SANG Dong-kai;ZHANG Xiao-he;LIU Jian-hua;WANG Jian-hong;LI Da-peng;LUO Yong-gui;No.4 Geological Exploration Institute;Henan Provincial Bureau of Geo-exploration and Mineral Development;Hubei Land Resources Vocational College;No.3 Geological Exploration Institute;Henan Provincial Bureau of Geo-exploration and Mineral Development;
..............page:23-26
..............page:43-48+70
..............page:49-51+57
Analysis on Rock Cutting Mechanism Model and the Experimental Study
HE Lu-zhong;ZHOU Qin;LI Bin-bin;DU Yao-sen;School of Engineering and Technology;China University of Geosciences;Key Laboratory on Deep Geodrilling Technology of Ministry of Land and Resources;China University of Geosciences;The Institute of Exploration Techniques;CAGS;
..............page:85-88
..............page:94-100
..............page:101-108+113
..............page:109-113
High-speed Top-drive Rig for Deep Core Drilling
ZHU Jiang-long;ZHANG Wei;HUANG Hong-bo;HU Shi-you;LIU Yue-jin;China Geological Equipment Group Co.;Ltd.;China University of Geosciences;China Geological Survey;Institute of Exploration Technology;CAGS;
..............page:114-119
..............page:120-125
..............page:126-129
..............page:130-132+138
..............page:133-138
..............page:139-142+145
..............page:143-145
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..............page:151-157
..............page:158-162