- LIU Peng
LIU Peng
No.2 Exploration Institute of Geology and Mineral Resources of Qinghai Province
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Search for this author on this site - WANG Dao-kuan
WANG Dao-kuan
Faculty of Engineering, China University of Geosciences
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Search for this author on this site - WU Xiao-ming
WU Xiao-ming
Faculty of Engineering, China University of Geosciences
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Search for this author on this site - ZHAO Shan-shan
ZHAO Shan-shan
Faculty of Engineering, China University of Geosciences
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No.2 Exploration Institute of Geology and Mineral Resources of Qinghai Province,Faculty of Engineering, China University of Geosciences,Faculty of Engineering, China University of Geosciences,Faculty of Engineering, China University of Geosciences
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In order to evaluate and analyze the stratum fragmentizing situation in Yemaquan mining area of Qinghai, 6 evaluation indexes are put forward: broken specific surface, broken block, porosity of rocks, rock disintegration rate, coefficient of rock integrity, compressive strength of rock. The fragmentized stratum classification standard is established by using fuzzy mathematical evaluation system and combining with rock fragmentized degree index; and combined with the drilling site situation of Yemaquan mining area, the fragmentized stratum is divided into 5 categories. A targeted drilling fluid system is studied out for fragmentizing stratum.
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History
- Received:May 18,2013
- Revised:October 03,2013
- Adopted:October 09,2013
- Online: November 29,2013
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