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《Acta Scientiarum Naturalium Universitatis Pekinensis》 2011-05
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Effect of Carbonate Rock to Development of Structural Fracture in the Area of Keping, Xinjiang, China

ZHANG Peng1,2,HOU Guiting1,2,,PAN Wenqing3,JU Yan3,ZHANG Qinglian1,2,LI Le1,2,SHU Wulin1,2 1.The Key Laboratory of Orogenic Belts and Crustal Evolution(MOE),School of Earth and Space Sciences,Peking University,Beijing 100871;2.Institute of Oil and Gas Research,Peking University,Beijing 100871;3.Institute of Petroleum Exploration and Development,Tarim Oilfield Company,Petrochina,Korla 841000  
Four sections of dolomite,grainstone,micritic limestone and granulir micritic limestone in Dawangou of Keping area are selected,and their structural fractures are statistically analyzed.The results of fracture density measurements show that the value of the fracture density from big to small is dolomite,grainstone,micritic limestone and granulir micritic limestone,which means in the same tectonic setting dolomite is easier to produce structural fracture.Also,the purer and the bigger granules the carbonate have,for example limestone,the more difficulty to produce structural fracture.The relationship between the structural fracture and the rock mechanics parameters is discussed.
【Fund】: 国家重大专项(2008ZX05029-001);; 中国石油天然气股份有限公司塔里木油田分公司资助
【CateGory Index】: P618.13
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