The Earth Stress Calculation Using Well Logging Data in Dina Gas Field of Xinjiang

Abstract

Abstract: The earth stress distribution and influenced factors in Dina gas field in Xinjiang are analyzed. The parameters required for earth stress calculation are determined, such as the rock mechanics and the inherent rock strength using well log data and available results. Using well log data to analyze earth stress is not only to quickly get the stress profile spreading along the depth, but also to save high cost for measurement. Furthermore, the horizontal stress direction of the target zone in the gas field is determined by means of borehole breakout data, drilling-induced fracture and DSI Fast shear azimuth.

Key words: well logging, rock mechanics, elastic modulus, poise ratio, earth stress

CLC Number:

P631.84

YAN Ping, SUN Jian-meng, SU Yuan-da, LI Zhao-cheng, CHENG Rong-hong, WANG Huan-zeng. The Earth Stress Calculation Using Well Logging Data in Dina Gas Field of Xinjiang[J]. Xinjiang Petroleum Geology, 2006, 27(5): 611-614.

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The Earth Stress Calculation Using Well Logging Data in Dina Gas Field of Xinjiang

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