THE RELATIONSHIP BETWEEN P-AND S-WAVE VELOCITY RATIO, MODULUS OF ELASTICITY AND FLUIDS CONTAINED IN ROCKS

Xinjiang Petroleum Geology ›› 1998, Vol. 19 ›› Issue (5): 369-371.

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THE RELATIONSHIP BETWEEN P-AND S-WAVE VELOCITY RATIO, MODULUS OF ELASTICITY AND FLUIDS CONTAINED IN ROCKS

Huang Kai, Xu Qunzhou, Yang Xiaohai, Lai Zhongkang, Zhang Lufei

Research Institute of Geophysics, Xinjiang Petroleum Administration Bureau, Urumqi 830011

Received:1997-07-22 Online:1998-10-01 Published:2020-09-19
About author:Huang Kai, Senior Engineer, Geophysical Prospecting

Abstract

Abstract: Based on experimental simulation test of core in western Junggar basin, it is considered that P- and S-wave velocity ratio, Poissons ratio, Youngs modulus and Lames constant of core samples saturated with water are bigger than those of core samples saturated with oil ;while the volume and shear moduluses of core samples saturated with water are smaller than those of core samples saturated with oil.Modulus of elasticity of rock is also related to porosity, the larger the porosity, the smaller the modulus of elasticity, and vice versa.The modulus of elasticity of rock increases or decreases with experimental pressure increasing or decreasing.Above-mentioned characteristics of rock can be basically and possibly used for detection of distribution of oil, gas and water in rock by applying geophysical prospecting data.

Key words: PV/SV, Modulus of elasticity, Shear modulus, Poissons ratio, Core sample, Simulation test, Reservoir fluid, Decision

Huang Kai, Xu Qunzhou, Yang Xiaohai, Lai Zhongkang, Zhang Lufei. THE RELATIONSHIP BETWEEN P-AND S-WAVE VELOCITY RATIO, MODULUS OF ELASTICITY AND FLUIDS CONTAINED IN ROCKS[J]. Xinjiang Petroleum Geology, 1998, 19(5): 369-371.

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THE RELATIONSHIP BETWEEN P-AND S-WAVE VELOCITY RATIO, MODULUS OF ELASTICITY AND FLUIDS CONTAINED IN ROCKS

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