1. 中国地质大学（北京）地球物理与信息技术学院，北京 100083
2. Department of Mathematical Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413, USA
3. 中国石油测井重点实验室，中国石油，北京 100083
4. 中国石油海外勘探开发公司，北京 100034
Relation between relative permeability and hydrate saturation in Shenhu area, South China Sea
Li Chuan-Hui1, Zhao Qian2, Xu Hong-Jun3, Feng Kai4, and Liu Xue-Wei1
1. School of Geophysics and Information Technology, China University of Geosciences (Beijing), Beijing 100083, China.
2. Department of Mathematical Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413, USA.
3. Key Lab of Well Logging, PetroChina, Beijing 100083, China.
4. China National Oil and Gas Exploration and Development Corporation, Beijing 100034, China.
Abstract：
Nuclear magnetic resonance measurements in hydrate-bearing sandstone samples from the Shenhu area, South China Sea were used to study the effect of gas hydrates on the sandstone permeability. The hydrate-bearing samples contain pore-filling hydrates. The data show that the pore-filling hydrates greatly affect the formation permeability while depending on many factors that also bear on permeability; furthermore, with increasing hydrate saturation, the formation permeability decreases. We used the Masuda model and an exponent N = 7.9718 to formulate the empirical equation that describes the relation between relative permeability and hydrate saturation for the Shenhu area samples.
LI Chuan-Hui,ZHAO Qian,XU Hong-Jun et al. Relation between relative permeability and hydrate saturation in Shenhu area, South China Sea[J]. APPLIED GEOPHYSICS, 2014, 11(2): 207-214.
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2014, Vol. 11 
