Geophysical Anomaly Characteristics of Gas Hydrate Zone in Northern South China Sea

Abstract

Abstract: Based on the geophysical data of gas hydrate prospecting area in northern South China Sea, the correlation analysis of the seismic reflectance and attribute profiles, geophysical logging curves and geothermal data in this area is conducted, and the anomaly characteristics of these and their relations are discussed. The result shows that the conventional seismic profile integrated with post-stack seismic attribute profile interpretation can be used to effectively identify the gas hydrate zone in northern South China Sea; the combination of acoustic velocity logs, resistivity logs and density logs is the effective way to judge the occurrence of the gas hydrate zone in this area; the comprehensive analysis and combination of these geophysical characteristics can optimize and integrate effectual geophysical technologies, enhance the validity of identifying gas hydrate and develop a set of reliable prediction means.

Key words: South China Sea, north, gas hydrate, geophysical prospecting, method

CLC Number:

TE122.2

SU Pi-bo, LEI Huai-yan, LIANG Jin-qiang, SHA Zhi-bin, LIANG Jin. Geophysical Anomaly Characteristics of Gas Hydrate Zone in Northern South China Sea[J]. Xinjiang Petroleum Geology, 2010, 31(5): 485-488.

References

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