海洋地质前沿2017，Vol.33Issue(7)：55-62,8.DOI:10.16028/j.1009-2722.2017.07006
神狐海域与西沙海槽天然气水合物成藏模式对比
A COMPARATIVE STUDY ON GAS HYDRATE ACCUMULATIONS IN SHENHU AREA AND XISHA TROUGH
摘要
Abstract
There are great amount of natural gas hydrate resources in the Shenhu area and Xisha Trough,the north of South China Sea.However,there are differences in both the reservoir forming conditions and accumulation mechanism of gas hydrate between the two regions.In this paper,through the analysis and comparison of water depth,temperature,pressure,gas source,gas migration,as well as reservoir characters and other factors,we reached some conclusions as follows.①The two regions are similar in terms of water depth,temperature and pressure conditions,gas source type,gas migration conditions,hydrate reservoir type and reservoir characteristics.②Based on the analysis of the gas source,the supply and transportation system of natural gas,it is believed that the formation of gas hydrate in the Shenhu area is dominated by the "self-source and heterogeneous source leakage complex "model.③The gas hydrate in the Xisha Trough is a typical hydrate of "heterogeneous leakage type".The results of the study suggest that the time-space matching between gas source and migration channels is the key to the evaluation of hydrate exploration in this area.关键词
西沙海槽/神狐海域/气源/水合物成藏模式/运移通道Key words
Xisha Trough/Shenhu area/gas source/gas hydrate accumulation/migration channel分类
天文与地球科学引用本文复制引用
朱其,吴其林,吴迅达,何丽娟,侯志平..神狐海域与西沙海槽天然气水合物成藏模式对比[J].海洋地质前沿,2017,33(7):55-62,8.基金项目
国家863计划项目子课题”天然气水合物地球物理识别方法研究”(CCL2014SKPS0048) （CCL2014SKPS0048）
