Correlations between Overpressure Fluid Activity and Fault System in Yinggehai Basin
Correlations between Overpressure Fluid Activity and Fault System in Yinggehai Basin
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发表时间：
2002
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通讯作者：
Yin Xiulan
中科院分区：
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作者：
Yin Xiulan
通过对莺歌海盆地断裂、超压流体及其地球动力学演化的综合分析，研究了断裂系统与超压流体活动的相关性。并提出了它们之间的约束关系。断层首先诱发超压流体幕式爆发，超压流体活动主要是相继在上覆地层中形成断层或裂缝（包括水文裂缝），然后超压沿着这些断层或裂缝释放。同时，超压流体活动开启了新的断层或促进了原有断层的发育，为超压流体进一步爆发提供了条件。
The correlations between the fault system and the overpressure fluid activity have been studied based on an integrated analysis of faults, overpressure fluids and their geodynamic evolution in Yinggehai basin. Furthermore, their constrained relationship has been proposed. Faults first induced episodic explosion of overpressure fluids, overpressure fluid activity deduced chiefly faults or fractures, including hydrologic fractures, in overlying strata in succession, and then overpressure was released along these faults and fractures. Meanwhile, overpressure fluid activity opened new faults or promoted previous faults, which would serve as predisposition for further overpressure fluid explosion.