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莺歌海盆地是位于我国南海北部的新生代盆地,具有快速沉积沉降史、高温高压、热流体活动频繁、泥-流体底辟构造发育等特征。泥-流体底辟构造发育演化尤其是热流体局部上侵活动控制了天然气及CO2分布与富集成藏规律及特点,研究泥-流体底辟构造及天然气运聚规律,对于指导该盆地的勘探具有重要的现实意义。
Yinggehai Basin is a Cenozoic basin located in the northern part of South China Sea. It has the characteristics of rapid sedimentation and subsidence, high temperature and high pressure, frequent thermal fluid activities and mud-fluid diapirs. The development and evolution of mud-fluid diapirs, especially the local intrusion of thermal fluid, control the distribution and enrichment of natural gas and CO2, and study the regularity of mud-fluid diapirs and the rules of migration and accumulation of natural gas. Important practical significance.