结果超压异常的形成与不均衡压实、孔隙流体增加、孔隙体积减小有关；
Results The mechanism of abnormal pressure is related with disequilibrium compaction, increasing of fluid volume and decreasing of pores.
初步分析各时代流体的封闭时间和主要目的层欠压实异常类型。
The confining time of fluids of each age is primarily analyzed as well as sub - compaction anomaly type of the main target layers.
异常高压是由烃的生成、差异压实以及粘土矿物的转化等因素共同作用而导致。
The anomalous high pressure originated from integrated effect of generation of hydrocarbons, differential compaction and transformation of clay minerals.
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