烃类生成、压实作用，蒙脱石脱水，水热增压及地层的封闭性是产生高压油气藏的主要原因。
The major causes of abnormally high pressure oil-gas pools are hydrocarbon generation, under compaction, montmorillonite dehydration, hydrothermal-pressure increasing and sealing.
控制异常高压形成的因素主要有欠压实作用、黏土矿物脱水、烃类生成及水热增压。
The factors that control the development of the abnormal pressure are uncompaction, clay mineral dewatering, hydrocarbon forming and aquathermal pressure boost.
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