欠压实带可描述成被“壳”包围的一个异常孔隙流体压力带。
An uncompacted belt can be described as an abnormal pore fluid pressure belt surrounded by "shell".
川西前陆盆地上三叠统储层具有正常压实和欠压实两种类型。
The Upper Triassic reservoir in west Sichuan foreland basin has experienced normal compaction and ancompaction.
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.
在加载条件下，欠压实带的顶、底壳发生剪切破裂，底壳早于顶壳。
In loading condition, the shear fracturing of the bottom shell of the uncompacted belt would appear earlier than that of the top.
压实盆地中的自然水力破裂是欠压实带孔隙流体排驱的关键因素之一。
In a compacted basin, natural hydraulic fracturing is one of the key factors of the pore fluid expulsion of uncompacted belt.
成藏期晚和第三系欠压实泥岩形成大面积的压力封盖，有利于天然气的保存。
Late pool forming periods and the Tertiary undercompacted mudstone forming large area of pressure sealings are advantageous to the preservation of natural gas.
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.
利用这种方法可以把欠压实曲线分解成各种不同类型泥岩的压实曲线，特别是能获得欠压实泥岩后期压实的趋势。
With this method, under-compaction curves may be segregated into compaction curves of different types and trends of later compaction for under-compacted argillaceous rocks may be predicted.
这类气藏储集层岩石一般处于欠压实状态，岩石物性参数及其随压力的变化规律和正常的压力系统气藏相比有很大的差异。
Generally, such gas reservoir rock is in the uncompacted state, and their variation with pressure and petrophysical parameters is very different than normal pressure gas reservoir system.
前人认为超压的形成主要受控于构造挤压作用 ，此外还有高压天然气的注入、构造抬升等因素 ，基本不存在欠压实作用。
Research on inclusions and mudstone compaction curves shows that uncompaction and structural compression are the main factors resulting in abnormal high pressure in Early Cretaceous gas reservoirs.
前人认为超压的形成主要受控于构造挤压作用 ，此外还有高压天然气的注入、构造抬升等因素 ，基本不存在欠压实作用。
Research on inclusions and mudstone compaction curves shows that uncompaction and structural compression are the main factors resulting in abnormal high pressure in Early Cretaceous gas reservoirs.
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