Thispaper proposes the concept of background value and cut off value, a merthodfor indicating oil-gas zone by formation cementation exponent is detailed.
本文提出的地层胶结指数法，引入了背景值和下限值概念，用它指示油气层，具有更高的分辨率和直观性。
Cementation is showed by the secondary enlargement of quartz and feldspar, the successive formation and pores filling of cementing material of authigenic clay mineral, calcite and anhydrite, etc.
胶结作用表现为石英和长石的次生加大、自生粘土矿物、碳酸盐和硬石膏胶结物的依次形成并充填孔隙。
As some oil enclaves were enclosed within calcite, the oil pool formation time should be equal to or later than calcite cementation time.
由于方解石中也含有烃类包体，油藏形成期就应等于或晚于方解石胶结物的形成期。
The formation of algal limestone reservoirs has mainly been controlled by the stability of sedimentary environment, early eluviation and late cementation filling.
藻灰岩储层的形成主要受沉积环境的稳定性、早期淋溶和晚期胶结-充填作用的控制。
The formation of algal limestone reservoirs has mainly been controlled by the stability of sedimentary environment, early eluviation and late cementation filling.
藻灰岩储层的形成主要受沉积环境的稳定性、早期淋溶和晚期胶结-充填作用的控制。
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