通过对川西拗陷须家河组储层的岩石学、矿物学、物性等特征研究，明确了砂岩成岩作用特征及其对储层质量演化的影响。
The diagenetic characteristics and the impact of diagenesis on reservoir quality in the Xujiahe sandstones of West Sichuan are described based on petrologic, mineralogy, and petrophysical analysis.
近年来，“碎屑模型”和“颗粒指数”概念的提出使得砂岩碎屑组分的研究进入了宏观地质学的实用领域。
The concept of "Fragment Modem" and "Grain Index" recently put forward made the study of sandstone fragment components into practical field of macro- geology.
和地下的水道砂岩打交道的石油地质工作者，必须具备地貌学方面的基础知识。
The petroleum exploration geologist working with subsurface channel sandstone must have a background knowledge of geomorphology.
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