研究结果表明，本区储层砂岩较低渗透率的主要成因是成岩期各种自生矿物的充填和胶结作用。
The results indicate that the forming mechanism of the low permeability in this area is the filling and cementation of autogenetic mineral during diagenesis.
储层主要受沉积作用和成岩作用的影响。
The reservoir is closely controlled by sedimentation and diagenesis.
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.
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