摘要
Abstract
The deep tight gas reservoir in the Huagang Formation of the Y gas field in the Xihu Depression of the East China Sea Basin has complex lithology,significant differences in porosity and permeability,and unknown main controlling factors for high-quality reservoirs,which poses challenges for the development of tight gas reservoirs.Based on experimental results such as core,logging,scanning electron microscopy,and physical property data,a systematic study was conducted on the petrology,sedimentary microfacies,faults,reservoir development characteristics,and main controlling factors of Y gas field.Research has shown that sedimentary microfacies determine the original storage conditions of reservoirs,and the presence of multiple source faults in gas fields is conducive to improving their storage performance.Diagenesis such as dissolution,compaction,and cementation are key factors controlling reservoir properties,facilitating further analysis and characterization of reservoirs.The analysis of the main controlling factors of reservoirs lays a solid foundation for predicting the distribution of high-quality reservoirs in tight gas reservoirs and provides favorable support for subsequent research in gas fields.关键词
致密气藏/花港组/储层特征/主控因素Key words
tight gas reservoir/Huagang group/reservoir characteristics/main controlling factors
