YML气田古近系储层特征研究
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摘要
通过钻井取岩心、室内压汞实验、测井、录井等综合分析,研究了英买力气田古近系储层孔隙度、渗透率、物性特征及储层非均质性。研究表明,古近系储层以Ⅱ类和Ⅲ类为主,各占储层类型的45.2%,其次为Ⅰ类储层,占储层类型的9.6%,为薄层状中孔、中渗、大喉道、强非均质储层,其中一条隔层将买力古近系气藏分隔为2个不同的压力、流体系统。
The porosity, permeability, physical properties and reservoir heterogeneity of Paleogene reservoirs in Yingmaili gas field were studied through comprehensive analysis of core drilling, indoor mercury injection experiments, well logging and logging. The results show that Paleogene reservoir is mainly type II and III, accounting for 45.2% of reservoir types, followed by type I reservoir,accounting for 9.6% of reservoir types. It is thin-bedded medium porosity, medium permeability, large throat and strong heterogeneous reservoir. An interlayer separates Yingmaili Paleogene gas reservoir into two different pressure and fluid systems.
The porosity, permeability, physical properties and reservoir heterogeneity of Paleogene reservoirs in Yingmaili gas field were studied through comprehensive analysis of core drilling, indoor mercury injection experiments, well logging and logging. The results show that Paleogene reservoir is mainly type II and III, accounting for 45.2% of reservoir types, followed by type I reservoir,accounting for 9.6% of reservoir types. It is thin-bedded medium porosity, medium permeability, large throat and strong heterogeneous reservoir. An interlayer separates Yingmaili Paleogene gas reservoir into two different pressure and fluid systems.
引文
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