Porosity and Permeability of the Volcanic Reservoir and Its Influencing Factors: Taking Well Longshen 1 Field of Yingtai fault as an example

Key words: 
• porosity and permeability of the volcanic reservoir

Abstract: Based on substantial experimental material of reservoir, porosity and permeability parameters of the volcanic reservoir and the quantitative evaluation parameters of heterogeneity of Well Longshen 1 field of Yingtai fault is analyzed. The results show that volcanic reservoir physical properties change a lot in space. It has a strong nonhomogeneous. This makes an effective reservoir prediction of volcanic difficulty. Using the imaging logging, indoor rock identification and casting thin section analysis, this study explores the mechanism and process that the various factors on the formation and transformation of the volcanic reservoir space, points out that lithology of the volcanic rocks is the base of other parameters having an impact on the reservoir properties. Volcanic subfacies are the main control factors of physical, diagenetic and tectonic aspects are an important factor on the physical properties, this makes an effective volcanic reservoir prediction have regulations to abide by.