We study the Changling fault depression layer reservoir space type and characteristic of clastic rock reservoirs in the study area, by core observation, thin section analysis, cathodoluminescence analysis, scanning electron microscopy and mercury intrusion method, and discusses the development of secondary porosity and fracture characteristics and formation mechanism.
Based on the data of core, well log, mud log and regional geology, the different type of sandbody was studied quantitatively on the northern Putaohua reservoir in Songliao basin by using the following indicators, they are average thickness, thickness standard deviation, thickness skewness, thickness peakedness, width, width to thickness ratio, length, length to thickness ratio, channel divaricating angle α, channel divaricating normal angle β. And then the sandbody distribution characteristics for different sedimentary face were studied in detail.
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