Method for improving precision of carbonatite dynamic and static Young modulus conversion model
A technology of static Young's modulus and Young's modulus, which can be used in measuring devices, geographic modeling, geophysical measurement, etc., and can solve the problems of loss of engineering guidance, low accuracy, and lack of dynamic and static Young's modulus conversion Model accuracy and other issues, to achieve the effect of ensuring feasibility and convenience, and good correction effect
Active Publication Date: 2020-09-15
CHINA UNIV OF PETROLEUM (EAST CHINA)
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The invention discloses a method for improving the precision of a carbonatite dynamic and static Young modulus conversion model, and particularly relates to the field of carbonatite reservoir logging.The method comprises the following steps: 1, establishing a dynamic and static Young modulus conversion model according to rock physical experiment data; 2, establishing a regression model M1 of an experimental dynamic and static Young modulus difference value S2--a static Young modulus fitting value and an experimental value difference value S1 by utilizing the dynamic and static Young modulus conversion model and rock physical experimental data; 3, establishing a regression model M2 of the experimental dynamic and static Young modulus difference S2 -- porosity according to the rock physicalexperimental data; 4, establishing a correction value model M3; and 5, calculating the fitting static Young modulus of the point to be measured, and correcting by using the regression model M1, the regression model M2 and the correction value model M3 to obtain the corrected static Young modulus. According to the method, the precision of the carbonatite dynamic and static Young modulus conversionmodel is improved, and well logging evaluation and oil field development of the carbonatite reservoir are facilitated.
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