Deeply buried reservoir porosity inversion method and device
The invention provides a deeply buried reservoir porosity inversion method and device. The method comprises the steps of carrying out the linear approximation on a rock physical model of a to-be-measured deeply buried reservoir based on Taylor series expansion; according to the rock physical model o...
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| creator | BAI JIANPU LIU YONGLEI LING DONGMING YAO XIANZHOU TIAN JUN CHEN JIANGONG |
| description | The invention provides a deeply buried reservoir porosity inversion method and device. The method comprises the steps of carrying out the linear approximation on a rock physical model of a to-be-measured deeply buried reservoir based on Taylor series expansion; according to the rock physical model of the to-be-measured deeply-buried reservoir after linear approximation, determining the linear relationship between the longitudinal wave velocity and the transverse wave velocity and the porosity and the shale content; constructing a porosity inversion objective function according to the linear relationship between the longitudinal wave velocity and the transverse wave velocity and the porosity and the shale content; and solving the porosity inversion objective function, and determining the porosity of the to-be-measured deeply buried reservoir. According to the invention, the linear relationship between the longitudinal wave velocity and the transverse wave velocity and the porosity and the shale content is dete |
| format | Patent |
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The method comprises the steps of carrying out the linear approximation on a rock physical model of a to-be-measured deeply buried reservoir based on Taylor series expansion; according to the rock physical model of the to-be-measured deeply-buried reservoir after linear approximation, determining the linear relationship between the longitudinal wave velocity and the transverse wave velocity and the porosity and the shale content; constructing a porosity inversion objective function according to the linear relationship between the longitudinal wave velocity and the transverse wave velocity and the porosity and the shale content; and solving the porosity inversion objective function, and determining the porosity of the to-be-measured deeply buried reservoir. 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| subjects | DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING |
| title | Deeply buried reservoir porosity inversion method and device |
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