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METHOD OF CONSTRAINING SEISMIC INVERSION
METHOD OF CONSTRAINING SEISMIC INVERSION
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机译:构造地震反演的方法
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摘要
Disclosed is a method a seismic inversion for petrophysical properties of a subsurface volume comprising the steps of: obtaining petrophysical data relating to valid geological and/or dynamical scenarios, converting this data into valid combinations of elastic parameters; projecting the valid combinations of elastic parameters onto a spherical plot; and determining a penalty term from the distances between each cell of the spherical plot and the nearest valid combination of elastic parameters within the subsurface volume. Valid geological and/or dynamical scenarios comprise those which are petrophysically possible. The penalty term is then used to constrain an inversion minimising a cost function associated with seismic mismatch between two or more seismic surveys.
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