Post Stack Seismic data-impedance Inversion using Multi-Point Stochastic Inversion in Yme field, Norwegian Sea
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The Multi-Point Stochastic Inversion (MPSI) is a method based on both deterministic inversion and stochastic inversion. The deterministic inversion is used prior to the stochastic inversion and it is more general and works well for thick layers while the stochastic inversion works well for thin layers. Because of its combination, the MPSI method is one of suitable methods for reservoir characterization. Apart from being used for post-stack seismic acoustic impedance (AI) inversion, the MPSI method applies also for elastic impedance inversion and extended elastic seismic impedance inversion. The EI gives the complete set of elastic properties (VP, VS, ρ) while the AI inversion does not.