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SATURATION ESTIMATION USING MCSEM DATA AND STOCHASTIC PETROPHYSICAL MODELING.
SATURATION ESTIMATION USING MCSEM DATA AND STOCHASTIC PETROPHYSICAL MODELING.
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机译:使用MCSEM数据和随机岩石物理建模进行饱和度估算。
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摘要
A method for estimating saturation using mCSEM data and stochastic petrophysical models by quantifying the average water saturation in a reservoir given the transverse resistance (TR) obtained from mCSEM data, comprising the following steps: a)obtaining mCSEM survey data from a subsurface region of interest, b)performing an inversion of said obtained mCSEM data, c)subtracting a background resistivity trend from said mCSEM inversion data from the resistivity trend of said mCSEM inversion data from inside a hydrocarbon reservoir, d)estimating the location of an anomaly in the mCSEM inversion data, e)estimating the magnitude of the transverse resistance associated with an anomaly from the mCSEM inversion data, f)estimating an initial average reservoir saturation corresponding to transverse resistance using a stochastic petrophysical model and Monte Carlo simulation connecting reservoir parameters to transverse resistance, and g)integrating the obtained saturation distribution as a function of transverse resistances over the assumed distribution of transverse resistances to obtain a final estimation of the fluid saturation probability.
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