Abstract
Summary Pre-stack seismic inversion is a useful technique to predict the petrophysical properties of the reservoir. Using a four component (4-C) ocean bottom-cable (OBC) seismic survey we set out to improve the reservoir characterization in a deep-water turbidite field in the Campos Basin. Elastic Impedance (EI) gives us the opportunity to calibrate and invert nonzero-offset seismic data, whilst acoustic impedance is useful for zero-offset data. On the other hand, shear impedance (SI) was derived from converted PS data in a pre-stack inversion process. EI in combination with SI inverted data produce a better characterization tool for fluid saturated reservoirs. In this paper we combine EI and SI results from pre-stack inversion to better characterize the deep water turbidite reservoir.
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