Mapping of the reservoir zones and reservoir parameters between the Wells is needed at the field development stage, and later for reservoir characterization as inputs to reservoir simulations. Increasing use of horizontal Wells has also emphasized the need for detailed delineations of reservoir zones using surface seismic data. Improvements in the resolution obtained Erom seismic measurements can be achieved through post stack inversion scheures to assist in drilling prognosis. Key issuses in such inversion procedures are a relative amplitude proceseed surface seismic data set and a reliable method of wavelet extraction Erom surface seismic data over the zones of interest. Well seismic calibration is required at key well5 for calibration of inverted acoustic impedance and for the most rubast wavelet extraction scheures which make use of well acoustic impedance.


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