The key to successful development planning is the building of earth models integrating all relevant subsurface data and predicting reservoir performance in the presence of uncertainties.

The development of Bonga Field is presented as an example of integrated subsurface modeling of complex, deepwater channel reservoirs in which geophysical techniques are highlighted. Three main static reservoir parameters were modeled in detail: net sand distribution, subseismic channel architecture, and reservoir connectivity.

Proprietary probabilistic, model-based seismic inversion has provided excellent predictions of net sand thickness in development wells in the main reservoir, adding confidence to the in-place oil volume assessment. However, because of...

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