![]() On the other hand, marine controlled source electromagnetic (CSEM) can utilize resistivity to discriminate heavy oil from water, but with limited structural configuration. ![]() For instance, for a low API, high viscous oil reservoir, seismic can provide structural information about the reservoir but may not be able to unambiguously discriminate heavy oil from water. However, when only a single data type is considered, ambiguities in the interpretation can remain. Advances in geophysical data acquisition and interpretation have led to significant improvements in the remote imaging of earth structure and properties. ![]() Improved exploration success, reservoir management and production optimization require accurate characterization of the sub-surface.
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