In our previous discussions, we described petroleum reservoirs as having 3D variation in space but no variation in the fourth dimension, time. Although the assumption of time invariance is a suitable for geologic processes, it is not suitable for enhanced oil recovery (EOR), because EOR will create physical changes to the reservoir within weeks or months.
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Fundamentals of Geophysical Interpretation, SEG Geophysical Monograph Series No. 13, is a practical handbook for the petroleum geophysicist. Fundamental concepts are explained using heuristic descriptions of seismic modeling, deconvolution, depth migration, and tomography. Pitfalls in processing and contouring are described briefly. Applications include petroleum exploration of carbonate reefs, salt intrusions, and overthrust faults. The book includes past, present, and possible future developments in time-lapse seismology, borehole geophysics, multicomponent seismology, and integrated reservoir characterization.