Porosity and Permeability Heterogeneity - Implications for Acoustic Properties

N-21 POROSITY AND PERMEABILITY HETEROGENEITY – IMPLICATIONS FOR ACOUSTIC PROPERTIES S.J. HENNAH S. ASSEFA A.S. LUCAS and C. McCANN. Postgraduate Research Institute for Sedimentology The University of Reading PO Box 227 Whiteknights Reading RG6 6AB UK. Abstract Introduction 1 The necessity for reservoir engineers to maximise recovery from existing fields has led to the development of increasingly sophisticated seismic imaging techniques including time-lapse surveys vertical seismic profiling and cross-hole surveys. The inversion of seismic data to predict hydrocarbon reservoir characteristics requires a detailed knowledge of the relationships between the seismic and petrophysical properties of the reservoir rocks. Whilst it is