Prediction the Relative Changes of the Reservoir Permeability

Traditional approach to predict reservoir properties involves map construction of the expected net thicknesses and porosity on the base of attribute analysis of the wave field and inversion results. The reservoir permeability is an important parameter for field development and its forecast on the base of seismic data analysis is not widely spread, although there are publications that illustrate the possibility of such forecast. The article presents the results of applying the frequency-dependent seismic attribute, which can be characterized as an indicator of fluid mobility and may represent the relative changes in the reservoir permeability. This attribute aimed at detecting of frequency anomalies in the spectrum of the wave group, reflected from porous fractured reservoir. In accordance with analytical solution the changing of the attribute values along the reflector indicates the proportional variation of the reservoir permeability.