"Benefits of Integrating Seismic and Petrophysical Data"
By: David K. Davies, GeoSystems, and Roger A. Young, e-Seis Inc
HGS Emerging Technologies Dinner Meeting: Thursday May 17, 2001
Figure One
Accurate reservoir description is aided by integration of data from all disciplines.
How can geophysical data be quantitatively integrated in reservoir studies?
Figure Two
Deep water, turbidite sandstone reservoirs, Offshore Gulf of Mexico, differentiated on the basis of image-derived Rock Types (based on analysis of pore geometry). Note that each Rock Type has similar values of porosity but widely different values of permeability, and that the highest porosity is not associated with the highest permeability. In this and similar reservoirs, the successful prediction of permeability requires a knowledge of the pore geometry.
Figure Three
Seismic cross section showing the distribution of Rock Types.
Blue: Rock Type 1, sand with high permeability (>2000md) and high porosity (>25%)
Red Rock Type 2, sand with moderate permeability (500-2000md) and high porosity (>25%).
Brown: Rock Type 3, sand with low permeability (<500md) and high porosity (>25%)
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