Seismic and Acoustic Velocities in Reservoir Rocks, Utgave 19

acoustic velocities anisotropy arenites attenuation average Biot brine bulk density bulk modulus calculated clay content coefficients compliance compressibility compressional velocity confining pressure constant core correlation cracks decreases dolostone effective pressure elastic moduli elastic properties elastic waves estimated experimental Figure fluid saturation fractures frame frequency g/cm³ gas hydrate Gassmann equation Geophys Geophysics grain hydrate concentration hydrocarbons increase isotropic isotropic medium kerogen km/s laboratory layers linear liquid matrix Mavko mechanism minerals mixture P-wave parameters permeability petrophysical phase Phys Poisson's ratio pore fluid pore pressure pore space poroelastic porosity porous predicted quartz relations reservoir samples sand sandstone saturated rocks sediments seismic velocities seismic waves shales shear modulus shear wave shear-wave velocity solid sound speed squirt static and dynamic stress temperature tensor tion ultrasonic unconsolidated values velocity dispersion versus viscosity Wang water-saturated wave propagation wave velocities Young's modulus