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Permeability Estimation from Field Data
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1987)
Strong correlations exist between core measured permeability values and the phase velocity and attenuation of the tube wave obtained from full waveform acoustic logs.
A number of authors have applied the Biot theory to ...
Viscous Fluid Effects on Guided Wave Propagation in a Borehole
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1987)
In order to investigate the effect of borehole fluid viscosity on the attenuation and
dispersion of the guided waves present in full waveform acoustic logs, the problem of
wave propagation in a borehole containing a ...
Viscous Fluid Effects on Guided Wave Propagation in a Borehole
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1987)
In order to investigate the effect of borehole fluid viscosity on the attenuation and
dispersion of the guided waves present in full waveform acoustic logs, the problem of
wave propagation in a borehole containing a ...
Inversion of Borehole Guided Wave Amplitudes for Formation Shear Wave Attenuation Values
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1987)
A linear least squares inversion, based on analytic partition coefficient expressions, is
developed to estimate the fluid and formation shear wave Q values from spectral ratio
measurements-of the guided wave arrivals of ...