1887

Abstract

Summary

For fluid-saturated rocks, comparing ultrasonic measurements (1 MHz) in the laboratory and seismic (100 Hz) or logging (10 kHz) measurements in the field is not straightforward due to dispersion of the elastic-wave velocities. If there are several theoretical models, there is a lack of data. We developed an apparatus for measurements over a large-frequency range, by the combination of forced oscillations (0.004 to 100 kHz in apparent frequency) and ultrasonic measurements (1 MHz) at various effective pressures. Our experimental results typically show two cut-off frequencies: i) one related to a drained/undrained transition; and ii) one related to squirt flow.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.201901910
2019-06-03
2024-04-19
Loading full text...

Full text loading...

References

  1. Batzle, M.L., Han, D.-H., and Hofmann, R.
    [2006]. Fluid mobility and frequency-dependent seismic velocity - Direct measurements. GEOPHYSICS71, N1–N9.
    [Google Scholar]
  2. BorgomanoJ.V.M., LPimienta, JFortin, YGuéguen
    [2017] Dispersion and attenuation measurements of the elastic moduli of a dual-porosity limestone. Journal of Geophysical Research: Solid Earth122 (4), 2690–2711
    [Google Scholar]
  3. Cleary, M. P.
    , [1978]. Elastic and dynamic response regimes of fluid impregnated solids with diverse microstructure. International Journal of Solids and Structures, 14, no. 10, 795–819.
    [Google Scholar]
  4. Chapman, S., J.V.M.Borgomano, HYin, JFortin, BQuintal
    [2018] Forced oscillation measurements of seismic wave attenuation and stiffness moduli dispersion in glycerine-saturated Berea sandstone. Geophysical Prospecting. https://doi.org/10.1111/1365-2478.12710
    [Google Scholar]
  5. O'Connell, R., and Budiansky, B.
    , [1977]. Viscoelastic properties of fluid-saturated cracked solids. Journal of Geophysical Research, 82, no. 36, 5719–5735
    [Google Scholar]
  6. Pimienta, L., Fortin, J., and Guéguen, Y.
    [2015]. Bulk modulus dispersion and attenuation in sandstones. GEOPHYSICS80, D111–D127.
    [Google Scholar]
  7. Pimienta, L., Borgomano, J.V.M., Fortin, J., and Guéguen, Y.
    [2016]. Modelling the drained/undrained transition: effect of the measuring method and the boundary conditions: Modelling drained/undrained transition. Geophys. Prospect. 64, 1098–1111.
    [Google Scholar]
http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201901910
Loading
/content/papers/10.3997/2214-4609.201901910
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error