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- Title
Elastic waves along a cylindrical borehole in a poroelastic medium saturated by two immiscible fluids.
- Authors
Arora, Ashish; Tomar, S. K.
- Abstract
The propagation of elastic waves along a cylindrical borehole filled with/without liquid and embedded in an infinite porous medium saturated by two immiscible fluids has been studied. The theory of porous media saturated by two immiscible fluids developed by Tuncay and Corapcioglu (1997) is employed. Frequency equations determining the phase velocity of axial symmetric waves are obtained. It is found that the surface waves along cylindrical borehole are dispersive. The dispersion equation of Rayleigh-type surface waves along the boundary of a poroelastic solid half-space saturated by two immiscible fluids is also obtained. Some special cases have been deduced and the dispersion curves are obtained numerically for a peculiar model. It is found that the density of fluids affects the Rayleigh mode.
- Subjects
ELASTIC waves; POROUS materials; FLUIDS; DISPERSION (Chemistry); RAYLEIGH waves; SURFACE waves (Fluids)
- Publication
Journal of Earth System Science, 2007, Vol 116, Issue 3, p225
- ISSN
0253-4126
- Publication type
Article
- DOI
10.1007/s12040-007-0022-6