Electroseismic Logging For The Detection And Characterization Of Permeable Zones: Field Measurements And Theory
Name
1998.9 Mikhailov et al.pdf
Size
19.92 MB
Format
Adobe PDF
Checksum (MD5)
a53e2256f663c49b7db3ca8750037028
Author(s)
Mikhailov, Oleg V.
Burns, Daniel R.
Toksoz, M. Nafi
Date Issued
1998
Publisher
Massachusetts Institute of Technology. Earth Resources Laboratory
Series/Report no.
Earth Resources Laboratory Industry Consortia Annual Report;1998-09
Abstract
A Stoneley wave propagating in a borehole generates pore fluid flow within the permeable
zones intersected by the borehole. In turn, the fluid flow induces a streaming
electrical potential. This electrical potential induced by the Stoneley wave can
be -measured in the field at frequencies from 100Hz to 4000Hz. Measurements of this
Stoneley-wave-induced electrical potential can be used to detect fractures and permeable
zones. The amplitude-versus-frequency dependence of this electroseismic phenomenon
provides a new way to test theories of the acoustics and the electrokinetics of porous
media against field measurements in real :oeks.
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