Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Reexamination Certificate
2006-11-29
2010-10-12
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
C367S086000, C073S152050, C073S152060, C073S152080
Reexamination Certificate
active
07813219
ABSTRACT:
A method and apparatus for assessing the permeability of a subterranean formation and the hydrocarbon and/or water content of the formation. The method includes emitting an acoustic signal, such as a Stoneley wave into the formation and sending an electro-magnetic pulse into the formation. An analysis of the response of the Stoneley wave in conjunction with an analysis of a measurement of the electrical potential within the wellbore provides information pertinent to permeability and fluid composition.
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Dorovsky Vitaly N.
Dubinsky Vladimir
Tang Xiao Ming
Baker Hughes Incorporated
Bracewell & Giuliani LLP
Lobo Ian J
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