Electricity: measuring and testing – Of geophysical surface or subsurface in situ – By magnetic means
Reexamination Certificate
2006-02-14
2006-02-14
Ledynh, Bot (Department: 2862)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
By magnetic means
C324S353000
Reexamination Certificate
active
06998845
ABSTRACT:
The present invention relates to the processes and devices for assessing the permeability of a rock medium1containing a fluid2in its interstices3. The device and the process according to the invention are characterized essentially in that a given magnetic field is applied to the interstitial fluid2located in the rock medium1, the variation in pressure of the interstitial fluid2resulting from the application of the magnetic field is measured, and the permeability of the rock medium is determined as a function of the value of the variation in pressure of the interstitial fluid.
REFERENCES:
patent: 5724311 (1998-03-01), Laurent et al.
patent: 6253848 (2001-07-01), Reimers et al.
Martin Jean-Pierre
Pozzi Jean-Pierre
Aurora Reena
Echols Brigitte L.
Ledynh Bot
Schlumberger Technology Corporation
Segura Victor H.
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