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Permeability determination of rock medium, e.g. geological formation surrounding oil well, involves applying magnetic field to interstitial fluid located in rock medium and measuring pressure variation of fluid
Permeability determination of rock medium, e.g. geological formation surrounding oil well, involves applying magnetic field to interstitial fluid located in rock medium and measuring pressure variation of fluid
Determining the permeability of a rock medium comprises applying a magnetic field to the fluid (2) in the rock medium (1). The variation in pressure of the interstitial fluid resulting from the application of the magnetic field is measured and the permeability of the rock medium is determined. An Independent claim is included for a permeability determining device.
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