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US 8,540,015 B2Granted
Apparatus and method for treating a subterranean formation using diversion
AssigneeSchlumberger Technology Corporation
InventorsMurat Ocalan, Francois M. Auzerais, Partha Ganguly, Agathe Robisson, Jahir Pabon
Life of this patent
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Abstract
Apparatus and method comprising a plurality of particles which are magnetically attracted to one another in response to exposure to a magnetic field, and which maintain attraction to one another after removal of the magnetic field, the attraction being disabled when the particles are demagnetized, whereby the particles operate to alter the rheological properties of a fluid in which the particles are mixed when the attraction is enabled or disabled is disclosed.
Claims11
A downhole apparatus for use in a wellbore comprising:
- a plurality of particles which are magnetically attracted to one another in response to exposure to a magnetic field and which maintain attraction to one another after removal of the magnetic field, wherein the plurality of particles alter one or more rheological properties of a fluid in which the particles are mixed when the attraction is enabled or disabled.
Dependencies are inferred from the claim text.