Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Alexander Gordon Dewar0
Martin Gerard Rene Bosma0
Erik Kerst Cornelissen0
Date of Patent
August 25, 2009
0Patent Application Number
116679030
Date Filed
November 18, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of sealing a space in a wellbore formed in an earth formation comprises inserting a plurality of swellable particles into the space by pumping them in a carrier fluid, the particles being susceptible to swelling upon contact with a selected fluid, and inducing the selected fluid to contact the swelleable particles whereby the swelleable particles swell so as to form a body of swollen particles in the space.
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