Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 11, 2007
Patent Application Number
10524050
Date Filed
August 6, 2003
Patent Primary Examiner
Patent abstract
A method of introducing an oil field or gas field production chemical into a hydrocarbon-bearing porous subterranean formation penetrated by a wellbore comprising: injecting a gelling composition comprising an aqueous liquid, an oil field or gas field production chemical, and a gellable polymer through the wellbore into the porous subterranean formation wherein the gellable polymer forms a gel within the pores of the subterranean formation thereby encapsulating the production chemical in the gel; and controllably releasing the production chemical from the gel into a formation fluid.
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