E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/13
E21B 43/22 (2006.01) C09K 8/508 (2006.01) E21B 43/27 (2006.01)
Patent
CA 1327443
Abstract of the Disclosure A method of removing polymeric material from injection and producing wells in which an aqueous medium containing, chlorine dioxide or sodium chlorite is introduced into the well and maintained in contact with the polymeric material for a period of time sufficient to degrade the polymeric material to a desired degree and allow enhanced injectivity of polymer flooding medium into the injection well or, enhanced production from a producing well.
596589
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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