E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/24 (2006.01)
Patent
CA 2044473
Water-in-oil emulsions are injected into subterranean formations to divert steam from steam- swept zones around cyclic steam stimulation wells or between injection and production wells in steam floods. The emulsions divert hot fluids to cold unswept zones containing high oil saturations, thereby increasing the net oil recovery.
Chakrabarty Tapantosh
Tang Joseph S.
Borden Ladner Gervais Llp
Esso Resources Canada Limited
Imperial Oil Resources Limited
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