E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) B01F 17/12 (2006.01) C09K 8/58 (2006.01) C09K 8/60 (2006.01) C09K 8/94 (2006.01) E21B 43/25 (2006.01)
Patent
CA 2091417
ABSTRACT The recovery of hydrocarbons from subterranean formations is improved by the use of a mobility control fluid comprising a mixture of at least one alkylated diphenyl oxide and at least one amphoteric surfactant. A preferred mobility control fluid comprises the disodium salt of hexyldiphenyloxide disulfonate and cocamido-2-hydroxypropyl sultaine. 37,930-F
Dawe Robert D.
Oswald Thomas
Robson Ian A.
Smart & Biggar
The Dow Chemical Company
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