Surfactant additive for oilfield acidizing

Details Surfactant additive for oilfield acidizing Surfactant additive for oilfield acidizing

E - Fixed Constructions

21

B

E21B 43/22 (2006.01)

Patent

CA 2175613

Subterranean oil-bearing formations are treated with aqueous acid solutions which include an effective amount of an alkoxylated alkyl substituted phenol sulfonate which exhibits both antisludge and demulsification properties.

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