Oilfield Glossary
Oilfield Glossary
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alkaline-surfactant-polymer flooding

ASP flooding
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1. n. [Enhanced Oil Recovery]
A chemical enhanced oil recovery flood that uses two sources of surfactant and a polymer. Alkaline chemicals such as sodium carbonate react with acidic oil components in situ to create petroleum soap, which is one of the surfactants. A synthetic surfactant is injected simultaneously with the alkali. A water-soluble polymer is also injected, both in mixture with the alkali and surfactant and as a slug following the mixture, to increase the viscosity of the injectant, thereby improving mobility control of the flood fronts.
Synonyms: ASP flooding