Oilfield Glossary
Oilfield Glossary
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mobility control

1. n. [Enhanced Oil Recovery]
A condition in oil recovery processes whereby the mobility of the injectant is lower than that of the oil or preceding chemical slug, leading to a stable displacement by the injectant. Commonly the injectant is water containing a soluble polymer that increases its viscosity. Micellar-polymer floods incorporate a mobility buffer to maximize the sweep efficiency of the injected chemical and associated oil bank.
Synonyms: sweep efficiency
See: mobility