selective acidizing

selective acidizing

[si′lek·tiv ′as·ə‚dīz·iŋ]
(petroleum engineering)
Oil-reservoir acid treatment in which the acid is injected into specific reservoir zones; contrasted with uncontrolled acidizing in which the acid solution is simply pumped down the casing and is forced into adjacent rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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