volatile-oil reservoir

volatile-oil reservoir

[′väl·əd·əl ¦ȯil ′rez·əv‚wär]
(petroleum engineering)
A type of bubble-point oil reservoir in which the temperature is high and the liquid density is low (leading to a volatilized oil situation), reducing the amount of producible liquids.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.