equivalent vapor volume

equivalent vapor volume

[i′kwiv·ə·lənt ′vā·pər ‚väl·yəm]
(petroleum engineering)
The volume occupied by a barrel of oil if all the oil were to become a vapor; expressed as cubic foot per barrel at 60°F (15.6°C).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.