drawdown
(redirected from Draw Downs)Also found in: Dictionary, Legal, Financial.
drawdown
[′drȯ‚dau̇n] (graphic arts)
In inkmaking, a procedure for obtaining a rough estimation of a color shade in which a small sample of ink is placed on a piece of paper and spread with a spatula to yield a thin film of ink.
(hydrology)
The magnitude of the change in water surface level in a well, reservoir, or natural body of water resulting from the withdrawal of water.
(petroleum engineering)
The difference between the static and the flowing bottom-hole pressure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
drawdown
The distance by which the groundwater level is lowered as a result of pumping.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.