reservoir drawdown

См. также в других словарях:

• Drawdown — has four distinct meanings: Drawdown (hydrology), a lowering of a reservoir or a change in hydraulic head in an aquifer, typically due to pumping a well. Drawdown (economics), decline in the value of an investment, below its all time high.… …   Wikipedia

• Reservoir evaluation — is the evaluation of reservoir properties from log, core and pressure transient data. Including the interpretation of openhole well logs and pressure drawdown and buildup tests. It is a branch of reservoir engineering which is a subset of… …   Wikipedia

• drawdown — [drô′doun΄] n. 1. a lowering of the water level of a well, reservoir, etc., as in supplying industry with water 2. a reduction or depletion …   English World dictionary

• Drawdown (hydrology) — In water related science and engineering there are two similar but distinct definitions in use for drawdown. In subsurface hydrogeology, drawdown is the change in hydraulic head observed at a well in an aquifer, typically due to pumping a well as …   Wikipedia

• drawdown — the release of water from the reservoir of a dam for power generation, flood control, irrigation or other water management activity. Also the vertical distance the water is lowered or the reduction in the pressure …   Dictionary of ichthyology

• drawdown — I. ˈ ̷ ̷ˌ ̷ ̷ noun ( s) Etymology: draw down 1. : the distance by which the fluid surface level (as in a well or reservoir) is lowered (as by pumping or gate opening) 2. : the curving downward of the water surface near the edge of a weir n …   Useful english dictionary

• drawdown — noun Date: 1918 1. a lowering of a water level (as in a reservoir) 2. a. the process of depleting b. reduction …   New Collegiate Dictionary

• drawdown zone — the shore zone between full and lower levels in a reservoir …   Dictionary of ichthyology

• drawdown —   the change in the level of the upper water surface in a well or reservoir which is due to the withdrawal of water …   Geography glossary

• Drawdown —   The lowering of the water level of a reservoir as a result of withdrawing water.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• Drawdown /maximum —   The distance that the water surface of the reservoir is lowered from the normal full elevation to the lowest allowable elevation as the result of the withdrawal of water for the purposes of generating electricity.   U.S. Dept. of Energy, Energy …   Energy terms