- drawdown pressure
- нефт.давление откачки
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
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 — 1. The vertical distance the water elevation is lowered or the reduction of the pressure head due to the removal of water [22]. 2. The decline in potentiometric surface at a point caused by the withdrawal of water from a hydrogeologic unit… … Lexicon of Cave and Karst Terminology
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Aquifer test — An aquifer test (or a pumping test) is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifer s response (drawdown) in observation wells. Aquifer testing is a common tool that… … Wikipedia
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Cone of depression — A cone of depression occurs in an aquifer when groundwater is pumped from a well. In an unconfined aquifer (water table), this is an actual depression of the water levels. In confined aquifers (artesian), the cone of depression is a reduction in… … Wikipedia
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