The phase lag produced by the response of the well water level to variation of air pressure results from permeation of water between the well and aquifer.
由于水在井孔与含水层之间的渗流造成了井水位对空气压力变化的响应产生位相滞后。
Therefore, lowered pressure should not be used in the exploitation of low permeation oil reservoirs.
因此在低渗透油气藏的开采中，不宜采用降压开采。
The permeation rate and separation factor decrease while increasing downstream pressure.
二次侧压增大，渗透通量和分离因子减小。
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