埋藏在上下两个稳定隔水层之间的水叫承压水，承压井是承压水上面的隔水层被打穿，井口的位置低于承压水水位的叫自流井，井口位置高于承压水水位的叫承压井。
他们难道没有承压井么？
并指出气压效率越大的承压井，其含水层对应力应变的敏感程度越差。
It is pointed out that Wells with bigger barometric efficiency are poorer in the sensitivity of aquifer towards stress and strain.
对于低压易漏井，或多套压系统下的地层，常常因地层承压能力差而发生井漏事故。
For the low pressure drain well, or more sets of strata under the pressure of the system, often due to poor formation pressure Wells leakage accident occurred.
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