Dazhangtuo underground gas storage takes the sands of condensate reservoir as storing beds. The beds have the characteristics of pressure shortfall and high porosity and permeability.
大张坨地下储气库是以凝析油气藏的砂岩作为储层的，该储层具有压力亏空和孔隙度、渗透率高的特点。
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This is the turbine driven pump for sending water from the condensate tank (or the deaerator storage tank) to the steam generator.