若产气比产液体更可取，则可向井中注入流体以保持储层压力。
Reservoir pressure can be maintained by fluid injection if gas production is preferable to liquid production.
注入流体(而不是产出流体)的井，其主要用途一般是保持储层压力。
A well in which fluids are injected rather than produced, the primary objective typically being to maintain reservoir pressure.
注入流体矿化度与储层中的粘土矿物不配伍时，会引起粘土矿物水化膨胀和分散，导致渗透率降低。
When the salinity of injected fluid is not compatible with clay minerals in a reservoir, hydrated swell and dispersion of the clay minerals are caused, which makes permeability decreasing.
注入流体矿化度与储层中的粘土矿物不配伍时，会引起粘土矿物水化膨胀和分散，导致渗透率降低。
When the salinity of injected fluid is not compatible with clay minerals in a reservoir, hydrated swell and dispersion of the clay minerals are caused, which makes permeability decreasing.
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