西峰油田长8储层低渗特低渗的地质特征决定了水力压裂不仅是重要的增产措施，而且是重要的开发手段。
The extremely low permeability of Chang8 reservoir in Xifeng Oilfield makes hydraulic fracturing both an important treatment and development method for the oilfield.
对于低渗复杂的薄层多层油气藏，期望一次性压开所有产层以减少压裂作业的次数。
For thin multilayer reservoirs with low permeability, it is expected to conduct fracturing in all pay zones at one time to reduce the frequency of fracturing operation.
文中采用自行研制的实验装置，通过大量的室内实验研究了低渗透砂岩常温常压以及脉冲压力条件下的渗吸规律及其影响因素。
This paper studied imbibition law and influencing factor of low permeability sandstone under normal temperature and pressure and pulse pressure through self made experiment apparatus.
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