根据毛细管压力理论，分析了具有复杂孔隙结构的非均质储层油气聚集和分布规律。
Based on capillary pressure theory, the accumulation and distribution of hydrocarbon in inhomogeneous sandstone reservoir with complicated pore structures were analyzed.
基质渗透率的降低、润湿性的改变以及毛细管压力的增大是储层驱油效率降低的主要因素。
Decrease of the oil displacement efficiency of the damaged reservoirs is mainly resulted from the reduction of matrix permeability, change of wettability and increase of capillary pressure.
该区储层具有较低的排驱压力和毛细管压力中值，微观孔隙结构发育良好，属于中-粗孔喉。
The reservoir also features in low displacement pressure, low median capillary pressure, well-developed microscopic pore structure, and medium-to-large pore throat.
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