Low permeable reservoir is mainly featured by small reservoir pore, fine throat, high filtration resistance, low oil productivity and low water absorbing capacity.
低渗透油藏的主要特点是储层孔隙小、喉道细、渗流阻力大，油井产油能力和吸水能力都非常低。
2
RESULTS: the pore size and materials of membrane affected the total filtration resistance and its distribution in clarification.
结果：膜孔径和膜材料对过滤阻力及其分布有影响。
3
The main characteristics of low permeability reservoir are small reservoir pore, fine throat, high seepage resistance and low water intake capacity.