示踪剂试验证实了地层大孔道的存在。
In has been verified by tracer test that there are channels in some reservoirs.
由于对强吸水层的大孔道缺乏定量认识，影响了调驱的效果。
Since lack of quantitative knowledge of big channel in strong water accepting layer, which affect the effect of water flood adjustment.
封堵注水井的大孔道是控水稳油的重要措施，封堵剂的选择也越来越重要。
Plugging large pore in water injection well is the most important measures, and choice of plugging agent is getting more important.
根据测井曲线，运用费歇准则导出了识别砂岩油层大孔道的判别函数，判别函数是测井曲线的线性组合。
In the paper, the discriminant function is derived from the Fisher principle to distinguish large pore paths in sandstone oil layers based on logging curves.
尤其适应于封堵高渗透、大孔道地层，且现场施工简便、施工用量少、成本低，取得了很好的应用效果。
It is especially suitable for plugging high permeable, macro pore path formations and convenient for field operation with a small amount of volume and a low cost, obtaining a good effect.
在后续注水过程中，存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙，驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
无机介孔材料因其具有大的比表面积、有序的孔道结构以及可调变的孔径，目前已成为催化领域研究热点之一。
Because of the large surface area and uniform pore size, the inorganic mesoporous material becomes the hot topic of research in catalysis.
无机介孔材料因其具有大的比表面积、有序的孔道结构以及可调变的孔径，目前已成为催化领域研究热点之一。
Because of the large surface area and uniform pore size, the inorganic mesoporous material becomes the hot topic of research in catalysis.
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