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The strand shallow lake-bar sandstone had the characteristics of thin reservoir,low porosity and low permeability. 滨浅湖相滩坝砂岩具有储层厚度薄、孔隙度低、渗透率低的特点。
In the tight Upper Triassic sandstone with low porosity and permeability, the distributary channel sand body would be the beneficial target. 在致密低孔低渗的上三叠统厚层砂岩中，分流河道砂体储集性能最好，是勘探的有利目标层。
The Upper Triassic Yanchang Formation in the Fuxian area is totally a very low porosity and permeability sandstone reservoir. 研究表明,陕北富县延长组总体为特低孔渗砂岩储层。
The Upper Triassic classic reservoir of west Sichuan is a kind of sandstone with low porosity and permeability , intercalated by mudstone layers with abnormally high pressure. 川西上三叠统碎屑岩储层是一套低孔、低渗，具高异常地层压力的致密砂泥岩层。
The study shows that this subzone has low porosity, averaging 11.85% . 研究表明;长4+5_2小层属于低孔储层;平均孔隙度为11.;85%25。
low porosity and permeability sandstone 低孔低渗砂岩
The paper introduce the principl of WNN algorithm,designs a BP-WNN algorithm based on entropy function,and applies the model to the pridiction of reservoir parameters of compact sandstone. 本文介绍了小波神经网络的原理,设计了一种采用熵函数作为BP小波网络的能量函数的BP小波神经网络算法。
Chaoyanggou Oilfield has low porosity, low perinea and serious heterogeneity, with natural and induced fractures. 朝阳沟油田储层低孔、低渗,非均质性严重,存在天然裂缝和人工裂缝。
The Permian Shanxi Formation in Yulin Gas Field is a typical low porosity and low permeability lithologic reservoir. 榆林气田二叠系山西组气藏属于典型的低孔、低渗、岩性气藏。
The Chang 6 reservoir belongs to low porosity and excessively low permeability micro throat clastic rock reservoir. 甘谷驿油田长6油层为低孔、特低渗透细喉型碎屑岩储层。
It provides a reference for evaluating the low permeability and low porosity reservoirs with higher salinity variation. 研究成果对地层水矿化度变化较大的低孔低渗复杂油藏评价有一定的借鉴意义。
Upper Paleozoic reservoirs in Ordos basin are dense reservoirs with low porosity and permeability . 鄂尔多斯盆地上古生界储层为砂岩储层,属低孔、低渗致密储层,孔隙度、渗透率关系较差。
The Jurassic and Triassic reservoirs in Zhidan area have low porosity and permeability,and are highly compacted. 志丹地区侏罗系、三叠系储层是低孔、低渗储层,压实程度高,地质解释模型与测井解释模型拟合复杂。
The Reservoirs in updip block of Shuanghe oilfield fan delta are deep with low porosity and low permeability. 双河油田扇三角洲上倾部位油藏埋藏较深、低孔低渗,由于井距大,注采不完善等导致开发效果差。
Their reservoir property belongs basically to the reservoir with low porosity and low permeability. 但在有利的构造部位有可能找到孔渗性较好的区块。
The most of compaction sandstone reservoir of Permian is quarz sand,containing much secondary pores and less primary pores. 二叠系致密砂岩储集层多为石英砂岩，原生孔隙不发育、以次生孔隙为主。
Sealing is achieved when compression load is high and packing forms a mass of low porosity and permeability (4,000 psi for graphite). 大负载。密封安装是在很高的压缩负载下进行,这样填料就会形成一块低多孔性和渗透性的材料(对于石墨压力达4,000 psi)。
The general fine grainsize of sedimentary rock is the inborn factor that resulted in the very low porosity and permeability. 沉积岩石粒度普遍较细,是导致岩石储集性较差的先天地质因素;
Es 4 member) in Lijin area, located in Dongying Sag of Jiyang Depression, have low porosity, low permeability with strong heterogeneity. 济阳坳陷东营凹陷利津地区深层沙四段近岸水下扇低孔低渗岩性油气藏的非均质性强。