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1)  unconsolidated sandstone formation
疏松砂岩地层
1.
Experimental study of micro fine migration in unconsolidated sandstone formation;
疏松砂岩地层微细粒运移特征实验研究
2)  unconsolidated sandstone
疏松砂岩
1.
Fracturing sand control technology of unconsolidated sandstone reservoir;
疏松砂岩油藏压裂防砂一体化技术
2.
Study of model for elastic wave velocity of unconsolidated sandstone;
疏松砂岩弹性波速模型的研究
3.
Study on the compressibility of unconsolidated sandstone based on acoustic logging data
基于声波测井资料的疏松砂岩可压性研究
3)  unconsolidated sand
疏松砂岩
1.
Study on drilling fluid technology in unconsolidated sand with high clay content;
高泥质疏松砂岩防塌保护油气层钻井液技术
2.
An attempt to improve the accuracy of well-log oil saturation in unconsolidated sand;
提高疏松砂岩测井含油饱和度精度的探索
3.
A research into drawdown pressure impacts on sand production from unconsolidated sand reservoirs
生产压差对疏松砂岩储层出砂影响规律研究
4)  loose sand
疏松砂岩
1.
Analysis on damage and protection to shallow gas-bearing formation of loose sand in Shengli oil field.;
浅析胜利油田疏松砂岩浅气层的伤害与保护
2.
A research on damage mechanisms of loose sand reservoirs during their production
疏松砂岩油田生产过程中储层伤害机理研究
3.
Most reservoirs in NB35-2 oilfield are loose sand, some are sandy shale.
文章介绍了一套适合疏松砂岩地层的取心工具,分析了它的结构和工作原理,并结合在NB35-2-A11井的实际应用情况,对疏松砂岩取心作业中易出现的一些问题进行了探讨,一些经验教训可供类似作业参考。
5)  loose sandstone
疏松砂岩
1.
Ability to supply accessory technology while managing of loose sandstone oil field;
疏松砂岩油田治理中的配套技术
2.
Mechanism and protective measures of sand production in loose sandstone reservoirs-taking Taiping and Shangdian oilfield as examples;
疏松砂岩储层出砂机理和保护措施——以太平油田和尚店油田为例
3.
Ultrasonic test of loose sandstone and the result analysis;
疏松砂岩超声测试及其结果分析
6)  unstressed sand
疏松砂层
补充资料:粉砂岩
粉砂岩
siltstone

   由粒径为0.0625~0.0039毫米(mm)的粉砂的含量占50%以粉砂岩标本的一种碎屑沉积岩。除粉砂以外其它由砂、粘土或化学沉淀物组成。按粒度划分为粗粉砂岩(0.0625~0.0312mm)和细粉砂岩(0.0312~0.0039mm)。按碎屑成分划分为石英粉砂岩、长石粉砂岩、岩屑粉砂岩(少见)和它们间的过渡类型。根据胶结物成分划分为粘土质粉砂岩、铁质粉砂岩、钙质粉砂岩和白云质粉砂岩。黄土也是一种疏松的或半固结的粉砂质沉积物。粉砂岩多形成于河漫滩、三角洲、潟湖和海洋的较深水部位。
    
   

粉砂岩标本

粉砂岩标本

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