1) sandstone acidizing
砂岩酸化
1.
The mechanisms involved in sandstone acidizing reactions and leading to amorphous silica precipitation(ASP) are discussed in brief.
讨论了砂岩酸化中产生水化硅沉淀的反应机理。
2.
This paper briefly reviews the kinetic mechanisms of sandstone acidizing reaction, and introduces the recent research achievements abroad in this aspect.
本文简要回顾了砂岩酸化反应动力学的历程。
3.
Therefor, it makes great senses to study the reservior damage of sandstone acidizing.
因而开展砂岩酸化对储层伤害的研究有着重要的意义,目前涉及这方面的研究主要以室内实验评价为主,但实验方法只能给出定性或半定量的结论。
3) acid fracturig in sandstone
砂岩酸压
5) sandstone densification
砂岩致密化
1.
Based on the analysis of Paleozoic fault characteristics, burial history, characteristics of fluid inclusions, hydrocarbon-generation history, sandstone densification process, it was considered that there were two accumulation stages in this area.
通过对鄂尔多斯盆地杭锦旗地区古生界断裂特征、埋藏历史、包裹体特征、生烃历史、砂岩致密化过程进行分析,认为该地区天然气成藏存在2个成藏期。
6) highly weathered sandstone
强风化砂岩
1.
Physical properties of highly weathered sandstone at Hongshanyao;
红山窑强风化砂岩试验特性
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。
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参考词条