1) tight sandstone gas reservoir
致密砂岩气藏
1.
Method Three types of dynamic balance modes of gas migration and accumulation are set up for Changde tight sandstone gas reservoir on the basis of estimating thc amount of gas supplying and diffusing during cach geological period, and then the remaining,depositing and accumulative depositing gas amount of cach geological period are also studied.
方法在估算昌德致密砂岩气藏各地质时期供气量和扩散量的基础上，建立了昌德天然气三种运聚动平衡模式，进而对其各地质时期的剩余气量、赋存气量和累积赋存气量进行研究。
2.
Low-permeability and tight sandstone gas reservoir is the most promising and most important energy reality for our country in the 21st century.
由毛管压力引起的水锁损害是出现“井井见气,井井不争气”现象的主要地质原因之一,这就需要继续深化对致密气藏渗流机理与水锁机理的认识,认清影响水锁的因素及规律,为致密砂岩气藏的合理有效开发提供理论依据。
3.
Gas drilling is an effective technique of formation damage control,high productivity and good effect are gotten in development of tight sandstone gas reservoir by this technique in China,but the results of some wells are bad,and downhole complex problems are taken place.
致密砂岩气藏是非常重要的非常规油气资源,其储层致密、孔喉细小、黏土改造作用强、强亲水且原始水饱和度低;采用钻井液钻开储层可能造成较为严重损害,且难以解除,严重影响气井产能。
2) tight sand gas
致密砂岩气藏
1.
The tight sand gas is one of unconventional gas, it is also an important candidate resources of conventional gas.
在总结前人研究的基础上,结合构造演化历史背景,动态的研究致密砂岩气藏烃源岩生排烃高峰期与储层致密演化史二者之间的关系,将致密砂岩气藏划分为两种类型:储层先期致密深盆气藏型(“先成型”深盆气藏)与储层后期致密气藏型(“后成型”致密气藏)。
3) tight sandstone gas
致密砂岩气
1.
Oil shale,tight sandstone gas,coalbed gas and shale gas are of better exploration value.
其中,油页岩、致密砂岩气、煤层气、和页岩气开发价值较高,是目前最为现实的非常规油气资源。
5) shallow tight sand gas
浅层致密砂岩气
1.
In order to know the conditions of shallow tight sand gas reservoir formation,the gas-source rock was studied in Dongliang district in the Fuxin basin on the basis of organic petrological and geochemical study.
为了解阜新盆地浅层致密砂岩气成藏条件,应用有机岩石学和有机地球化学方法,对气源岩特征开展研究。
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