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- Low resistivity pay zone includes two types of reservoirs, one is siltstone reservoir, the other is clayey sandstone reservoir. 低电阻油层主要有两种储集层类型:一种是粉砂岩储集层;另一种是含粘土矿物的砂岩储集层.
- The influenes of triaxial stress states on the elastic wave velocities of clayey sandstone,and claystone and hard siliceous sandstone have been determined by experiments. 岩石所受的三向应力状态对其弹性波传播性质有一定的影响,此认识为所做的以泥质砂岩、泥岩和硅质胶结的坚硬砂岩为试样的实验所证实。
- clayey sandstone 粘土质砂岩
- Roll deposits cut across sandstone bedding. 卷型矿床切穿砂岩的层理。
- Sand was deposited which hardened into sandstone. 沙经沉积固结形成沙岩。
- The sandstone and shale units are of the same age. 砂岩和页岩单元是同时的。
- The sandstone shows a more persistent oscillation. 砂岩表示一个更为持久的扰动。
- The river Till was a wide, sluggish, clayey water. 铁尔河是一条宽阔,迂缓浑浊的河。
- This channel is filled with cross-bedded sandstone. 该河边充填着具交错层理的砂岩。
- These sandstone bodies form elongate lenses. 这些砂岩体形成伸长的透镜体。
- Clayey soils are dense and poorly aerated. 粘土结构紧,不容易通气。
- Gravelly and clayey hillsides facing south west. 砾石、粘土地,山脚面向西南;
- A house built or faced with brownish-red sandstone. 褐砂石房屋用褐砂石建的或用褐砂石糊表面的房屋
- A stone similar to this kind of sandstone. 蓝矾一种与蓝砂岩相似的石头
- And its spectacular sandstone topography. 以丹霞地貌著称于世。
- Sandstone is our most recently developed product. 砂岩是我司开拓的新产品。
- Houses in the area are built of sandstone. 这个地区的房屋都是用砂岩建的。
- The sandstone shows a more persistent oscillation . 砂岩表示一个更为持久的扰动。
- The turbidite sandstone is mainly thick-bedded. 浊积体以厚层块状为主。
- This indicates that the soil under observation was clayey or loamy. 这说明所研究的土壤属亚粘土或垆坶土。