sandstones

Experimental study on deformation mode and mechanism of sandstones

砂岩变形方式和变形机制的实验研究

Elementary analysis on the main factors affecting the permeability of sandstones

浅析影响砂岩渗透性的主要因素

Sand was deposited which hardened into sandstone .

沙经沉积固结形成沙岩。

Sandstone cuts easily .

沙岩容易切割。

Both clay and sandstone are unstable rock formations .

黏土和砂岩都是不牢固的岩石构造。

Behind the habitations , the sandstone cliffs rose abruptly to the north and west .

在居住区后面，北边和西边陡然高耸着砂岩悬崖。

This channel is filled with cross-bedded sandstone .

该河边充填着具交错层理的砂岩。

The cardium sandstone is lithic , being composed of grains of chert , quartz , quartzite , silicified argillite , and other rock fragments .

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

This sandstone unit is commonly thick-bedded and massive , with silty and carbonaceous laminations .

该砂层单元通常为厚层或块状，具粉砂质和碳质纹层

Analysis of formation mechanism and control factors of Triassic sandstone fracture

东濮凹陷三叠系砂岩裂缝形成机理及控制因素

Stochastic simulation methods analysis of channel sandstone reservoir . On Sand

河道砂储集层随机模拟方法分析

Characteristic Analysis and Control Methods of the Sandstone Water in Vertical Shafts

立井井筒砂岩水特性分析及治理方法

A chemical damage model of sandstone in acid environment

酸性环境中钙质胶结砂岩的化学损伤模型

Application of formation stress in fracturing development for tight sandstone reservoir

地应力及其在致密砂岩气藏压裂开发中的应用

The method and technical study for sandstone type of uranium by seismic survey

砂岩型铀矿地震勘探方法技术研究

Fracture development and strain field around the stress induced crack area in sandstone

细砂岩裂纹周围变形破坏过程及应变场分布

Determination method of strength parameters for sandstone and marble with one specimen

单一试样确定大理岩和砂岩强度参数的方法

Fracture description technology and application in low permeability and thin sandstone reservoirs

低渗透薄砂岩储层裂缝描述技术及应用

Relationship between the shear strength and water content of swelling sandstones

膨胀砂岩的抗剪强度与含水量的关系

The hydrogeological characteristics and control of fracture water in sandstone in mine

矿区砂岩裂隙水水文地质特征及其防治措施

Ultrasonic test of loose sandstone and the result analysis

疏松砂岩超声测试及其结果分析

It is found that seism process can improve sandstone reservoir quality .

研究发现地震对地层的改造作用能改善砂岩储层的储集物性。

Research on the Shear Strength Parameter of Sandstone Fracture

砂岩结构面抗剪强度参数研究

An quantitative prediction of thin layer sandstone by cluster and incidence degree analysis

利用聚&关分析法进行薄层砂体定量预测

Experimental study on the relation between compression strength of sandstone and interval transit time

砂岩抗压强度与声波时差关系的实验研究

High pressure state parameters of fluid - saturated sandstones

流体饱和砂岩在高压下的物性参数

Comprehensive prevention and control technology of water from sandstone crack of coal mining face roof

工作面顶板砂岩裂隙水综合防治技术

The logging technology of exploring the coal bed methane in sandstone

煤成气砂岩储层的测井探测技术

Types and characteristics of deep sandstone reservoirs in Shengli petroleum province

胜利油区深部砂岩储集层类型及特征

Study on the influence of water-rock interaction to the strength of sandstone

水岩相互作用对砂岩单轴强度的影响研究