含气与含水砂岩的共同特征是零炮检距的振幅P都为负。
The gas-bearing sandstone and water-bearing sandstone are characterized by negative P value of zero offset.
通过实验室试验，定量分析了含水砂岩组分，研究了其烘干、吸水随时间变化规律。
In this experiment component of water-bearing sandstone is quantitatively analyzed, and time relationship between drying and water suction of sandstone is also studied.
对于砂岩储层，含气砂岩的声阻抗比含油和含水砂岩的声阻抗低，利用这种差异可以直接识别储层中气体。
For sandstone reservoir, the acoustic impedance of gas-bearing sandstone is lower than that of oil - and water-bearing sandstone, gas in reservoir may be directly recognized by using this difference.
奥加拉拉含水层是一个砂岩地层，位于从德克萨斯州西北部延伸到南达科他州南部，约583000平方公里土地的地下。
The Ogallala aquifer is a sandstone formation that underlies some 583,000 square kilometers of land extending from northwestern Texas to southern South Dakota.
砂岩通常是良好的含水层，而细粒泥岩通常是不透水的。
Sandstones generally make good aquifers, while finer-grained mudstones are typically impermeable.
学者们对努比亚砂岩含水层寿命的估计相差悬疏，从一百年到一千年不等。
Estimates for the life of the Nubian sandstone aquifer range from a century to a millennium.
利比亚人称他们将停止使用西北撒哈拉水系统和努比亚砂岩水系统（世界上最大的化石含水层，为埃及、乍得、苏丹共同拥有）的水来种植小麦。
The Libyans say they may stop growing wheat using water from the NWSAS and the Nubian sandstone aquifer system, the world’s largest fossil aquifer, which they share with Egypt, Chad and Sudan.
借鉴国外含水层储气库注采运行的经验，提出了描述块状底水砂岩饱和油藏改建地下储气库注采运行的预测模型。
On the basis of theories of performance of aquifer gas storage in foreign countries. The prediction model of performance of underground gas storages rebuilt by sandstone reservoirs are established.
水的存在加剧了致密砂岩应力敏感程度，且含水饱和度越高应力敏感性越强；
The stress sensitivity of tight sands increases due to water existing. The higher the water saturations are, the stronger the stress sensitivity is.
沙曲煤矿山西组煤层开采过程中，煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
In the process of Shanxi formation seam mining in Shaqu Colliery, the seam roof and floor sandrock aquifers constitute the direct discharge aquifers.
在砂岩矿床的地浸试验和生产中，含矿含水层地下水承压水头很低时，地浸钻孔的开拓难度很大且工艺复杂。
During the test and production of in-situ leaching of sandstone deposit, it is very difficult and complicated to exploit boreholes when confined water head of ore-bearing acquifer is quite low.
对致密砂岩气藏含水饱和度的认识直接影响气藏储量评价及开发决策。
Recognizing the water saturation in tight gas reservoirs directly affects reserves evaluation and development measurement of the gas reservoirs.
研究结果表明：地下水位升降对膨胀砂岩地基变形所以有着强烈的影响，其根本原因是含水量的变化。
The results obtained in this paper show that groundwater levels rise and fall forcefully impact foundation deformation of swelling sandstone, its dominant factor is change of moisture content.
白垩系砂岩是鄂尔多斯高原的主要含水介质，对区内工农业、居民用水具有的重要的作用。
Cretaceous sandstone, the main aquifer in Ardos plateau, plays an important role in supplying industry and agriculture using water and inhabitant drinking-water.
通过实验研究及水侵过程的动态模拟计算，揭示了致密砂岩气藏气体渗流能力对含水饱和度的高度敏感性。
The experimental studies and the dynamic simulation calculation to water influx reveal that gas permeability has a high sensitivity to water saturation in the tight sandstone gas reservoirs.
致密低渗透砂岩储层一般以高含水为特征，其中缚水以水膜和毛管水形式存在。
The tight and low permeability sandstone reservoir generally shows character of highly filled water, and its irreducible water exists in water film and capillary water types in light of these.
针对胜坨油田高含水期出砂严重的实际情况，对该油田的储层砂岩进行了岩芯三轴抗压强度试验，获得了可靠的试验数据。
In order to deal with serious sanding problem in Shengtuo Oil Field in high water cut period, triaxial tests on the reservoir sandstone are carried out, and reliable data are gained.
含矿含水层中的碳酸盐对砂岩型铀矿床的地浸开采影响较大。
The carbonate of host bed aquifer has great influence on sandstone type uranium deposit of in-situ leaching.
硼(钆)-中子寿命测井以硼、钆化合物溶液作为指示剂，采用“测渗测”的方法，能够很好地解决多油层砂岩油田高含水后期监测储层剩余油饱和度的问题。
Boron gadolinium neutron life time logging is a method for monitoring the residual oil saturation in late of high water cut stage of sandstone oil field.
介绍了铁北煤矿在松软砂岩含水层下研究应用综放开采技术取得成功的做法及相关问题解决的途径。
This paper introduced successful experience in full-mechanized caving mining under soft sand aquifer and settlement approach of related problems in Tiebei Colliery.
对近400块油田泥质砂岩样品测量结果进行了分析，给出了干岩样和含水岩样的介电频散曲线。
The dielectric dispersion curves of the dry and water saturated rock samples are given based on the experimental results of 400 rock samples.
科学家估计，有相当于200年的水流沿尼罗河的砂岩含水层努比亚。
Scientists estimate that there is an equivalent of 200 years of water flowing down the Nile in the Nubian Sandstone Aquifer.
洛河砂岩水是黄陵矿区供水水源中的唯一水质水量合乎要求的含水层。
The Luohe sandstone water is the only aquifer with eligible water quality and quantity of water supply source in the Huangling mining area.
洛河砂岩水是黄陵矿区供水水源中的唯一水质水量合乎要求的含水层。
The Luohe sandstone water is the only aquifer with eligible water quality and quantity of water supply source in the Huangling mining area.
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