Both oil and gas are less dense than water, so they generally tend to rise upward through water-saturated rock and sediment.
石油和天然气的密度都比水小，所以二者通常会浮在被水浸泡的岩石和沉积物的表层。
Then the statistical damage constitutive model is developed for saturated and unsaturated rock based on the mixture theory.
在混合物理论基础上，建立了饱和、非饱和岩石损伤软化统计本构模型。
Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.
当雨水迅速累积在土地上并且产生了大量被水浸透的岩石，泥土与碎屑时，泥石流就形成了。
The saturated rock is taken as a solid-liquid two-phase medium. Perturbation method is used to analyze the stability conditions.
将饱和岩石视为固液两相介质，用小扰动方法进行稳定性分析。
Considering engineering practice, seismic wave propagation in nearly saturated rock is studied by using the viscoelastic two-phase model.
从工程实践出发，采用粘弹性两相介质模型，详细研究了地震波在准饱水岩层中的传播问题。
The dielectric dispersion curves of the dry and water saturated rock samples are given based on the experimental results of 400 rock samples.
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。
Under static condition the acoustic wave detection is applied to study the filtering characteristics experimentally for two kinds of saturated rock specimens (sandstone and granite).
在静态条件下用声波探测法对两种饱水岩石标本(砂岩、花岗岩)的滤波特性进行了实验研究。
Much of the water in a sample of water-saturated sediment or rock will drain from it if the sample is put in a suitable dry place.
如果把水饱和的沉积物或岩石样品放在合适的干燥的地方，样品中的大部分水将从中流出。
Earlier work had suggested that the rate at which rock dissolved could speed up dramatically when the fluid is nearly saturated with carbon dioxide.
早期的研究发现当水中的二氧化碳几乎饱和时，岩石溶解的速度可能会显著加快。
Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock, and they are usually identified by gas chromatogram-mass spectrum.
甾萜类化合物存在于原油和生油岩的饱和烃组分中，通常用色谱-质谱法鉴定。
Experimental results of a uniaxial compression test for a saturated soft rock with low permeability verified an initial increase of rigidity and a strength reduction.
单轴压试验验证了常见低渗透的饱和软岩受压前期刚度加大、强度减小。
A constitutive model for the saturated soft rock was developed by using an influence factor of pore water.
引进孔隙水影响因子建立了饱和软岩本构模型。
This paper performs an acoustic parameters testing of 20 pieces of low porous and permeable rock sample of Well Fangshen 8 in Daqing Oil Field under the condition of fully saturated water and gas.
对大庆油田芳深8井20块低孔、低渗岩样，在完全饱和水和气的条件下进行声学参数测试。
Field in-situ rock, river water samples, saturated - drying cycle experiment was carried out, under the conditions of uniaxial compression characteristics of acoustic emission (AE) test.
野外采集原位岩石、江水样品，进行饱和-烘干循环试验，在单轴压缩状况下进行声发射(AE)特性试验。
Under two limit conditions, namely, long wave and short wave, the saturated brittle rock is stable.
在两种极端情况下——长波和短波，饱和脆性岩石总是稳定的。
It presents the idea that under the non-saturated environment of rock-soil, the poisonous metal exists chiefly in the form of residual appearance.
本文以大量的实际资料为依据，阐述了毒性金属形态变化与岩土饱水性的关系，提出了在非饱和环境的岩土中。
The comprehensive analysis of above features showed that there was a strong biodegradation of saturated hydrocarbon fractions in Jurassic coal rock in Manjiaer Depression of Tarim Basin.
通过对这些指标的综合分析，可以推断塔里木盆地满加尔凹陷煤系曾遭受较强烈的生物降解。
The stress relaxation test of saturated silty mudstone under triaxial compression is carried out on the rljw-2000 rock microcomputer-controlled rheology servo test system by step loading method.
采用rljw—2000型岩石三轴流变伺服仪，在分级加载条件下完成饱和粉砂质泥岩的三轴压缩应力松弛试验。
The new method is sensitive to the unfavorable low resistively geologic bodies filled with water or mud such as faults, caves, zones of rock fracture and water-saturated fracture zone.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反应灵敏。
The relation between clay-bearing carbonate rock acoustical and lithological characters was investigated under the air-saturated condition.
考察在空气饱和状态下，含泥质碳酸盐岩声波性质与岩性特征之间的关系。
The relation between clay-bearing carbonate rock acoustical and lithological characters was investigated under the air-saturated condition.
考察在空气饱和状态下，含泥质碳酸盐岩声波性质与岩性特征之间的关系。
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