沉积物岩心主要记录的是沉淀在海底沉积物,一层又一层,记录它们沉淀时的海洋系统状况。
Sediment cores are essentially a record of sediments that settled at the sea floor, layer by layer, and they record the conditions of the ocean system during the time they settled.
几十年来,科学家们致力于在难以介入的北冰洋底收集沉积物岩心,以期了解北极过去的情况。
For decades, scientists have strived to collect sediment cores from the difficult-to-access Arctic Ocean floor, to discover what the Arctic was like in the past.
随着科学家从北极运来更多的沉淀物岩心,波里·亚克及其合作者想了解更多过去冰范围的详细信息,并将此类信息在时间上进一步向后追溯。
As scientists pull more sediment cores from the Arctic, Polyak and his collaborators want to understand more details of the past ice extent and to push this knowledge further back in time.
要确定气候变化是如何改变北极湖泊的这种生物地球化学循环系统,德莱夫尼克的研究小组分析了来自加拿大北极地区和挪威斯瓦尔·巴德9个湖泊的沉积物岩心样本。
To determine how climate change alters this biogeochemical cycle in Arctic lakes, Drevnick's team analyzed sediment cores from nine lakes in the Canadian Arctic and in Svalbard, Norway.
研究了碱表面活性剂聚合物(简称asp)体系的基本流变性以及流变参数在岩心中沿渗流方向的变化规律。
The basic rheological properties of ASP system and the variation rules of rheological parameters in cores along the direction of percolation flow are studied.
采用毛玻璃模型、填充砂管和人造岩心封堵实验,研究了多孔介质的表面润湿性对交联聚合物溶液(LPS)封堵性能的影响。
The effect of surface wettability of porous media on the plugging properties of LPS was studied through the ground glass model, quartz sand-packed tube and artificial core plugging experiments.
模拟油在岩心中的自发乳化驱采收率和总采收率分别为24.5%和71.8%,与超低界面张力聚合物表面活性剂驱相近。
The simulated oil spontaneous emulsification flooding recovery and total recovery with cores are enhanced by 24.5% and 71.8%.
此外,就如何缩短驱替时间,更好地建立岩心中聚合物的饱和吸附问题也进行了讨论。
Furthermore, the problem how to shorten the displacement time and establish the saturated adsorption of the polymer in core was discussed.
当聚合物的相对分子质量及其分布宽度相同时,随着岩心渗透率变异因数的增大,其聚合物驱采收率也随之增加。
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.
通过改变聚合物溶液浓度和岩心渗透率,计算了较宽浓度范围和渗透率范围内的衰竭层效应。
The depleted effects in a wider range of concentration and permeability of polymer solution were calculated with variations of polymer concentration and core permeability.
介绍了两种堵剂的配方及聚合物堵剂封堵岩心的能力。
The formulas of the two gels and the core plugging capacity of the polymer gel are presented.
通过对岩心沉积物间隙水成分的研究,表明成岩环境主要为还原环境。
The study on the composition of interstitial water in the sediment shows that diagenesis environment is mainly a reductive environment.
岩心实验结果表明,2株菌的混合发酵液可提高聚合物驱后岩心的原油采收率12.26%。
The results of core experiments show that the mixture fermentation liquid of these two bacteria can increase the recovery factor of the crude oil after polymer flooding by 12.26%.
对于非均质岩心,聚合物对驱油效率的贡献大于表面活性剂的贡献,此外还对三元段塞注入的大小和浓度进行了优化。
To heterogeneous core, the contribution of polymer to the displacement efficiency is higher than that of surfactant. The size of the ASP slug and the concentration of chemicals were also optimized.
数值模拟及岩心实验表明,二类油层聚合物驱油适宜采用宽分子量聚合物驱油,可以获得更好的聚合物驱油效果。
Numerical simulation and core experiment show that wide molecule weight polymer is recommendable for polymer flooding in the second type reservoir.
在滞留有聚合物的岩心中,水的流动规律不符合达西定律。
It has been found that the flow behavior of water through rock samples with retained polymer molecules in it does not follow Darcy's law.
对含有滞留聚合物分子的岩心进行常规的水测渗透率试验。
Permeabilities decrease with the de- crease of pressure differential or flow rate, which has been observed when routine measurements for determining rock permeability to water is being conducted.
在生物聚合物特性研究的基础上,探讨了岩心注入能力和封堵调剖能力。
Based on the bio polymer property, core flooding ability and biopolymer plug adjustment capacity are discussed.
通过大量非均质和均质岩心物理模拟实验,给出了三元复合驱和聚合物驱替原油时的合理流度比。
This paper performs a large number of heterogeneous and homogeneous core physical simulation experiments and gives the reasonable mobility ratio of polymer flooding, ASP flooding and oil displacement.
此外,就如何缩短驱替时间,更好地建立岩心中聚合物的饱和吸附问题也进行了讨论。
Furthermore, the problem how to shorten the displacement time and establish the saturated adsorption of the poly...
Santee海岸储藏岩心是从加州南部的查尔斯顿的545英尺深的钻井中采集的,代表白垩纪晚期、古新世、始新世和第四纪的沉积物。
The Santee Coastal Reserve core, a 545 ft deep borehole in northeastern Charleston County, South Carolina, recovered sediments of Late Cretaceous, Paleocene, Eocene, and Quaternary age.
⑧烃类液体混合物在储层真实岩心中的吸附受压力的影响很小,实际应用中,可以不考虑压力对吸附量的影响;
The pressure has a week impact on the adsorption of hydrocarbon liquid mixtures in the true reservoir rock, for practical application, we can ignore the impact;
⑧烃类液体混合物在储层真实岩心中的吸附受压力的影响很小,实际应用中,可以不考虑压力对吸附量的影响;
The pressure has a week impact on the adsorption of hydrocarbon liquid mixtures in the true reservoir rock, for practical application, we can ignore the impact;
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