1) low-permeability sandstone rock
低渗透致密砂岩
1.
Research on calculation of effective stress in low-permeability sandstone rock under cyclic loading and unloading
变围压循环下低渗透致密砂岩有效应力方程研究
2) low permeability and tight sandstone
低渗致密砂岩
1.
On the basis of core description, integral fracture recognition, lithomechanics test, 3D finite element numerical simulation is used to quantitatively predict fractural growth characteristics and distribution rules of Es4 low permeability and tight sandstones in the area.
在岩心裂缝描述、裂缝综合识别、岩石力学试验等研究的基础上,应用三维有限元数值模拟,对该区沙四段低渗致密砂岩裂缝发育特征及其分布规律进行了定量预测。
3) low-permeability sandstone
低渗透砂岩
1.
An experimental study on oil migration and accumulation in low-permeability sandstone;
低渗透砂岩石油运移及成藏特征模拟实验
2.
Based on the comprehensive geological study of Niu-20, Chun-41, Zhuang-74 and Daluhu low-permeability sandstone oil pools, the research content and method of the geological model on the reservoir heterogeneity of low-permeability sendstone oil pools in Shengli oil district were sumarized systematically in this paper.
该文在牛20、纯41、桩74、大芦湖等低渗透砂岩油藏地质综合研究的基础上,系统总结了胜利油区低渗透砂岩油藏储层非均质地质模型的研究内容和方法。
4) low permeability sandstone
低渗透砂岩
1.
Threshold pressure gradient of low permeability sandstone;
低渗透砂岩渗流启动压力梯度
2.
The poor producing degree and the economic benefit of the low permeability sandstone by vague injection-production is caused by changeful sedimentary microfacies and high intra-layer and plane heterogeneity in whole oil reservoir set.
针对陕北低渗透砂岩小油田因沉积微相多变,层内和层间非均质性强,整个油层组笼统注采开发采出程度低以及经济效益差等现状,通过对顺宁长12油藏充分利用岩芯分析和测井曲线等基础地质资料,加强沉积微相研究,开展油藏小层精细划分对比及小层砂体连通性分析,明确了主要注采小层在空间上的展布规律,为优化注水开发方案和选用先进注采配套工艺技术措施提供了比笼统注采更为精细的开发地质依据。
3.
The structural fractures in fractured low permeability sandstone reservoirs have great effect on displacement efficiency.
裂缝性低渗透砂岩油层中的构造裂缝对驱油效率有明显影响。
5) low-permeability sandstone reservoir
低渗透砂岩储层
1.
Development characteristics and geneses of the fractures in low-permeability sandstone reservoir in the nothern depression of Tuha Basin;
吐哈盆地北部凹陷低渗透砂岩储层裂缝发育特征及成因
2.
The distribution laws of remaining oil in delta-front low-permeability sandstone reservoirs were analyzed.
以三角洲前缘低渗透砂岩储层为例,综合应用多学科理论和技术,建立了长期注水开发低渗透砂岩油藏的动态模型和剩余油仿真模型,研究了剩余油分布规律,并建立了高含水率开发阶段储层微观剩余油的三类分布模式。
6) low permeability sandstone reservoir
低渗透砂岩储层
1.
Structural fracture prediction and aperture analysis for low permeability sandstone reservoir;
低渗透砂岩储层构造裂缝预测及开启性分析
2.
The fracture of low permeability sandstone reservoir is the storage space of petroleum and the main passage of its transportation.
低渗透砂岩储层中裂缝既是储油空间,又是油气运移的主要通道,对储层裂缝的描述和预测是其开发地质研究的重要内容。
补充资料：低渗溶液
低渗溶液
hypotonic solution
低于人血浆渗透压的溶液。人血浆渗透压为0.71kPa。通常以此为标准来衡量溶液的渗透压，低于此标准的溶液被称为低渗溶液。主要用于高渗性脱水的病人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条