Estimation of permeability distribution for cracked medium by wave velocity and permeability tensor
通过波速和渗透率张量估计裂纹介质的渗透率分布
基本信息
- 批准号:21760681
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Young Scientists (B)
- 财政年份:2009
- 资助国家:日本
- 起止时间:2009 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In order to propose the hydrogeological model, we try to estimate permeability tensor defined by crack geometry and wave velocity. The permeability testing method was developed by using newly introduced vessel for permeability measurement and high-accuracy pump, and the permeability dependence with coffining pressure was measured. Here, the confining pressure is changing 0 to 10MPa. Additionally, the crack geometry was estimated by the multi directional wave velocity using the developed crack geometry - wave velocity relation. In this study, crack density per unit volume and crack anisotropy could be estimate by the distribution of wave velocities. The estimated permeability is almost correspond with the measured permeability.
为了提出水文地质模型,我们尝试估计由裂纹几何形状和波速速度定义的渗透率张量。渗透性测试方法是通过使用新引入的容器进行渗透性测量和高临界性泵而开发的,并测量了与覆盖压力的渗透性依赖性。在这里,限制压力将变化为0到10MPA。此外,使用已开发的裂纹几何形状 - 波速度关系,通过多方向波速度估算裂纹几何形状。在这项研究中,可以通过波速分布来估计每单位体积和裂纹各向异性的裂纹密度。估计的渗透率几乎与测得的渗透率相对应。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Changes in permeability of cracked rock due to rotation of principal stress axes in terms of crack tensor and permeability tensor
由于主应力轴在裂纹张量和渗透率张量方面的旋转而导致的裂纹岩石渗透率的变化
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Takemura;T.;Takahashi;M.
- 通讯作者:M.
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TAKEMURA Takato其他文献
Microscopic visualization of rocks by micro focus X-ray CT under confining and pore pressures
通过微焦点 X 射线 CT 在围压和孔隙压力下对岩石进行显微可视化
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:0
- 作者:
TAKAHASHI Manabu;TAKEMURA Takato;LIN Weiren;URUSHIMATSU Yukihiko - 通讯作者:
URUSHIMATSU Yukihiko
TAKEMURA Takato的其他文献
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{{ truncateString('TAKEMURA Takato', 18)}}的其他基金
Evaluation of risk for fault reactivation and migration by means of sequential scratch test using core specimens
使用岩心样本进行连续划痕测试来评估断层重新激活和迁移的风险
- 批准号:
19K04603 - 财政年份:2019
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study of fine bubble behavior in ground in liquid-air-chemical coupled field
液-气-化学耦合场中地面细小气泡行为研究
- 批准号:
16H04411 - 财政年份:2016
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)