effective permeability

简明释义

有效渗透率

英英释义

例句

1.Engineers must consider the effective permeability when designing drainage systems.

工程师在设计排水系统时必须考虑有效渗透率。

2.The effective permeability of the soil affects how quickly water drains after heavy rainfall.

土壤的有效渗透率影响大雨后水分排出的速度。

3.The laboratory tests revealed that the effective permeability of the rock was lower than expected.

实验室测试显示，该岩石的有效渗透率低于预期。

4.The oil reservoir's effective permeability is crucial for determining the optimal extraction strategy.

油藏的有效渗透率对确定最佳开采策略至关重要。

5.In groundwater studies, measuring the effective permeability helps assess aquifer sustainability.

在地下水研究中，测量有效渗透率有助于评估含水层的可持续性。

作文

In the field of geology and petroleum engineering, the term effective permeability refers to the ability of a porous material to transmit fluids, taking into account the presence of multiple fluid phases within the pores. This concept is crucial for understanding how fluids move through reservoir rocks, as it directly affects the efficiency of oil and gas extraction processes. The effective permeability is not merely a measure of the rock's porosity; rather, it is a more complex parameter that reflects how different fluids interact with each other and with the solid matrix of the rock. To grasp the significance of effective permeability, one must first understand the basic principles of fluid flow in porous media. When we consider a rock formation, it contains various interconnected pores that can be filled with different fluids, such as oil, water, or gas. Each of these fluids has its own viscosity and density, which influence how easily they can flow through the rock. The effective permeability of a rock is affected by the saturation levels of these fluids. For instance, if a rock is predominantly filled with water, the effective permeability to water will be higher than to oil or gas due to the differences in their physical properties.Moreover, the concept of effective permeability becomes even more intricate when we consider multiphase flow scenarios. In a situation where both oil and water are present, the flow characteristics change significantly compared to a single-phase flow. The presence of one fluid can hinder the flow of another, leading to a decrease in effective permeability. This interaction is often described using relative permeability curves, which illustrate how the permeability to one fluid changes as the saturation of another fluid varies.Understanding effective permeability is vital for engineers and geologists when designing extraction strategies for hydrocarbons. By accurately measuring and modeling this property, they can predict how much oil or gas can be recovered from a reservoir. This information is essential for optimizing production rates and minimizing costs. Additionally, it plays a critical role in environmental assessments, as it helps in predicting how contaminants might migrate through subsurface formations.In summary, effective permeability is a fundamental concept in the study of fluid dynamics within porous media. It encompasses the complexities of fluid interactions and is essential for effective resource management in the oil and gas industry. A deeper understanding of this term not only aids in improving extraction techniques but also contributes to better environmental stewardship by informing strategies to mitigate the risks associated with subsurface fluid movements.

在地质学和石油工程领域，术语有效渗透率指的是多孔材料传输流体的能力，同时考虑到孔隙中存在多个流体相。这一概念对于理解流体如何在储层岩石中移动至关重要，因为它直接影响到石油和天然气提取过程的效率。有效渗透率不仅仅是岩石孔隙度的一个测量；相反，它是一个更复杂的参数，反映了不同流体之间以及流体与岩石固体基质之间的相互作用。要理解有效渗透率的重要性，首先必须了解多孔介质中流体流动的基本原理。当我们考虑一个岩石形成时，它包含各种相互连接的孔，这些孔可以被不同的流体填充，例如油、水或气体。每种流体都有其自己的粘度和密度，这影响着它们通过岩石的流动难易程度。岩石的有效渗透率受到这些流体的饱和水平的影响。例如，如果一块岩石主要充满水，则对水的有效渗透率将高于对油或气体的渗透率，因为它们的物理特性不同。此外，当我们考虑多相流动场景时，有效渗透率的概念变得更加复杂。在油和水同时存在的情况下，流动特性与单相流动相比发生显著变化。一种流体的存在可能会阻碍另一种流体的流动，从而导致有效渗透率的降低。这种相互作用通常使用相对渗透率曲线来描述，后者展示了当另一种流体的饱和度变化时，某种流体的渗透率如何变化。理解有效渗透率对于工程师和地质学家在设计碳氢化合物提取策略时至关重要。通过准确测量和建模这一属性，他们可以预测从储层中可以回收多少石油或天然气。这一信息对于优化生产率和降低成本至关重要。此外，它在环境评估中也发挥着关键作用，因为它有助于预测污染物如何在地下形成中迁移。总之，有效渗透率是研究多孔介质中流体动力学的基本概念。它涵盖了流体相互作用的复杂性，对于石油和天然气行业的有效资源管理至关重要。对这一术语的深入理解不仅有助于改善提取技术，还通过告知减轻地下流体运动相关风险的策略，促进更好的环境管理。