absolute permeability

简明释义

绝对浸水率

英英释义

例句

1.To optimize water injection strategies, engineers need to know the absolute permeability of the formation.

为了优化注水策略，工程师需要了解地层的绝对渗透率。

2.A low absolute permeability can lead to challenges in hydrocarbon extraction.

低绝对渗透率可能会导致碳氢化合物提取中的挑战。

3.The geologist measured the rock's absolute permeability to determine its ability to transmit fluids.

地质学家测量了岩石的绝对渗透率以确定其传输流体的能力。

4.The laboratory tests showed that the sandstone had a high absolute permeability compared to shale.

实验室测试显示，砂岩的绝对渗透率相较于页岩较高。

5.In reservoir engineering, understanding absolute permeability is crucial for predicting oil recovery.

在油藏工程中，理解绝对渗透率对于预测石油回收至关重要。

作文

In the field of geology and petroleum engineering, the term absolute permeability refers to the ability of a material, typically a rock or soil, to transmit fluids through its pore spaces. This property is crucial for understanding how fluids move through subsurface formations, which is essential for activities such as oil extraction, groundwater management, and environmental remediation. The concept of absolute permeability is often measured in units of darcies or millidarcies, and it provides insight into the efficiency of fluid flow within a given material. Understanding absolute permeability requires a grasp of the underlying principles of fluid dynamics. When a fluid flows through a porous medium, it encounters resistance due to the friction between the fluid and the solid surfaces of the pores. This resistance is influenced by several factors, including the viscosity of the fluid, the size and shape of the pores, and the degree of saturation of the material. The higher the absolute permeability, the easier it is for the fluid to flow through the material, which is particularly important in applications like oil recovery where maximizing flow rates can lead to increased production. In practical terms, engineers and geologists often conduct laboratory tests to determine the absolute permeability of rock samples taken from potential drilling sites. These tests involve saturating the rock with a fluid and measuring the rate at which the fluid can be extracted under controlled conditions. The results of these tests help in predicting how much oil or gas can be recovered from a reservoir and in designing effective extraction strategies. Moreover, the absolute permeability of a geological formation can change over time due to various factors, including changes in pressure, temperature, and the chemical composition of the fluids involved. For instance, the injection of water or gas into an oil reservoir can alter the flow characteristics by changing the saturation levels of the rock pores, thereby affecting the absolute permeability. Understanding these changes is vital for optimizing extraction techniques and ensuring sustainable resource management. Additionally, the concept of absolute permeability is not limited to petroleum engineering; it also plays a significant role in environmental studies. For example, assessing the absolute permeability of soil is essential for determining how contaminants might spread through groundwater systems. If a soil has high absolute permeability, pollutants can migrate quickly, posing risks to ecosystems and human health. Conversely, materials with low absolute permeability can act as natural barriers, preventing the movement of harmful substances. In conclusion, absolute permeability is a fundamental property that influences fluid movement in geological formations. Its significance extends beyond petroleum extraction to encompass environmental protection and resource management. By understanding and measuring absolute permeability, professionals in various fields can make informed decisions that impact both economic outcomes and environmental sustainability.

在地质和石油工程领域，术语绝对渗透率指的是材料（通常是岩石或土壤）通过其孔隙空间传输流体的能力。这一属性对于理解流体如何在地下层中移动至关重要，这对于石油开采、地下水管理和环境修复等活动都是必不可少的。绝对渗透率的概念通常以达西或毫达西为单位进行测量，它提供了对给定材料内流体流动效率的洞察。理解绝对渗透率需要掌握流体动力学的基本原理。当流体在多孔介质中流动时，由于流体与孔隙固体表面之间的摩擦，流体会遇到阻力。这种阻力受到多个因素的影响，包括流体的粘度、孔的大小和形状以及材料的饱和程度。绝对渗透率越高，流体通过材料流动的难度就越小，这在石油回收等应用中尤为重要，因为最大化流速可以导致产量的增加。在实际操作中，工程师和地质学家通常会进行实验室测试，以确定来自潜在钻探地点的岩石样本的绝对渗透率。这些测试涉及用流体饱和岩石，并在控制条件下测量流体被提取的速率。这些测试的结果有助于预测可以从油藏中回收多少石油或天然气，并设计有效的提取策略。此外，地质层的绝对渗透率可能会随着时间的推移而变化，这取决于多种因素，包括压力、温度和流体的化学成分的变化。例如，向油藏注入水或气体可能会通过改变岩石孔隙的饱和水平来改变流动特性，从而影响绝对渗透率。理解这些变化对于优化提取技术和确保可持续资源管理至关重要。此外，绝对渗透率的概念不仅限于石油工程；它在环境研究中也发挥着重要作用。例如，评估土壤的绝对渗透率对于确定污染物如何在地下水系统中传播至关重要。如果土壤具有高绝对渗透率，污染物可能会迅速迁移，给生态系统和人类健康带来风险。相反，具有低绝对渗透率的材料可以作为自然屏障，防止有害物质的移动。总之，绝对渗透率是影响地质层中流体运动的基本属性。它的重要性超越了石油开采，涵盖了环境保护和资源管理。通过理解和测量绝对渗透率，各个领域的专业人士可以做出影响经济结果和环境可持续性的明智决策。