Archie's formulas

简明释义

阿尔奇公式;

英英释义

例句

1.In geophysics, we often rely on Archie's formulas 阿基的公式 to estimate the porosity of rock formations.

在地球物理学中，我们常常依赖于Archie's formulas 阿基的公式来估算岩石层的孔隙度。

2.When conducting a geological survey, applying Archie's formulas 阿基的公式 can help determine fluid saturation.

在进行地质调查时，应用Archie's formulas 阿基的公式可以帮助确定流体饱和度。

3.During my internship, I learned how to apply Archie's formulas 阿基的公式 in real-world scenarios.

在我的实习期间，我学习了如何在实际场景中应用Archie's formulas 阿基的公式。

4.Understanding Archie's formulas 阿基的公式 is crucial for anyone working in hydrogeology.

理解Archie's formulas 阿基的公式对任何从事水文地质学工作的人来说都是至关重要的。

5.The oil industry uses Archie's formulas 阿基的公式 to evaluate reservoir characteristics.

石油行业使用Archie's formulas 阿基的公式来评估油藏特性。

作文

In the field of geophysics, understanding subsurface properties is crucial for various applications, including oil exploration and environmental studies. One of the key tools that scientists and engineers use to estimate these properties is known as Archie's formulas. Developed by the geophysicist Gus Archie in the 1940s, these formulas provide a mathematical framework for relating the electrical resistivity of a saturated rock to its porosity and fluid saturation. The significance of Archie's formulas lies in their ability to help researchers infer important geological information without the need for extensive drilling or sampling.The basic premise of Archie's formulas is that the resistivity of a rock is influenced by the amount of pore space available (porosity) and the type of fluids filling those pores. Specifically, Archie's formulas can be expressed in two main equations: the first relates the resistivity of the rock to its porosity, while the second accounts for the saturation of the pore spaces with conductive fluids such as water or hydrocarbons.The first equation, often referred to as Archie’s first law, states that the resistivity of a clean, water-saturated rock is inversely related to its porosity. This means that as porosity increases, the resistivity decreases. This relationship is crucial because it allows geophysicists to estimate the porosity of a rock formation by measuring its resistivity during exploration activities.The second equation, known as Archie’s second law, introduces the concept of saturation. It suggests that the resistivity of a rock saturated with hydrocarbons will differ from that of a water-saturated rock. By using Archie's formulas, scientists can determine the water saturation of the rock, which is essential for evaluating the potential yield of oil and gas reservoirs.Furthermore, Archie's formulas have been instrumental in the development of modern reservoir characterization techniques. By integrating these formulas with other geophysical methods, such as seismic surveys and well logging, geologists can create detailed models of subsurface formations. These models are invaluable for making informed decisions about drilling locations and extraction strategies.However, it is important to note that while Archie's formulas provide a solid foundation for estimating subsurface properties, they also have limitations. For example, they assume that the rock is homogeneous and isotropic, meaning that its properties are uniform in all directions. In reality, many geological formations exhibit heterogeneity, which can lead to discrepancies between predicted and actual resistivity values. As a result, geophysicists must often supplement Archie's formulas with additional data and analysis to achieve accurate results.In conclusion, Archie's formulas are a vital component of geophysical exploration, enabling scientists to estimate key subsurface properties efficiently. Their application has transformed the way we understand and exploit natural resources, particularly in the oil and gas industry. As technology continues to advance, the integration of Archie's formulas with modern geophysical techniques will undoubtedly enhance our ability to explore and manage Earth's resources sustainably.

在地球物理学领域，理解地下属性对各种应用至关重要，包括石油勘探和环境研究。科学家和工程师用来估算这些属性的关键工具之一被称为Archie's formulas。这一公式由地球物理学家古斯·阿奇（Gus Archie）在20世纪40年代开发，提供了一个数学框架，用于将饱和岩石的电阻率与其孔隙度和流体饱和度联系起来。Archie's formulas的重要性在于它们能够帮助研究人员推断出重要的地质信息，而无需进行大量的钻探或取样。Archie's formulas的基本前提是，岩石的电阻率受可用孔隙空间（孔隙度）和填充这些孔隙的流体类型的影响。具体而言，Archie's formulas可以用两个主要方程表示：第一个方程将岩石的电阻率与其孔隙度相关联，而第二个方程则考虑到孔隙空间的导电流体（如水或碳氢化合物）的饱和度。第一个方程，通常称为阿奇的第一定律，表明清洁水饱和岩石的电阻率与其孔隙度成反比。这意味着，随着孔隙度的增加，电阻率会降低。这一关系至关重要，因为它允许地球物理学家通过在勘探活动中测量电阻率来估算岩石层的孔隙度。第二个方程，被称为阿奇的第二定律，引入了饱和的概念。它表明，饱和碳氢化合物的岩石的电阻率将与水饱和岩石的电阻率不同。通过使用Archie's formulas，科学家可以确定岩石的水饱和度，这对于评估油气储层的潜在产量至关重要。此外，Archie's formulas在现代储层特征化技术的发展中发挥了重要作用。通过将这些公式与其他地球物理方法（如地震勘测和井测量）结合，地质学家可以创建地下形成的详细模型。这些模型对于做出关于钻探位置和开采策略的明智决策是非常宝贵的。然而，重要的是要注意，虽然Archie's formulas为估算地下属性提供了坚实的基础，但它们也有局限性。例如，它们假设岩石是均匀和各向同性的，这意味着其属性在所有方向上都是均匀的。实际上，许多地质形成表现出非均匀性，这可能导致预测值和实际电阻率值之间的差异。因此，地球物理学家通常必须用额外的数据和分析来补充Archie's formulas，以获得准确的结果。总之，Archie's formulas是地球物理勘探的重要组成部分，使科学家能够有效地估算关键的地下属性。它们的应用改变了我们理解和利用自然资源的方式，特别是在石油和天然气行业。随着技术的不断进步，将Archie's formulas与现代地球物理技术相结合无疑将增强我们可持续探索和管理地球资源的能力。