areal sweep efficiency

简明释义

1. 面积波及系数; 2. 横向波及系数; 3. 平面波及效率; 4. 区域扫油效率;

英英释义

例句

1.In enhanced oil recovery, techniques are applied to maximize the areal sweep efficiency of the injected water.

在提高石油回收率的过程中，采用技术来最大化注入水的面积扫掠效率。

2.The simulation results indicated that the areal sweep efficiency reached 85% with the new injection strategy.

模拟结果表明，采用新注入策略后，面积扫掠效率达到了85%。

3.The oil recovery process heavily depends on the areal sweep efficiency, which is the measure of how effectively the injected fluid displaces oil in a given area.

石油回收过程在很大程度上依赖于面积扫掠效率，这是衡量注入流体在特定区域内有效置换石油的程度。

4.Improving the areal sweep efficiency can significantly enhance the overall production rates in mature oil fields.

提高面积扫掠效率可以显著提高成熟油田的整体生产率。

5.Field studies have shown a direct correlation between reservoir pressure and areal sweep efficiency.

实地研究表明，储层压力与面积扫掠效率之间存在直接相关性。

作文

In the field of petroleum engineering, one of the critical concepts that engineers must understand is areal sweep efficiency. This term refers to the effectiveness with which a fluid, such as water or gas, displaces oil from a reservoir during enhanced oil recovery processes. To grasp the importance of areal sweep efficiency, it is essential to consider how oil reservoirs are structured and how fluids interact within them.Oil reservoirs are typically heterogeneous, meaning that they consist of various rock types and porosities. When a secondary recovery method, like water flooding, is implemented, the injected water must sweep through the reservoir efficiently to maximize oil recovery. The areal sweep efficiency quantifies this process by measuring the area of the reservoir that is effectively contacted by the injected fluid. A higher areal sweep efficiency indicates that a larger portion of the reservoir has been swept clean of oil, leading to better recovery rates.Several factors can influence areal sweep efficiency. One significant factor is the injection strategy employed. For instance, if water is injected in a pattern that promotes uniform distribution, the areal sweep efficiency will be higher. Conversely, if the injection is poorly managed, it may lead to channeling, where the fluid follows a preferential path and leaves large portions of the reservoir unswept. Therefore, careful planning and execution of injection strategies are paramount to improving areal sweep efficiency.Another aspect to consider is the fluid properties involved in the displacement process. The viscosity of the injected fluid compared to the viscosity of the oil can significantly impact areal sweep efficiency. If the injected fluid is too viscous, it may not flow easily through the porous rock, resulting in lower efficiency. Engineers must select the appropriate fluids and adjust their properties to optimize the areal sweep efficiency.Additionally, the geological characteristics of the reservoir play a crucial role in determining areal sweep efficiency. Variations in permeability can lead to uneven flow patterns, impacting how effectively the injected fluid can traverse the reservoir. Understanding the geology of the reservoir allows engineers to predict and enhance areal sweep efficiency through targeted techniques such as fracturing or acidizing, which can improve the flow paths for the injected fluids.In conclusion, areal sweep efficiency is a vital metric in the oil recovery process, directly influencing the amount of oil that can be extracted from a reservoir. By understanding the factors that affect this efficiency, including injection strategies, fluid properties, and geological characteristics, petroleum engineers can develop more effective recovery methods. As the demand for oil continues to grow, maximizing areal sweep efficiency will remain a key focus in the industry, ensuring that we can meet energy needs while utilizing existing resources more effectively.

在石油工程领域，工程师必须理解的一个关键概念是面积扫掠效率。这个术语指的是在增强油气回收过程中，液体（如水或气体）从油藏中置换油的有效性。要理解面积扫掠效率的重要性，必须考虑油藏的结构以及流体在其中的相互作用。油藏通常是非均质的，这意味着它们由各种岩石类型和孔隙度组成。当实施二次回收方法，如水驱时，注入的水必须有效地扫过油藏，以最大化油的回收。面积扫掠效率通过测量被注入流体有效接触的油藏面积来量化这一过程。更高的面积扫掠效率表明油藏的更大部分已被清扫干净，从而提高了回收率。影响面积扫掠效率的几个因素值得关注。其中一个重要因素是所采用的注入策略。例如，如果水以促进均匀分布的模式注入，则面积扫掠效率会更高。相反，如果注入管理不当，可能会导致通道现象，即流体沿优先路径流动，留下大量油藏未被扫掠。因此，精心规划和执行注入策略对于提高面积扫掠效率至关重要。另一个需要考虑的方面是涉及置换过程的流体特性。注入流体与油的粘度相比，可能会显著影响面积扫掠效率。如果注入的流体粘度过高，可能无法顺利流过多孔岩石，从而导致效率降低。工程师必须选择适当的流体并调整其特性，以优化面积扫掠效率。此外，油藏的地质特征在决定面积扫掠效率方面也起着至关重要的作用。渗透率的变化可能导致流动模式的不均匀，从而影响注入流体穿越油藏的有效性。了解油藏的地质情况使工程师能够预测和提高面积扫掠效率，通过针对性的技术，如压裂或酸化，改善注入流体的流动路径。总之，面积扫掠效率是油气回收过程中一个重要的指标，直接影响从油藏中提取的油量。通过理解影响这一效率的因素，包括注入策略、流体特性和地质特征，石油工程师可以开发更有效的回收方法。随着对石油需求的不断增长，最大化面积扫掠效率将继续成为行业的重点，确保我们能更有效地利用现有资源以满足能源需求。