primary recovery

简明释义

最初采收率，最初回收率

英英释义

例句

1.In geothermal energy production, primary recovery helps in extracting steam directly from the earth.

在地热能源生产中，初级回收有助于直接从地球中提取蒸汽。

2.The oil industry often focuses on primary recovery to extract the easiest accessible oil from reservoirs.

石油行业通常关注初级回收以从油藏中提取最容易获取的石油。

3.After the primary recovery process, secondary methods are used to enhance extraction.

在初级回收过程之后，采用二次方法来增强提取。

4.The primary recovery phase is crucial for maximizing the output of a well during its early life.

在井的早期阶段，初级回收阶段对于最大化产出至关重要。

5.Understanding the primary recovery techniques can significantly improve production efficiency.

了解初级回收技术可以显著提高生产效率。

作文

In the field of petroleum engineering, the term primary recovery refers to the initial phase of extracting crude oil from a reservoir. This process typically involves the natural pressure found in the reservoir, which forces the oil to the surface without the need for additional energy sources. Understanding primary recovery is crucial for engineers as it lays the foundation for further extraction methods and influences the overall efficiency of oil production.During the primary recovery phase, engineers rely on the natural characteristics of the reservoir. The pressure within the reservoir decreases over time as oil is extracted, which can lead to a decline in production rates. This natural depletion emphasizes the importance of effective management strategies during this phase. Engineers must monitor reservoir pressure, temperature, and fluid characteristics to optimize the extraction process.One of the key challenges during primary recovery is the phenomenon known as 'gas cap expansion.' As oil is drawn out, gas that was previously dissolved in the oil or trapped in the reservoir begins to expand and can push additional oil towards the wellbore. However, this process is not always efficient, and engineers often face difficulties in maximizing the amount of recoverable oil.Additionally, the efficiency of primary recovery can vary significantly depending on the geological characteristics of the reservoir. Factors such as rock porosity and permeability play a vital role in determining how easily oil can flow through the rock formations. In reservoirs with high permeability, oil can be extracted more efficiently, whereas lower permeability reservoirs may require enhanced techniques to improve recovery rates.The importance of primary recovery cannot be overstated. It is estimated that this initial phase can recover about 10-20% of the total oil in place within a reservoir. This percentage may seem low, but it sets the stage for secondary and tertiary recovery methods, which can extract additional oil using various techniques, including water flooding and gas injection.Furthermore, understanding the limitations of primary recovery helps in planning for future recovery strategies. Engineers must evaluate the economic viability of continuing production once primary methods have been exhausted. This evaluation includes analyzing the costs associated with secondary and tertiary recovery methods, as well as the potential yield from these processes.In conclusion, the concept of primary recovery is fundamental to the oil extraction industry. It represents the first step in a complex process that requires careful planning, monitoring, and management. By grasping the principles behind primary recovery, engineers can better prepare for subsequent recovery phases and work towards maximizing the total yield from oil reservoirs. Ultimately, a thorough understanding of primary recovery not only enhances production efficiency but also contributes to the sustainable management of natural resources, ensuring that we can meet energy demands while minimizing environmental impacts.

在石油工程领域，术语primary recovery指的是从油藏中提取原油的初始阶段。这个过程通常涉及油藏中自然存在的压力，它将油推送到地表，而无需额外的能源来源。理解primary recovery对于工程师至关重要，因为它为进一步的提取方法奠定了基础，并影响了整体的石油生产效率。在primary recovery阶段，工程师依赖于油藏的自然特性。随着油的提取，油藏内的压力会随着时间的推移而下降，这可能导致生产率的下降。这种自然枯竭强调了在这一阶段有效管理策略的重要性。工程师必须监测油藏的压力、温度和流体特性，以优化提取过程。在primary recovery过程中，一个主要挑战是被称为“气帽膨胀”的现象。当油被抽取时，先前溶解在油中或被困在油藏中的气体开始膨胀，并可以将额外的油推向井口。然而，这一过程并不总是高效的，工程师常常面临最大化可回收油量的困难。此外，primary recovery的效率可能因油藏的地质特征而异。岩石的孔隙度和渗透率等因素在决定油如何容易地流过岩石层方面起着至关重要的作用。在高渗透率的油藏中，油的提取可以更高效，而低渗透率的油藏可能需要增强技术来提高回收率。primary recovery的重要性不容小觑。据估计，这一初始阶段可以回收油藏中约10-20%的总油量。这个百分比看似较低，但它为二次和三次回收方法奠定了基础，这些方法可以通过各种技术提取额外的油，包括水驱和气体注入。此外，了解primary recovery的局限性有助于规划未来的回收策略。工程师必须评估在主要方法耗尽后继续生产的经济可行性。这一评估包括分析与二次和三次回收方法相关的成本，以及这些过程的潜在产量。总之，primary recovery的概念对于石油提取行业至关重要。它代表了一个复杂过程的第一步，该过程需要仔细的规划、监测和管理。通过掌握primary recovery背后的原理，工程师可以更好地为后续的回收阶段做好准备，并努力最大化油藏的总产量。最终，深入理解primary recovery不仅提高了生产效率，还促进了自然资源的可持续管理，确保我们能够满足能源需求，同时最小化对环境的影响。