gravel pack

简明释义

砾石过滤层

英英释义

例句

1.The gravel pack acts as a filter to keep larger particles from entering the well.

该砂砾填充作为过滤器，防止较大颗粒进入井中。

2.A correctly placed gravel pack can significantly extend the lifespan of a well.

正确放置的砂砾填充可以显著延长井的使用寿命。

3.During the completion phase, we will add a gravel pack to enhance the well's stability.

在完井阶段，我们将添加砂砾填充以增强井的稳定性。

4.The engineer designed a new well with a proper gravel pack to ensure optimal water flow.

工程师设计了一个新的井，使用了合适的砂砾填充以确保最佳水流。

5.After drilling, we installed a gravel pack to prevent sand production in the oil well.

钻探后，我们安装了砂砾填充以防止油井中的沙子生产。

作文

In the field of petroleum engineering, the term gravel pack refers to a method used to stabilize the walls of a well and prevent the migration of sand and other particles during the extraction of oil or gas. The process involves placing a layer of gravel around the wellbore, which serves as a filter to allow fluids to flow while keeping larger particles out. This technique is crucial for maintaining the integrity of the well and ensuring efficient production. Without a proper gravel pack, wells can become clogged with sand, leading to reduced flow rates and increased operational costs.The installation of a gravel pack typically occurs after the well has been drilled and before the completion phase. Engineers carefully select the size and type of gravel based on the geological conditions of the site. The choice of gravel is critical; it must be coarse enough to prevent fine particles from entering the well but also small enough to allow for optimal fluid flow. Once the appropriate gravel is chosen, it is pumped into the well under pressure, filling the annular space between the well casing and the formation.One of the significant advantages of using a gravel pack is that it enhances the longevity of the well. By preventing sand production, operators can avoid costly workovers and repairs. Moreover, a well equipped with a gravel pack tends to have a more stable production rate over time, which is essential for planning and forecasting in the oil and gas industry.However, the implementation of a gravel pack is not without its challenges. The process requires precise engineering and careful monitoring to ensure that the gravel is evenly distributed and that there are no voids or areas where sand could bypass the filter. Additionally, the cost of installing a gravel pack can be significant, especially in deepwater drilling operations where the logistics and materials involved are more complex.Despite these challenges, the importance of a gravel pack cannot be overstated. In many cases, it can be the difference between a successful well and one that fails to produce adequately. As technology advances, new methods and materials are being developed to improve the effectiveness of gravel packs and reduce their installation costs. For instance, some companies are exploring the use of synthetic materials or advanced polymers that can provide similar filtration benefits with less weight and lower cost.In conclusion, the gravel pack is a vital component in the completion of oil and gas wells. Its role in stabilizing the wellbore and preventing sand migration makes it an essential practice in the industry. As engineers continue to innovate and improve upon existing methods, the future of gravel packs looks promising, ensuring that they remain a key element in the efficient extraction of hydrocarbons from the earth's crust.

在石油工程领域，术语gravel pack指的是一种用于稳定井壁并防止在提取石油或天然气过程中砂子和其他颗粒迁移的方法。该过程涉及在井筒周围放置一层砾石，作为过滤器，允许流体流动，同时阻止较大颗粒进入。此技术对于保持井的完整性和确保高效生产至关重要。如果没有适当的gravel pack，井可能会因砂子堵塞而导致流量减少和运营成本增加。gravel pack的安装通常发生在钻井完成后，完成阶段之前。工程师根据现场的地质条件仔细选择砾石的大小和类型。砾石的选择至关重要；它必须足够粗，以防止细小颗粒进入井中，但也必须足够小，以允许最佳的流体流动。一旦选择了合适的砾石，就会在压力下将其泵入井中，填充井套管与地层之间的环形空间。使用gravel pack的一个显著优势是它增强了井的使用寿命。通过防止砂子产生，操作人员可以避免昂贵的修复和返工。此外，配备有gravel pack的井通常在时间上具有更稳定的生产率，这对于石油和天然气行业的规划和预测至关重要。然而，实施gravel pack并非没有挑战。该过程需要精确的工程设计和仔细的监测，以确保砾石均匀分布，并且没有空隙或沙子可以绕过过滤器。此外，安装gravel pack的成本可能很高，特别是在深水钻探作业中，物流和材料的复杂性更高。尽管面临这些挑战，gravel pack的重要性不容小觑。在许多情况下，它可以决定一口井的成功与否，以及其是否能够充分生产。随着技术的进步，新方法和材料正在被开发，以提高gravel packs的有效性并降低其安装成本。例如，一些公司正在探索使用合成材料或先进聚合物，这些材料可以提供类似的过滤好处，同时减轻重量和降低成本。总之，gravel pack是石油和天然气井完井的重要组成部分。它在稳定井筒和防止砂子迁移中的作用使其成为该行业的重要实践。随着工程师不断创新和改进现有方法，gravel packs的未来看起来充满希望，确保它们在高效提取地壳中的碳氢化合物方面继续发挥关键作用。