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首页> 外文期刊>Clean air >USING NANOTECHNOLOGY FOR CO_2-FOAMS STABILIZATION FOR APPLICATION IN ENHANCED OIL RECOVERY
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USING NANOTECHNOLOGY FOR CO_2-FOAMS STABILIZATION FOR APPLICATION IN ENHANCED OIL RECOVERY

机译：使用纳米技术将CO_2泡沫稳定化，以提高采收率

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CO _( 2 ) foams are able to improve oil recovery by blocking high permeable channels and mobility control which are the main challenges of conventional CO _( 2 ) flooding. Because of the specific properties of CO _( 2 ) , CO _( 2 ) foams are less stable than N _( 2 ) foams. Therefore, introducing stabilizing agents for application in harsh reservoir conditions is highly crucial. Some chemicals such as different surfactants and polymers have been proposed for enhancing the stability of CO _( 2 ) foams, but they lose their performance at elevated temperatures, pressures, and salinities. Many researchers have proposed using nanoparticles as CO _( 2 ) -foams stabilizers since their thermal and mechanical stability make them better stabilizers than polymers and surfactants, and they can resist high pressures, temperatures, salinities, and shear of reservoir conditions. In this study, a review is done on the most recent studies performed for investigating the performance of various types of nanoparticles for CO _( 2 ) -foams stabilization at different environmental conditions. The main mechanisms involved, the most important stability tests for nanoparticles and CO _( 2 ) foams, and comparison between nanoparticles and other stabilizing agents are included and explained in this review. Finally, one of the most important parameters that can control and limit the use of nanoparticles-stabilized CO _( 2 ) foams for enhanced oil recovery process, i.e., transport of nanoparticles in porous media, is discussed in detail.
机译：CO_（2）泡沫能够通过阻塞高渗透性通道和控制流动性来提高采油率，这是常规CO_（2）驱油的主要挑战。由于CO _（2）的特定特性，CO _（2）泡沫比N _（2）泡沫不稳定。因此，引入稳定剂以用于恶劣的储层条件是至关重要的。已经提出了一些化学药品，例如不同的表面活性剂和聚合物，以增强CO_（2）泡沫的稳定性，但是它们在高温，高压和高盐度下失去了性能。许多研究人员已提议使用纳米颗粒作为CO_（2）-泡沫稳定剂，因为它们的热和机械稳定性使其比聚合物和表面活性剂更好的稳定剂，并且它们可以抵抗高压，高温，盐度和储层条件的剪切作用。在这项研究中，对进行的最新研究进行了综述，以研究各种类型的纳米颗粒在不同环境条件下对CO_（2）-泡沫稳定的性能。本文涉及并解释了所涉及的主要机理，最重要的纳米粒子和CO_（2）泡沫的稳定性测试以及纳米粒子和其他稳定剂之间的比较。最后，详细讨论了可以控制和限制使用纳米颗粒稳定的CO_（2）泡沫来提高采油率的最重要参数之一，即纳米颗粒在多孔介质中的运输。

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