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首页> 外文期刊>Journal of Dispersion Science and Technology >An overview of surfactant applications in drilling fluids for the petroleum industry
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An overview of surfactant applications in drilling fluids for the petroleum industry

机译：表面活性剂在石油工业钻井液中的应用概述

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Surfactants are increasingly being used in an ever-expanding variety of applications for drilling fluids. In oil-based drilling fluids, the most well-known applications of surfactants are as emulsifiers and wetting agents. In water-based drilling fluids, there is a continually-growing variety of applications that include: oil-in-water emulsification in base fluid formulations; shale-swelling inhibitors to prevent wellbore instabilities; detergency to prevent cuttings sticking to drill bit (adhesion of clay to metal parts); prevention of differential sticking; dispersants to inhibit flocculation of clay particles; foaming additives, to generate high gas/water ratio foam used as drilling fluids for low-pressure reservoirs and hard-rock drilling; defoaming additives to eliminate undesirable foam in water-based fluids; surfactant-polymer complexes for enhanced properties in fluids for low-pressure reservoirs. This review describes historical and modern applications of surfactant technology in drilling fluids, and the impact of those molecules on drilling operations. Proper selection and application of surfactants in drilling fluids have a significant economic impact, in terms of reducing the amount of lost time and potential trouble, and have a direct consequence on overall drilling performance and results. [References: 38]
机译：表面活性剂正越来越多地用于钻井液的各种应用中。在油基钻井液中，表面活性剂的最著名应用是作为乳化剂和湿润剂。在水基钻井液中，存在不断增长的各种应用，包括：基础液配方中的水包油乳化;页岩溶胀抑制剂，以防止井眼失稳;防止钻屑粘在钻头上的去污力（粘土与金属零件的粘合）;防止差异粘附;分散剂，以抑制粘土颗粒的絮凝;发泡添加剂，产生高气/水比的泡沫，用作低压储层和硬岩钻探的钻井液;消泡添加剂，以消除水基液体中的不良泡沫;表面活性剂-聚合物配合物，可增强低压油藏流体的性能。这篇综述描述了表面活性剂技术在钻井液中的历史和现代应用，以及这些分子对钻井作业的影响。就减少浪费的时间和潜在的麻烦而言，在钻井液中正确选择和使用表面活性剂具有重大的经济影响，并直接影响整体钻井性能和结果。 [参考：38]

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