摘要
介绍了机械转向、化学转向和纤维转向三大类暂堵重复压裂转向技术的优缺点。讲述了堵球转向、最大压差及注入速率转向、连续油管转向和封隔器转向的机理和存在的问题,概括了机械转向的特点;介绍了化学微粒转向、泡沫转向、聚合物转向和VES转向酸的发展历程,以及最新纤维转向的机理和最新的发展情况,并对暂堵剂未来的发展方向进行了探讨。
Three types of temporary plug repeated fracturing steering: mechanical steering,chemical steering and fiber temporary plugging were reviewed.It discloses the mechanism and problems of blocking the ball to turn,mapdir,coiled tubing steering and packer steering,summarizing the characteristics of mechanical steering; it also tells the development of chemical particle turning,foam turns,polymer steering and viscoelastic surfactant turning acid,besides the mechanism of fiber steering and the direction of development of the new temporary plugging agent in recent years.
引文
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