可溶桥塞在水平井分段压裂中的应用研究

Research on the Application of Soluble Bridge Plug in Multi-Stage Fracturing of Horizontal Well

可溶桥塞是非常规油气井水力压裂的主要分段工具,因其可溶的特性,在压裂施工现场被广泛应用。根据可溶桥塞的应用现状,总结了其常用的结构类型和特点,展示了现场应用效果。通过分析施工中经常出现的问题,列出了解决问题的方案;为提高应用效果,提出发展可溶材料技术和研发小外径桥塞等措施,以期通过对可溶桥塞应用情况的系统研究,为可溶桥塞技术的发展提供思路。

Soluble bridge plug is the main segmental tool for hydraulic fracturing of unconventional oil and gas wells.Because of its solubility,it is widely used in fracturing construction site.According to the application status of soluble bridge plug,the commonly used structure types and characteristics are summarized,and the field application effect is shown.Through the analysis of the problems that often occur in the construction,the solutions to the problems are listed.In order to improve the application effect,measures such as developing soluble material technology and developing small external diameter bridge plug are put forward.Through the systematic study of the application of the soluble bridge plug,it is expected to provide ideas for the development of the soluble bridge plug technology.