扩张式封隔器在老井试修中的应用试验

Application Test of Expansion Packer in Old Well Testing and Repair

针对四川低效油气田老井挖潜改造的需要,应用了国内外的扩张式封隔器,介绍了该型封隔器的基本结构、工作原理、技术参数以及施工操作程序。分析了该封隔器施工失效的原因。

Aiming at the need of tapping the potential of old wells in low-efficiency oil and gas fields in Sichuan,the expandable packers at home and abroad are tested and applied.The basic structure,working principle,technical parameters and construction operation procedure of the packer are introduced.The causes of construction failure of the packer are analyzed.