一种高性能可回收式防砂封隔器，主要用于分层充填井的层间隔离，也可用于普 通层间隔离或卡层。通过油管内打压，压力传递给活塞腔内的活塞，活塞推动内锁环向前移动压缩胶筒坐封，封隔油套管环空实现隔离每一层段。

ISOLATION PACKER

INTRODUCTION

A high-performance pull-release sand-control packer, majorly used in inter-layer isolation in layered pack well, also can be used in normal inter-layer isolation or layer plugging. Through inner pressurizing of tubing to transmit pressure to piston, making it to push inner lock-ring  moving forward to compress the rubber sleeve setting, sealing the annulus space between tubing  and casing to realize the isolation of each layer.

Note: Other specification products are available.