压裂管外封隔器通过打压坐封，用来分隔水平段产层。该封隔器设计有金属膨胀支 撑环， 封隔压力高。封隔器坐封时芯轴不动，仅靠外套推动下坐封胶皮。因此可以用来 分隔若干层段。管外封隔器等级可以达到：300℉ (149℃) 和 10,000 psi (70MPa)。

◎ 扭矩等级，6000英尺·磅； 

◎ 坐封时芯轴不动；

◎ 抗挤压膨胀式金属支撑环；

◎ 紧凑设计便于通过狗腿段；

◎ 可调节初始坐封压力。

ET-FRA OPEN HOLE EXTERNAL CASING PACKER

Fracturing external casing packer is set by applying pressure on the tubing to separate the  horizontal stage of the production zone. This packer is designed with expandable metal backup  ring for high packing pressure. No mandrel movement is required during the setting and the  rubber is set only by the external sleeve drive. Thus, this packer can be used to pack a number of  stages. The external casing rating is up to 300 °F (149 °C) and 10,000 psi (70MPa).

FEATURES

◎ Torque rating: 6000Ft.*LBS; 

◎ No mandrel movement is required during the packer setting; 

◎ Anti-extrusion expandable metal backup ring;  

◎ Compact design make it convenient for dog-leg stage to pass;  

◎ Initial setting pressure is adjustable.

Note: Other specification products are available.