插管密封器主要与热采开关配合使用，用于打开井下开关，同时密封封隔器内通 道。注汽或采油过程中，插管密封器的密封插管插入井下热采开关中，使开关打开，连 通油层；同时插管与密封筒密封，防止注入热流体上窜到密封器以上的油套环空；上提 插管一定距离后，开关关闭。

主要特性

◎ 密封插管随着注热、采油工艺管柱起下； 

◎ 操作方便； 

◎ 密封可靠。

PLUG-IN SEALER

INTRODUCTION

Plug-in sealer is mainly used in conjunction with switch for thermal recovery to open the switch  underground and seal the channel in packer. When sealer is inserted in the underground switch during  steam injection or oil producing, the switch is turned on and reservoir is connected on; meanwhile, sealer  is sealed with the seal bore to prevent thermal fluid channeling up to tubing casing annulus upon the  packer; the switch is turned off after lifting the sealer for a certain distance.

FEATURES

◎ Plug-in sealer is tripped in and lifted with injection and production string; 

◎ Easy to operate;

◎ Sealing reliable.

Note: Other specification products are available.