K******5/**8 Packer

Usage: This type of packer is used in casing, which for tubing & casing annulus and protecting casing, and also in HP acidification, fracturing, cementing, pressure testing and so on. According to string tools selection, it could satisfy well servicing operation in finding and sealing casing leakage.

Structure features: Running packer to determined depth, increase pressure in string tool, liquid entering into element through middle tube and slot. Element is inflated, which could seal tubing & casing annulus.

Release pressure to unset the packer. When differential pressure between tubing and casing disappears, rubber element returns back by its spring, then unset the packer.



Dual Locking Packer

Usage: Dual locking packer is one type of hanging packers which has a large ID with bypass, and could seal pressure from double sides. Rotating and pulingl up & down string tools to set and unset. It could be used in middle or shallow casing well for DST testing, acidification, cementing and etc.

Structure features: It has special mechanical locking system and double-slip structure, which could seal any pressure from top or bottom of the packer after setting without increasing drill pressure.