Swellable plug packers of PGT type: 123.45x6-7(-)89, where 1. PGT - packer type. 2. Type of packer design: "B" - vulcanised.

Purpose: Packers are designed for long-term isolation of well intervals, including: for separation of formations, isolation of inter formation flows. Packers are used in: well construction; well stimulation; workover and isolation works; well workover etc.
Advantages: Reliable and irreversible isolation of formations during well construction, absence of valve systems and moving parts in the packer design, causing the possibility of packer failure, no need for special operations and special running tools for their installation in the well.
Design features: Depending on customer requirements, packers are supplied in two basic versions: sleeve version (for mounting the packer elastomer on the casing pipe immediately before running into the well) and vulcanised version (with elastomer fixed on the base pipe by vulcanisation).