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Usage：This type of Packer has some advantages, such as sealing well, setting reliable, unsetting easily, production and assembly easily and operation conveniently. It is mainly used to stratified well testing, water injection, water plugging, acidification, fracture and etc.
Structure feature：The Packer is composed by hydraulic anchor, circulating system, packer element, mechanical slip and transposer. Single slip support, rotating string tools to set and pull up string to unset. Slip and anchor are after special treatment, could touch casing surface strictly. Anchor spring and drag block spring are high-tensile and high strength, which could prevent of packer string block cause of anchor spring rust together with surface and could not back. |
