Seat seal mechanism used for packing type tail pipe hanger
A liner hanger and packer technology, which is applied in wellbore/well parts, earthwork drilling and production, etc., can solve the problems of sealing hanger in advance, so as to make it easy to judge by hand, prevent scratches, Increase the effect of lifting displacement
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[0040] Below in conjunction with embodiment, further illustrate the present invention.
[0041] The purpose of the present invention is to provide a safe and reliable sealing mechanism including a running tool for a sealed hanger. Such as figure 1 As shown, the setting mechanism of the present invention includes a running tool, a sealing shell 23, a tie-back barrel 4, a packer, and the like.
[0042] Wherein, the sealing shell 23 and the tie-back barrel 4 are both cylindrical structures, and the tie-back barrel 4 is sleeved on the outside of the seal shell 23 . Both the upper and lower ends of the connecting barrel 4 protrude from the upper and lower ends of the sealed casing 23 .
[0043] The packer includes a packer body 31 and a seat cover 29 covering the middle of the packer body, both of which are cylindrical structures, and are fixed with packer shears 28 therebetween. A packer rubber cartridge set 30 is installed between the lower end surface 40 of the seat cover 29 ...
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