Self-inflatable packer
A self-expanding and self-expanding technology, which is applied in sealing/isolation, wellbore/well components, earthwork drilling and production, etc., can solve the problems of rubber tube influence, inability to self-compensate and adjust, and complex structure, etc., to achieve seat sealing The effect is good and the effect of avoiding damage
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] see figure 1 with figure 2 As shown, the self-expanding packer proposed by the embodiment of the present invention includes a tubing body 1 , a self-expanding rubber cartridge 2 and two stop rings 3 . The oil pipe body 1 is axially movably threaded inside the self-expanding rubber cartridge 2 . Each limit ring 3 is sleeved on the outside of the tubing body 1 respectively, and is fixedly connected to the two ends of the self-expanding rubber tube 2 re...
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