Sliding anti-creep packer

Abstract

The utility model discloses a sliding type anti -creep packer, specifically relates to packer technical field, including packer main part, the packer main part includes inner tube, elastic sleeve, sealing connection pipe, tail cylinder and first connecting pipe, the outside of inner tube one end is equipped with inner connecting pipe, the outside of inner tube one end is equipped with connecting thread sleeve, the first connecting pipe is installed in one end of sealing connection pipe. The utility model discloses when actually using, through the corresponding setting state of sealing connection pipe, first connecting pipe, sliding seal cover, support spring and osmotic pressure hole, make elastic sleeve outward expansion and carry out the packer to the inner wall of downhole pipeline, when the pressure of elastic sleeve inside and the pressure of inner tube inside maintain in the balanced state, support spring will automatically push against sliding seal cover and restore the original position, redivide inner tube and elastic sleeve, make elastic sleeve maintain packer state, operation is more convenient, can also automatically seal to elastic sleeve simultaneously, and the packer effect is better and more stable.

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