Downhole hydraulic cutting tool
A technology for hydraulic slitting and tools, which is applied in wellbore/well components, mining fluids, earth-moving drilling, etc. The effect of easy maintenance and increased surface area
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0018] Such as figure 1 As shown, a kind of downhole hydraulic cutting tool described in the embodiment of the present invention includes a mover, a resetter and a nozzle 16 connected in sequence; Pipe 1, the moving inner pipe can slide relative to the moving outer pipe through a hydraulic drive device; The inner tube 2 of the mover is fixedly connected, the outer tube 10 of the resetter is fixedly connected with the outer tube 1 of the mover, and the inner tube 11 of the resetter is driven by the inner tube 2 of the mover to move along the The outer tube 10 of the reset device slides, and a reset spring 12 is arranged between the inner tube 11 of the reset device and the outer tube 10 of the reset device, and the reset spring 12 is u...
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