Fracturing device
A fracturing and switching technology, applied in wellbore/well valve devices, wellbore/well components, and production fluids, etc., can solve the problem of reducing the inner diameter of the wellbore, reducing the oil production efficiency of the oil well, and failing to realize the large-diameter production channel of the wellbore and other problems to achieve the effect of improving oil production efficiency
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[0054] In order to make the technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Unless otherwise defined, all technical terms used in the embodiments of the present invention have the same meanings as commonly understood by those skilled in the art.
[0055] This embodiment provides a fracturing device, which includes: multi-stage sequentially connected fracturing mechanisms. Such as figure 1 As shown, the fracturing mechanism includes an upper joint 1 , a body 2 , a sliding sleeve 3 , a lower joint 4 , a switch nipple 5 and a soluble ball 6 . The lower end of the upper joint 1 is connected with the upper end of the body 2 . The lower end of the body 2 is connected with the upper end of the lower joint 4 . The sliding sleeve 3 is arranged inside the body 2 through the shear pins 7 . The inner surface of the sliding sleeve 3 is p...
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