Expansion pipe repairing device
An expansion tube and subsidy technology, which is applied in the direction of wellbore/well components, earthwork drilling, etc., can solve the problems of expansion tube inefficiency, cumbersome operation, and long time consumption, so as to improve efficiency, increase expansion success rate, and improve passability Effect
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[0032] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art Modifications to various equivalent forms of the present invention fall within the scope defined by the appended claims of the present application.
[0033] The invention provides an expansion pipe subsidy device, which is used for efficiently repairing casing damaged wells.
[0034] The upper or lower position described in this article refers to the use state of the expansion tube subsidy device after entering the downhole. To be precise, the position of the upper expansion cone of the expansion tube subsidy device is relatively up and down. The position of the cone is relatively downward.
[0035]...
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