Field test demonstrates that 30 MPa pressure of drilling fluid at bottom hole can be achieved by using the downhole centrifugal supercharging device .

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Design of Integrated Supercharging Device for Injection Pipe Fatigue Test

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Using high pressure oxygen cylinder as supercharging device pressure test of autopolymerizing acrylic resin was carried out .

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In consideration of the problems of short life and poor reliability of the plunger supercharger used in ultra-high pressure jet drilling a scheme for structural design of a downhole centrifugal supercharging device is proposed .

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