Reservoir transformation system of in-situ leaching production well
The utility model discloses an in-situ leaching production well reservoir transformation system which comprises a sleeve unit and a pipe column unit, in an initial state, a well washing valve ball is not put in, a lower packer is plugged by a plugging assembly, a processing nozzle is connected to a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an in-situ leaching production well reservoir transformation system which comprises a sleeve unit and a pipe column unit, in an initial state, a well washing valve ball is not put in, a lower packer is plugged by a plugging assembly, a processing nozzle is connected to a nozzle hole, and a processing medium is conveyed into a nozzle cavity; the processing nozzle is used for slotting or perforating the reinforcing sleeve and the reservoir to be transformed, then the upper packer and the lower packer are used for plugging an annular space between the tubular column unit and the reinforcing sleeve, the well washing valve ball is put in, ore bed transformation liquid is conveyed into the mounting cavity through the upper packer, the well washing valve ball plugs the communication channel, and the reservoir to be transformed is formed. The liquid pressure borne by the well washing valve seat and the well washing valve ball is continuously increased, the shearing nail is cut off by the w |
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