Well flow string is adopted to machine

The utility model provides a well flow string is adopted to machine, include: sleeve pipe, oil pipe, oil -well pump, packer, seating nipple, oil pipe establishes with the axle sleeve the cover is intraductal, oil pipe with space between the sleeve pipe constitutes the oil sleeve annulus sky, the packer passes through the central through hole and installs oil pipe is last, oil -well pump and oil pipe's lower end connection, the seating nipple is installed oil pipe is last, and lies in the oil -well pump with between the packer, the packer, be used for with empty first space and the second spaceof faling into of oil sleeve annulus, the second space is arranged in holding the oil of payzone, the seating nipple is used for channeling into part in the second space is gaseous, and will the gaseous tubing conveyed of passing through locates to release to the sheathed tube valve. The utility model has the advantages of simple and reasonable structure, can reduce the interlayer interference ofoil well, reduce the aeri