Downhole throttler with vortex for water drainage and gas recovery

The utility model discloses a vortex downhole throttler for water drainage and gas recovery, which mainly comprises a central tube, a throttling nozzle connected to the bottom end of the central tube, and a vortex tube, a shaft tube sleeve, a slip component, a rubber sleeve component and a sand prevention cover which are sequentially connected to the outer part of the central tube from top to bottom, at least one vortex groove is spirally formed in the periphery of the vortex tube, the shaft tube sleeve extends upwards and annularly covers the periphery of the vortex tube, and the bottom end of the vortex tube is provided with a flow turning annular space capable of communicating the vortex groove of the vortex tube with a center hole of the center tube. And an external flow guide hole capable of communicating the external environment of the shaft pipe sleeve with the bypass annulus is formed in the shaft pipe sleeve at the bypass annulus. According to the downhole operation tool based on integration of the t