Water-flooded well drainage gas production process pipe column

The utility model discloses a water-flooded well drainage gas production process pipe column. The device comprises an oil pipe, a sucker rod and an oil-well pump, the lower end of the oil pipe is connected with a pump barrel of the oil-well pump; the device further comprises a desilting tail pipe, a wire winding screen pipe, a gas-liquid separator and a sucker rod anti-falling device. Wherein theupper end of the gas-liquid separator is connected with the lower end of a pump barrel of the oil well pump, the lower end of the gas-liquid separator is connected with the upper end of the oil pipe nipple, the upper end of the wire-wrapped screen pipe is connected with the lower end of the oil pipe nipple, and the lower end of the wire-wrapped screen pipe is connected with the upper end of the desilting tail pipe. And the lower end of the desilting tail pipe is connected with a guider. The water-flooded gas well can be continuously produced, potential safety and environmental protection hazards are reduced, the norma