Drilling water injection test system

The invention belongs to the technical field of drilling water injection detection, and particularly relates to a drilling water injection test system, which solves the technical problems in the background technology, and comprises an air injection part, a water injection part, a lifting part and a double-end water plugging device, the double-end water plugging device comprises two hole sealing air bags connected by a steel pipe, the bottom of the steel pipe is sealed, and the water injection part is connected with the lifting part. The upper hole sealing air bag is provided with connectors used for being connected with the air injection part, the water injection part and the lifting part respectively, the hole sealing air bags are isolated from water through a steel pipe, the two air bags are communicated through an air injection pipe, and a plurality of water outlet holes are reserved in the steel pipe between the two air bags. The drilling water injection test system is simple in structure, convenient to o