Gas-containing confined water head measuring device

The utility model discloses a gas-containing confined water head measuring device which comprises a water-gas pressure measuring meter, a gas pressure measuring meter, a gas collecting bottle, a water-gas separation assembly, a conical reducing joint, a gate valve, a geothermal well pipe, a flow guide pipe, a connecting piece, a sealing piece and a stirrer. The steam pressure meter is mounted at the top end of the flow guide pipe; the bottom end of the flow guide pipe is connected with a geothermal well pipe; the gate valve is mounted at the top of the geothermal well pipe; the top end and thebottom end of the connecting piece are in threaded connection with the gate valve and the conical reducer union respectively, the conical reducer union is a stainless steel pipe with a smooth inner wall and a stepped outer wall, stepped double-layer external threads are arranged on the outer wall of the pipe, and upper external threads and lower external threads in the double-layer external threads are connected with the