Automatic measuring device for water content of wellhead liquid and measuring method thereof

The invention discloses an automatic measuring device for the water content of the wellhead liquid and a measuring method thereof. The device includes a material pipe, a high-pressure self-priming pump, a measuring cavity, a buffer tank, a detector and a jet pump, wherein the material pipe is connected with the high-pressure self-priming pump, the high-pressure self-priming pump is connected withthe measuring cavity, the measuring cavity is disposed at the bottom of the buffer tank, the measuring cavity is in communication with the bottom of the buffer tank, the detector is disposed in the buffer tank and the measuring cavity in a penetration mode, a probe of the detector extends to the measuring cavity, and the jet pump is connected with the buffer tank. The device is advantaged in thata problem that measurement of the water content of the produced liquid at a wellhead of an oil well is difficult in the prior art is solved, the purpose of data measurement of the water content of theproduced liquid is realize