Water-gas static separation characteristic testing device and method

The embodiment of the invention discloses a water-gas static separation characteristic testing device and method, and relates to the technical field of water-gas static separation characteristic testing. The device comprises a base, a substrate, a sealing ring and a cover body; the base is provided with a first groove body, a first liquid channel and a first gas channel, and the first liquid channel and the first gas channel are both communicated with the first groove body; the substrate comprises a second groove body, a first through hole is formed in the bottom of the second groove body, the substrate covers the first groove body, and the first through hole is communicated with the first groove body; the sealing ring comprises a second through hole, the sealing ring covers the second groove body, and the second through hole is communicated with the second groove body; the cover body covers the sealing ring; the cover body comprises a third through hole, and the third through hole is communicated with the se