Rapid analysis device for commingled production contribution rate of multi-layer gas reservoir

The utility model discloses a multilayer gas reservoir commingling production contribution rate rapid analysis device, which comprises a main pipeline and a plurality of separate production pipes, outlet ends of the plurality of separate production pipes are communicated with the main pipeline, the main pipeline is communicated with external gas production equipment, the plurality of separate production pipes are respectively arranged at each gas reservoir layer, and the outlet ends of the plurality of separate production pipes are communicated with the external gas production equipment. The coal bed gas produced by the gas reservoir layer is conveyed to the main pipeline, an inverted-U-shaped detection pipe is arranged on the separate production pipe, an inlet and an outlet of the detection pipe are both communicated with the separate production pipe, a detection assembly is arranged on the detection pipe, and the detection pipe arranged on the separate production pipe extracts part of the conveyed gas reser