Flow field measurement device and method for scale model of natural gas hydrate reservoir

A flow field measurement device for a natural gas hydrate system, wherein the natural gas hydrate system comprises a reactor, wherein the reactor is divided into a plurality of layers from top to bottom, a plurality of vertical wells are disposed throughout each layer, the plurality of vertical wells comprise a central vertical well and non-central vertical wells, and the central vertical well is located at a center of the plurality of vertical wells;

• wherein the flow field measurement device comprises non-central vertical well pressure sensors, non-central vertical well outlet valves, communicating vessel valves, differential pressure sensors, a communicating vessel, a central vertical well outlet valve, and a central vertical well pressure sensor;
• wherein
• the non-central vertical well pressure sensors, the non-central vertical well outlet valves, the differential pressure sensors, and the communicating vessel valves are respectively provided in an amount identical to an amount of the non-central vertical wells;
• each of the non-central vertical wells is provided with a non-central vertical well outlet pipeline, wherein the non-central vertical well outlet pipeline is correspondingly provided with one of the non-central vertical well pressure sensors, one of the non-central vertical well outlet valves, one of the differential pressure sensors, and one of the communicating vessel valves communicatedly in sequence, and all of the communicating vessel valves are connected with the communicating vessel;
• the central vertical well is provided with a central vertical well outlet pipeline, wherein the central vertical well outlet pipeline is provided with the central vertical well pressure sensor and the central vertical well outlet valve communicatedly in sequence, and the central vertical well outlet valve is connected with the communicating vessel.