Testing string for gas storage

The invention discloses a testing string for gas storage and belongs to the field of gas storage production and construction. The string comprises a supporting cylinder, an electronic pressure thermometer, an armored cable and a data acquisition device; a first through hole and a cavity are formed in the supporting cylinder, the first through hole is axially formed along the string, two adjacent oil pipes among a plurality of oil pipes are connected to two ends of the first through hole of the supporting cylinder respectively, one or two of a first communicating and testing hole and a second communicating and testing hole are further formed in the supporting cylinder, the first through hole is communicated with the cavity through the first communicating and testing hole, the cavity is communicated with an annular space through the second communicating and testing hole, cable penetration holes are formed in a tubing hanger and a packer respectively, the electronic pressure thermometer is hermetically arranged