Cavity making device and method for salt cavern gas storage

• Main Authors: NIU JUN, CEN XUEQI, WANG HAIBO, WANG YIWEI, SHEN QIANG, ZHANG ZUGUO, ZHANG RUSHENG, HE JIAYUAN, CHAI GUOXING, TANG PING, ZENG HAO, ZHANG LE, CHEN KANKAN
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention relates to a cavity making device and method for a salt-cavern gas storage. The cavity making device comprises an inner pipe, the inner pipe comprises a middle perforated section, the middle perforated section is hollow, and one or more inner pipe circulation holes penetrating through the side wall of the middle perforated section in the radial direction are formed in the side wall of the middle perforated section; and the lower fixing section is constructed to be used for being inserted into the salt rock pit so as to be used for supporting the cavity building device. 本发明涉及用于盐穴储气库的造腔装置和方法。该造腔装置包括内管，所述内管包括：中间带孔段，所述中间带孔段构造为中空的，所述中间带孔段的侧壁设置有一个或多个径向贯穿所述中间带孔段的侧壁的内管流通孔；以及下部固定段，所述下部固定段构造为用于插入到盐岩坑中，以用于支撑所述造腔装置。