Deepwater underwater pipeline plugging system and deepwater underwater pipeline plugging method

• Main Authors: JIANG JUNDA, WEI XINJIE, WU XIAOLU, ZHANG SIPING, ZHANG LEI, LIANG JIE, ZOU ZHEXIAN, XIE XIULONG, SONG JIMING, LIU DONGTAO, HE ZUBIAO, JIANG RENKAI, LU YULIANG, LIU MINGWEI, SUN CHANGWEI, GU YUE, XIAO QIAOGANG, LIANG CANGE, YU HONGKUN, SUN YIZHI
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2024
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a deepwater underwater pipeline leaking stoppage system and a deepwater underwater pipeline leaking stoppage method.The deepwater underwater pipeline leaking stoppage system comprises a sleeve, the sleeve is used for being installed on the periphery of a pipeline with a leaking point, and a containing cavity is formed by the inner wall face of the sleeve and the outer wall face of the pipeline; and the plugging agent injection device is connected with the sleeve through a pipeline and communicates with the containing cavity, the plugging agent injection device is provided with a containing mechanism and a driving mechanism, the containing mechanism stores a plugging agent, and the driving mechanism is connected with the containing mechanism to drive the plugging agent to be injected into the containing cavity through the pipeline so as to plug the leakage point. According to the deepwater underwater pipeline plugging system, the problem that a process pipeline is corroded and perforate