发明名称 SUBSEA GREASE SYSTEM AND METHOD OF OPERATING SAID SYSTEM
摘要 The present invention is a method and system for supplying grease to maintain a sealed well during deployment of line, in particular braided electrical wire. The subsea grease cartridge system includes a subsea assembly; first and second grease containers filled with grease; a pump; a switch; and a restoring device to replenish grease containers. The method of operating the grease cartridge system includes: attaching first and second grease containers to the subsea assembly; applying hydraulic pressure to the first grease container; pumping the grease of the first grease container to a grease head; switching hydraulic pressure from the first grease container to the second grease container instantaneously when the first grease container becomes unable to supply grease properly; and pumping the grease of the second grease container to the grease head. The method includes replenishing containers from cartridges and switching back and forth between the filled grease containers.
申请公布号 EP2494142(A1) 申请公布日期 2012.09.05
申请号 EP20100827284 申请日期 2010.03.16
申请人 CRAWFORD, NEIL 发明人 CRAWFORD, NEIL
分类号 E21B33/08;E21B33/072;E21B33/076 主分类号 E21B33/08
代理机构 代理人
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