<p>A subsea pump system is adapted to close a hydraulic ram of a blowout preventer. The subsea pump system has at least a first pump and a second pump configured to pump drive fluid from a source to the hydraulic ram. The system has a controller configured to automatically select at least one of the first and second pumps for pumping the drive fluid wherein at least the first pump is selected at a lower fluid pressure range and at least the second pump is selected at a higher fluid pressure range. A method of operating a pump system and an intervention skid for a pump system are also described.</p>
申请公布号
EP2683911(B1)
申请公布日期
2015.05.20
申请号
EP20120713259
申请日期
2012.03.08
申请人
SUBSEA 7 LIMITED
发明人
WARNOCK, ROGER P. JR;STIRLING, CALUM MAXWELL;COLLEY, JAMES;DOE, ALAN WILLIAM