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A SYSTEM AND METHOD TO ALLOW BACKUP OR ALTERNATE FLUID FLOW ROUTES AROUND MALFUNCTIONING COMPONENTS USING REMOVABLE, MODULAR COMPONENT SETS. IN ONE EXEMPLARY EMBODIMENT, AN ROV ESTABLISHES A BACKUP HYDRAULIC FLOW TO A BOP FUNCTION BY ATTACHING ONE END OF A HOSE TO A MODULAR VALVE BLOCK (18) AND THE OTHER END TO AN INTERVENTION SHUTTLE VALVE, THUS CIRCUMVENTING AND ISOLATING MALFUNCTIONING COMPONENTS. A COMPOUND INTERVENTION SHUTTLE VALVE (16, 300, 302) IS PROVIDED THAT COMPRISES FIRST AND SECOND PRIMARY INLETS, FIRST AND SECOND SECONDARY INLETS, AND AN OUTLET. A MODULAR VALVE BLOCK (18) IS PROVIDED THAT COMPRISES A DIRECTIONAL CONTROL VALVE (40), A PILOT VALVE (41), A MANIFOLD PRESSURE REGULATOR (45), A PILOT PRESSURE REGULATOR (46), STAB TYPE HYDRAULIC CONNECTIONS AND AN ELECTRICAL WET-MAKE CONNECTION.
MYPI20080192A2008-01-312008-01-31Modular backup fluid supply system
MY146938A
(en)