The subsea hydraulic power unit from Siemens and Statoil is designed for use in offshore oil and gas fields. It provides hydraulic power directly at the wellsite, supplying low- and high-pressure control fluid to the subsea control modules. It can be used in the event of umbilical failure, and it can also serve as an alternative to the hydraulic lines in the umbilical. The unit takes auxiliary electrical power from the existing infrastructure at the wellsite, and during an operation, it does not require any changes to the emergency shutdown strategy of the well. It can be adapted to hydraulic interfaces and is designed for a single-lift installation with remotely operated vehicles.
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