ABB has entered a joint industry program (JIP) with Statoil to develop solutions for transmission, distribution and power conversion systems designed to power and control subsea pumps and gas compressors at depths of 3000m and over vast distances.
The agreement is an important step on the path to develop complete subsea oil and gas producing facilities.
Statoil is leading the JIP on behalf of other participating oil companies, while ABB is responsible for developing the new technology. It follows an extensive subsea power study executed by Statoil and ABB during 2012. The total value of the agreement for the five-year program is US$100 million, which will be jointly funded by all participating companies.
According to ABB, the program is pivotal to the development of technologies required to power and control large scale subsea pumping and gas-compression projects planned for the Norwegian Continental Shelf, Gulf of Mexico and other places around the world. Subsea pumping and gas compression contribute to improved utilization of oil and gas resources through greater recovery rates, reduced production costs and the further development of deep water production.
The JIP will provide solutions for transmission of electrical power up to 100Mw over a distance of 600 km.
This subsea electric power distribution technology enables several electric loads, such as pumps and compressors, to be supplied through a single power cable. This will reduce investment costs significantly compared to existing solutions using one cable for each individual load. The new technology, for example, will make savings of more than $500 million, if eight loads are linked through a single cable over a distance of 200km from other infrastructure.
To ensure compact and reliable solutions, the equipment will be enclosed in liquid-filled, pressure-compensated tanks, with components tested extensively under the full pressure they will experience at the target water depth. The program entails material and component qualification, detailed design and full-scale testing of a 36 kilovolt (kV) distribution unit and two variable speed drives for pump and gas compressor applications, respectively.
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