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Gjøa is a gas field in the North Sea, 60 kilometres west of Florø. The reservoir sits on top of a thin oil rim, and contains an estimated 40 billion cubic metres of gas reserves.
Norsk Hydro discovered the field in 1989, and GDF SUEZ E&P Norge acquired a 30% interest in the field in 2003.
In June 2007, Norwegian authorities approved the plan for development and operation of Gjøa, clearing the way for one of the largest offshore developments in Norway since Snøhvit and Ormen Lange.
The field is being developed through a joint operatorship with Statoil. Statoil is operator during the development phase, and GDF SUEZ E&P Norge will take over operations when production starts in 2010.
As part of the field development, 62 GDF SUEZ E&P Norge employees are integrated in the Statoil Gjøa project team. However, this number will increase to around 80 by 2010.
The main role of our personnel is to provide operational input into the design and to develop necessary systems, procedures and IT applications for the operations phase.
The Gjøa resources will be developed with four 4-slots subsea templates and one satellite well, which will be tied back to a semi-submersible production unit with full processing and export capabilities. The reservoir will be developed with simple pressure depletion.
Stabilised oil will be exported through a new 53-kilometre pipeline, which will connect to the TOR2 pipeline system going from the Troll C platform to the Mongstad crude oil terminal.
Similarly, export of rich gas is planned through a new 130-kilometre pipeline tied into Britain's Flags pipeline system, ending up at the St. Fergus gas terminal in Scotland.
Electricity for the field installations will largely be sourced from land-based power supplies.
This environmentally friendly solution causes considerably less CO2 and NOx emissions compared to offshore electricity supplies.
The land-based power supply also leads to lower costs, improved economy, reduced noise levels, and reduced fuel consumption.