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    Skandi Navica confirmed for Talisman

    Contracts, Tenders and Rates // June 25, 2004
    Subsea 7 is to install pipelines and an umbilical for Talisman Energy (UK) Limited in the Tartan Field, which is located approximately 150km North East of St Fergus in 140m of water.

    The contract is for the development of the Tartan North Terrace "B" discovery as a subsea tie-back to the Tartan-A platform. One 6in rigid production pipeline and a 3in gas lift pipeline of 3.4km are to be installed and a new umbilical will provide electrical control and signal functions.

    Tie-in at Tartan-A will be by way of 280m flexible production and gas lift jumpers with the tie-in at the tree via conventional rigid tie-in spools. At each end of the pipelines a tee and valve assembly is to be installed to facilitate future tie-ins. Additionally, assistance will be provided for the commissioning of the Well B tree controls systems with the new lines and umbilical system being pre-commissioned.

    The work is being carried out by Subsea 7's pipelay vessel Skandi Navica, a diving support vessel as well as a trenching spread.

    Subsea 7 has also been awarded a contract for replacement pipeline works on Talisman's Beatrice field. This work involves laying and trenching 1.5km of 6in pipeline.

    The combined value for both contracts is in excess of US$10 million.

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