Zidane subsea tieback for RWE

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Steve Marshall

 18 March 2013 10:36 GMT

RWE Dea has decided to develop its Zidane gas discovery in the Norwegian Sea as a subsea tieback, using the planned Polarled pipeline for exports from the field.

The German operator intends to produce the field in production licence 435 using a subsea template with four wells tied back via a 15-kilometre flowline to Statoil’s Heidrun platform, which will undergo modifications, for an investment of around Nkr10 billion ($1.7 billion).

The company is thereby ditching an alternative scenario involving a standalone tension-leg platform that would have been about Nkr3 billion more expensive.

The subsea solution will involve a new gas treatment and export module being installed on the Heidrun platform, while using its existing facilities for treatment of water and condensate.

Exports…

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