ExxonMobil has won consent for the use of two mobile drilling facilities at light well intervention in the North Sea.
The company will use the Island Frontier and the Island Wellserver on the Sigyn field in production licence 072.
The field contains gas, condensate and light oil.
Production at the field began in 2002.
Activities are scheduled to start this month and last until the end of the year.
The Norwegian Petroleum Safety Authority (PSA) said it is currently provisionally uncertain as to which facility will be used for the well intervention, since this depends on optimising the work schedules for the two facilties.
The period may may also be extended into 2017 if the availability of the facilities dictates.
Sigyn has been developed using a subsea well template. The well stream is transported to the Sleipner A facility 12 kilometres north-west of the well template.
The field is 222 kilometres west of Stavanger and the water depth in the area in 70 metres.
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