Byrkje a duster for GDF

April 10, 2014

GDF SUEZ E&P Norge's wildcat well 7218/8-1 on the Byrkje prospect in the Barents Sea has been classified as dry, with traces of gas.

The well, in production licence 607, well was drilled about 65km southwest of the oil and gas discovery 7220/8-1 Johan Castberg and 130km northwest of the Snøhvit field in the Barents Sea.

The well's primary exploration target was to prove petroleum in Upper Cretaceous reservoir rocks (the Kviting formation) and Lower Cretaceous (upper part of the Kolmule formation). The secondary exploration target was to prove petroleum in reservoir rocks in the lower part of the Kolmule formation, said the Norwegian Petroleum Directorate.

The well encountered shallow siltstone layers in the Kviting formation with elevated gas readings in a gross interval of about 35m. Mobile gas was detected in a sandy siltstone layer. Reservoir rocks were not encountered in the Kolmule formation. The well was classified as dry, with traces of gas.

The well was the first exploration well in PL607. It was drilled to 3000m vertical depth below the sea surface, in 385m water depth, and was terminated in Early Cretaceous rocks from the Kolmule formation. The well has been permanently plugged and abandoned.

Well 7218/8-1 S was drilled using the Transocean Barents semisubmersible drilling rig, which will now proceed to PL537 in the Barents Sea to drill wildcat well 7324/7-2, where OMV (Norge) AS is the operator.



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