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Consent to use Songa Dee on Alvheim

Consent: Marathon Petroleum Company (Norway) LLC (Marathon) has received consent to use the mobile facility Songa Dee for production drilling in the northern North Sea on Alvheim.


By issuing a consent, the HSE authorities indicate that they are confident the company can work in line with the regulations and with the information provided in its application.

The regulator determines in each case how extensive and detailed a consideration it will give to the request for a consent.

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The consent relates to the drilling of three multi-branched wells, 24/6-B-4, 25/4-L-1 and 25/4-L-2, each with two wellbores. This constitutes Phase II of the drilling program for Alvheim.

The wells are part of production licence 203.

According to the application for consent, the drilling operations will start in May 2010. The duration of the drilling of the three wells is estimated at 300 days (drilling and completion).

Songa Dee (formerly Stena Dee) is a semi-submersible mobile drilling facility of the "Mitsubishi MD-602" type. It was commissioned in 1984.

The facility is owned and operated by Songa Management AS in Stavanger, and received an Acknowledgement of Compliance (AoC) in June 2009 (link).

Mike Theiss, Principal engineer
Email: michael.theiss@ptil.no |