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.
The Fram oil field is located in the northern part of the North Sea, about 20 kilometres north of Troll. The field has two deposits, Fram Vest and Fram Øst.
The development of Fram Vest includes two subsea templates connected to Troll C. At Troll C, the gas is separated from the liquid and injected back into the Fram Vest reservoir.
The consent relates to performing well intervention on Fram well 35/11-B-23 (see map), which is part of production licence 090. Water depth at this location is about 355 metres.
The well is a two-branched oil producer where only one branch has been producing because of a malfunction in one of the control valves. The activity involves removing a plug installed in this valve.
According to the application for consent, the operation has an estimated duration of 14 days, starting in April 2010.
The Polar Pioneer is a Sonat/Hitachi-designed semi-submersible drilling facility, built in 1985.
The facility is operated by Transocean Offshore North Sea Ltd NUF. It has previously drilled production wells for Snøhvit and several exploration wells in the Barents Sea for Statoil, Hydro and Eni.
Polar Pioneer received the PSA’s Acknowledgement of Compliance (AoC) in May 2006 (link).
Mike Theiss, Principal engineer
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