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Leaked Shell Sigma3 document may hold clue to cause of Gannet oil spill

By John Donovan

We are in possession of a 30 page plus Sigma3 document prepared for Shell U.K. Exploration and Production in relation to Gannet. It may hold a clue to the cause of the recent Shell Gannet oil spill into the North Sea, the largest for a decade.

Sigma3 is a consortium comprising Amec, Petroleum Services Network and Wood Group, which maintains Shell’s North Sea platforms.

According to Shell:

“Sigma 3 team is based inside the Shell organisation gives us a seamless alignment and insight into the real problems being addressed daily in keeping the assets running safely and efficiently.”

“Supporting Shell’s assets in the Central and Northern North Sea, the new organisation brought to the table a formidable mix of skills and technology in the key areas of engineering, construction, maintenance, major capital projects and support services, as well as a diverse supply chain of more than 200 materials and services contractors.”

Naturally there will be some concern that the document has fallen into our hands.


Shell’s North Sea Reputation sunk by severe corrosion:

“The drip, drip, drip of negative information has been every bit as corrosive to the company’s reputation as the oil leaking from its pipe. It was not until a week after the oil was first spotted that the company apologised.”

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