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Comment on leaked Corrib emails

Comment on leaked Corrib emails from a former Shell employee.

There is some discussion in the emails of a production string connector failure triggering a potential underground blowout.

It is an issue. That was what happened to Shell on their Gulf of Mexico Bourbon platform in late 1987, I believe. A failure in the production string of a gas well compounded by parted casing and a poor cement job.

The end result was an underground flow of gas between the casing and the well bore into shallow porous sands. Once the sands were charged with high pressure gas there was a sudden eruption of a ‘gas volcano’ under one corner of the platform. Ruined everybody’s day.

Shell fixed the problem, at a cost of $275,000,000.

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