In 2004 Chevron's Rosebank oil and gas discovery well (213/27-1) was drilled by the Stena Carron and then sidetracked (213/27-1Z) into the large Rosebank structure.

http://energy.pressandjournal.co.uk/Article.aspx/960430

Forward to 2011 ..

Again drilling at a new site on Lagavulin, Chevron is now sidetracking at Lagavulin with the Stena Carron drillship in a sidetrack well (217/15-1Z) which commenced on 22nd January.

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