THE WORLD’S FIRST RIGLESS PLATFORM WELL ABANDONMENT. THE PROBLEM During 2003, a 38-year-old well in the Southern North Sea was identified as having suffered a corrosion fatigue failure of the 20" conductor approximately 6m below sea level. Consequently, the well was immediately shut in. Claxton had already built an impressive track record of performing platform well abandonment/slot recovery on the Maureen, Esmond, Gordon, Beryl and Rijn platform

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