Maersk Olie Og Gas A/s

Claire Dean

Wilhelmus Hubertus Paulus Maria Heijnen

A shutoff tool for being entered into a well bore and shutting off openings or leaks, said shutoff tool comprising: one or more enclosures prepared for comprising a sealant, said sealant being capable of shutting off openings or leaks when cured. An outer inflatable bladder arranged outside and covering said one or more enclosures, said outer inflatable bladder being prepared for rupturing in positions where it is not supported during inflation, said rupturing will provide access from said one or more enclosures to the outside of said outer inflatable bladder. An inner inflatable bladder arranged inside the outer inflatable bladder and such that said one or more enclosures will be arranged between the outer and the inner inflatable bladders, such that when inflated said inner inflatable bladder can exert a pressure on said one or more enclosures. A core arranged inside said inner inflatable bladder, and prepared for supplying a pressurized fluid into said inner inflatable bladder.

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Bengaluru, India

Claire Dean