Why does drilling for oil in deep water carry an unusually high environmental risk?

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Question

Why does drilling for oil in deep water carry an unusually high environmental risk?

Accepted Answer

Extreme pressures make a well harder to control, and if a blowout occurs the leak may be a great distance below the surface where it is very difficult and slow to seal — Award 1 mark. Oil may then escape for weeks or months before the well can be capped.

Answer

Extreme pressures make a well harder to control, and if a blowout occurs the leak may be a great distance below the surface where it is very difficult and slow to seal

Answer

Deep-water platforms are never inspected

Answer

Deep-water oil is more toxic than oil from shallow wells

Answer

Deep water contains more marine life than shallow water in every case

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