At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.
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Out of that it can then give you a small flow of water at a high pressure.
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This can take a large flow of water at a low pressure.
He just grabbed a lamppost and he found himself a flow of sea water up to his waist pushing him with maximum pressure.
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