History of Oceanography: Ocean Drilling

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A funnel is lowered on the end of the drillstring through the "moonpool" in the middle of the ship. When a hole has been started, the funnel is placed in its top so that, when drilling has to start again, the drillstring can be guided into the hole. « Previous | Next »

A funnel is lowered on the end of the drillstring through the "moonpool" in the middle of the ship. When a hole has been started, the funnel is placed in its top so that, when drilling has to start again, the drillstring can be guided into the hole.

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