Deepest Borehole -...

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View Full Document Right Arrow Icon Deepest Bore hole Kola Superdeep Borehole From Wikipedia, the free encyclopedia Kola Superdeep Borehole, commemorated on the 1987 USSR stamp The Kola Superdeep Borehole ( Russian : Кольская сверхглубокая скважина ) was the result of a scientific drilling project of the former USSR . The project attempted to drill as deep as possible into the Earth's crust . Drilling began on May 24 , 1970 on the Kola Peninsula , using an "Uralmash-4E" and later an "Uralmash-15000" drilling rig. A number of boreholes were drilled by branching from a central hole. The deepest, SG-3, was completed in 1989, creating a hole 12,261 m (about 40,226 ft or 7.62 mi) deep, [1] which is still the deepest hole ever drilled. The longest hole ever drilled is the 12,290 m (about 40,320 ft or 7.64 mi) long Maersk Oil BD-04A well at Al-Shaheen field in Qatar. [2]
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This note was uploaded on 10/15/2010 for the course CORC Core 3.32 taught by Professor Saveg during the Summer '09 term at CUNY Brooklyn.

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Deepest Borehole -...

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