why did machines stop working under kola superdeep borehole
Answers
Answer:
because there is very much heat
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Answer:
Location
Pechengsky District
Province
Murmansk Oblast
Country
Russia
Coordinates
69.3965°N 30.6100°E
Production
Type
Scientific borehole
Greatest depth
12,262 metres (40,230 ft; 7.619 mi)
History
Opened
1965
Active
1970–198319841985–1992
Closed
1995
Drilling began on 24 May 1970 using the Uralmash-4E, and later the Uralmash-15000 series drilling rig, and it became the deepest man-made hole in history in 1979. The 23-centimetre (9 in) diameter boreholes were drilled by branching from a central hole.[1] The deepest reached 12,262 metres (40,230 ft; 7.619 mi) in 1989, the deepest artificial point on Earth.
In terms of true vertical depth, it is the deepest borehole in the world. For two decades it was also the world's longest borehole in terms of measured depth along the well bore, until it was surpassed in 2008 by the 12,289-metre-long (40,318 ft) (7.636 mi) Al Shaheen oil well in Qatar.[2][citation needed]