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Gold/Mining/Energy : Ness Energy International
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To: K A Anderson who wrote (52)8/21/1999 5:43:00 PM
From: Mighty_Mezz   of 364
 
As of 1992, record drill hole was a tad over 40,000 feet.

At approximately 13 kilometers (8 miles) depth, the Kola well in northwestern Russia is the deepest drill hole in the world; it was drilled to learn more about ore-forming processes and to test subsurface geophysical models.
info.er.usgs.gov

...Mezz -
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