Comment on Kola Superdeep BoreholeparentComments−unspecified12yExxon's borehole is longer, but not deeper: Kola is 12.6km deep, and Sakhalin-I is 12.3km.
Comments
Exxon's borehole is longer, but not deeper: Kola is 12.6km deep, and Sakhalin-I is 12.3km.