Why Did They Stop Drilling The Kola Superdeep Borehole?
Why Did They Stop Drilling The Kola Superdeep Borehole? Drilling was stopped in August 1994 at 8,578 m (28,143 ft) due to lack of funds and the well itself was mothballed. Because of higher-than-expected temperatures at this depth and location, 180 °C (356 °F) instead of the expected 100 °C (212 °F), drilling deeper was