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  2. Kola Superdeep Borehole - Wikipedia

    en.wikipedia.org/wiki/Kola_Superdeep_Borehole

    The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]

  3. Travel to the Earth's center - Wikipedia

    en.wikipedia.org/wiki/Travel_to_the_Earth's_center

    Kola Superdeep Borehole, the result of a scientific drilling project of the former USSR; Deep Sea Drilling Project, an ocean drilling project from 1968 to 1983; Ocean Drilling Program, an international cooperative effort to explore and study the composition and structure of the Earth's ocean basins

  4. Well to Hell - Wikipedia

    en.wikipedia.org/wiki/Well_to_hell

    The "Well to Hell", also known as the "Siberian hell sounds", is an urban legend regarding a putative borehole in the Siberian region of Russia, which was purportedly drilled so deep that it broke through into Hell. It was first attested in English as a 1989 broadcast by an American domestic TV broadcaster, the Trinity Broadcasting Network. [1]

  5. How Drilling the World’s Deepest Holes Could Give Us ...

    www.aol.com/lifestyle/drilling-world-deepest...

    Currently, the world’s deepest drilled hole is the Kola Superdeep Borehole in Russia near Norway. ... such as the proper removal technique for the ash created during the borehole drilling, and ...

  6. China is drilling some of the world’s deepest holes in hunt ...

    www.aol.com/china-drilling-world-deepest-holes...

    Chinese engineers on Thursday broke ground on a new super deep borehole that will burrow far into the Earth’s crust as the country steps up its search for natural resources hidden tens of ...

  7. China is drilling new 10,000m deep hole into Earth to search ...

    www.aol.com/china-drilling-10-000m-deep...

    This will be China’s second deep well after commencement of Asia’s deepest well in May

  8. Category:Deepest boreholes - Wikipedia

    en.wikipedia.org/wiki/Category:Deepest_boreholes

    Kola Superdeep Borehole; P. Project Mohole; S. Sakhalin-I; San Andreas Fault Observatory at Depth This page was last edited on 4 June 2015, at 15: ... Mobile view ...

  9. Boring (earth) - Wikipedia

    en.wikipedia.org/wiki/Boring_(earth)

    The Kola Superdeep Borehole was a similar project of the USSR in the 1970s and early 1980s the USSR attempted to drill a hole through the crust, to sample the Mohorovičić discontinuity. The deepest hole ever drilled failed not because of lack of money or time, but because of rock physics at depth.