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

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

    Brian Bumby - Getty Images. Simply put, geothermal energy is heat contained deep within Earth. ... Currently, the world’s deepest drilled hole is the Kola Superdeep Borehole in Russia near Norway.

  5. Borehole - Wikipedia

    en.wikipedia.org/wiki/Borehole

    For many years, the world's longest borehole was the Kola Superdeep Borehole in Russia. From 2011 until August 2012 the record was held by the 12,345-metre (40,502 ft) long Sakhalin-I Odoptu OP-11 Well, offshore the Russian island Sakhalin. [11] The Chayvo Z-44 extended-reach well took the title of the world's longest borehole on 27 August 2012 ...

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

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

    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. 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]

  8. Scientific drilling - Wikipedia

    en.wikipedia.org/wiki/Scientific_drilling

    The Kola Superdeep Borehole on the Kola peninsula of Russia reached 12,262 metres (40,230 ft) and is the deepest penetration of the Earth's solid surface. The German Continental Deep Drilling Program at 9.1 kilometres (5.7 mi) has shown the earth crust to be mostly porous.

  9. 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 15:45 (UTC). Text is ...