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  2. New drilling technologies - Wikipedia

    en.wikipedia.org/wiki/New_drilling_technologies

    the price of boring rises linearly with depth; bore axis with neutral floating; the possibility to make vertical or inclined bores up to 10 km deep; the possibility to make large diameter bores – even 5 times larger than on the ground compared to today drilling technologies; casing formed on site in the borehole

  3. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

  4. Directional drilling - Wikipedia

    en.wikipedia.org/wiki/Directional_drilling

    A horizontal directional drill in operation A structure map generated by contour map software for an 8,500-foot-deep (2,600 m) gas and oil reservoir in the Erath field, Vermilion Parish, Erath, Louisiana. The left-to-right gap, near the top of the contour map indicates a fault line. This fault line is between the blue/green contour lines and ...

  5. Boring (earth) - Wikipedia

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

    Today, most Earth drilling serves one of the following purposes: return samples of the soil and/or rock through which the drill passes; access rocks from which material can be extracted; access rocks which can then be measured; provide access to rock for purposes of providing engineering support

  6. List of tunnels in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_the...

    METRO Blue Line airport tunnels, 1.4 mi (2.3 km) twin bore light rail tunnels, 70 ft (21 m) under Runways 12L/30R and 12R/30L at Minneapolis–Saint Paul International Airport; Terminal 1–Lindbergh station is midway through the tunnel [28] [29]

  7. Borehole - Wikipedia

    en.wikipedia.org/wiki/Borehole

    Drilling for boreholes was time-consuming and long. As the depth of the holes varied, the drilling of a single well could last nearly one full decade. [4] It was not up until the 19th century that Europe and the West would catch up and rival ancient Chinese borehole drilling technology. [10] [5]

  8. Caldecott Tunnel - Wikipedia

    en.wikipedia.org/wiki/Caldecott_Tunnel

    The east–west tunnel is signed as a part of California State Route 24 and connects Oakland to central Contra Costa County.It is named after Thomas E. Caldecott (1878–1951), who was mayor of Berkeley in 1930–1932, a member of the Alameda County Board of Supervisors in 1933–1945, and president of Joint Highway District 13, which built the first two bores.

  9. The Boring Company - Wikipedia

    en.wikipedia.org/wiki/The_Boring_Company

    The Boring Company (TBC) is an American infrastructure, tunnel construction service, and equipment company founded by Elon Musk. TBC was founded as a subsidiary of SpaceX in 2017, and was spun off as a separate corporation in 2018. TBC has completed multiple test tunnels and one tunneling project that is open to the public.

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