• Thumbnail for Borehole
    A borehole is a narrow shaft bored in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes, including...
    10 KB (1,137 words) - 19:07, 20 July 2024
  • Thumbnail for 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...
    23 KB (2,334 words) - 04:24, 8 September 2024
  • Thumbnail for Casing (borehole)
    drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support...
    10 KB (1,282 words) - 15:50, 4 September 2024
  • Thumbnail for Borehole mining
    Borehole Mining (BHM) is a remote operated method of extraction (mining) of mineral resources through boreholes based on in-situ conversion of ores into...
    4 KB (613 words) - 11:21, 2 April 2024
  • Thumbnail for Oak Island mystery
    in Triton. Triton workers excavated a 235 feet (72 m) shaft, known as Borehole 10-X and supported by a steel caisson to bedrock, in 1971. According to...
    58 KB (7,276 words) - 04:28, 27 August 2024
  • The Askam Borehole is a borehole that is located in Luzerne County, Pennsylvania, in the United States. It is situated in the watershed of Nanticoke Creek...
    9 KB (927 words) - 17:06, 23 October 2023
  • Deep borehole disposal (DBD) is the concept of disposing high-level radioactive waste from nuclear reactors in extremely deep boreholes instead of in more...
    11 KB (1,232 words) - 06:41, 16 February 2023
  • also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole. The log may...
    32 KB (4,114 words) - 13:42, 16 February 2024
  • 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...
    8 KB (916 words) - 22:12, 30 August 2024
  • Thumbnail for Bertha Rogers Borehole
    The Bertha Rogers Borehole is a former natural gas well in Burns Flat, Dill City, Oklahoma, US. Today plugged and abandoned, it was originally drilled...
    4 KB (276 words) - 13:02, 8 June 2024
  • Thumbnail for Downhole heat exchanger
    exchanger, (DHE) also called a borehole heat exchanger, (BHE) is a heat exchanger installed inside a vertical or inclined borehole. It is used to capture or...
    3 KB (268 words) - 08:05, 18 August 2024
  • Thumbnail for Measured depth
    (commonly referred to as MD, or just the depth) is the length of the drilled borehole. In conventional vertical wells, this coincides with the true vertical...
    1 KB (157 words) - 09:08, 28 December 2023
  • Thumbnail for Chicxulub crater
    exploration boreholes drilled by Pemex on the Yucatán peninsula have provided some useful data. UNAM drilled a series of eight fully-cored boreholes in 1995...
    83 KB (8,152 words) - 21:38, 2 September 2024
  • Borehole imaging logs are logging and data-processing methods used to produce two-dimensional, centimeter-scale images of a borehole wall and the rocks...
    2 KB (170 words) - 17:45, 27 May 2024
  • tool that provides a continuous measurement of the size and shape of a borehole along its depth and is commonly used in hydrocarbon exploration. The measurements...
    3 KB (511 words) - 16:18, 21 July 2024
  • Thumbnail for Ludham Borehole
    The Ludham Borehole was a geological research borehole drilled in 1959 near Ludham, Norfolk, UK. A continuous core sample of late Pliocene and early Pleistocene...
    10 KB (1,260 words) - 14:47, 17 April 2022
  • Thumbnail for Boring (earth)
    Borehole drilling has a long history. Han dynasty China (202 BC – 220 AD) used deep borehole drilling for mining and other projects. Chinese borehole...
    6 KB (719 words) - 18:09, 5 June 2024
  • Thumbnail for True vertical depth
    the borehole (or anywhere along its length) in a straight perpendicular line represented by line (a) in the image. Line (b) is the actual borehole and...
    2 KB (176 words) - 00:09, 25 October 2023
  • Thumbnail for Tube well
    "down-the-hole" type hand pump. Casing to support the external surfaces of the borehole against collapse may be needed, either temporarily or permanently, and...
    5 KB (524 words) - 13:18, 27 August 2024
  • Thumbnail for Fracking
    sometimes forms at the rock-borehole interface. In such cases the fracturing may extend only a few feet from the borehole. In the Soviet Union, the first...
    153 KB (15,866 words) - 04:20, 13 September 2024
  • parameters describe the quality of core recovered from a borehole. Total core recovery (TCR) is the borehole core recovery percentage. TCR is defined as the quotient:...
    5 KB (852 words) - 08:51, 31 July 2024
  • Thumbnail for San Andreas Fault Observatory at Depth
    San Andreas Fault Observatory at Depth (category Deepest boreholes)
    California, the project installed geophone sensors and GPS clocks in a borehole that cut directly through the fault. This data, along with samples collected...
    8 KB (688 words) - 21:17, 9 May 2024
  • Thumbnail for Proxy (climate)
    sediment or foraminifera in ocean sediments, temperature profiles of boreholes, and stable isotopes and mineralogy of corals and carbonate speleothems...
    34 KB (4,071 words) - 20:04, 20 July 2024
  • injected into (or extracted from) a borehole while the borehole mean temperature is measured. The system consists of a borehole, pipe system, circulation pump...
    4 KB (562 words) - 08:47, 22 July 2023
  • utilities. The process creates an open-air chamber, referred to as a borehole. The borehole is then used to run utilities. Underground pneumatic drills can...
    4 KB (719 words) - 12:45, 16 August 2024
  • Thumbnail for Core sample
    particular bullet, it penetrating the borehole wall, the retention system recovering the bullet from the borehole wall, and the sample is retained in the...
    15 KB (2,105 words) - 12:54, 10 July 2024
  • Thumbnail for German Continental Deep Drilling Programme
    German Continental Deep Drilling Programme (category Deepest boreholes)
    the KTB borehole, was a scientific drilling project carried out from 1987 to 1995 near Windischeschenbach, Bavaria. The main super-deep borehole reached...
    9 KB (1,073 words) - 19:17, 9 June 2024
  • the presence of an aquifer. BTES (borehole thermal energy storage). BTES stores can be constructed wherever boreholes can be drilled, and are composed...
    36 KB (4,225 words) - 13:40, 20 July 2024
  • Ernst Zorin, and Pavel Shatu. The film is based on true events at Kola Borehole. Ara Woland as Eduard Ernst Zorin as Professor Mihailov Pavel Shatu as...
    6 KB (468 words) - 03:33, 31 August 2024
  • Thumbnail for Rock mechanics
    geological structure, and boundaries between bedrock units. Creating a borehole is a technique that consists of drilling through the ground in various...
    8 KB (815 words) - 02:14, 7 December 2023