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A fast mechanical-access drill for polar glaciology, paleoclimatology, geology, tectonics and biology
https://nipr.repo.nii.ac.jp/records/2427
https://nipr.repo.nii.ac.jp/records/2427bb918d37-50b4-4998-8f1c-b6780503ffbb
名前 / ファイル | ライセンス | アクション |
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KJ00000012979 (2.7 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2002-03-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A fast mechanical-access drill for polar glaciology, paleoclimatology, geology, tectonics and biology | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Clow,Gary D.
× Clow,Gary D.× Koci,Bruce |
|||||
著者所属(英) | ||||||
en | ||||||
U.S. Geological Survey, Federal Center/Ice Coring and Drilling Services (ICDS), University of Wisconsin-Madison | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We propose that a new type of drill, alternately known as a Fast Mechanical-Access Drill, or Coiled Tubing Drill for Ice (CTDI), be developed for polar research. The proposed drill is similar in concept to the latest coiled tubing (CT) drills used for commercial oil and gas development. CT drills use a metal or advanced-composite tube to deliver fluid downhole to a hydraulic motor that drives a cutting bit. This technique should permit drilling rates of ∿40m・(hr)^<-1> in polar ice. The bulk of the components are commercially available. The CTDI would be : a) capable of drilling through 3-4km of ice in 6-8days, including setup time, b) aircraft (LC-130) transportable and sled-mounted for rapid mobilization/demobilization, c) able to drill an array of deep boreholes in a single season. d) able to produce semi-permanent uniform-diameter holes with minimal thermal disturbance, e) capable of acquiring rock cores, frozen sediment cores, and short ice cores, f) sufficiently modular and flexible by design that new tools can be added to satisfy future research needs. The capabilities of the CTDI would fill the void between existing deep ice-core drills and hot-water drills. It is believed the new drilling system would greatly enhance several lines of current research, as well as allow the pursuit of new scientific investigations that are not currently feasible. The CTDI could be used by the research community to help address outstanding questions concerning the Earth's climate system, the history and dynamics of ice sheets, the geology and tectonics of polar regions, and the biology within and beneath polar ice sheets. Finally, we discuss access drills for investigating conditions within Antarctic subglacial lakes. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 56, p. 5-37, 発行日 2002-03 |