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Hydrostatic pressure and fluid density profile in deep ice bore-holes
https://nipr.repo.nii.ac.jp/records/2440
https://nipr.repo.nii.ac.jp/records/24409ddfdd0c-761e-46cc-8a85-1fcd67386e44
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012992 (1.4 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 | Hydrostatic pressure and fluid density profile in deep ice bore-holes | |||||
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) |
Talalay,P.G.
× Talalay,P.G.× Gundestrup, N.S. |
|||||
著者所属(英) | ||||||
en | ||||||
St.-Petersburg State Mining Institute/University of Copenhagen, Department of Geophysics | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The drilling of deep bore-holes in ice requires that the hole is filled by a liquid to compensate the ice-overburden pressure. Moreover, the hydrostatic pressure of the fluid should be exactly known in order to estimate the hole closure. The estimation of the hydrostatic pressure in the bore-hole can be made in two different ways. The first is the in situ measurements using pressure sensor, and the second is calculation of the pressure using the sampling of drilling fluid from different depths. The second method can be used also for prognosis of the hydrostatic pressure when the necessary density of the hole liquid is chosen. The paper includes the necessary equations for the calculation of hydrostatic pressure for one and two-compound liquids based on the pressure and temperature in the bore-hole. The measured and calculated densities are compared for the GISP2 bore-hole at Summit, Greenland, and it shows a high correlation. The difference between measured pressure and calculated pressure along most of the hole length doesn't exceed 0.12%. | |||||
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. 171-180, 発行日 2002-03 |