An Example of Dencity Logging in a Water Well:爱知县师父地点的测试例子

THE JOURNAL OF THE JAPANESE ASSOCIATION OF GROUNDWATER HYDROLOGY Pub Date : 1900-01-01 DOI:10.5917/jagh1959.15.31

Keiichi Kodai

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引用次数: 0

摘要

水井具有大直径的井眼，并有厚钢套管保护，便于抽水。笔者将小密度测井设备探头拟合在水井中，如图1所示。利用改进的密度测井设备，对爱知县索福镇一口井进行了常规电阻率和自然伽马测井资料的测试，深度为160米。因此，密度测井比正电阻率测井和自然伽马测井更能有效地进行第四纪地质识别。

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An Example of Dencity Logging in a Water Well: 愛知県祖父江地点における試験例

Water well has a large-diameter hole, and is protected by the thick steel casing for the sake of pumping-up of water.
The writer fited the probe of small density logging equipment in water wells, as shown in figure 1.
A water well in Sofue toun Aichi prefecture which has the already known data of normal resistivity and natural-gamma logs was tested with use of the improvemental density logging equipment to depth of 160 meters.
In consequence, the writer known that density logs was more efficiency for the geological identification in quaternary than normal resistivity and natural-gamma logs.

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THE JOURNAL OF THE JAPANESE ASSOCIATION OF GROUNDWATER HYDROLOGY

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