发明名称 |
Method of and arrangement for determining geohydraulic permeability of ground regions through which ground water flows |
摘要 |
A measurement of geohydraulic permeability of ground regions is performed by producing a negative pressure in a well shaft and a measuring of the resulting raise or lowering of the ground water level in the well shaft without pumping out of ground water from the shaft.
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申请公布号 |
US5345820(A) |
申请公布日期 |
1994.09.13 |
申请号 |
US19930029823 |
申请日期 |
1993.03.11 |
申请人 |
IEG INDUSTRIE-ENGINEERING GMBH |
发明人 |
BERNHARDT, BRUNO |
分类号 |
E21B49/00;G01N33/24;(IPC1-7):E21B47/00 |
主分类号 |
E21B49/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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