Method of and arrangement for determining geohydraulic permeability of ground regions through which ground water flows
US5345820A · kind A · utility
8Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1993 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Mar 11, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.