Method of and arrangement for determining geohydraulic permeabil

Details Method of and arrangement for determining geohydraulic permeabil Method of and arrangement for determining geohydraulic permeabil

1993-03-11

1994-09-13

Warden, Robert J.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4700

Patent

active

053458206

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.

REFERENCES:
patent: 3181608 (1965-05-01), Palmer
patent: 3550445 (1970-12-01), Kiel
patent: 3592056 (1971-07-01), Bermaix
patent: 3604256 (1971-09-01), Prats
patent: 4631677 (1986-12-01), Park et al.
patent: 4969111 (1990-06-01), Merva
patent: 5156205 (1992-10-01), Prasad

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