Groundwater testing well

Details Groundwater testing well Groundwater testing well

1996-10-04

1998-08-18

Dang, Hoang C.

Wells

Processes

Sampling well fluid

7315228, 166191, 166313, 175 20, 175 59, E21B 4908

Patent

active

057946965

ABSTRACT:
An earth contamination site groundwater testing well having a borehole which passes though subsurface soil zones of interest is provided with a probe assembly that is installed in the borehole, that has a core stem which carries spaced-apart flexible disc seals that divide the borehole into different borehole zones that correspond to the subsurface soil zones of interest, and that includes microporous sampler points in the different borehole zones. The groundwater testing well borehole may be formed with a well casing that is afterwards removed while retaining the probe assembly in position.

REFERENCES:
patent: 2210546 (1940-08-01), Hassler
patent: 2564198 (1951-08-01), Elkins
patent: 2781663 (1957-02-01), Maly et al.
patent: 4538683 (1985-09-01), Chulick
patent: 4745801 (1988-05-01), Luzier
patent: 5293931 (1994-03-01), Nlchols et al.
patent: 5358057 (1994-10-01), Peters et al.

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