Multiple point groundwater sampler

Details Multiple point groundwater sampler Multiple point groundwater sampler

1984-03-19

1985-09-03

Leppink, James A.

Wells

Processes

Sampling well fluid

166191, E21B 4908

Patent

active

045386838

ABSTRACT:
A multiple point groundwater sampler in which a rotatable inner cylinder has perforations which selectively align with the perforations of an outer cylinder to provide for sampling at individual horizons within a well casing, and means to withdraw the sample from the inner cylinder.

REFERENCES:
patent: 2751016 (1956-06-01), Watzlavick
patent: 2781663 (1957-02-01), Maly et al.
patent: 2942668 (1960-06-01), Maly et al.

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