Apparatus for collecting samples from ground-holes

Details Apparatus for collecting samples from ground-holes Apparatus for collecting samples from ground-holes

1990-10-31

1993-07-20

Williams, Hezron E.

Measuring and testing

Sampler, sample handling, etc.

Capture device

73155, 166264, E21B 4908, G01N 100

Patent

active

052283453

ABSTRACT:
The down-hole sampler comprises a reservoir, with screw-down type valves top and bottom. The valves are arranged with the axes of the screw threads vertical. The valve members are integral with the structure of the sampler, whereby even with the valves screwed open, the sampler and the valves remain structurally intact. The sampler has a very slim overall diameter (down to 6 mm) and yet the valves are easy to operate, and sturdy and reliable in operation. The sampler includes a surface-operated check-valve for admitting a water sample into the reservoir.

REFERENCES:
patent: 2657576 (1953-11-01), Boykin
patent: 2862561 (1958-12-01), Teubner
patent: 3055764 (1962-09-01), Pryor et al.
patent: 4811599 (1989-03-01), Johnson et al.

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