Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1997-02-28
1998-01-13
Noland, Thomas P.
Measuring and testing
Sampler, sample handling, etc.
Capture device
7386433, 166264, G01N 114, E21B 4908
Patent
active
057082200
ABSTRACT:
Liquid, such as ground water in a well casing, is sampled by lowering a submersible liquid sampling device to a submerged sampling position in the liquid, collecting a fixed volume sample of the liquid within a sample collection chamber in the submerged sampling device, and introducing a pressurized inert gas into the collection chamber to expel the fixed volume sample from the chamber through a sample transfer tube to a ground level sample receiver which may immediately analyze the sample or be removable for analysis of the sample in a separate laboratory.
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Brown Boniard I.
Noland Thomas P.
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