Measuring and testing – Measuring vessel
Patent
1977-04-19
1979-02-13
Swisher, S. Clement
Measuring and testing
Measuring vessel
G01N 122
Patent
active
041388917
ABSTRACT:
Toxic gases from oil and gas wells are sampled by a gas sensing assembly arranged at a distance from a wellhead being monitored. A gas pickup device arranged adjacent the wellhead is connected to the gas sensing assembly by a feed line through which gas is drawn from the pickup device to the gas sensing assembly by a suction pump system.
REFERENCES:
patent: 2556832 (1951-06-01), Vollrath
patent: 3757583 (1973-05-01), Ludewig
Dyer Don L.
Graves Phillip H.
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