Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1984-10-01
1985-11-12
Goldstein, Herbert
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
73 38, 73703, G01L 2700, G01N 1508
Patent
active
045520119
ABSTRACT:
Transmission and reception of sonic waves and the adjustment of the water level in columns are utilized to establish a desired differential pressure across a core sample. The technique utilized to establish a desired differential pressure across a core sample can also be used to calibrate a differential pressure transducer if desired.
REFERENCES:
patent: 585883 (1897-07-01), Bosworth
patent: 3008332 (1961-11-01), Charbonnier et al.
patent: 3212338 (1965-10-01), O'Maley
patent: 3262305 (1966-07-01), Dawley
patent: 4026156 (1977-05-01), Bowditch et al.
Goldstein Herbert
Phillips Petroleum Company
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