G - Physics
01
N
73/115, 103/57
G01N 7/14 (2006.01) G01N 15/08 (2006.01) G01N 33/24 (2006.01)
Patent
CA 1233671
MERCURY PUMP ABSTRACT OF THE DISCLOSURE A mercury pump for analyzing geological core samples has a vertically oriented cylindrical cavity in which a lower portion forms a mercury displacement chamber and an upper portion in axial alignment with it forms a sample chamber. A pressure transducer, e.g., a strain gauge or solid-state sensor, in communication with the sample chamber produces an electrical pressure signal. A screw ball jack urges a synthetic-resin piston upwards in the displacement section to push the mercury into the sample chamber. The displacement of the mercury is sensed by an electronic encoder coupled to the hand crank of the jack, and provides data regarding both the direction and the amount of piston displacement. A microprocessor-controlled volume-measuring device has inputs connected to the encoder, and automatically provides core sample data, in response to the signals from the encoder, at the end of a core test run.
490281
Core Holdings B.v.
Core Laboratories Inc.
Ridout & Maybee Llp
LandOfFree
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