Constant energy displacements
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United States of America Patent
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-
Dec 22, 2015
Grant Date -
Nov 21, 2013
app pub date -
Apr 30, 2013
filing date -
Apr 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons is provided. In one example, the source uses an engine and generator combination to create electric power for all systems on the source such as driving a frame of linear electric motors that direct a rod or piston to contact the ground in a recurring fashion along with driving the source from location to location through a survey area. A foot is arranged on the bottom end of the rod or piston for contact with the ground and by engaging the grid of motors to push down against the ground in a rapid progression, acoustic energy is created and delivered into the ground for geophones to sense and record.
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