Seismic methods having extended energy release
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United States of America Patent
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Nov 18, 2003
Grant Date -
Jan 16, 2003
app pub date -
Jul 11, 2001
filing date -
Jul 11, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved seismic method comprises the steps of generating seismic waves by exploding an explosive device in a subterranean formation, wherein the explosive device comprises a plurality of explosive elements whereby there is a time delay between the detonations of the individual explosive elements, and detecting the seismic waves and/or reflections thereof with seismic detectors. Also disclosed are geophysical survey systems that comprise a seismic energy source comprising an explosive device that comprises a plurality of explosive elements, the seismic energy source being located in a subterranean formation, and a plurality of seismic detectors that are adapted to detect seismic waves and/or reflections generated when the seismic energy source explodes.
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