Method and apparatus for detonation of distributed charges
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United States of America Patent
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Oct 13, 1987
Grant Date -
N/A
app pub date -
Oct 24, 1985
filing date -
Oct 24, 1985
priority date (Note) -
Expired
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Abstract
A seismic geophysical prospecting method and apparatus is described involving the sequential shooting of lump explosive charges spaced apart in a borehole so as to produce seismic wave reinforcement in a given direction. Fast acting electronic switch means control the detonation of each charge responsive to the advance of the seismic waves front substantially independent of formation pressure wave velocity.
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