Method and apparatus for generating seismic waves
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United States of America Patent
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Aug 17, 2004
Grant Date -
Dec 12, 2002
app pub date -
Apr 18, 2002
filing date -
Apr 19, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of generating seismic waves in a rock mass surrounding a well comprises the steps of: (a) providing a packer and a fluid withdrawal line within the well, wherein the packer is located below the weathering zone and defines the upper limit of a working volume within the well, and the fluid withdrawal line is adapted to withdraw fluid from the working volume; and (b) providing and detonating an air-fuel mixture in the working volume to generate seismic waves, combustion products of the detonation being withdrawn from the working volume via the fluid withdrawal line.
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