Method for producing seismic pulses
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United States of America Patent
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-
Jun 6, 2000
Grant Date -
N/A
app pub date -
Sep 17, 1997
filing date -
Dec 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method involves using an acoustic wave generating apparatus, such as an 'air gun', which employs only a single gas or single gas mixture and which has a gas pressurizable chamber with an inlet for permitting pressurized gas to be introduced into the chamber and a closed outlet which can be opened rapidly to release pressurized gas from the chamber into a liquid to generate acoustic wave energy. Hydrogen and/or helium is/are used instead of air as the gas with the result that the strength and quality of the initial pulse of the generated wave energy is improved.
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