Air release in seismic source air gun

Details Air release in seismic source air gun Air release in seismic source air gun

1983-05-27

1986-11-18

Jordan, Charles

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

367144, G01V 104, G01V 138, H04R 102

Patent

active

046230335

ABSTRACT:
A seismic energy source air gun has a body with an air chamber formed therein that opens 360 degrees around the periphery of the body. A sleeve-type shuttle covers the opening in a pre-fire condition. When the air gun is fired, the shuttle moves rapidly away from the opening providing a large area for compressed air held in the chamber to escape. This very quick release maximizes the acoustic output. The movement of the shuttle is ultimately controlled by a solenoid which, when activated, causes the shuttle to move away from the 360 degree opening and when deactivated permits the shuttle to move back into the pre-fire position over the 360 degree opening.

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patent: 4472794 (1984-09-01), Chelminski

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