Seismic energy source air gun

Details Seismic energy source air gun Seismic energy source air gun

1991-06-28

1993-07-13

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

181120, G01V 104, G01V 138, H04R 2300

Patent

active

052280101

ABSTRACT:
A shuttle air gun for generating an acoustic output for seismic testing having improved wear rings and seals is provided. The composition of the wear rings includes polytetrafluoroethylene. The composition of the seals includes polyester and Teflon oil. A vent assembly overlying a firing chamber vent check valve eclipsing an firing chamber vent is also provided. The vent assembly limits the movement of an O-ring check valve when compress air is vented from the firing chamber.

REFERENCES:
patent: 3750097 (1973-07-01), Havlik et al.
patent: 4484657 (1984-11-01), Barta
patent: 4623033 (1986-11-01), Harrison, Jr.
patent: 4753316 (1988-06-01), Bouyoucos et al.
patent: 4779245 (1988-10-01), Chelminski
patent: 5001679 (1991-03-01), Harrison
patent: 5009518 (1991-04-01), Tatum

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