GEOL463
Marine seismic source - airgun
High-pressure air
bubble released into
water
n
Operating pressure 10-15
MPa, released in 1-4 ms;
n
Size (volume of the lower
chamber) 10-2000 in
3
(0.16-33 liters);
n
Can shoot every 15-20
sec;
n
Highly repeatable source,
consistent signal
.