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SEG Technical Program Expanded Abstracts 2011
We have investigated potential risk of gas eruption by air gun operation in a seismic survey on the Lake Kivu, East Africa, which contains a huge amount of gas dissolved in the water zone below a depth of 260 m. Measured data suggest that gas nucleation and bubble growth in a large body of water require super-saturated condition (pressure significantly lower than the bubble pressure (B. P.) and significant long relaxation time (> 1 second). Initial homogeneous gas nucleation in water enhancesdoi:10.1190/1.3628220 fatcat:vsrgtuuzcrbu3hyzuxmt5w6krq