Direct inversion of air gun pressure measurements for the equation of state of the bubble contents
R. Johnston and A. Ziolkowski
Event name: 58th EAGE Conference and Exhibition
Session: Data Acquisition II
Publication date: 04 June 1996
Info: Extended abstract, PDF ( 1.16Mb )
Price: € 20
We present a new method to compute the variation of pressure and volume of the oscillating bubble emitted by an air gun directly from a pressure measurement made outside the bubble. The equation of state of the contents of the bubble is found to be different for expansion and collapse, and indicates that heat transfer, rather than the effects of viscosity, is the major source of damping of the oscillations.