The effect of different gases on the ultrasonic response of coal
To gauge the potential of seismic methods for the estimation of gas content in coal, the ultrasonic response of a sample saturated in turn with He, N2, CH4, and CO2 has been investigated. Specifically, traveltimes were used to determine P-wave velocity as a function of the difference between confini...
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| Format: | Journal Article |
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Society of Exploration Geophysics
2011
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| Online Access: | http://hdl.handle.net/20.500.11937/44858 |