Research Article
Investigation of the Velocities of Coals of Diverse Rank under Water- or Gas-Saturated Conditions for Application in Coalbed Methane Recovery
Figure 4
Scatterplot of velocity data and goodness-of-fit correlations between UPVs and UPVp of lignite, bituminite, and anthracite cores under water and gas saturation.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |