Evaluation of Coalbed Methane Content by Using Kernel Extreme Learning Machine and Geophysical Logging Data

<div>(a) Contour map of CBM content of the 3<sup>#</sup> coal seam in Southern Shizhuang block (eastern area); (b) contour map of the average effective daily gas production from the 3<sup>#</sup> coal seam in the Southern Shizhuang block (eastern area).</div>

Geofluids

fig20

Figure 20

Figure 20: Evaluation of Coalbed Methane Content by Using Kernel Extreme Learning Machine and Geophysical Logging Data 