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By WILLIAM S. LYONS

The Geophysical Corner is a regular column in the EXPLORER, edited by R. Randy Ray. This month's column is titled "Seismic Guides Interpretation in the Ferron Coalbed Methane Play."

Seismic Maps Ferron Coalbed Sweetspots

See enlarged image for graphic / photo credit.

Figure 1.

Figure 2.

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Figure 5.

Figure 3 -- Synthetic seismogram and pseudo-velocity log produced from density log on the Telonis 30-157, Drunkards Wash Field. Comparison of synthetics created from density logs and from sonics in the same wells closely match this area. Note the double trough-peak set generated through the Ferron sand and coal interval.