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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.

Figure 3.

Figure 4.

Figure 5 -- Structure map, top of Lower Ferron sandstone and water production bubble map. Note location of line 4. Dip to the WNW away from the San Rafael Swell is disrupted by a prominent north-south fault near the center of the map.