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By H. JACK MEYER

The Geophysical Corner is a regular column in the EXPLORER, produced cooperatively by the AAPG Geophysical Integration and SEG Interpretation committees, and edited by R. Randy Ray. This month’s column is titled “3-D Seismic and Underground Gas Storage, or ‘Will My Gas Be There When I Want It?’”

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Precision Is Now the Norm for Pool Development

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Courtesy of NW Natural

Figure 1: Subsea structure map to top of reservoir sandstone. The map was created by multiplying the time structure map, as interpreted from the 3-D data set, by the velocity gradient map. Color transition from white to green represents the pool’s original gas/water contact. Grid distance is 400 feet on a side.