In resource plays, hydrocarbons usually are present over a large area so that the geologic risk of not finding hydrocarbon in such plays is low. Examples of resource plays include shale-gas reservoirs, tight oil and gas reservoirs, coalbed methane, and so forth. Because of the low permeability of such reservoirs, lateral wells and hydraulic fracturing often are used. However, production from wells in such plays often shows considerable lateral variation, and a randomly placed well might not be profitable. Geophysical methods are, therefore, of great interest for identifying sweet spots and optimizing well placement. Economic production from such formations requires good reservoir quality (RQ), representing the multiple properties defining reservoir potential, and good completion quality (CQ), representing the multiple properties defining the potential for creating and sustaining large surface area in contact with the reservoir (Suarez-Rivera et al., 2011).

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