Importance

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Abstract

Example computer-implemented methods, media, and systems for identifying and quantifying diagenetically produced cemented subsurface geobodies are disclosed. One example computer-implemented method includes obtaining one or more borehole logs of one or more wells in a subsurface reservoir. A functional relationship between acoustic impedance of the subsurface reservoir and volume of diagenetically produced cemented geobody in the subsurface reservoir is determined based on the one or more borehole logs. Multiple acoustic impedance cubes of the subsurface reservoir is obtained. Multiple volumes of diagenetically produced cemented geobodies in the subsurface reservoir is determined based on the functional relationship and the multiple acoustic impedance cubes of the subsurface reservoir, where the multiple volumes correspond to the multiple acoustic impedance cubes of the subsurface reservoir. Locations of the diagenetically produced cemented geobodies in the subsurface reservoir are mapped using the determined multiple volumes of the diagenetically produced cemented geobodies.

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First Claim