Abstract

Analysis of greensand reservoirs all over the world has challenged geologists, engineers, and petrophysicsts. One challenge is to identify from core data the degree to which deformation of the reservoir rock affects hydrocarbon production. In the central part of the North Sea, massive allochtonous Paleocene greensands form reservoirs for oil. We study the deformation of one oil-zone sample from one of these reservoirs by sonic measurements, uniaxial compression testing, and image analysis of backscatter electron micrographs before and after testing.

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