X-Ray Computerized Tomography
Abstract
Distinguished Author Series articles are general, descriptiverepresentations that summarize the state of the art in an area of technology bydescribing recent developments for readers who are not specialists in thetopics discussed. Written by individuals recognized as experts in the area, these articles provide key references to more definitive work and presentspecific details only to illustrate the technology. Purpose: to informthe general readership of recent advances in various areas of petroleumengineering. Summary. Computerized tomography (CT) is a new radiological imagingtechnique that measures density and atomic composition inside opaque objects. Arevolutionary advance in medical radiology since 1972, CT has only recentlybeen applied in petrophysics and reservoir engineering. This paper discussesseveral petrophysical applications, including three-dimensional (3D)measurement of density and porosity; rock mechanics studies; correlation ofcore logs with well logs; characterization of mud invasion, fractures, anddisturbed core; and quantification of complex mineralogies and sand/shaleratios. Reservoir engineering applications presented include fundamentalstudies of CO2 displacement in cores, focusing on viscous fingering, gravitysegregation, miscibility, and mobility control. Introduction X-ray CT is a radiological imaging technique first developed in GreatBritain in 1972 by Hounsfield. CT revolutionized medical radiology by producinganatomical images of extraordinary…
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