By Geological Society Publications
X-ray computed tomography (CT) is a method that enables non-destructive imaging and quantification of inner positive aspects of items. It used to be initially built as a scientific imaging strategy, however it is now additionally turning into favourite for the research of fabrics in engineering and the geosciences. X-ray CT unearths transformations in density and atomic composition and will for that reason be used for the research of porosity, the relative distribution of contrasting strong stages and the penetration of injected suggestions. As a non-destructive approach, it really is superb for tracking of procedures, resembling the flow of ideas and the behaviour of fabrics less than compression. simply because huge numbers of parallel two-dimensional cross-sections should be bought, third-dimensional representations of chosen good points should be created. during this ebook, numerous functions of X-ray CT within the geosciences are illustrated by way of papers overlaying quite a lot of disciplines, together with petrology, soil technology, petroleum geology, geomechanics and sedimentology.
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1998. A study of steam-water relative permeability. Proceedings of the 68th Annual Society of Petroleum Engineers Western Regional Meeting, Bakersfield, California, 11-15 May, Paper SPE 46209. M. R. 1998. Spontaneous water imibition into diatomite. Proceedings of the 68th Annual Society of Petroleum Engineers Western Regional Meeting, Bakersfield, California, 11-15 May, Paper SPE 46211. E. M. 1988. Application of X-ray imaging techniques to oil sands experiments. Journal of Canadian Petroleum Technology, 27, 104-110.
Application of X-ray CT scanning to the determination of gas-water relative permeabilities. In: Proceedings of the 65th Annual Technical Conference and Exhibition of Society of Petroleum Engineers, New Orleans, Louisiana, 23-26 September, Paper SPE 20494. K. W. 1991. Interpretation of laboratory gasfloods with multidimensional compositional modeling. In: Proceedings of the Society of Petroleum Engineers Symposium on Reservoir Simulation, Anaheim, Califormia, 17—20 February, Paper SPE 21204. K. E.
AKIN & A. R. KOVSCEK Such an instrument might be useful for examining some of the relatively large features of the microstructure of a porous medium, a detailed examination of porosity and analysis of static fluid distribution within porous media. Scan times are relatively long (20 min), making frontal tracking difficult. Perhaps the most important factor in terms of image quality is the geometry of the experimental set-up. Since the geometry of the scanner and reconstruction is circular, it is better to have round objects and to centre the apparatus within the scanner gantry.
Applications of X-ray computed tomography in the geosciences by Geological Society Publications