March 7, 2017

Applications of X-ray computed tomography in the geosciences by Geological Society Publications

By Geological Society Publications

X-ray computed tomography (CT) is a method that enables non-destructive imaging and quantification of inner positive aspects of gadgets. It was once initially constructed as a scientific imaging procedure, however it is now additionally turning into favourite for the examine of fabrics in engineering and the geosciences. X-ray CT finds modifications in density and atomic composition and will consequently be used for the examine of porosity, the relative distribution of contrasting stable stages and the penetration of injected strategies. As a non-destructive procedure, it's very best for tracking of tactics, reminiscent of the circulation of strategies and the behaviour of fabrics below compression. simply because huge numbers of parallel two-dimensional cross-sections may be received, third-dimensional representations of chosen positive aspects might be created. during this booklet, a variety of purposes of X-ray CT within the geosciences are illustrated through papers protecting quite a lot of disciplines, together with petrology, soil technological know-how, petroleum geology, geomechanics and sedimentology.

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Displacement of heavy oil visualized by CAT scan. In: Proceedings Conference and Exhibition, Denver, Colorado, of the 37th Annual Technical Meeting of the 6-9 October, Paper SPE 36682. Petroleum Society of CIM, Calgary, 8-11 June, AMERICAN PETROLEUM INSTITUTE 1960. API Recom605-620. mended Practice for Core Analysis Procedures. A. & SEPEHRNOORI, K. 1991. SimuReport 40. G. R. 2001. Surfactant characterized using CT scanning. In: Proceedings concentration and end effects on foam flow in of the Western Regional Meeting, Long Beach, Caliporous media.

Images obtained are three-dimensional because reconstruction is performed onto a specified threedimensional grid. This eliminates the need for interpolating between two-dimensional images. Fig. 3. Scans of an imbibition cell that allows imaging of the entire core length. Dry image (left), water-saturated image (middle) and porosity image (right). 5cm. 28 S. 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.

An integrated study of drilling-fluid shaly rock interactions: a key to solve wellbore instability problems. Oil Gas European Magazine, 24, 25-29. M. E. 1990. Analysis of transient foam flow in 1-D porous media with CT. In: Proceedings of the 60th Regional California Meeting, Ventura, California, 4-6 April, Paper SPE 20071. Lu, X. P. M. 1992. Determination of gas storage in Devonian shales with X-ray computed tomography. In: Proceedings of the 67th Annual Technical Conference and Exhibition of Society of Petroleum Engineers, Washington, DC, 4-7 October, Paper SPE 24810.

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