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Updated: Apr 19, 2026

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography
Published on: February 21, 2017
X-ray microtomography of hydrochloric acid propagation in carbonate rocks
A C Machado1, T J L Oliveira2, F B Cruz2
1Nuclear Instrumentation Laboratory, Nuclear Engineering Program, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Abstract:
Acid treatments are used in the oil and gas industry, to increase the permeability of the carbonate reservoirs by creating preferential channels, called wormholes. Channels formation is strongly influenced by acid type and injection rate. The aim of this study is to evaluate some characteristics of the microporous system of carbonate rocks, before and after acidizing. For that purpose X-ray high-resolution microtomography was used. The results show that this technique can be used as a reliable method to analyze microstructural characteristics of the wormholes.
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