X-ray microtomography of hydrochloric acid propagation in carbonate rocks.

Machado, A C; Oliveira, T J L; Cruz, F B; Lopes, R T; Lima, I

Machado, A C; Oliveira, T J L; Cruz, F B; Lopes, R T; Lima, I.

Afiliação

Machado AC; Nuclear Instrumentation Laboratory, Nuclear Engineering Program, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Oliveira TJL; CENPES/Petrobras, Rio de Janeiro, RJ, Brazil.
Cruz FB; CENPES/Petrobras, Rio de Janeiro, RJ, Brazil.
Lopes RT; Nuclear Instrumentation Laboratory, Nuclear Engineering Program, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Lima I; Nuclear Instrumentation Laboratory, Nuclear Engineering Program, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil. Electronic address: inaya@lin.ufrj.br.

Appl Radiat Isot ; 96: 129-134, 2015 Feb.

Article em En | MEDLINE | ID: mdl-25485884

RESUMO

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.

Palavras-chave

Acidizing; Carbonate; Microtomography; Wormhole; X-ray

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Appl Radiat Isot Assunto da revista: MEDICINA NUCLEAR / SAUDE AMBIENTAL Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido

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