Evaluation of the conventional and synchrotron X-ray tomography applied to heterogeneous oil reservoir rocks

Autores

  • Guilherme José Ramos Universidade Federal de Minas Gerais image/svg+xml
  • Paula Campos de Oliveira Universidade Federal de Minas Gerais image/svg+xml
  • Rodrigo Surmas Petróleo Brasileiro S.A. - PETROBRAS, Research and Development Center
  • Leandro de Paulo Ferreira Petróleo Brasileiro S.A. - PETROBRAS, Research and Development Center
  • Henning Markötter Institute of Applied Materials, Helmholtz-Zentrum Berlin
  • Nikolay Kardjilov Institute of Applied Materials, Helmholtz-Zentrum Berlin
  • Ingo Manke Institute of Applied Materials, Helmholtz-Zentrum Berlin
  • Luciano Andrey Montoro Universidade Federal de Minas Gerais image/svg+xml
  • Augusta Isaac Universidade Federal de Minas Gerais image/svg+xml

DOI:

https://doi.org/10.15392/bjrs.v7i3A.844

Palavras-chave:

Microtomography, synchrotron X-ray, lab-based X-ray, characterization.

Resumo

Carbonate and sandstone reservoirs play an important role in oil industry as they host over 50% of the world’s hydrocarbon reserves. For an accurately assessment of porosity and pore size distribution of such complex pore-network, which affect directly the macroscopic characteristics of multiphase fluid flow, X-ray computed microtomography (micro-CT) emerges as a powerful tool. In contrast to lab-based X-ray micro-CT (XCT), synchrotron X-ray micro-CT (SXCT) images are commonly free of artefacts (i.e. beam hardening) and the unique properties of synchrotron sources enable the X-ray imaging of complex and heterogeneous materials in greater detail, with higher quality, and short acquisition time. This work reports results of cone beam computed microtomography (XCT) in comparison with synchrotron computed microtomography (SXCT) applied to very heterogeneous carbonate and sandstone reservoir rocks. We analyze the quality of the image generated in terms of detection of details and artefacts, the advantages and limitation of each technique, as well as features like contrast, sharpness, and signal-to-noise ratio (SNR). Although SXCT offers significant advantages over XCT, the latter gains in cost of operation, accessibility and user-friendliness.  

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Publicado

14-07-2019

Edição

v. 7 n. 3A (Suppl.) (2019)

Seção

Semana de Engenharia Nuclear e Ciências das Radiações

Licença

Direitos autorais (c) 2019 Brazilian Journal of Radiation Sciences

Creative Commons License

Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.

Declaro que o presente artigo é original, não tendo sido submetido à publicação em qualquer outro periódico nacional ou internacional, quer seja em parte ou em sua totalidade. Declaro, ainda, que uma vez publicado na revista Brazilian Journal of Radiation Sciences, editada pela Sociedade Brasileira de Proteção Radiológica, o mesmo jamais será submetido por mim ou por qualquer um dos demais co-autores a qualquer outro periódico. Através deste instrumento, em meu nome e em nome dos demais co-autores, porventura existentes, cedo os direitos autorais do referido artigo à Sociedade Brasileira de Proteção Radiológica, que está autorizada a publicá-lo em meio impresso, digital, ou outro existente, sem retribuição financeira para os autores.

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Como Citar

Evaluation of the conventional and synchrotron X-ray tomography applied to heterogeneous oil reservoir rocks. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 7, n. 3A (Suppl.), 2019. DOI: 10.15392/bjrs.v7i3A.844. Disponível em: https://bjrs.org.br/revista/index.php/REVISTA/article/view/844. Acesso em: 15 jul. 2025.