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Proceedings Paper

Analysis of mechanical and thermal response of rock due to laser drilling using optical fiber Bragg grating sensors
Author(s): Sully M. M. Quintero; Guilherme B. Patusco; Hugo G. da Silva; Felipe O. Furtado; Luiz C. G. Valente; Arthur M. B. Braga
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Paper Abstract

Optical fiber Bragg grating sensors (FBGs) were used to measure strain and the temperature field that develop during laser drilling of carbonate rock samples. The shear deformation and high temperature gradient measured are clearly correlated with traces of fractures observed. Beyond the volume directly evaporated by laser exposure, a greater volume around the drilling area was fractured. From the perforation process point of view, it results in an increase of efficiency.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963441 (28 September 2015); doi: 10.1117/12.2194836
Show Author Affiliations
Sully M. M. Quintero, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)
Guilherme B. Patusco, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)
Hugo G. da Silva, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)
Felipe O. Furtado, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)
Luiz C. G. Valente, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)
Arthur M. B. Braga, Pontifical Catholic Univ. of Rio de Janeiro (Brazil)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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