Imaging 3D strain field monitoring during hydraulic fracturing processes

Rongzhang Chen; Mohamed A. S. Zaghloul; Aidong Yan; Shuo Li; Guanyi Lu; Brandon C. Ames; Navid Zolfaghari; Andrew P. Bunger; Ming-Jun Li; Kevin P. Chen

doi:10.1117/12.2227646

12 May 2016 Imaging 3D strain field monitoring during hydraulic fracturing processes

Rongzhang Chen, Mohamed A. S. Zaghloul, Aidong Yan, Shuo Li, Guanyi Lu, Brandon C. Ames, Navid Zolfaghari, Andrew P. Bunger, Ming-Jun Li, Kevin P. Chen

Author Affiliations +

Proceedings Volume 9852, Fiber Optic Sensors and Applications XIII; 98520W (2016) https://doi.org/10.1117/12.2227646
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

Abstract

In this paper, we present a distributed fiber optic sensing scheme to study 3D strain fields inside concrete cubes during hydraulic fracturing process. Optical fibers embedded in concrete were used to monitor 3D strain field build-up with external hydraulic pressures. High spatial resolution strain fields were interrogated by the in-fiber Rayleigh backscattering with 1-cm spatial resolution using optical frequency domain reflectometry. The fiber optics sensor scheme presented in this paper provides scientists and engineers a unique laboratory tool to understand the hydraulic fracturing processes in various rock formations and its impacts to environments.

Citation Download Citation

Rongzhang Chen, Mohamed A. S. Zaghloul, Aidong Yan, Shuo Li, Guanyi Lu, Brandon C. Ames, Navid Zolfaghari, Andrew P. Bunger, Ming-Jun Li, and Kevin P. Chen "Imaging 3D strain field monitoring during hydraulic fracturing processes", Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520W (12 May 2016); https://doi.org/10.1117/12.2227646

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