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September 10, 202550th U.S. Rock Mechanics/Geomechanics Symposium

Experimental Validation of Fiber Bragg Grating (FBG) Measurement on Early Time Downhole Cement Stress

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Authors

QXQiquan XiongLos Alamos National LaboratoryMMMeng MengMacao Polytechnic UniversityCDCarly M. DonahueBerry College

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Overview

Laboratory test validates fiber bragg grating measurements for cement stress, highlighting its potential in hostile environments.

Key Points

  • FBG measurement accurately determines cement stress within 2% error, critical for assessing wellbore integrity.
  • Use of fiber optical sensing successfully identifies early-stage anisotropic stresses in cement-casing assembly.
  • Laboratory experiments simulate actual conditions, indicating FBG as a viable alternative to traditional strain gauges.
  • FBG measurements are sensitive to temperature changes, highlighting a limitation in underground environments.

Cite This Study

Xiong et al. (2025) studied this question.

synapsesocial.com/papers/68c1b60d54b1d3bfb60eb449https://doi.org/10.56952/arma-2025-0395
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Early-Time Cement Stress Characterization using Conventional and Fiber-Optic Bragg Gratings2025
  2. 2Accumulated Plastic Deformation Monitoring of Cement Sheath Interface Using Fiber-Optic Bragg Gratings2026
  3. 3Multiphysics monitoring of cementation operation: implications for wellbore integrity and hydrogeological characterization2024 · 17 citations
  4. 4Application of Fibre Bragg grating sensors for accurate deformation monitoring in civil structures: A literature review2025
  5. 5Study on Cement Curing Process Monitoring Based on Fiber Bragg Grating Sensing2025