Effects of CO2-Induced Reaction on Transport Properties of Debonded Well Cement-Casing Interfaces

Effects of CO2-Induced Reaction on Transport Properties of Debonded Well Cement-Casing Interfaces

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Intro

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1 of 11

Intro

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Effects of CO2-Induced Reaction on Transport Properties of Debonded Well Cement-Casing Interfaces

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  1. 1 Intro
  2. 2 Wells provide potential Co, leakage paths
  3. 3 Reaction and transport in debonded cement-casing interfaces
  4. 4 Approach: reactive flow-through experiments
  5. 5 Results: apparent sample permeability
  6. 6 Results: microstructural observations
  7. 7 Results: XRF single-element maps (Coil B)
  8. 8 Results: SEM evidence for sealing (Coil A)
  9. 9 Results: thermo-gravimetric analysis (A+B)
  10. 10 Upstream dissolution + downstream precipitation a long-range defect sealing mechanism
  11. 11 Conclusions

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