Mechanistic modeling of CO2 well leakage in a generic abandoned well through a bridge plug cement-casing gap

•T2Well simulations of well leakage involving non-Darcy flow of CO2 and brine between a cement plug and steel casing wall were carried out.•Transient leakage flows are observed with interesting phase interference behavior strongly dependent on gap aperture.•Phase-change and decompression lead to ver...

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Veröffentlicht in:	International journal of greenhouse gas control 2020-06, Vol.97 (C), p.103025, Article 103025
Hauptverfasser:	Pan, L., Oldenburg, C.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Abandoned well Bridge plug failure CO2 and brine leakage Mechanistic modeling
Online-Zugang:	Volltext
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