Reactive transport modeling of early burial dolomitization of carbonate platforms by geothermal convection

FF Whitaker, Y. Xiao

Research output: Contribution to journalArticle (Academic Journal)peer-review

68 Citations (Scopus)

Abstract

Reaction transport models (RTMs) permit quantitative investigation of diagenesis and its effects on reservoir quality. The RTM TOUGHREACT is used to investigate diagenesis in an isolated platform driven by geothermal (‘Kohout’) convection of seawater, which has been invoked to explain dolomitisation during early burial. Previous short (0.1 Ma) RTM simulations suggested that convection can drive dolomitisation, mostly at >50°C, and anhydritisation, but complete dolomitisation requires >30-60 Ma. Our more extended RTM simulations (
Translated title of the contributionReaction transport modeling of geothermal convection: a viable mechanism for early burial dolomitisation of platform carbonates
Original languageEnglish
Pages (from-to)889 - 917
JournalAmerican Association of Petroleum Geologists Bulletin
Volume94
Issue number6
DOIs
Publication statusPublished - 2010

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