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Abstract

Hydrothermal dolomitization is present in several Middle East carbonate reservoirs including Ghawar,<br>the North Field and South Pars. Structurally controlled hydrothermal dolomitization describes the<br>replacement of limestone with dolomite and/or the precipitation of dolomite cement and associated<br>MVT minerals (anhydrite, sulfides, quartz and fluorite) as a consequence of subsurface brines that<br>ascend upwards through fault and fracture systems. This fluid rock interaction in the burial<br>environment has the potential to both improve and/or degrade reservoir quality depending on the<br>properties of the host rock, fluid composition, timing of fluid flow and spatial position relative to<br>structure.

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/content/papers/10.3997/2214-4609-pdb.248.463
2010-03-07
2024-04-27
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.248.463
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