Clay and basic understanding of burial diagenesis

Jūratė Vaznytė & Nicolaas Molenaar
Clay cements can occur pervasively throughout larger volumes of sandstone, thereby affecting the reservoir properties significantly. They affect irreducible water content and pore surface roughness. Moreover, any induced fluid or heat flow, as a consequence of hydrocarbon and geothermal production or CO2 sequestration, may have unwanted effects because of the clay minerals present. The effects will be dependent on the mineralogy, texture and distribution of the clay minerals. Clay minerals replacing detrital components (feldspars and...
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