Why shale permeability changes under variable effective stresses: New insights
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DOI: 10.1016/j.fuel.2017.10.068
Abstract: Abstract Experimental measurements of shale permeability are normally conducted under conditions of constant effective stresses. Based on the theory of poroelasticity, shale permeability in non-sorbing media is determined by the effective stress alone and remains… read more here.
Keywords: effective stresses; matrix; gas; shale permeability ... See more keywords
Permeability Changes Resulting from Quartz Precipitation and Dissolution around Upper Crustal Intrusions
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DOI: 10.1155/2018/6957306
Abstract: It has long been recognized that quartz precipitation from circulating hydrothermal fluids may reduce porosity and permeability near intrusions. However, the magnitude of permeability changes and potential feedbacks between flow, heat transfer, and quartz precipitation/dissolution… read more here.
Keywords: porosity; host rocks; quartz precipitation; permeability ... See more keywords