The effect of through casing hydraulic fracturing on cement integrity

Abstract

EGS systems require massive hydraulic fractuing to ensure large heat exchange areas. For the oil and gas wells the hydraulic fracturing is typically performed through a fracturing string which protects the casing from excessive internal pressure. When high pump rates are required the fracturing job. This is why in geothermal wells fracturing through casing has been reported as an alternative solution. Hydraulic fracturing of petrothermal systems for example require high pressure and high flow rates in order to achieve its goals.