New experimental methods to study proppant embedment in shales
It has been frequently reported that in unconventional shale formations, fractured well
productivity can be dramatically reduced by severe proppant embedment due to a reduction
in fracture aperture and conductivity. However, the mechanisms of this decline are poorly
understood. In the absence of this understanding, very few models take proppant
embedment into account when predicting production decline. In this study, we present both
new experimental techniques and analytical analysis to explore proppant embedment …
productivity can be dramatically reduced by severe proppant embedment due to a reduction
in fracture aperture and conductivity. However, the mechanisms of this decline are poorly
understood. In the absence of this understanding, very few models take proppant
embedment into account when predicting production decline. In this study, we present both
new experimental techniques and analytical analysis to explore proppant embedment …
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