.... The results from the use of the model showed that the onset of dilation could be estimated with a fair accuracy if the porosity and the in situ horizontal stress are known. P. 15 deformation reservoir geomechanics dilatancy dry sample peak stress clay content dilation iku petroleum research...

.... evolution reservoir characterization pore fluid pressure deformation crack length compression peak stress damage parameter mean crack length event rate experiment acoustic emission stress-strain curve specimen strain energy release rate temporal change mechanical data geologist geology...