Department of Petroleum Engineering Science and Research Branch Islamic Azad University Tehran Iran;
Department of Mining and Metallurgy Engineering Amirkabir University of Technology(Polytechnic of Tehran) Tehran Iran;
Shahrood University of Technology Faculty of Mining Petroleum and Geophysics Engineering Shahrood Iran;
Department of Petroleum Engineering Science and Research Branch Islamic Azad University Tehran Iran;
post-stack seismic data; multifractality; Hurst exponent; self-similar segmentation; layering detection;