1. Grupo de investigación
en Yacimientos de Hidrocarburos, Facultad dex Minas, Universidad Nacional de Colombia Sede Medellı́n, Kra 80 No. 65-223, Medellı́n, Colombia
2. Department of Chemical and Petroleum
Engineering, University of Calgary, 2500
University Drive NW, Calgary, Alberta, Canada
3. Department of Chemical Engineering, An-Najah National University, P.O. Box 7, Nablus, Palestine