The Iranian Journal of Oil & Gas Science and Technology (IJOGST) is a peer-reviewed and indexed journals which is published quarterly in English by the Petroleum University of Technology (PUT) with permission from the Ministry of Science, Research and Technology as a Scientific Research Journal. IJOGST brings together multidisciplinary interests in one journal and is to disseminate information on all aspects of research and development in Oil and Gas industries. Contributions in the form of research articles, short communications, comments, and reviews are considered for publication. Researchers and graduate students are cordially invited to submit their papers to IJOGST. The editors welcome original contributions that have not been published elsewhere.