A Systematic Approach to Identify Gas Storage Areas Using AHP_fuzzy Model: a Case Study of Bushehr Province

Document Type : Research Paper

Authors

1 Department of Petroleum and Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

2 Department of Engineering, Shahryar Branch, Islamic Azad University, Shahriar, Iran

3 Rafsanjan Allameh Jafari Higher Education and Non-profit Institution, Iran

Abstract

Gas storage is a vital component of the global energy system and plays a crucial role in ensuring energy security. As demand for natural gas increases, the need for efficient and effective gas storage facilities becomes increasingly important. One solution for this need identified by researchers and engineers is to find an optimal model for site selection, which it combines expert opinions and geographic information systems. Thus, the aim of this study is to identify gas storage sites in the Bushehr province by using a combination of geographic information systems and an expert panel to identify the most optimal location for gas storage. The research methodology in this study is analytical-descriptive, and it has a practical nature. To identify the indicators, theoretical studies have been used, ultimately determining four dimensions: natural (9 variables), physical (5 variables), environmental (5 variables), and infrastructure (9 variables), for which each criterion›s spatial layer was prepared. Of the 25 identified criteria, 9 have a negative effect, and they are normalized using an increasing linear fuzzy method, and the other 16 indices are normalized using a decreasing linear fuzzy method. According to the experts› opinions, salt domes and underground water tables, with a weight of 0.097, are identified as the most important criteria. Given that the inconsistency rate in the model is 0.05 and less than 0.1, the validity of the experts› comparisons is also confirmed. After applying the criteria weights and combining them using five fuzzy operators, the Gamma method identifies the best location, and two places, including the Jashak salt dome and the Sarbesi salt dome, are identified as the most suitable locations for gas storage.

Keywords


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