عنوان مقاله [English]
Nowadays, Oil and gas industry has made fundamental changes in growth and development of our country and contemporary demands for oil products and their various applications, in parallel, our country’s potential in this fields leads to noticeable investments of government on this industry. In this regard, the first step is supplying equipment which are needed for transformation the hydrocarbon resources to refineries. Next step is applying specific operations and processes to produce the favorable products. Supplying equipment in shortest time and highest quality make the supply chain more efficient and help an organization to reach its mission. The main aim of this study is to increase the efficiency of the supply chain by the lean supply chain. This process commences with recognition of waste parameters in supplying types of equipment in Iranian Offshore Engineering and Construction Company, and then the parameters sort based on priority and finally led to propose some solution for omission or decline of wastes. So, consulting with professionals, 10 main wastes have been recognized and sorted by applying AHP method by Expert Choice software. In conclusion, several solutions have been proposed for decreasing of wastes.