Nafiseh Falahi - Master, Industrial Engineering, Islamic Azad University, South Tehran Branch
Farshid Abdi - Assistant professor and member of the faculty, Department of Industrial Engineering, Islamic Azad University, South Tehran Branch
Sadigh raissi - Associate professor and member of the faculty, Department of Industrial Engineering, Islamic Azad University, South Tehran Branch

Following dangers limitation strategies to reduce incidence possibility, intensity traces, and increase assessment capability happens in oil and gas industries have kept on focus by managers. The scopeof this project is choosing the most suitable cases which reduce expenses of risks in Ilam-Ahvaz transmitpipe line reparation project. Firstly, by using the three-point Delphi method, these were recognized the most criticism dangers, and then with the help of smarts‘ ideas, several choices were identified against them, and finally based on fuzzy TOPSIS method, many preference strategies were introduced. Research results showthat ―preparation of article and equipment by go-betweens for risk prohibition‖, ―installation control valvesfor earthquake risk‖, ―quarrel resolve group prediction at the start of the agreement for deferment risk to resolve opponent pension cases‖, ―payment credit security of external stuff to change the amount of payment‖, ―amendment written safety recipes at the start of the project to explore and fire risks‖, ― forecastfor torrent and water eclipse‖, are the most important policies that following them can cause noticeable reduction in crisis dangers

Risk reduction strategy, oil and gas industries, TOPSIS method, phase logic, risk reply strategies