Decommissioning Options Assessment on Environmental Impact and Economic Impact for Fixed Offshore Platform

Decommissioning activity is undeniable has high potential on environment risk and also not economic in term of cost. The concern on these issues increasing as many parties realized the exploration of oil and gas is developing year by year. Thus, many platforms need to execute decommissioning once they reach their productive life. Life-Cycle Assessment (LCA) is designed as a tool to assess the impacts systemically, technically and analytically by quantifying the associated impacts. The assessment will be conducted using two LCA tools which are Process based Method and EIO-LCA Method. Both tools will be used to compare and evaluate the effects and differences between two decommissioning options (Complete Removal and Partial Removal) in term of energy consumption and greenhouse gaseous emissions and also economic impacts.