Models for the Multicriteria Selection of Options for Decommissioning Projects for Offshore Oil and Gas Structures

Companies are striving to optimize the decommissioning process of oil and gas facilities in order reduce overall costs. Various options criteria for making decisions on liquidation objects considered, which based a multicriteria approach that allows optimizing this complex process. The most important characteristics reliable model defined as follows: option should take into account qualitative quantitative criteria. To minimize subjectivity human judgment, systematic poll skilled performers be conducted using well-structured technique. It is shown decision analysis can considered an adequate choosing assets. Based test case reflects practice offshore platforms state California (USA), logic algorithm calculations reproduced when best facilities. presented calculation scheme quite universal used at other facilities, including Russian ones. In determine optimal choice, three project structures (platforms) were considered: complete liquidation, partial leaving place.