Abstract
Industrial accidents in recent years, particularly in the 1980s, have contributed significantly to the attention of government authorities, industry and society as a whole, in order to seek mechanisms to prevent such episodes that compromise safety of people and the quality of the environment. Currently one of the most discussed topics in various industries is process safety. Not all hazards and risks are the same or can have the same consequences. Process hazards and risks can cause major accidents, involving the release of potentially hazardous materials, fires, and explosions, or both. Accident studies have shown that equipment malfunctions are one of the major causes of unexpected and undesirable events, and so the inspection has been a technique to examine the actual condition of equipment exposed to corrosion damage mechanisms. One of the outputs from the inspection process is the observation of which damage mechanism is acting more intensely on the equipment or the piping. Having this information can help in forecasting the corrosion rates, which consequently assists in the design of a better inspection and maintenance plan. This work presents a methodology based on the Fuzzy logic, to analyze which are the corrosion damages mechanisms that contribute most to the deterioration of the equipment and pipes in an oil platform.
Highlights
After World War II, the demand for new materials intensifies and according to the International Disaster Database (EM-DAT), there have never been as many records of technological accidents as in the last decades (Figure. 1)
We present the concept of Fuzzy logic, applied to an inspection plan of an FPSO
This methodology allows listing a ranking of the mechanisms of damage most impacting to the materials of pipes and equipment. This information is very important if we want to manage the risks of a process plant that is located in a floating unit, producing and storing oil
Summary
After World War II, the demand for new materials intensifies and according to the International Disaster Database (EM-DAT), there have never been as many records of technological accidents as in the last decades (Figure. 1). This ends up triggering a change in the importance of "Safety", which has become an important factor to be considered due to the increase of the complexity of processes (operations with high temperatures and pressures) in the industries that can cause technological accidents, and with this, itself has been transformed, leaving aside the emphasis only on personal safety and on what we might call loss prevention. Past experiences of onshore and offshore oil and gas activities have revealed that a small error in the operation of the process can turn into a catastrophe. This is a special concern in the platform due to the limited space and compact geometry of the process area, less ventilation, and difficult escape routes. Several accidents have occurred over the years with severe environmental consequences and multiple worker fatalities
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