Abstract
Corrosion in the oil and gas industry represents one of the major problems that affect oil production and transportation processes. Several corrosion-inspection technologies are in the market to detect internal and external corrosion of oil storage tanks, but inspection of storage tanks occurs every 3 to 7 years. In between inspection interval, aggressive corrosion can potentially occur, which makes the oil and gas industry vulnerable to accidents. This study proposes a new internal corrosion detection sensor based on the magnetic interaction between a rare-earth permanent magnet and the ferromagnetic nature of steel, used to manufacture oil storage tanks. Finite element analysis (FEA) software was used to analyze the effect of various sensor parameters on the attractive force between the magnet and the steel. The corrosion detection sensor is designed based on the FEA results. The experimental testing of the sensor shows that it is capable of detecting internal metal loss due to corrosion in oil storage tanks within approximately 8 mm of the internal surface thickness. The sensor showed more than two-fold improvement in the detection range compared to previous sensor proposed by the authors. Furthermore, the sensor of this paper provides a monitoring rather than occasional inspection solution.
Highlights
The oil and gas (O & G) industry is one of the largest industries in the world, which has evolved significantly in the past couple of centuries and was the main factor that brought and enhanced the industrial revolution, which was the base that all of our current advanced technologies are built on
hydrogen sulfide (H2 S) as well as high pressures and temperatures, which leads to material deterioration [1]
Corrosion is a dangerous and costly problem that affects the O & G industry and affects almost all industries and public infrastructures. The reliability of such infrastructures contributes to the industrial productivity and economic competitiveness
Summary
The oil and gas (O & G) industry is one of the largest industries in the world, which has evolved significantly in the past couple of centuries and was the main factor that brought and enhanced the industrial revolution, which was the base that all of our current advanced technologies are built on. Running and managing such a huge industry requires a lot of work and concentration to keep all the facilities with different sectors under control, avoiding any problems that may affect oil and gas production and transportation processes. The reliability of such infrastructures contributes to the industrial productivity and economic competitiveness
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