X-ray computed microtomography for the inspection of flexible risers

Non-destructive testing (NDT) techniques such as fiber optics, acoustic transmission, electromagnetism, radiography, and others, are applied to the inspection and monitoring of risers, in addition to a combination of techniques that can increase the representativeness of the methods. Most techniques are intrusive or are not considered sensitive methods in different regions of the riser structures, or some limitations prevent development for field application. X-ray Computed Microtomography (microCT) is a non-invasive technique, based on the X-ray attenuation process, which promotes the formation of high-resolution 3D images, allowing the visualization and analysis of the internal structures of the studied sample. This work aims to evaluate the effectiveness of the X-ray Computed Microtomography technique in detecting defects such as microcracks in flexible risers, focusing on the structural integrity and reliability of the offshore oil and gas system. (author)