GE uses medical X-rays to detect subsea pipelines
X-rays and other types of radiation have become standard tools for testing the useful life of pipelines. However, these processes can only be carried out in factories, and they only target ground pipelines. Now, this status will likely end with the development of new GE technology. It is reported that GE has recently found a method that can use the medical X-ray system to conduct pipeline testing in the deep sea.
Pipeline is an indispensable part of the modern economy. Transporting oil, natural gas, and water resources all require the use of pipelines. Among them, many pipelines have been placed on the seabed. To ensure that there are no surprises, practitioners need to know the useful life of these pipes.
For pipelines in the deep sea, their installation work is completely different from the ground. At a depth of 3048 meters, the pipeline needs to withstand 300 atmospheres and 4 degrees Celsius. This is also why it is difficult for people to conduct related tests on the ground.
In this regard, engineers from GE Healthcare, GE Oil & Gas, BP, and Oceaneering thought of ways to use medical X-ray detectors. In this inspection process, protecting the digital detector array (DDA) has become the most important work. It is reported that DDA is a screen, the size of a computer monitor, for generating radiographic images. It is very fragile, so a casing is needed to protect it from high pressure and to avoid seawater corrosion.
Oceaneering said that the medical X-ray camera detector provides marine engineers with a higher-quality comparison chart and a more accurate judgment of the thickness of the pipe wall, and it also brings real-time data transmission, a wider range of X-ray exposure range and can handle large Part of the size of the pipeline capacity. Karen Southwick, a mechanical engineer at GE Healthcare, said, "What we do now is that we don't usually dare to try it. X-rays give us a new direction of research."
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