Shandong Ruixiang Mold successfully completed the comparison test block for long-distance oil and gas pipeline inspection
Shandong Ruixiang Mold Co., Ltd. collaborated with China National Petroleum Corporation to develop a sample tube for magnetic leakage detection, which was successfully completed after more than two months. Nowadays, China's long-distance oil and gas pipelines have developed rapidly, and using steel pipelines to transport oil and gas has become an important measure for China's energy development. It plays an important role in promoting the healthy development of the national economy and narrowing the gap between western energy producing areas and developed eastern regions. And oil and gas pipelines are developing towards larger diameters, higher pressures, higher steel grades, and longer distances. Therefore, the quality and safe operation of oil and gas pipelines have received widespread attention, and the detection technology issues surrounding the safe operation of oil and gas pipelines have also attracted high attention from the government and enterprises.
Generally speaking, long-distance buried oil and gas pipelines are subject to joint influences from both internal and external environments during operation. Due to factors such as the conveying medium, fluid accumulation inside the pipeline, dirt, internal stress, coating damage, construction quality, fatigue failure, etc., it is easy to cause pipeline corrosion, deformation, cracking, etc. Therefore, it is necessary to conduct comprehensive inspections of in-service pipelines in a timely manner. The sample tube has a diameter of 1219mm and a length of 11m, with nearly 200 artificial incisions. A total of 10 butt welds were set up, and nearly 70 natural defects of different types and sizes were also set up inside the welds. At the same time, many simulated internal and external wall corrosion and external damage defects were also set up. These defects are used for the calibration of high-definition pipeline magnetic flux leakage detectors, which can effectively detect corrosion, external damage, welds and other problems on the internal and external walls of in-service pipelines buried deep underground. At the same time, in order to detect the geometric dimensions of length, width, and height of our processing defects, our company's inspectors have successively used A-scan, X-ray TOFD、 Visual inspection and other methods were used to test the sample tubes one by one. After testing, the artificial scratches processed all meet the customer's requirements, and this result is basically consistent with the testing data of the third-party testing company.
This magnetic leakage detection equipment can detect simulated defects at various depths, sizes, and interfaces. Through pipeline magnetic leakage detection, defects such as metal loss and partial cracks on the pipeline can be effectively detected, and the precise location of the defects can be pointed out for pipeline risk assessment, maintenance, and repair.
Providing high-quality products and accurate defect data is our company's responsibility and obligation. Only in this way can we provide reliable and powerful guarantees for the safe operation of pipelines.
(Written by our correspondent/photographer)
