China's marine pipeline testing technology breaks foreign monopoly to achieve landmark development

[China Instrument Network Instrument R&D] The China Petroleum Pipeline Bureau revealed on the 25th that the first set of marine pipeline 32-inch high-definition high-definition magnetic leakage corrosion detector independently designed by the company's inspection company (hereinafter referred to as "Pipeline Inspection Company") The traction test was completed in the national engineering laboratory of oil and gas pipelines. The mileage of the equipment was accurate, the data was good, and the communication signal was stable. This move marks that China has broken the long-term foreign monopoly on this detection technology.

It is understood that magnetic flux leakage detection is currently the most mature in the world and the most widely used in-pipe inspection technology. This technology can detect the corrosion of pipes inside and outside walls, metal damage such as mechanical damage, low cleanliness of the pipeline being tested, and can be used for both oil and gas pipelines.

According to Chang Lian-geng, deputy general manager of Pipeline Inspection Company, at present, China’s R&D in this area has just started. Foreign companies’ “foreign testing” has long monopolized the Chinese pipeline testing market. “Monopoly means high prices and is not conducive to China. Marine pipeline safety."

The 32-inch marine pipeline high-definition magnetic leakage corrosion detector was developed by the Pipeline Bureau Inspection Company and the 716th Research Institute of China Shipbuilding Industry Corporation, and was officially launched on May 19, 2015. The project aims at the detection of metal defects in submarine pipelines, and studies technologies such as the high-pass and high-precision in-house detection technology for complex seabeds, multi-functional detection and precise positioning of defects, and finally completes the comprehensive evaluation system for submarine pipelines and detectors in submarine pipelines. Development.

According to reports, the detector has the advantages of strong ability to pass through deformed pipe sections, saturation of magnetized thick-walled pipes, accurate underwater tracking and positioning, and stable technical advantages such as stable underwater acoustic signal of beacon buoys, which completely solves the problem that China's existing detectors are not suitable for use under the sea. Puzzles. It also broke the long-term technical service monopoly of foreign technology companies in the field of China's marine pipeline testing, and realized the milestone development of China's marine pipeline detectors from scratch.

(Original title: China's marine pipeline testing technology breaks long-term foreign monopoly)

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