According to the website of the State-owned Assets Supervision and Administration Commission, a few days ago, China's first marine seismic exploration node equipment complete test platform project with completely independent intellectual property rights started construction in Tianjin Binhai New Area.
The seismic exploration of seabed nodes records the seismic signals excited in the seawater and reflected by the stratum interface under the seabed through the node seismometers deployed on the seabed, which can obtain multi-azimuth and multi-bias in the offshore drilling-intensive areas. Shift seismic dataset.
According to reports, for a long time, the submarine node equipment technology has been monopolized by foreign companies and the core technology and operating water depth are limited . At present, the products purchased from foreign companies are not only expensive, but also can only be used for shallow water exploration equipment within 300 meters of water depth.
Since 2019, COSL, a subsidiary of CNOOC, has started technical research on autonomous subsea nodes, and has completed the sea test of the subsea node engineering prototype. The final assembly test line currently under construction in Tianjin is the first marine seismic exploration node equipment assembly test line with completely independent intellectual property rights in China , integrating equipment assembly and performance testing functions.
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