【Major Industrial Equipment in the Chemical Engineering Sector】From 2019 to 2022, CNOOC Offshore Services developed its own marine exploration equipment, which was installed on deep-water geophysical survey vessels
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The last edit to this post was made by Desert Fish on 2022-9-2 at 11:08. On August 29, reporters learned from CNOOC Offshore Services, a company based in the new development area, that the domestically developed set of equipment for marine seismic exploration has been installed on the deep-water exploration vessel \"Ocean Oil 720\", laying a solid foundation for the use of such domestic equipment in oil and gas resource exploration in China’s deep-sea areas in the future. It is understood that this set of marine seismic exploration streamer equipment includes the “Haiyuan” source control system, the “Hailiang” streamer acquisition system, the “Haitu” comprehensive navigation system, as well as devices from the “Haiyan” series, all of which are key components in seismic operations for marine oil and gas exploration. These systems cover the entire process of marine seismic data collection, including source activation, process monitoring, data reception, real-time positioning, and control of underwater devices. Prior to the deployment of this complete set of equipment, the four key system components had already been put into production and testing, and the acquisition of 2D and 3D seismic data was completed. After verification and analysis by relevant expert teams, this system has met the design requirements in terms of various indicators such as stratigraphic resolution and imaging clarity.
Given that the technical development of marine seismic exploration equipment involves numerous fields and presents significant challenges, CNOOC Offshore Services, building on more than three decades of research experience, launched systematic industrialization efforts in 2019. By overcoming various technical obstacles, it succeeded in developing high-precision marine seismic exploration equipment with independent intellectual property rights. Offshore Oil 720 is China’s first large-scale deep-water geophysical survey vessel equipped with 12 cables, capable of conducting seismic surveys at depths of up to 3,000 meters. It has successfully completed high-quality survey operations on various important overseas projects. Upon completion of this installation, Offshore Oil 720 will be equipped with this independently developed system, which will further improve the quality of seismic data collected and thus contribute more to China’s deep-water oil and gas exploration and development efforts. It is reported that the installation process took 25 days, during which more than 60 round trips were made by heavy trucks, transporting a total of over 1,000 tons of equipment. During this period, construction was carried out in a staggered manner: while the existing imported equipment was removed from the ship, workers worked in teams to install the entire set of domestically developed equipment, thus completing all the installation tasks safely and efficiently. Currently, the \"Ocean Oil 720\" is undergoing joint debugging of related equipment, and production demonstration applications are set to begin in the near future.
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