High-end open source data acquisition instruments and equipment

China has achieved a groundbreaking milestone in the development of high-precision deep-water oil and gas seismic exploration data acquisition equipment, overcoming longstanding reliance on foreign imports and addressing a critical threat to national energy security.

A team of researchers has successfully adapted cutting-edge methods from nuclear and particle physics experiments to tackle the core technical challenges in marine oil and gas exploration. Their innovations span signal acquisition, precise time measurement, system synchronization, and data readout, resulting in a complete research and development framework for large-scale marine towing cable data acquisition systems.

Breaking Barriers in Marine Seismic Exploration

The team's achievements include the development of China's first high-precision deep-water seismic exploration data acquisition equipment with a solid cable architecture. Key features include:

• Cable Length: Supports up to 15 kilometers.
• Sampling Rate: A maximum of 4kSPS.
• Channel Spacing: Minimum spacing of 3.125 meters.
• Performance: High-density acquisition, wide coverage, ultra-long cables, and reliable offshore operations.

This system matches international standards in performance, with some metrics achieving world-leading levels. The equipment has been installed on two large-scale marine geophysical survey ships, providing significant economic and social benefits while solidifying China's position as the third country globally to master this technology.

Strategic Impact and Recognition

This breakthrough has shattered international technical restrictions and price blockades, promoting a sustainable solution for marine oil and gas exploration. Recognized as a strategic development tool by the China National Offshore Oil Corporation (CNOOC), the equipment was featured in the 70th-anniversary innovation achievement exhibition of the Chinese Academy of Sciences. Additionally, it was designated as one of the major technical equipment achievements in the national energy field in 2021.

Advancing High-End Modular Data Acquisition Instruments

In another critical domain, the team has also made strides in developing high-end modular data acquisition instruments, breaking foreign monopolies in the market for nuclear and high-performance test equipment. Their modular instrument suite includes:

Signal Processing Modules: For data acquisition and analog signal conditioning.

Timing Modules: For precise synchronization and triggering.

Generalized Data Readout Hosts: Supporting ultra-high-speed multi-channel digitization.

These instruments deliver superior performance, including:

• Up to 64 channels per chassis with a maximum sampling rate of 10GSPS.
• Analog bandwidth up to 2GHz with multi-channel synchronization better than 10ps (RMS).
• Support for optical fiber data interfaces exceeding 10Gbps and a data storage speed of 4GB/s.

With international-grade performance and versatile functionality, these modular instruments mark a major step forward for China's scientific research and industrial applications.

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