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地震观测方法目前被广泛用于海底油气田勘探开发与CO2地质封存过程监测。比较了海面拖缆地震观测与海底节点地震观测方法的差异。海底节点地震观测方法能够采集多分量、全方位、高信噪比和高分辨率数据,同时具有数据定位精度高、采集可重复性以及数据采集性价比高等优势。在回顾海底节点地震观测方法发展过程与现状的基础上,展望了海底长期节点地震观测在海底油田可持续开发与CO2地质封存过程监测方面的应用前景。
Seismic observation methods are widely used in offshore exploration and development and CO2 geological storage process monitoring. The differences between seismographic observation of sea streamers and seismological observation of seabed nodes are compared. The seabed node seismic observation method can collect multi-component, omni-directional, high signal-to-noise ratio and high resolution data, and has the advantages of high data positioning accuracy, acquisition repeatability and data acquisition cost performance. Based on the review of the development process and current situation of seismic observation methods for submarine nodes, the prospect of long-term seismic observation of submarine horizons on the sustainable development of submarine oil fields and the monitoring of CO2 geological sealing process is prospected.