海底节点长期地震观测:油气田开发与CO_2地质封存过程监测

Ocean Bottom Nodes Time-lapse Seismic Survey for Monitoring Oil and Gas Production and CO_2 Geological Storage

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 survey methods are widely applied for monitoring sea bottom oil field production and CO2 geological storage.This paper compares the differences between towed-streamer and Ocean Bottom Nodes（OBN） seismic survey.Multi-component,full-azimuth,high signal-to-noise ratio,high resolution,high accurate locating of receivers,high repeatable acquisition and high performance-price-ratio of seismic data are available by OBN method.Based on the review of the development of OBN,monitoring oil field for sustainable production and CO2 geological sequestration by ocean bottom nodes seismic is prospective.