OBC/OBN纵横波数据表面多次波最小平方多维反褶积压制方法
本文采用数据驱动的基准面延拓思路，根据海底多分量数据上-下行P/S波分量与一次反射波脉冲响应序列之间的多维褶积关系，在约束优化最小平方反演框架下求解上-下行波多维反褶积 …
What’s the difference on OBC and OBN Seismic Exploration?
OBC and OBN seismic exploration are all laid “geophones” on the seafloor to collect seismic data. A complete OBC and OBN field acquisition operation includes three main processes: cable …
obn 地震勘探在海洋油气田调查、地震识别和油气藏开发过程 中的动态监测( 4d) 等方面的应用进程． 本文重点介绍了 obn 方法原理、工作特点、发展历程和应用实例，分析了 obn 技术 的发 …
Elastic Seismic Imaging Enhancement of Sparse 4C Ocean-Bottom Node Data ...
Abstract: The ocean-bottom node (OBN) seismic acquisition system is designed to gather high-fidelity, wide-azimuth, and long-offset four-component (4C) data, which includes shear waves …
Common reflection point stacking for ocean-bottom node data
2019年4月1日 · We present a CRP stacking method for OBN data, which can efficiently produce accurate stacked imaging and RMS velocity model. Compared with CMP stacking, this method …
Converted-wave reflection traveltime inversion with free-surface ...
Advancements in ocean-bottom-node (OBN) technologies have enabled the recording of high-quality multicomponent seismic data, which can provide crucial information about subsurface …
A review of OBN processing: challenges and solutions - Oxford …
2021年8月9日 · Ocean bottom node acquisition (OBN) can acquire wide azimuth seismic data over geographical areas with challenging deep and shallow bathymetries and complex …
Practical issues and solutions of OBN processing
2020年10月14日 · Ocean bottom node acquisition (OBN) is a wide azimuth seismic survey acquisition geometry used mainly in deep marine exploration and development. To improve …
PP- and PS-wave migration of OBN seismic data from rugged …
2023年10月26日 · In this study, we propose a PSTM method for PP- and PS-wave OBN data from rugged seabeds. First, we correct the downward P-wave traveltime in seawater to solve …
The optimized imaging approaches for OBN data in deepwater
2020年7月15日 · Firstly, the paper would introduce two optimized imaging approaches for OBN data in deep water, then one synthetic data would be tested to verify their effectiveness, …