OBN数据三分量重定向分析与质控

doi:10.13810/j.cnki.issn.1000-7210.2023.03.013

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Abstract When ocean bottom node (OBN) seismic data are collected, the orientation parameters describing the attitude of the three-component geophone placed on the seabed are usually recorded. The orientation parameters recorded in the field are used for the field reorientation correction of the three-component data by three-component rotation, which can effectively eliminate the crosstalk of the recorded wave field caused by the attitude of the three-component geophone on different components. However, if the orientation parameters of the three-component geophone fail to be recorded in the field, or their accuracy is low, it is necessary to carry out the three-component geophone orientation analysis and correction of the OBN seismic data. Therefore, this paper proposes a three-component geophone reorientation analysis method that comprehensively uses OBN three components to record the first arrival wave and reflected wave energies on different components, and the paper gives the three-component geophone reorientation processing flow and quality control tools for real OBN data. As it comprehensively uses the first arrival wave and reflected wave information, this method is available to the three-component geophone reorientation processing for both deep-water and shallow-water OBN data and has algorithm excellent stability.

Key words： OBN data reorientaton analysis of three-component geophone reorientation quality control of three-compo-nent data Euler angle

Received: 25 July 2022

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P631

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	Articles by authors
	ZHANG Wenbo
	ZHANG Shaohua
	SUN Pengyuan
	QIAN Zhongping
	LI Jianfeng
	LI Xiaoyu

Cite this article:

ZHANG Wenbo,ZHANG Shaohua,SUN Pengyuan等. Three-component reorientation analysis and quality control for OBN data[J]. OGP, 2023, 58(3): 610-616.

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http://www.ogp-cn.com/EN/10.13810/j.cnki.issn.1000-7210.2023.03.013 OR http://www.ogp-cn.com/EN/Y2023/V58/I3/610

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