柴达木盆地英雄岭构造带小断层和碳酸盐岩缝洞体识别地震勘探关键技术

doi:10.13810/j.cnki.issn.1000-7210.2024.02.011

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Abstract A set of key techniques of seismic exploration is proposed for the identification of deep carbonate fracture-cavity bodies and small faults in the Yingxiongling structural belt of the Qaidam Basin. First of all， from the aspect of data acquisition， the imaging accuracy of small faults can be improved by expanding the observation orientation， using a small combination of excitation and reception， and adopting an even arrangement of source and receiver points. From the aspect of seismic data processing， OVT domain multi-dimensional fidelity noise suppression technology and thick surface Q compensation processing technology can be used to improve the signal-to-noise ratio and fidelity and effectively increase the bandwidth and resolution of seismic data. From the aspect of seismic data interpretation， the sub-azimuth data volume and artificial intelligent fault identification technology can be used to identify small faults effectively，and the anisotropic strength attribute can be used to identify the fracture-cavity body effectively.The techniques can be used for reference in other similar areas.

Key words： Yingxiongling carbonate rock fracture-cavity body small fault key techniques of seismic exploration

Received: 22 June 2023

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P631

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	Articles by authors
	CHEN Jingguo
	DENG Zhiwen
	WANG Fei
	LI Jingye
	WANG Kai
	WU Di

Cite this article:

CHEN Jingguo,DENG Zhiwen,WANG Fei等. Key seismic exploration techniques for identifying small faults and carbonate fracture-cavity bodies in Yingxiongling structural belt， Qaidam Basin[J]. OGP, 2024, 59(2): 290-298.

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http://www.ogp-cn.com/EN/10.13810/j.cnki.issn.1000-7210.2024.02.011 OR http://www.ogp-cn.com/EN/Y2024/V59/I2/290

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