基于多换能器的声学短基线海底电缆定位方法

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摘要本文分析了当前海底电缆地震勘探电缆定位技术的应用现状，指出了走航式工作模式和超短基线的声学定位系统存在实时性不强和作业效率低等问题，提出了一种新的基于多换能器阵列的短基线海底电缆定位方法，并详细阐述了多换能器短基线声学定位系统的设计、解算方法、位置改正和非正常观测值处理等技术问题。通过系统的静态定位和实时动态定位实验情况分析认为，该方法可以替代当前海底电缆走航式和超短基线定位方法。

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	方守川
	秦学彬
	任文静
	吴绍玉
	付建超

关键词 ：海底电缆, 多换能器, 短基线, 声学定位, 系统

Abstract：The currently used cable positioning techniques in OBC seismic exploration have some disadvantages just like low efficiency and non real time. Therefore we propose a new positioning method based on the multi-transducer short baseline acoustic method. We discuss in this paper the system design, calculation method, corrections and abnormal observations processing of the multi-transducer short baseline acoustic method in details. It is proven that the proposed method is more efficient than the current cable positioning method while it has similar accuracy as the current method through static positioning and dynamic positioning tests in the field.

Key words： ocean bottom cable multi-transducer short baseline acoustic positioning system

收稿日期: 2013-09-29

P631

作者简介: 方守川高级工程师，1973年生；1996年本科毕业于中国地质大学

引用本文:

方守川, 秦学彬, 任文静, 吴绍玉, 付建超. 基于多换能器的声学短基线海底电缆定位方法[J]. 石油地球物理勘探, 2014, 49(5): 825-828,845. Fang Shouchuan, Qin Xuebin, Ren Wenjing, Wu Shaoyu, Fu Jianchao. Ocean buttom cable positioning based on multi transducer short baseline acoustic method. OGP, 2014, 49(5): 825-828,845.

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http://www.ogp-cn.com/CN/ 或 http://www.ogp-cn.com/CN/Y2014/V49/I5/825

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