天然气水合物准三维地震调查面元参数优化研究

doi:10.11978/j.issn.1009-5470.2011.01.070

Journal of Tropical Oceanography ›› 2011, Vol. 30 ›› Issue (1): 70-77.doi: 10.11978/j.issn.1009-5470.2011.01.070cstr: 32234.14.j.issn.1009-5470.2011.01.070

• Marine geophysics • Previous Articles Next Articles

Optimized bin parameter on gas-hydrate quasi-three-dimensional seismic survey

ZHAO Qing-xian

Guangzhou Marine Geological Survey, Guangzhou 510760, China

Received:2010-05-27 Revised:2010-06-17 Online:2011-03-17 Published:2011-03-16
About author:作者简介: 赵庆献(1971—), 男, 山东省郓城县人, 高级工程师, 硕士, 主要从事海洋石油和天然气水合物的地球物理勘探研究。E-mail: zhqx@hydz.cn
Supported by:
国家高技术研究发展(“863”)计划 (2006AA09A202-01)

Abstract

Abstract:

In a sea area of China, the “single source-single streamer quasi-three dimensional seismic survey” method was ap-plied in the gas-hydrate investigation, and a satisfying three-dimensional (3D) image was obtained. The bin parameter is one of the important parameters that can influence the 3D imaging. According to the result of data, if a streamer length of 2400m (192 channels) is fixed, the best optimization bin size (transverse) should be 50m and processing bin should be half of the origi-nal acquisition size, i.e., 12.5m?25m, which can take into account of the authenticity and continuity of strata. A good quality of the quasi-3D seismic image can then be obtained.

Key words: gas-hydrate, quasi-three-dimensional seismology, bin, transverse resolution, positioning precision

ZHAO Qing-xian. Optimized bin parameter on gas-hydrate quasi-three-dimensional seismic survey[J].Journal of Tropical Oceanography, 2011, 30(1): 70-77.

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Optimized bin parameter on gas-hydrate quasi-three-dimensional seismic survey

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