RESEARCH ON FREE-SURFACE MULTIPLE ATTENUATION OF OCEAN-BOTTOM CABLE DATA

WANG Zhaoqi; ZHOU Fangming; ZHUANG Xijin; CHEN Jianwei; HUANG Jun

2014 Vol. 30, No. 8

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WANG Zhaoqi, ZHOU Fangming, ZHUANG Xijin, CHEN Jianwei, HUANG Jun. RESEARCH ON FREE-SURFACE MULTIPLE ATTENUATION OF OCEAN-BOTTOM CABLE DATA[J]. Marine Geology Frontiers, 2014, 30(8): 60-65.

Citation:

WANG Zhaoqi, ZHOU Fangming, ZHUANG Xijin, CHEN Jianwei, HUANG Jun. RESEARCH ON FREE-SURFACE MULTIPLE ATTENUATION OF OCEAN-BOTTOM CABLE DATA[J]. Marine Geology Frontiers, 2014, 30(8): 60-65.

RESEARCH ON FREE-SURFACE MULTIPLE ATTENUATION OF OCEAN-BOTTOM CABLE DATA

1 Hangzhou Research Institute of Petroleum Geology, Hanagzhou 310023, China;
2 China University of Petroleum, Beijing 102200, China

Received Date: 08 April 2014

Abstract

Abstract

Ocean bottom cable multiple attenuation is one of the hot topics in geophysics abroad. However, it has been ignored so far in domestic researchers due to lack of related theories and studies. This paper presents an up/down wave field de-convolution method and the corresponding technical process. This method does not need any source information and removing the direct waves and ghost waves previously, but can attenuate the surface-related multiples successfully by means of theoretical modeling and real data.
- ocean bottom cable /
- free-surface multiple /
- up/down deconvolution /
- ghost /
- peg-leg multiples