THE KEY SEISMIC TECHNOLOGY AND RESULTS: BASED ON THE PRACTICE OF REGIONAL MARINE GEOLOGICAL SURVEY IN SOUTH YELLOW SEA

WU Zhiqiang; XIAO Guolin; LIN Niantian; ZENG Tianjiu; ZHANG Yibiao; TONG Siyou

doi:10.3724/SP.J.1140.2014.06119

2014 Vol. 34, No. 6

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WU Zhiqiang, XIAO Guolin, LIN Niantian, ZENG Tianjiu, ZHANG Yibiao, TONG Siyou. THE KEY SEISMIC TECHNOLOGY AND RESULTS: BASED ON THE PRACTICE OF REGIONAL MARINE GEOLOGICAL SURVEY IN SOUTH YELLOW SEA[J]. Marine Geology & Quaternary Geology, 2014, 34(6): 119-126. doi: 10.3724/SP.J.1140.2014.06119

Citation:

WU Zhiqiang, XIAO Guolin, LIN Niantian, ZENG Tianjiu, ZHANG Yibiao, TONG Siyou. THE KEY SEISMIC TECHNOLOGY AND RESULTS: BASED ON THE PRACTICE OF REGIONAL MARINE GEOLOGICAL SURVEY IN SOUTH YELLOW SEA[J]. Marine Geology & Quaternary Geology, 2014, 34(6): 119-126. doi: 10.3724/SP.J.1140.2014.06119

THE KEY SEISMIC TECHNOLOGY AND RESULTS: BASED ON THE PRACTICE OF REGIONAL MARINE GEOLOGICAL SURVEY IN SOUTH YELLOW SEA

1. Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071, China;
2. Qingdao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China;
3. Shangdong University of Science and Technology, Qingdao 266590, China;
4. Dagang Branch of East Geophysical Exploration Company, China National Petroleum Corp, Tianjin 300280, China;
5. Shanghai Offshore Petroleum Geophysical Corporation, Shanghai 201208, China;
6. Ocean University of China, Qingdao 266100, China

Received Date: 11 September 2014

Revised Date: 02 November 2014

Abstract

Abstract

To meet the needs of the regional marine geological survey in the Southern Yellow Sea,methodological research and testing have been carried out for seismic data acquisition, processing and other technology. Upon the basis, we found a series of the seismic data acquisition technology which are effective, such as the large-scale multi-level airgun array, the long cable in deep water and the seismic imaging processing technique based on the long spread and low S/N ratio data. With the efforts,the quality of seismic data imaging is improved and the effective reflection of deep buried formation obtained. The newly gained knowhow is of great significance to the study of regional geology and oil and gas exploration in the South Yellow Sea. We found from the new data that the pre-Cenozoic residual basin is larger than previously thought,the Mesozoic-Paleozoic marine deposits are well developed in the region and the Qianliyan uplift is the contact between the Yangtze block and the North China block.
- the South Yellow Sea /
- regional geology /
- seismic survey /
- key technology

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References

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