Application of spectral decomposition to detect Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin

Zhang Xiaohua; Zhang Xunhua; Wu Zhiqiang; Sun Yunbao; Guo Xingwei

doi:10.3969/j.issn.0253-4193.2017.07.010

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Zhang Xiaohua, Zhang Xunhua, Wu Zhiqiang, Sun Yunbao, Guo Xingwei. Application of spectral decomposition to detect Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin[J]. Haiyang Xuebao, 2017, 39(7): 102-109. doi: 10.3969/j.issn.0253-4193.2017.07.010

Citation:

Zhang Xiaohua, Zhang Xunhua, Wu Zhiqiang, Sun Yunbao, Guo Xingwei. Application of spectral decomposition to detect Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin[J]. Haiyang Xuebao, 2017, 39(7): 102-109. doi: 10.3969/j.issn.0253-4193.2017.07.010

Citation:

Zhang Xiaohua, Zhang Xunhua, Wu Zhiqiang, Sun Yunbao, Guo Xingwei. Application of spectral decomposition to detect Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin[J]. Haiyang Xuebao, 2017, 39(7): 102-109. doi: 10.3969/j.issn.0253-4193.2017.07.010

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Application of spectral decomposition to detect Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin

doi: 10.3969/j.issn.0253-4193.2017.07.010

1.
College of Marine Geosciences, Ocean University of China, Qingdao 266100, China;Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China;Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, China
2.
Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China;Nanjing Center, China Geological Survey, Nanjing 210016, China
3.
Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China;Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, China

Received Date: 2016-09-22
Rev Recd Date: 2016-12-01

Abstract

Abstract

The drilling of well CSDP-02 of the "Continental Shelf Drilling Program" creates a new situation for the exploration of Mesozoic-Paleozoic reservoir on the central uplift of the South Yellow Sea Basin. In this study, based on the spectrum analysis of Mesozoic-Paleozoic strata, as well as the multi-trace seismic, logging and core data of Well CSDP-02, S-transform is applied to multi-trace seismic data from Mesozoic-Paleozoic strata of the central uplift to get different instantaneous frequency volumes. The results show that, the three possible reservoirs of Qinglong Formation, Dalong-Longtan Formation and Chihsia Formation-Carboniferous all show low frequency anomalies with a Spectrum analysis showing low frequency low intensity or high frequency low intensity anomalies. At high frequency section, the reservoirs standout from surrounding geology and shallow layers are also bright at such high frequency, which will deteriorate the likelihood to identify the anomalies of target layer from iso-frequency sections. Compared with core description of Well CSDP-02, the low frequency anomalies are related with oil immersion layer observed from well sample, which has a great significance for the exploration of Mesozoic-Paleozoic layer of the South Yellow Sea Basin.
- the South Yellow Sea,
- Mesozoic-Paleozoic,
- reservoir prediction,
- spectrum decomposition,
- S-transform

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References(25)

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