Sedimentary formation and exploration significance of the Lingshui Canyon system in the Qiongdongnan Basin, northern South China Sea

Zhang Daojun; Wang Yahui; Zhao Pengxiao; Su Yufeng; Zuo Qianmei

doi:10.3969/j.issn.0253-4193.2015.02.003

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Zhang Daojun, Wang Yahui, Zhao Pengxiao, Su Yufeng, Zuo Qianmei. Sedimentary formation and exploration significance of the Lingshui Canyon system in the Qiongdongnan Basin, northern South China Sea[J]. Haiyang Xuebao, 2015, 37(2): 25-35. doi: 10.3969/j.issn.0253-4193.2015.02.003

Citation:

Zhang Daojun, Wang Yahui, Zhao Pengxiao, Su Yufeng, Zuo Qianmei. Sedimentary formation and exploration significance of the Lingshui Canyon system in the Qiongdongnan Basin, northern South China Sea[J]. Haiyang Xuebao, 2015, 37(2): 25-35. doi: 10.3969/j.issn.0253-4193.2015.02.003

Citation:

Zhang Daojun, Wang Yahui, Zhao Pengxiao, Su Yufeng, Zuo Qianmei. Sedimentary formation and exploration significance of the Lingshui Canyon system in the Qiongdongnan Basin, northern South China Sea[J]. Haiyang Xuebao, 2015, 37(2): 25-35. doi: 10.3969/j.issn.0253-4193.2015.02.003

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Sedimentary formation and exploration significance of the Lingshui Canyon system in the Qiongdongnan Basin, northern South China Sea

doi: 10.3969/j.issn.0253-4193.2015.02.003

1.
Zhanjiang Branch of CNOOC Ltd., Zhanjiang 524057, China
2.
CNOOC Energy Technology & Services-oil field Engineering Research Institute Zhanjiang Central Laboratory, Zhanjiang 524057, China

Received Date: 2014-07-15
Rev Recd Date: 2014-10-20

Abstract

Abstract

The central canyon system(CCS) in Qiongdongnan Basin(QDNB), a large axial submarine canyon, can be characteriszed by "segmentation". Its different segmentation has different changes of sedimentary evolution and internal architectures of the CCS. The Lingshui segmentation of the CCS, located in the western of the canyon, is the key of the exploration of deep canyon area, with very good reservoir physical property. In order to further understand the sedimentary evolution and internal architectures of the channel-levee complexes of the Lingshui CCS (LSCCS)based on new 3D seismic data and drilling-hole, the present study described and discussed internal architectures, paleontology chronostratigraphy and sequence stratigraphy of the drilling hole. We could divide five sub-sequence cycle for the Huangliu formation of the LSCCS, analyze the shaped and attributed characteristics in the seismic profile, and study the microfacies and their plane distribution in each sub-sequence cycle. By the study of sedimentary microfacies spatial evolution characteristics, it will be helpful for guiding the further oil and gas exploration.
- northern South China Sea,
- Qiongdongnan Basin,
- Lingshui canyon system,
- sedimentary formation,
- exploration significance

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References(21)

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