DEEPWATER SEDIMENT TRANSPORTATION MODELS FOR NORTHERN SOUTH CHINA SEA SLOPES

YUAN Shengqiang; WU Shiguo; ZHAO Zongju; XU Fangjian

doi:10.3724/SP.J.1140.2010.04039

2010 Vol. 30, No. 4

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Article navigation > Marine Geology & Quaternary Geology > 2010 > 30(4): 39-48

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YUAN Shengqiang, WU Shiguo, ZHAO Zongju, XU Fangjian. DEEPWATER SEDIMENT TRANSPORTATION MODELS FOR NORTHERN SOUTH CHINA SEA SLOPES[J]. Marine Geology & Quaternary Geology, 2010, 30(4): 39-48. doi: 10.3724/SP.J.1140.2010.04039

Citation:

YUAN Shengqiang, WU Shiguo, ZHAO Zongju, XU Fangjian. DEEPWATER SEDIMENT TRANSPORTATION MODELS FOR NORTHERN SOUTH CHINA SEA SLOPES[J]. Marine Geology & Quaternary Geology, 2010, 30(4): 39-48. doi: 10.3724/SP.J.1140.2010.04039

DEEPWATER SEDIMENT TRANSPORTATION MODELS FOR NORTHERN SOUTH CHINA SEA SLOPES

1 State Key Laboratory of Enhanced Oil Recovery, Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
2 Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071;
3 Faculty of Geo-Resources and Information, China University of Petroleum, Qingdao 266555, China

Received Date: 10 July 2010

Revised Date: 20 July 2010

Abstract

Abstract

There are 7 types of transportation in the northern South China Sea, including debris flow, turbidity flow, sandy debris flow, carbonate gravity flow, mass transport, river-influx,and deepwater channels, All of them play imporfant role in the formation of sediment types and distribution of reervoirs. Sandy debris flow deposits, mass transport complex and deepwater channel sands are the main types of reservoirs, and the turbidite sand are less common in the study area. The deepwater reservoir in the Pearl River Mouth Basin was influenced by river supply reworked by bottom current, and carbonate gravity flow existed, which proved the strong hydraulic condition in this basin; the deepwater reservoir distribution in Qiongdongnan Basin was controlled by debris flow and influenced by deepwater channels,there may exist good sorted clean sand body in the deepwater area of Qiongdongnan Basin compared to the shallow water area, which could have good exploration prospective.
- deepwater area /
- sediment transport /
- model /
- sediment gravity flow /
- northern South China Sea

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References

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