Three dimensional structural model for the Vung Dong oil prospect, offshore Vietnam from seismic interpretation

Huyen T.T. Bui, Y. Yamada, T. Matsuoka

研究成果: Contribution to journalReview article査読

抄録

Located in the eastern margin of South East Asia, Vietnam territory was strongly influenced by the India-Eurasian collision during the Cenozoic with two major regional tectonic events that are the displacements on the Red River Fault and the opening of the South China Sea. The Cuulong Basin experienced the tectonic activities caused by the South China Sea spreading. Block 15-2 in the Cuulong basin south of Vietnam is a well-known area with some oil fields comprising high-yield zones located in a fractured granite basement. The Vung Dong prospect in this block includes a basement high with extensive faulting. This present work is on the seismic interpretation of the 3-D seismics in an area of 6 × 12.5 km2. From interpretation of three-dimensional seismic data for this prospect, two major fault systems are identified; an older fault system of Eocene-Oligocene in age affecting basement, and a younger fault system active during the Miocene time, that is correlated with the opening of the South China Sea. Activation of the younger faults in this area resulted in basement uplift and truncation of Oligocene sediments at the basement high, where younger Miocene sediments directly overlie the basement. A 3D structure model is constructed for this prospect based on this seismic interpretation, providing an overview of the structure and tectonics to aid the assessment of oil and gas accumulation potential of the region.

本文言語英語
ページ(範囲)841-850
ページ数10
ジャーナルJournal of the Geological Society of India
69
4
出版ステータス出版済み - 4 2007
外部発表はい

All Science Journal Classification (ASJC) codes

  • 地質学

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