Petroleum Geology and Exploration Prospect of Mesozoic and Cenozoic in Taixinan Basin, Northern South China Sea

Abstract

Abstract: Taixinan basin, one of Mesozoic and Cenozoic petroliferous basins, is located in marginal basins of eastern continental shelf in northern South China Sea, adjacent to Pearl River Mouth basin. It is of good petroleum potential and exploration prospect for its vantage point with rich natural gas resources. This basin consists of such three structural units as north sag, south sag and central uplift zone. Because of less effort for its exploration and research, the petroliferous structures of CFC, CFS and CGF focusing in central uplift zone have been found so far, which belong to Oligocene sandstone reservoir and Cretaceous fractured reservoir. Because the central uplift zone is regionally situated in favorable petroleum migration area in center of the basin, with good petroleum accumulation conditions, the commercial oil and gas found so far are centralized within this zone. Therefore, the central uplift zone should be the best petroliferous abundance zone and prospective region. To take more efforts for exploration, make a thorough research of this zone and make in-depth studies of its hydrocarbon-enriched rule would be the key for quick breakthrough of Taixinan basin.

Key words: coincident basin, uplift zone, hydrocarbon accumulation condition, exploration

CLC Number:

TE111

HE Jia-xiong, XIA Bin, CHEN Gong-yang, SUN Dong-shan. Petroleum Geology and Exploration Prospect of Mesozoic and Cenozoic in Taixinan Basin, Northern South China Sea[J]. Xinjiang Petroleum Geology, 2006, 27(4): 398-402.

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