Wuha Institute of Geology and Mineral Resources

Wuhan, China

Wuha Institute of Geology and Mineral Resources

Wuhan, China
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Li X.-B.,Wuha Institute of Geology and Mineral Resources | Zhao C.,Wuha Institute of Geology and Mineral Resources | Liu A.,Wuha Institute of Geology and Mineral Resources | Wei K.,Wuha Institute of Geology and Mineral Resources | Li J.,Wuha Institute of Geology and Mineral Resources
Geology in China | Year: 2013

This paper divided and depicted in detail two second-order sequences and seven third-order sequences which are regionally well correlatable according to the Ediacaran system, by employing the research method of sequence stratigraphy "from lithofacies to meter-scale cycle,from depositional facies to sequence classification". With the reservoir as the center, the authors mainly studied the temporal and spatial distribution of source rocks and reservoirs based on sequence framework, and comprehensively considered the matching relationship of source rocks and cover rock affecting reservoir formation. The source-reservoir-cap rock combinations in carbonate rock of the Ediacaran system were divided into 3 types, i.e., boundary type, transgression type and high water type. The findings indicate that the source-reservoircap rock combinations associated with sequence boundary in the study area have the most superior initial geological condition, the high water type is usually combined with the karst or boundary type, thus serving as another source -reservoir -cap rock combination with obvious effectiveness.

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