陆相断陷湖盆层序构成样式及砂体预测模式——以南堡凹陷东营组为例

doi:10.11743/ogg20150112

Abstract

Abstract:

Through analysis of sequence stratigraphic patterns in different structural belts, this paper illustrates the control of sequence stratigraphic pattern on sandbody distribution, and provides theoretical evidences for the sandbody prediction in fault-depressed lacustrine basin.Four sequence stratigraphic patterns in two different structural settings are identified based on the analysis of the sequence stratigraphic pattern and its control on reservoir sandbody in different structural settings of Dongying sedimentary period.They include the multiple faulted-slope-zone pattern, single faulted-slope zone pattern and transform zone pattern in the northern fault-break zone setting and the gentle slope-break pattern in the slope structure setting in southern beach area.On this basis, a sandbody prediction model was established to guide reservoir prediction which is of great significance for determining the distribution of favorable reservoir.

Key words: slope-break belt, sequence stratigraphic pattern, sand body prediction model, stratigraphic-lithologic reservoir, Nanpu Sag

CLC Number:

TE122.2

Dong Yuexia, Zhao Zhongxin, Wang Jianwei, Du Jingxia, Meng Lingjian, Diao Fan. Sequence stratigraphic patterns and sand body prediction models of fault-depressed lacustrine basins:a case study from the Dongying Formation in the Nanpu Sag, Bohai Bay Basin[J]. Oil & Gas Geology, 2015, 36(1): 96-102.

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Sequence stratigraphic patterns and sand body prediction models of fault-depressed lacustrine basins:a case study from the Dongying Formation in the Nanpu Sag, Bohai Bay Basin

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