Division and Its Characteristics of Middle Permian Sequence Stratigraphy in Western Sichuan Basin
Meng Xian-w
Abstract
Meng Xian-w
Abstract
On the basis of sequence stratigraphic division,and comprehensively using the data of outcrops,drilling cores,logging and seismic data,middle Permian sequence stratigraphy was divided and correlated in west Sichuan Basin by using the theory of sequence stratigraphy.It is divided into 6third-order sequences.And sequence framework is established in the western Sichuan Basin,in which the reservoir of Qixia Formation is in high position of Sequence SQ5,the reservoir of Maokou Formation is on the top of Sequence SQ6.
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On the basis of sequence stratigraphic division,and comprehensively using the data of outcrops,drilling cores,logging and seismic data,middle Permian sequence stratigraphy was divided and correlated in west Sichuan Basin by using the theory of sequence stratigraphy.It is divided into 6third-order sequences.And sequence framework is established in the western Sichuan Basin,in which the reservoir of Qixia Formation is in high position of Sequence SQ5,the reservoir of Maokou Formation is on the top of Sequence SQ6.
Key concepts: Geology, Sequence stratigraphy, Paleontology, Sequence (biology), Permian, Outcrop, Structural basin, Stratigraphy