WANG Li-wu, LI Jian-zhong, WANG Zhao-yun, LU Zong-sheng. Evolution of Front Facies Belt of Baoqian Delta in Songliao Basin and Its Role on Hydrocarbon Exploration[J]. Acta Sedimentologica Sinica, 2003, 21(3): 404-408.
| Citation:
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WANG Li-wu, LI Jian-zhong, WANG Zhao-yun, LU Zong-sheng. Evolution of Front Facies Belt of Baoqian Delta in Songliao Basin and Its Role on Hydrocarbon Exploration[J]. Acta Sedimentologica Sinica, 2003, 21(3): 404-408.
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Evolution of Front Facies Belt of Baoqian Delta in Songliao Basin and Its Role on Hydrocarbon Exploration
- 1.
Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640;
- 2.
Jilin Oil Field Company, Songyuan Jilin 138001;
- 3.
Scientific Research Institute of Petroleum Exploration and Development, Beij ing 100083;
- 4.
China University of Geosciences, Wuhan 430074
- Received Date: 2003-02-11
- Rev Recd Date:
2003-06-13
- Publish Date:
2003-09-10
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Abstract
Lithologic oil pool is one of the most important oil pool types in Songliao Basi n, and the front facies belt of delta is a favourable phase to form lithologic o il pool. Through the deepgoing study of sedimentary microfacies and sedimentary model of Baoqian delta during the different geological era, it can be dynamicall y shown that the sedimentary evolution process of the front facies belt of Baoqi an delta. The front facies belt sandbody underwent three processes of r egression and transgression and large-scale migration. The major direction of the mass-source gradually moved from southwest to northwest, and the shape of the flower-like delta changed from deep-lake lobe like shape to shallow- lake branch-like shape. This cognition plays an import ant role in the exploration of the lithologic oil pool that is controlled the mi gration law of the front facies belt of Baoqian delta at different sedimentary period in Songliao Basin.
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