The base-level cycles in the 8th oil reservoirs of the Yanchang Formation in the Zhenjing region, Ordos Basin:Its bearings to the heterogeneity of the reservoir sandstones

WANG Feng, TIAN Jing-chun, TAN Xian-feng, CHEN Rong

2007 Vol. 27, No. 2

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WANG Feng, TIAN Jing-chun, TAN Xian-feng, CHEN Rong. The base-level cycles in the 8th oil reservoirs of the Yanchang Formation in the Zhenjing region, Ordos Basin:Its bearings to the heterogeneity of the reservoir sandstones[J]. Sedimentary Geology and Tethyan Geology, 2007, 27(2): 82-87.

Citation:

WANG Feng, TIAN Jing-chun, TAN Xian-feng, CHEN Rong. The base-level cycles in the 8th oil reservoirs of the Yanchang Formation in the Zhenjing region, Ordos Basin:Its bearings to the heterogeneity of the reservoir sandstones[J]. Sedimentary Geology and Tethyan Geology, 2007, 27(2): 82-87.

The base-level cycles in the 8th oil reservoirs of the Yanchang Formation in the Zhenjing region, Ordos Basin:Its bearings to the heterogeneity of the reservoir sandstones

WANG Feng, TIAN Jing-chun, TAN Xian-feng, CHEN Rong

Research Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, Sichuan, China

Received Date: 30 June 2006

Publish Date: 30 June 2007

Abstract

Abstract

The present paper deals, in the light of high-resolution sequence stratigraphy, with the stacking patterns of the short-term base-level cycles and the heterogeneity of the reservoir sandstones from the 8th oil reservoirs in the Zhenjing region, Ordos Basin. Six heterogeneity models are then constructed. The short-term base-level cycles have the dominant impact on the intraformational heterogeneity while the medium-and long-term cycles on the interformational heterogeneity of the reservoir sandstones.
- Zhenjing /
- Upper Triassic /
- Yanchang Formation /
- high-resolution sequence stratigraphy /
- reservoir heterogeneity /
- Ordos Basin