Main Controlled Elements for Accumulation of Ultro-Low Permeability Sandstone Oil Reservoir, Zhenjing Oilfield, Ordas Basin

Yi Wei Hao; Hai Yan Hu

doi:10.4028/www.scientific.net/AMR.868.70

Paper Titles

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Subsidence History of Northern Qinshui Basin
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Accumulation Mechanism of Ultro-Low Permeability Sandstone Reservoir, Huaqing Oilfield, Ordas Basin
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 868Main Controlled Elements for Accumulation of...

Main Controlled Elements for Accumulation of Ultro-Low Permeability Sandstone Oil Reservoir, Zhenjing Oilfield, Ordas Basin

Abstract:

Ordos Basin is the second largest sedimentary basin in China with very rich oil and gas resources. The exploration targets are typical reservoirs of low permeability. To determine the accumulation mechanism of tight sandstone reservoir, thin section, SEM, numerical calculation were used. The result showed that sandstone should be ultro-low permeability reservoirs with the high content feldspar and lithic arkose or feldspathic litharenite. The reservoir became tight while oil filling, buoyant force is too small to overcome the resistance of capillary force. Therefore, overpressure induced by source rock generation is the accumulation drive force.

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Periodical:

Advanced Materials Research (Volume 868)

Pages:

70-73

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.868.70

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Online since:

December 2013

Authors:

Yi Wei Hao, Hai Yan Hu*

Keywords:

Low-Permeability Sandstone Reservoir, Oil and Gas Accumulation Mechanism, Ordas Basin, Reservoir Tight Origin, Zhenjing Oilfield

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