Accumulation Mechanism of Ultro-low Permeability Sandstone Reservoir, Huaqing oilfield, Ordas Basin

被引：1
|
作者：
Hu, Haiyan [1 ]
机构：
[1] Yangtze Univ, Sch Geosci, Wuhan 430100, Hubei Province, Peoples R China
来源：
EXPLORATION AND PROCESSING OF MINERAL RESOURCES | 2014年 / 868卷
关键词：
tight sandstone reservoir; oil and gas accumulation mechanism; ordas basin; PORE-THROAT SIZES; SHALES;
D O I：
10.4028/www.scientific.net/AMR.868.66
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
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, low pressure and low output. To determine the accumulation mechanism of tight sandstone reservoir, thin section, fluid inclusion, porosity and permeability measurement, numerical calculation were used. The, result showed that sandstone 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.
引用
收藏
页码：66 / 69
页数：4
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