鄂尔多斯盆地陕北地区长7段页岩油储层微观特征及控制因素
马文忠,王永宏,张三,冯胜斌,郝炳英,崔晓丽

Microscopic characteristics and controlling factors of Chang 7 Member shale oil reservoir in northern Shaanxi area, Ordos Basin
Wenzhong MA,Yonghong WANG,San ZHANG,Shengbin FENG,Bingying HAO,Xiaoli CUI
表4 陕北地区长7段I类页岩油主要储层孔喉结构参数统计
Table 4 Statistics of pore throat structure parameters of the reservoirs of Type I shale oil in the Chang 7 Member in northern Shaanxi area

沉积

类型

地区层位排驱压力 /MPa中值压力 /MPa中值半径 /μm最大进汞量 /%退汞效率 /%分选系数样品数
水下分流河道吴起—安塞长71亚段2.4413.690.0676.4629.381.6613
长73亚段2.279.100.9079.4926.731.5218
新安边亚段长71亚段1.9011.300.0877.3024.171.6715
长72亚段2.168.330.1078.0428.901.5842
重力流姬塬长71亚段2.639.380.0982.9327.771.2021
庆城长71亚段2.8910.310.0778.5025.701.2234
长72亚段3.3510.200.0778.4025.301.1858