鄂尔多斯盆地华池地区延长组7段页岩油储层孔隙结构特征及控制因素
黄伟凯,周新平,刘江艳,贺彤彤,马晓峰,陶辉飞,李树同,郝乐伟

Characteristics and controlling factors of pore structure of shale in the seventh member of Yanchang Formation in Huachi area, Ordos Basin
Weikai HUANG,Xinping ZHOU,Jiangyan LIU,Tongtong HE,Xiaofeng MA,Huifei TAO,Shutong LI,Lewei HAO
表2 鄂尔多斯盆地延长组长7段泥页岩孔隙结构参数
Table 2 Pore structure parameters of shale in the seventh member of Yanchang Formation in Ordos Basin
样品号

BET比

表面积

/(m2/g)

BJH总孔

体积

/(cm3/g)

BJH平均

孔径

/nm

微孔

体积

/(cm3/g)

中孔

体积

/(cm3/g)

大孔

体积

/(cm3/g)

超大孔

体积

/(cm3/g)

微孔比

表面积

/(m2/g)

中孔比

表面积

/(m2/g)

大孔比

表面积

/(m2/g)

超大孔比表面积

/(m2/g)

CY-64.081 80.010 58411.357 90.000 440.003 480.001 000.000 950.5930.5630.030.012
CY-111.514 60.005 62716.860 90.000 250.002 410.000 930.001 210.3170.3000.0280.015
CY-171.904 10.008 92324.875 90.000 470.004 420.001 60.002 400.6890.4610.0450.031
CY-231.574 00.004 86114.427 20.000 190.002 410.000 840.001 250.2220.4920.0240.016
CY-311.568 50.004 17112.307 50.000 160.001 760.000 560.000 890.1840.3760.0160.011
CY-352.261 30.007 32013.680 60.000 200.003 810.001 160.001 460.2310.7500.0330.019
CY-361.986 80.006 29813.894 40.000 180.003 440.000 980.001 500.2060.7100.0280.019
CY-403.443 50.011 10813.279 90.000 220.005 860.001 440.002 010.2641.1750.0410.025
CY-473.591 80.010 11511.3140.000 240.004 490.000 970.001 040.3040.8860.0280.013