陆相低压页岩油体积开发理论技术及实践

焦方正

Theoretical technologies and practices concerning “volume development” of low pressure continental shale oil： Case study of shale oil in Chang 7 member， Ordos Basin， China

Fang-zheng JIAO

表3 长7段页岩油水平段储层分类标准

Table 3 The reservoir classification standards of Chang 7 member shale oil horizontal section

品质评价参数 I类 II类 III类 储层品质 黏土含量/% <25 <35 <40 孔隙度/% >10 6~10 <6 含油饱和度/% >70 50~70 <50 工程品质 最小水平主应/MPa <30 30~34 >33 脆性指数/% >50 40~50 <40 破裂压力/MPa 35~41 38~44 40~47