一片心灵的净土
岩页油基础
岩页油（页岩油）， Shale Oil， 或Tight Oil根据定义是从页岩地层或油砂 或任何含有原油的岩石层里提炼出来的原油。比如按照 http://www.investopedia.com/terms/s/shaleoil.asp 的定义：
DEFINITION of 'Shale Oil '
A type of unconventional oil found in shale formations. Shale oil can refer to two types of oil. It may refer to crude oil that is found within shale formations, ...
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