Last Updated：2025/12/03

Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.

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tight oil

Source Word

tight oil

Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.

Japanese Meaning

低い透過性を有する砂岩やシェールなどの石油含有層に存在する軽質原油。

The company invested heavily to develop tight oil reserves in the basin using horizontal drilling and hydraulic fracturing.

その会社は、盆地にある頁岩や緻密砂岩のような低透水性地層に含まれる軽質原油の埋蔵量を、水平掘削と水圧破砕を用いて開発するために多額の投資を行った。

Sense（1）

Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.