Recoverable reserves - Recoverable reserves

Japanese: 可採埋蔵量 - かさいまいぞうりょう（英語表記）recoverable reserves

The amount that can be economically and technically extracted by developing an oil or gas field. It is said to be about 20-30% of the original reserves. Among the recoverable reserves, those that have been confirmed as commercially recoverable are called proven reserves, and the amount that can be extracted purely technically, ignoring economic conditions, is called ultimate recoverable reserves.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

油田またはガス田を開発することによって経済的，技術的に採収可能な量。原始埋蔵量の 20～30%程度といわれている。なお，可採埋蔵量の中でも商業的に可採であることが確認されているものを確認埋蔵量といい，経済的条件を無視して純技術的に採取可能な量を究極的可採埋蔵量と呼ぶ。

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