...Artificial oil lift is a method of increasing production by artificially pumping up crude oil from the bottom of the well when the pressure in the oil reservoir drops, making it difficult to push the crude oil up from the bottom of the well to the surface, causing production to decrease or stop. Artificial oil lift is broadly divided into gas lift and pump oil lift. The former is a method in which compressed gas is pumped to the bottom of the well, mixed with the crude oil accumulated at the bottom, and then raised up the well by the expansion energy of the gas during this process. ... *Some of the terminology used in reference to "gas lift oil extraction" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…人工採油法とは,油層の圧力が低下すると,原油を坑底から地表へ押し上げるのが困難になり,生産量が低下したり停止したりするので,この場合,人工的に坑底の原油をくみ上げることにより,生産量を増加させる方法をいう。人工採油法はガスリフト採油とポンプ採油に大別される。前者は,圧縮ガスを坑底に送り込み,坑底にたまった原油と混合した状態で坑井内を上昇させ,この間のガスの膨張エネルギーにより原油をくみ上げる方法である。… ※「ガスリフト採油」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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