This apparatus is mainly used in oil extracting operation of margin well, stripper well and abandon well of oil field.

该设备主要用于对油田边缘井、低产井及废井的采油作业。

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While 10 barrels a day produced by an individual well may not seem like much, when multiplied by the more than 400, 000 wells in the United States, they contributed up to 18 percent of America's domestic production in 2006, according to an industry group called the Stripper Well Consortium.

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Shears became a stripper and go-go dancer, saying he liked the attention as well as the money, and his group was originally called Dead Lesbian and the Fibrillating Scissor Sisters.

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