This method can be applied to heavy oil production in the early period of steam drive, but the time when to stop pumping down lighter oil must be determined.
分析认为，蒸气驱采油井生产初期也可采用泵下掺稳油的生产方式来维持正常生产，但应确定停止掺稀油的时机，并论述了其原则和方法。
This method can be applied to heavy oil production in the early period of steam drive, but the time when to stop pumping down lighter oil must be determined.
分析认为，蒸气驱采油井生产初期也可采用泵下掺稳油的生产方式来维持正常生产，但应确定停止掺稀油的时机，并论述了其原则和方法。
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