浅薄层特超稠油吞吐转蒸汽驱油现场试验与推广
West-China Exploration Engineering(2007)
Abstract
蒸汽驱油技术是稠油油藏经过蒸汽吞吐开采以后,进一步提高原油采收率的主要热采阶段,依靠蒸汽吞吐开采,只能采出各个油井井点附近油层中的原油,采收率一般为18%~26%,井间留有大量的剩余油富集区,采用蒸汽驱开采可以扩大波及体积,从而提高驱油效率,达到提高最终采收率目的。
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