海上油井不停泵除砂清砂工艺及射流泵优化设计

Oil Field Equipment(2017)

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Abstract
为解决海上油井采出液含砂对潜油电泵造成的磨损问题,提出了海上油井不停泵除砂清砂工艺.该工艺采用固液旋流除砂器进行油砂分离,使用射流泵将被分离出并沉淀在井底的砂砾清除出井底.依据某油井参数进行了结构初步设计,并通过正交试验及Fluent软件优选出了射流泵的最佳结构参数:面积比0.25、喉嘴距3.45 mm、喉管长36.8 mm、喷嘴锥角14°、喉管入口斜角60°.海上油井不停泵除砂清砂工艺既可延长潜油电泵检泵周期,又不占用平台空间,缓解了海上平台空间紧张的问题.
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