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文章是使用电潜泵和对已有资料进一步研究的 5年经验的总结 :描述了原油沥青的复杂性质和特点 ,评价沥青从原油中沉降的条件 ,另外还提出了几种防止和处理沥青堵塞的方法 ,并总结了在加拿大阿尔伯塔几个油田的使用结果。除了运用原有的处理方法外 ,现已研制出防止沥青沉积的井底泵 :使用可变速控制器并配备大型泵 ,加大叶轮叶脉高度 ,增强泵内涂层 ,降低泵吸入口的压降和采用毛细管注入管线。
This article summarizes the 5-year experience of using ESP and further research on existing data. It describes the complex nature and characteristics of crude oil bitumen, assesses the conditions under which asphalt will sediment from crude oil, and also proposes several measures to prevent and manage bitumen blockage And summarizes the results of the use of several fields in Alberta, Canada. In addition to using the original treatment methods, a bottom-hole pump has been developed to prevent the deposition of bitumen: a variable speed controller with a large pump is used to increase the height of the impeller and enhance the coating in the pump to reduce the pressure drop at the suction inlet of the pump And using capillary injection line.