Downhole pump filter
作者： Stanley J. Miller
DOI:
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摘要: A downhole pump filter filters sand and other solid particles from well fluids prior to passage of the through intake nut a pump. cylindrical coupling has an externally threaded upper end which coaxially screws into nut. The also lower end. tubular member secured within plurality perforations dispersed at least along its portion. sock may encase perforated portion block smaller or entry perforations. casing with closed internally onto exxternally disposed casing. poriton. perforations, sock, if any, sequentially communicate form flow path for fluid
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