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公开(公告)号:US4184953A
公开(公告)日:1980-01-22
申请号:US888531
申请日:1978-03-21
CPC分类号: B01D39/083 , B01D39/1623 , E21B43/20 , B01D2239/1233 , B01D2239/1291
摘要: Sea water for injection into an oil field to maintain the pressure thereof is filtered through a filter element composed of polyester fibres. The diameter of the fibres is from 8 to 15 microns, the thickness of the element at least 7 mms and the density in the range 0.08 to 0.1 gm/cc.
摘要翻译: 用于注入油田以保持其压力的海水通过由聚酯纤维组成的过滤元件过滤。 纤维的直径为8至15微米,元件的厚度至少为7毫米,密度在0.08至0.1克/立方厘米的范围内。