发明名称 PREMIUM MESH SCREEN
摘要 Systems and methods for preventing particles from flowing into a base pipe are provided. A base pipe can have a plurality of perforations formed radially therethrough. A filtering strip can be wrapped helically around an outer surface of the base pipe to cover at least a portion of the perforations. The filtering strip can include a drainage layer, a filter layer, and a shroud layer. The drainage layer can include a plurality of ribs in contact with the outer surface of the base pipe. The filter layer can be coupled to the drainage layer and include at least one mesh screen. The shroud layer can be coupled to the filter layer and include a perforated metal sheet.
申请公布号 WO2012135587(A3) 申请公布日期 2012.12.06
申请号 WO2012US31388 申请日期 2012.03.30
申请人 SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;KRUSH, ROBERT;MOEN, TERJE;YUAN, MARK;MARSH, ARNOLD G. 发明人 KRUSH, ROBERT;MOEN, TERJE;YUAN, MARK;MARSH, ARNOLD G.
分类号 E21B43/08;B29L31/14;E21B43/10 主分类号 E21B43/08
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