发明名称 Downhole tool assembly with debris relief, and method for using same
摘要 A tool assembly and method for completing a well are provided. The tool includes debris relief features that enable use in solids-laden environments, for example in the presence of sand. Forward and reverse circulation pathways to the isolated interval are present to allow clearing of debris from the wellbore annulus while the sealing device remains set against the wellbore.
申请公布号 US8490702(B2) 申请公布日期 2013.07.23
申请号 US20100708709 申请日期 2010.02.19
申请人 STROMQUIST MARTY;GETZLAF DONALD;NIPPER ROBERT;NCS OILFIELD SERVICES CANADA INC. 发明人 STROMQUIST MARTY;GETZLAF DONALD;NIPPER ROBERT
分类号 E21B29/02;E21B23/02;E21B33/124;E21B43/114 主分类号 E21B29/02
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