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Packer sealing element with shape memory material

申请公布号:AU2007238030(B2)

申请号:AU20070238030

申请日期:2007.04.13

申请公布日期:2011.06.30

申请人:
BAKER HUGHES INCORPORATED

发明人:RICHARD, BENNETT M.;O'MALLEY, EDWARD J.

分类号:E21B33/12;E21B33/128;E21B36/00

主分类号:E21B33/12

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