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    Variable radius backup ring for a downhole system
    1.
    发明授权
    Variable radius backup ring for a downhole system 有权

    公开(公告)号：US10760369B2

    公开(公告)日：2020-09-01

    申请号：US15622310

    申请日：2017-06-14

    申请人： Conrad Kao ,  Eugene Stolboushkin

    发明人： Conrad Kao ,  Eugene Stolboushkin

    IPC分类号： E21B33/12 ,  E21B33/128 ,  B33Y80/00

    摘要： A downhole system includes a packer assembly including a backup ring. The backup ring includes a plurality of nested leaves nested sequentially in a circumferential direction with adjacent circumferentially positioned leaves to collectively form a substantially circular shape. Each leaf includes a receiving section and an insertion section, the receiving section receiving an insertion section of an adjacent leaf. Upon radial expansion of the backup ring, the plurality of nested leaves fan out in the circumferential direction.

    VARIABLE RADIUS BACKUP RING, DOWNHOLE SYSTEM, AND METHOD
    2.
    发明申请
    VARIABLE RADIUS BACKUP RING, DOWNHOLE SYSTEM, AND METHOD 审中-公开

    公开(公告)号：US20180363406A1

    公开(公告)日：2018-12-20

    申请号：US15622310

    申请日：2017-06-14

    申请人： Conrad Kao ,  Eugene Stolboushkin

    发明人： Conrad Kao ,  Eugene Stolboushkin

    IPC分类号： E21B33/12 ,  E21B33/128 ,  B33Y80/00

    摘要： A downhole system includes a packer assembly including a backup ring. The backup ring includes a plurality of nested leaves nested sequentially in a circumferential direction with adjacent circumferentially positioned leaves to collectively form a substantially circular shape. Each leaf includes a receiving section and an insertion section, the receiving section receiving an insertion section of an adjacent leaf. Upon radial expansion of the backup ring, the plurality of nested leaves fan out in the circumferential direction.