发明名称 Anti-extrusion device for swell rubber packer
摘要 A system for use in a wellbore is disclosed. The system may include a tube, a swell packer surrounding a portion of the tube, a first pair of plates coupled to an outer surface of the tube and positioned at a first end of the swell packer, each of the first pair of plates having a plurality of slots extending inwardly from an outer edge of the plate, the regions between slots defining petals, wherein at least one of the slots of one of the first pair of plates overlaps with at least one of the petals of the second of the first pair of plates, and a second pair of plates coupled to the outer surface of the tube and positioned at a second end of the swell packer, each of the second pair of plates having a plurality of slots extending inwardly from an outer edge of the plate, the regions between slots defining petals wherein at least one of the slots of one of the second pair of plates overlaps with at least one of the petals of the second of the second pair of plates.
申请公布号 US7938176(B2) 申请公布日期 2011.05.10
申请号 US20080192623 申请日期 2008.08.15
申请人 SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 PATEL DINESH R.
分类号 E21B33/127 主分类号 E21B33/127
代理机构 代理人
主权项
地址