发明名称 Open-hole packer
摘要 A downhole tool, packer, and method for manufacturing a downhole tool. The downhole tool includes a first sealing element, and a second sealing element spaced axially apart from the first sealing element. The downhole tool also includes a back-up member disposed at least partially around the first sealing element and the second sealing element, and positioned axially therebetween. The back-up member includes one or more anti-swab features that are configured to prevent migration of fluid at least between the first sealing element and the back-up member.
申请公布号 US9506315(B2) 申请公布日期 2016.11.29
申请号 US201514640166 申请日期 2015.03.06
申请人 TEAM OIL TOOLS, LP 发明人 Connelly Wayland Dale
分类号 E21B33/12 主分类号 E21B33/12
代理机构 MH2 Technology Law Group, LLP 代理人 MH2 Technology Law Group, LLP
主权项 1. A downhole tool, comprising: a first sealing element; a second sealing element spaced axially apart from the first sealing element; and a back-up member disposed at least partially around the first sealing element and the second sealing element, and positioned axially therebetween, wherein the back-up member comprises one or more anti-swab features that are configured to prevent migration of fluid at least between the first sealing element and the back-up member, wherein the one or more anti-swab features comprise at least one protrusion extending inwards and received into at least one groove defined in the first sealing element.
地址 The Woodlands TX US