发明名称 SWELLGUARD ER ISOLATION TOOL
摘要 Methods and devices for multi-interval zonal isolation are disclosed. An isolation tool assembly adapted to provide zonal isolation includes a tubular member, a swellable packer disposed around the tubular member, and a plurality of rubber elements disposed around the tubular member. The isolation tool assembly further includes a sliding sleeve disposed within the tubular member, wherein the sliding sleeve is operable to slide in response to an annular pressure differential. The isolation tool assembly further includes a top sub coupled to the tubular member and adjacent one or more expansion devices, and a bottom sub coupled to the tubular member.
申请公布号 CA2958232(A1) 申请公布日期 2016.03.24
申请号 CA20142958232 申请日期 2014.09.19
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 RASHID, EVAN TANVEER
分类号 E21B33/13;E21B33/127 主分类号 E21B33/13
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