发明名称 Apparatus for sealing and isolating pipelines
摘要 A pipeline tool for use within a pipeline comprises a tool body with an internal flow bore, a swellable component disposed about the tool body, and a temporary seal disposed internally of the flow bore. The pipeline tool may further comprise a tracking device attached to the tool body, wherein the tracking device comprises a mechanical fixture, or an emitter that emits a signal that can be tracked.
申请公布号 US7452161(B2) 申请公布日期 2008.11.18
申请号 US20060423095 申请日期 2006.06.08
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 FREYER RUNE;ABNEY LAURENCE;ARRINGTON STEVE
分类号 F16L55/16 主分类号 F16L55/16
代理机构 代理人
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