发明名称 HIGH CIRCULATION RATE PACKER AND SETTING METHOD FOR SAME
摘要 A high circulation rate packer (50) for establishing a sealing and gripping engagement with a well casing (34) disposed in a wellbore (32). The packer (50) includes a packer mandrel (54), a seal assembly (72) slidably disposed about the packer mandrel (54) that has a running position and a radially expanded sealing position and a cover (74) that is slidably disposed relative to the packer mandrel (54). The cover (74) has a running position wherein the cover is disposed about the seal assembly (72) and a retracted position wherein the cover (74) is at least partially removed from about the seal assembly (72).
申请公布号 WO2009139806(A2) 申请公布日期 2009.11.19
申请号 WO2009US02006 申请日期 2009.03.30
申请人 HALLIBURTON ENERGY SERVICES, INC.;KILGORE, MARION, D. 发明人 KILGORE, MARION, D.
分类号 E21B33/12;E21B33/1295 主分类号 E21B33/12
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