发明名称 |
Downhole magnetic retrieval devices with fixed magnetic arrays |
摘要 |
A magnetic retrieval tool used for collecting metallic debris and material from within a wellbore or other surrounding downhole tubular. The tool includes a tool mandrel with one or more pockets formed in its outer radial surface. A removable insert resides within each pocket. Each of the inserts retains a plurality of individual magnets in a fixed array or matrix surrounding the mandrel. |
申请公布号 |
US8336626(B2) |
申请公布日期 |
2012.12.25 |
申请号 |
US20100782304 |
申请日期 |
2010.05.18 |
申请人 |
HERN GREGORY L.;PALMER LARRY T.;CONNELL PAUL L.;NELSON JONATHAN F.;BAKER HUGHES INCORPORATED |
发明人 |
HERN GREGORY L.;PALMER LARRY T.;CONNELL PAUL L.;NELSON JONATHAN F. |
分类号 |
E21B31/06;E21B37/00 |
主分类号 |
E21B31/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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