| 发明名称 |
System, assembly and method for port control |
| 摘要 |
<p>A port control system including a group of port control assemblies at least one of which delaying passage of a plug and at least one of which preventing passage of a plug, each assembly of the group configured to shift a sleeve to open one or more ports responsive to contact with a same sized plug upon fluid pressure differential across the plug; and at least one second group of port control assemblies at least one of which delaying passage of a plug and at least one of which preventing passage of a plug, each assembly of the group configured to shift a sleeve to open one or more ports responsive to contact with a same sized plug upon fluid pressure differential across the plug. A method is included.</p> |
| 申请公布号 |
AU2011232484(B2) |
申请公布日期 |
2015.11.05 |
| 申请号 |
AU20110232484 |
申请日期 |
2011.03.23 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
KELLNER, JUSTIN;MADERO, PAUL;SOLFRONK, MATTHEW D.;HARRIS, JOHN TRAVIS |
| 分类号 |
E21B21/10;E21B33/12;E21B34/14 |
主分类号 |
E21B21/10 |
| 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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