发明名称 |
SYSTEM, ASSEMBLY AND METHOD FOR PORT CONTROL |
摘要 |
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.
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申请公布号 |
CA2794111(A1) |
申请公布日期 |
2011.09.29 |
申请号 |
CA20112794111 |
申请日期 |
2011.03.23 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
KELLNER, JUSTIN;SOLFRONK, MATTHEW D.;HARRIS, JOHN TRAVIS;MADERO, PAUL |
分类号 |
E21B34/14;E21B21/10;E21B33/12 |
主分类号 |
E21B34/14 |
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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