发明名称 |
DELAYED OPENING WELLBORE TUBULAR PORT CLOSURE |
摘要 |
A wellbore tubular port closure system includes a mechanism to delay the opening of the port after the port closure has been actuated to open. A method and apparatus incorporate the wellbore tubular port closure system with a port opening delay mechanism configured to act after actuation of the pressure responsive mechanism to delay full movement of the port-closure to the port-open position until after a selected time has lapsed.
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申请公布号 |
US2012111574(A1) |
申请公布日期 |
2012.05.10 |
申请号 |
US201113230620 |
申请日期 |
2011.09.12 |
申请人 |
DESRANLEAU CHRISTOPHER DENIS;THEMIG DANIEL JON;RADTKE CAMERON;ADDY RYAN FREDRICK;PACKERS PLUS ENERGY SERVICES INC. |
发明人 |
DESRANLEAU CHRISTOPHER DENIS;THEMIG DANIEL JON;RADTKE CAMERON;ADDY RYAN FREDRICK |
分类号 |
E21B34/06;E21B34/00 |
主分类号 |
E21B34/06 |
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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