发明名称 |
Method and apparatus for remote control of wellbore end devices |
摘要 |
<p>A wellbore remote control system is disclosed which includes (1) a transmission apparatus for generating at least one acoustic transmission having a particular transmission frequency, (2) a reception apparatus which includes an electronic circuit (preferably digital) which detects and identifies the acoustic transmissions, and which provides an actuation signal to an electrically-actuated wellbore tool if a match is detected.</p> |
申请公布号 |
GB2302607(A) |
申请公布日期 |
1997.01.22 |
申请号 |
GB19960019568 |
申请日期 |
1996.02.07 |
申请人 |
* BAKER HUGHES INCORPORATED |
发明人 |
PAULO * TUBEL;DAVID E * ROTHERS;ALBERT A * MULLINS II;MARK * MCCORY |
分类号 |
E21B23/00;E21B23/04;E21B34/06;E21B41/00;E21B43/1185;E21B47/06;E21B47/18;(IPC1-7):E21B47/18;F16B31/00 |
主分类号 |
E21B23/00 |
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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