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US08646537B2 Remotely activated downhole apparatus and methods 有权
远程激活井下设备和方法

Remotely activated downhole apparatus and methods
摘要:
An apparatus includes an impervious body, a sealing element; an energy source, and a trigger. The impervious body is configured to prevent passage of fluid therethrough. The sealing element is disposed about the impervious body. The energy source is operationally connected to the sealing element. The trigger is configured to transfer energy from the energy source to the sealing element. The trigger is activated, at least in part, by receiving a signal from a pump tool passing through an interior of the impervious body.
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