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US Patent 8646537 Remotely activated downhole apparatus and methods

Patent 8646537 was granted and assigned to Halliburton on February, 2014 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
Halliburton
Halliburton
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8646537
Date of Patent
February 11, 2014
Patent Application Number
13179833
Date Filed
July 11, 2011
Patent Citations Received
‌
US Patent 11873698 Pump-out plug for multi-stage cementer
3
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US Patent 11965397 Operating sleeve
4
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US Patent 11885197 External sleeve cementer
5
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US Patent 11655689 Wireless activation of wellbore completion assemblies
6
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US Patent 11873696 Stage cementing tool
7
Patent Primary Examiner
‌
William P. Neuder
Patent abstract

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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