Downhole tools utilizing electroactive polymers for...

Details Downhole tools utilizing electroactive polymers for... Downhole tools utilizing electroactive polymers for...

2008-02-01

2010-12-28

Thompson, Kenneth (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S242600, C166S065100

Reexamination Certificate

active

07857066

ABSTRACT:
In one aspect, an apparatus for use in a wellbore is provided that may include: a tool configured to be conveyed into the wellbore by a conveying member; and an electro-active polymer device (“EAP device”) configured to connect the tool to the conveying member when the EAP device is in a first mode or position and disconnect the tool from the conveying member when the EAP device is in a second mode or position. In another aspect, a method for releasing a tool in a wellbore is provided which includes: releasably connecting an EAP device to a conveying member and the tool; conveying the tool in the wellbore with the conveying member; and electrically activating the EAP device to release the tool from the conveying member in the wellbore.

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