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Title:
ACTUATOR FOR DOWNHOLE TOOLS
Document Type and Number:
WIPO Patent Application WO/2010/065409
Kind Code:
A3
Abstract:
An apparatus, method, and system for actuating a wellbore tool includes a body having a chamber in which a movable member is disposed. The movable member may connect to a selected wellbore tool. Within the chamber is a controllable fluid that substantially prevents relative movement between the body and the movable member when exposed to an applied magnetic field. A generator applies the magnetic field to the fluid and may change the applied magnetic field in response to a first control signal to release the movable member from the body. A driver displaces the movable member relative to the body once the movable member is released from the body.

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Inventors:
JOSEPH PAUL (US)
Application Number:
PCT/US2009/065866
Publication Date:
August 12, 2010
Filing Date:
November 25, 2009
Export Citation:
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Assignee:
BAKER HUGHES INC (US)
JOSEPH PAUL (US)
International Classes:
E21B23/08; E21B23/00
Foreign References:
US20030192687A12003-10-16
US20070125578A12007-06-07
US20020011358A12002-01-31
US4875292A1989-10-24
US4579173A1986-04-01
Attorney, Agent or Firm:
DUPHORNE, Darin, H. (P.O. Box 4740Houston, TX, US)
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