US Patent 7185709 Expandable tubing and method

Patent 7185709 was granted and assigned to Schlumberger on March, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Schlumberger

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7185709

Date of Patent

March 6, 2007

Patent Application Number

10806509

Date Filed

March 23, 2004

Patent Citations Received

‌

US Patent 12018672 Precision volumetric pump with a bellows hermetic seal

Patent Primary Examiner

‌

William Neuder

Patent abstract

An apparatus suitable for use in a wellbore comprises an expandable bistable device. An exemplary device has a plurality of bistable cells formed into a tubular shape. Each bistable cell comprises at least two elongated members that are connected to each other at their ends. The device is stable in a first configuration and a second configuration.

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