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Title:
EXPANDABLE COMPOSITE TUBULARS
Document Type and Number:
WIPO Patent Application WO2004051129
Kind Code:
A3
Abstract:
Composite tubulars that have not been polymerized and are thus flexible enough to be coiled are delivered into a wellbore and expanded. The expansion occurs from an external catalist such as heat or releases the internal catalyst and allows the expanded tubular to become rigid. Optionally, healing agents can be imbedded in the tubular wall to be released to seal subsequently forming cracks.

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Inventors:
RICHARD BENNETT M
ARONSTAM PETER
WATKINS LARRY A
Application Number:
PCT/US2003/038267
Publication Date:
August 19, 2004
Filing Date:
December 03, 2003
Export Citation:
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Assignee:
BAKER HUGHES INC (US)
International Classes:
E21B17/00; E21B43/10; (IPC1-7): E21B43/10; E21B17/00
Domestic Patent References:
WO2002064653A22002-08-22
WO2000061914A12000-10-19
Foreign References:
US3203451A1965-08-31
US5695008A1997-12-09
US5454419A1995-10-03
US6089320A2000-07-18
Other References:
DATABASE WPI Section Ch Week 199315, Derwent World Patents Index; Class H01, AN 1993-124895, XP002282757
LEONARD LE BLANC: "Part II: "SMART METALS" PROVIDING ACTUATION, SEALING, AND CONNECTION FUNCTIONS DOWNHOLE", OFFSHORE, vol. 62, no. 1, January 2002 (2002-01-01), pages 54,56,77, XP002282756, ISSN: 00300608
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