Title:
THREADED CONNECTION FOR EXPANDABLE TUBULARS
Document Type and Number:
WIPO Patent Application WO2004023014
Kind Code:
A3
Abstract:
A threaded connection for expandable tubulars. There is a first tubular (10) with external threads (16) and a second tubular (22) with matching internal threads. Each of these tubular has stress concentration grooves (14a, 14b, 24a, 24b). There is a sleeve (26) that goes over the connection between the threaded portions of the tubulars. After connection these tubulars can be expanded downhole in a wellbore.
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Inventors:
COSTA SCOTT (US)
RING LEV (US)
MENCHACA JOSE (US)
RING LEV (US)
MENCHACA JOSE (US)
Application Number:
PCT/US2003/025716
Publication Date:
March 03, 2005
Filing Date:
August 18, 2003
Export Citation:
Assignee:
ENVENTURE GLOBAL TECHNLOGY (US)
COSTA SCOTT (US)
RING LEV (US)
MENCHACA JOSE (US)
COSTA SCOTT (US)
RING LEV (US)
MENCHACA JOSE (US)
International Classes:
E21B23/02; E21B43/10; F16L15/00; E21B17/042; (IPC1-7): E21B19/16
Domestic Patent References:
| WO1999023354A1 | 1999-05-14 |
Foreign References:
| US5924745A | 1999-07-20 | |||
| SU1756531A1 | 1992-08-23 | |||
| US6622797B2 | 2003-09-23 | |||
| US6607220B2 | 2003-08-19 | |||
| US6564875B1 | 2003-05-20 | |||
| US20020108756A1 | 2002-08-15 | |||
| US6322109B1 | 2001-11-27 | |||
| US6085838A | 2000-07-11 |
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