Title:
ANTI-EXTRUSION SEAL FOR HIGH TEMPERATURE APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2010/093782
Kind Code:
A3
Abstract:
A sealing system between a tubular and a chassis. In some embodiments, the sealing system includes a sealing member and an outer ring. The sealing member is compressed between the chassis and the tubular. The sealing member has a temperature and comprises a resilient material that is expandable as the temperature increases and contractible as the temperature decreases. The outer ring is displaceable to close an annulus between an outer surface of the outer ring and the inner surface of the tubular by expansion of the sealing element, whereby the sealing member is prevented from extruding into the annulus. Further, the outer ring comprises a compliant material that is deformable under load from the sealing element as the sealing element expands.
Inventors:
HERRERA ADAN HERNANDEZ (US)
DUDLEY JAMES H (US)
DUDLEY JAMES H (US)
Application Number:
PCT/US2010/023880
Publication Date:
December 09, 2010
Filing Date:
February 11, 2010
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
HERRERA ADAN HERNANDEZ (US)
DUDLEY JAMES H (US)
HERRERA ADAN HERNANDEZ (US)
DUDLEY JAMES H (US)
International Classes:
F16J15/26; F16J15/16; F16J15/20; F16J15/24
Foreign References:
| US20070001404A1 | 2007-01-04 | |||
| US6173960B1 | 2001-01-16 | |||
| US4674754A | 1987-06-23 | |||
| US4576386A | 1986-03-18 |
Attorney, Agent or Firm:
ROSE, David A. (Houston, Texas, US)
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