SEAL WITH FLEXIBLE NOSE FOR USE WITH A LOCK-DOWN RING ON A HANGER IN A WELLBORE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140183824A1
SERIAL NO

13730306

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A seal system selectively set between coaxial downhole tubulars seals between the tubulars; the system also locks the tubulars together to resist relative axial movement from thermal expansion. The seal system includes a seal element with a nose ring that couples a lock-down ring to both the inner and outer tubulars. Before inserting the seal system between the tubulars, the lock-down ring is disposed in a groove on the inner tubular. Setting the seal system drives a lower tip of the nose ring between the lock-down ring and inner tubular, thereby urging the lock-down ring radially outward. A portion of the lock-down ring remains in the groove, while an outer radial portion of the lock-down ring inserts into a profile on the outer tubular. Axial movement of a tubular transfers force to the other tubular through the lock-down ring, while a minimal amount of force transfers through the seal system.

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Patent Owner(s)

Patent OwnerAddress
VETCO GRAY INCTEXAS USA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benson, Daniel Caleb Houston, US 13 91
Ford, David Lawrence Houston, US 23 120

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