Self-lubricating expansion mandrel for expandable tubular

United States of America Patent

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Aug 11, 2009
Grant Date
Jun 14, 2007
app pub date
Aug 18, 2003
filing date
Sep 20, 2002

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Abstract

A self-lubricating expansion mandrel includes a system for lubricating the interface between the self-lubricating expansion mandrel and a tubular member during the radial expansion of the tubular member.

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Patent Owner(s)

ENVENTURE GLOBAL TECHNOLOGY, LLC

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Ring, Lev	Houston, US	188	5698
Shuster, Mark	Houston, US	38	508

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Self-lubricating expansion mandrel for expandable tubular

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10528499

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PATENT NO	7571774
APP PUB NO	20070131431A1
SERIAL NO	10528499
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 11, 2009	US,7571774,B2 US7571774B2	GRANTED PATENT AS SECOND PUBLICATION
June 14, 2007	US,20070131431,A1 US20070131431A1	FIRST PUBLISHED PATENT APPLICATION

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10528499

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