Lubrication and self-cleaning system for expansion mandrel

United States of America Patent

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Sep 19, 2006
Grant Date
Sep 18, 2003
app pub date
Mar 5, 2003
filing date
Nov 16, 1998

priority date (Note)
Expired

status (Latency Note)

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Abstract

An expansion mandrel includes a lubrication system for lubricating the trailing edge portion of the interface between the expansion mandrel and a tubular member during the radial expansion of the tubular member.

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Patent Owner(s)

Patent Owner	Address
SHELL OIL COMPANY	P O BOX 2463 ONE SHELL PLAZA HOUSTON TX 77252-2463

International Classification(s)

E21B:EARTH OR ROCK DRILLING

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brisco, David Paul	Duncan, OK	112	4204
Cook, Robert Lance	Katy, TX	134	4674
Duell, Alan B	Duncan, OK	43	1436
Filippov, Andrei Gregory	Katy, TX	45	1284
Haut, Richard Carl	Sugar Land, TX	53	1674
Mack, Robert Donald	Katy, TX	49	1693
Nahm, James Jang Woo	Fuldbrock, CA	4	253
Ring, Lev	Houston, TX	188	5787
Stewart, R Bruce	The Hague, NL	47	1819
Wyant, Reece E	Houston, TX	13	882

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Lubrication and self-cleaning system for expansion mandrel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10382325

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PATENT NO	7108072
APP PUB NO	20030173090A1
SERIAL NO	10382325
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 19, 2006	US,7108072,B2 US7108072B2	GRANTED PATENT AS SECOND PUBLICATION
September 18, 2003	US,20030173090,A1 US20030173090A1	FIRST PUBLISHED PATENT APPLICATION

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10382325

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