Expandable tubulars with a radial passage and wall portions with different wall thicknesses

United States of America Patent

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Jul 10, 2007
Grant Date
Apr 11, 2002
app pub date
Sep 25, 2001
filing date
Dec 7, 1998

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Abstract

A tubular liner including a first tubular portion, a second tubular portion, and an intermediate tapered tubular portion coupled to, and positioned between, the first and second tubular portions.

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Patent Owner(s)

Patent Owner	Address
ENVENTURE GLOBAL TECHNOLOGY LLC	15995 NORTH BARKERS LANDING SUITE 350 HOUSTON TX 77079

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
Brisco, David Paul	Duncan, OK	112	4204
Cook, Robert Lance	Katy, TX	134	4674
Duell, Alan B	Duncan, OK	43	1436
Filippov, Andrei	Wassenaar, NL	6	444
Mack, Robert Donald	Katy, TX	49	1693
Ring, Lev	Houston, TX	188	5787
Stewart, R Bruce	The Hague, NL	47	1819

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Expandable tubulars with a radial passage and wall portions with different wall thicknesses

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09962470

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PATENT NO	7240728
APP PUB NO	20020040787A1
SERIAL NO	09962470
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 10, 2007	US,7240728,B2 US7240728B2	GRANTED PATENT AS SECOND PUBLICATION
April 11, 2002	US,20020040787,A1 US20020040787A1	FIRST PUBLISHED PATENT APPLICATION

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