Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations

United States of America Patent

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Sep 3, 2002
Grant Date
Aug 30, 2001
app pub date
Mar 26, 2001
filing date
Jun 14, 1993

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Expired

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Abstract

A method for enhancing gas or oil production by delivering a nitrogen rich gas produced from a non-cryogenic source into the well and/or reservoir where the gas and/or oil is located.

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Patent Owner(s)

WEATHERFORD/LAMB, INC.

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Michael, Keith P	West Chester, PA	2	18

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Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09817715

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PATENT NO	6443245
APP PUB NO	20010017223A1
SERIAL NO	09817715
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 03, 2002	US,6443245,B2 US6443245B2	GRANTED PATENT AS SECOND PUBLICATION
August 30, 2001	US,20010017223,A1 US20010017223A1	FIRST PUBLISHED PATENT APPLICATION

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09817715

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