Drilling fluid and methods

United States of America Patent

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Aug 2, 2011
Grant Date
Sep 11, 2008
app pub date
Feb 4, 2008
filing date
Mar 9, 2007

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Abstract

A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.

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Patent Owner	Address
CANADIAN ENERGY SERVICES L P	1400 700 - 4TH AVENUE SW CALGARY T2P 2X6

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Inventor Name	Address	# of filed Patents	Total Citations
Smith, Carl Keith	Calgary, CA	16	211
Stoian, Stefan Alexandru	Calgary, CA	6	59

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Drilling fluid and methods

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United States of America Patent

12025164

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PATENT NO	7989399
APP PUB NO	20080217064A1
SERIAL NO	12025164
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 02, 2011	US,7989399,B2 US7989399B2	GRANTED PATENT AS SECOND PUBLICATION
September 11, 2008	US,20080217064,A1 US20080217064A1	FIRST PUBLISHED PATENT APPLICATION

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12025164

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