Compositions and methods for degrading filter cake

United States of America Patent

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Jul 25, 2006
Grant Date
Feb 17, 2005
app pub date
Aug 14, 2003
filing date
Aug 14, 2003

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Abstract

Improved methods and compositions for degrading filter cake deposited in a subterranean formation are provided. These methods and compositions utilize particulates coated with acid-releasing degradable material wherein the released acid is used to degrade a filter cake.

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Patent Owner(s)

Patent Owner	Address
HALLIBURTON ENERGY SERVICES INC	3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Powell, Ronald J	Duncan, OK	28	2104
Todd, Bradley L	Duncan, OK	148	7835

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Compositions and methods for degrading filter cake

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United States of America Patent

10641242

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PATENT NO	7080688
APP PUB NO	20050034865A1
SERIAL NO	10641242
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 25, 2006	US,7080688,B2 US7080688B2	GRANTED PATENT AS SECOND PUBLICATION
February 17, 2005	US,20050034865,A1 US20050034865A1	FIRST PUBLISHED PATENT APPLICATION

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10641242

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