Method of acid fracturing a sandstone formation

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Apr 27, 2010
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May 6, 2008
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May 6, 2008

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Abstract

Methods and compositions useful in acidizing a subterranean formation with an oil-in-water emulsion that includes a sulfonate ester, a fluoride salt, a proppant, and water. The reaction of the ester and fluoride salt is delayed so that hydrofluoric acid is produced in-situ.

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BJ SERVICES COMPANY	5500 NORTHWEST CENTRAL DRIVE HOUSTON TX 77092

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Inventor Name	Address	# of filed Patents	Total Citations
Qu, Qi	Spring, US	182	2342
Wang, Xiaolan	Spring, US	74	805

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Method of acid fracturing a sandstone formation

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United States of America Patent

12115603

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 27, 2010	US,7704927,B2 US7704927B2	GRANTED PATENT AS SECOND PUBLICATION
November 12, 2009	US,20090281005,A1 US20090281005A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	7704927
SERIAL NO	12115603
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12115603

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