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08/16/07 - USPTO Class 166 | 20 views | #20070187102 | Prev - Next | About this Page

Hydraulic fracturing methods using cross-linking composition comprising delay agent

USPTO Application #: 20070187102
Title: Hydraulic fracturing methods using cross-linking composition comprising delay agent

Abstract: A method for hydraulically fracturing a subterranean formation comprises introducing into the formation a cross-linking composition which comprises (a) an aqueous liquid, (b) a pH buffer, (c) a cross-linkable organic polymer, (d) a cross-linking agent which comprises an organic titanate, an organic zirconate, or combinations thereof, and (e) a delay agent which is a hydroxyalkylaminocarboxylic acid. The method can be used over a wide range of pH conditions. (end of abstract)

Agent: E I Du Pont De Nemours And Company Legal Patent Records Center - Wilmington, DE, US
Inventor: Donald Edward Putzig
USPTO Applicaton #: 20070187102 - Class: 166300000 (USPTO)

Hydraulic fracturing methods using cross-linking composition comprising delay agent description/claims

The Patent Description & Claims data below is from USPTO Patent Application 20070187102, Hydraulic fracturing methods using cross-linking composition comprising delay agent.

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