US Patent 7956012 Oil field treatment fluids with viscosified brines
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Edits on 28 Nov, 2023
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Patent abstract
The present disclosure is directed to a method comprising introducing into a well bore a fluid comprising a zwitterionic polymer. The polymer is prepared by inverse emulsion polymerization of at least one monomer Ab comprising a betaine group and optionally one or more nonionic monomers Ba. The well bore is chosen from a natural gas well bore and an oil well bore.
Edits on 23 May, 2023
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US Patent 07956012 Oil field treatment fluids with viscosified brines US Patent 7956012 Oil field treatment fluids with viscosified brines
Infobox
Patent Number
0795601200
Patent Number
795601200
Edits on 30 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079560120
Date of Patent
June 7, 2011
0Patent Application Number
123656730
Date Filed
February 4, 2009
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079560120
Date of Patent
June 7, 2011
0Patent Application Number
123656730
Date Filed
February 4, 2009
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
Edits made to:
Infobox (+7 properties)
US Patent 07956012 Oil field treatment fluids with viscosified brines
Infobox
Is a
Patent jurisdiction
Patent number
07956012
Date of patent
June 7, 2011
Patent application number
12365673
Date Filed
February 4, 2009
Patent primary examiner
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