Imidazoline-based heterocyclic foamers for downhole injection

Details for Australian Patent Application No. 2008321109 (hide)

Owner Nalco Company

Inventors Meyer, G. Richard; Nguyen, Duy T.

Agent Shelston IP

Pub. Number AU-A-2008321109

PCT Pub. Number WO2009/064719

Priority 11/940,777 15.11.07 US

Filing date 11 November 2008

Wipo publication date 22 May 2009

International Classifications

C09K 8/54 (2006.01) Compositions for drilling of boreholes or wells - Compositions for inhibition of corrosion in boreholes or wells

C09K 8/594 (2006.01) Compositions for drilling of boreholes or wells

C11D 1/58 (2006.01) Surface-active non-soap detergents

C23F 11/14 (2006.01) Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent

E21B 43/12 (2006.01) Obtaining fluids from wells - Methods or apparatus for controlling the flow of the obtained fluid to or in wells

Event Publications

20 May 2010 PCT application entered the National Phase

  PCT publication WO2009/064719 Priority application(s): WO2009/064719

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