Use of aqueous dispersions for tertiary mineral oil production

US7622428B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jürgen Huff · Ludwigshafen, DE
• Marcus Guzmann · Bad Windsheim, DE
• Gregor Brodt · Heppenheim, DE
• Pulakesh Mukherjee · Mannheim, DE
• Peter Poganiuch · Neustadt, DE

Key dates

• Filing date: Jan 23, 2006
• Grant date: Nov 24, 2009
• Expiry date: Jun 13, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K8/588
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Use of water-soluble polymers for tertiary mineral oil production by introducing the polymer into a mineral oil deposit, in which the water-soluble polymers are used in the form of a dispersion of the water-soluble polymer and at least one water-soluble, polymeric stabilizer.