Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids

US7638469B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Thomas Heidenfelder · Münstermaifeld, DE
• Marcus Guzmann · Bad Windsheim, DE
• Helmut Witteler · Monsheim, DE
• Uwe Ossmer · Neustadt, DE

Key dates

• Filing date: Mar 3, 2006
• Grant date: Dec 29, 2009
• Expiry date: Mar 12, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S166/902
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.