Well treatment method

US7341979B2 · kind B2 · utility

Assignee

• STATOIL ASA · NO

Inventors

• Hans Kristian Kotlar · Stavanger, NO
• Olav Martin Selle · Stavanger, NO
• Oddvar Arnfinn Aune · Stavanger, NO
• Lars Kilaas · Trondheim, NO
• Anne Dalager Dyrli · Stavanger, NO

Key dates

• Filing date: Nov 19, 2001
• Grant date: Mar 11, 2008
• Expiry date: Jun 23, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K8/54
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention provides a method for the treatment of a hydrocarbon well which method comprises administering, down the well, inverse suspension polymerized polymer particles having immobilized therein a well treatment chemical or a precursor or generator thereof.