Patent · US Active

Well treatment process

US7807609B2 · kind B2 · utility

0Cited by

13References

5Claims

0Family size

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 21, 2008
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Nov 21, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention provides a method for the treatment of a hydrocarbon well which method comprises administering, down said well, polymeric particles having covalently bound to a polymeric component thereof a well treatment chemical or a precursor thereof, wherein the particles contain covalent bonds scissile in an aqueous environment to release or expose said chemical or precursor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.