公开(公告)号：DE60116800D1

公开(公告)日：2006-04-06

申请号：DE60116800

申请日：2001-11-19

Applicant: STATOIL ASA STAVANGER

Inventor： KOTLAR HANS KRISTIAN ,  STELLE OLAV MARTIN ,  AUNE ODDVAR ARNFINN ,  KILAAS LARS ,  DYRLI ANNE DALAGER

IPC: E21B37/06 ,  C09K8/536 ,  C09K8/54 ,  E21B33/138 ,  E21B43/25

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.