METHOD OF TREATING RESERVOIR ZONE OF HYDROCARBON PRODUCING WELL TO INHIBIT WATER PRODUCTION PROBLEMS - Patent 1257727

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EP 1 257 727 A1

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(43)	Date of publication:
	20.11.2002 Bulletin 2002/47

(21)	Application number: 01951158.3

(22)	Date of filing: 07.02.2001

(51)	International Patent Classification (IPC)⁷: E21B 37/06, E21B 33/138

(86)	International application number:
	PCT/GB0100/495

(87)	International publication number:
	WO 0105/9255 (16.08.2001 Gazette 2001/33)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

11.02.2000 GB 0003214

(71)	Applicants:
	Statoil ASA 4035 Stavanger (NO) Champion Technologies, Inc. Houston,TX 77227-7727 (US)

(72)	Inventors:
	WAT, Rex, Man, Shing N-7054 Ranheim (NO) KOTLAR, Hans, Kristian N-7072 Heimdal (NO)

(74)	Representative: Rees, David Christopher et al
	Kilburn & Strode20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)

(54)	METHOD OF TREATING RESERVOIR ZONE OF HYDROCARBON PRODUCING WELL TO INHIBIT WATER PRODUCTION PROBLEMS