AN IMAGE FOCUSING METHOD AND APPARATUS FOR WELLBORE RESISTIVITY IMAGING - Patent 1247060

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(11)

EP 1 247 060 A2

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(88)	Date of publication A3:
	01.11.2001

(43)	Date of publication:
	09.10.2002 Bulletin 2002/41

(21)	Application number: 01901934.8

(22)	Date of filing: 10.01.2001

(51)	International Patent Classification (IPC)⁷: G01B 1/00

(86)	International application number:
	PCT/US0100/742

(87)	International publication number:
	WO 0105/1880 (19.07.2001 Gazette 2001/29)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

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Priority:

11.01.2000 US 175585 P

(71)	Applicant: BAKER HUGHES INCORPORATED
	HoustonTexas 77027 (US)

(72)	Inventors:
	EVANS, Martin, T. Thorpe St. Andrew,Norwich NR7 0ZE (GB) BURT, Richard, A. Lowest jt NR32 3JX (GB)

(74)	Representative: Vigars, Christopher Ian et al
	Haseltine Lake & Co.,Imperial House,15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)

(54)	AN IMAGE FOCUSING METHOD AND APPARATUS FOR WELLBORE RESISTIVITY IMAGING