AN ASSEMBLY AND METHOD FOR FORMING A SEAL IN A JUNCTION OF A MULTILATERAL WELLBORE - Patent 1348064

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EP 1 348 064 A1

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(43)	Date of publication:
	01.10.2003 Bulletin 2003/40

(21)	Application number: 00985586.7

(22)	Date of filing: 15.12.2000

(51)	International Patent Classification (IPC)⁷: E21B 41/00

(86)	International application number:
	PCT/GB0004/835

(87)	International publication number:
	WO 0204/8504 (20.06.2002 Gazette 2002/25)

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

(71)	Applicants:
	WEATHERFORD/LAMB, INC. Houston Texas 77027 (US) Harding, Richard Patrick Oxford OX4 2RU (GB) GB

(72)	Inventor:
	BRUNET, Charles, G. Houston, TX 77019 (US)

(74)	Representative: Hagmann-Smith, Martin Peter
	Marks & Clerk, 4220 Nash Court, Oxford Business Park South Oxford, Oxfordshire OX4 2RU Oxford, Oxfordshire OX4 2RU (GB)

(54)	AN ASSEMBLY AND METHOD FOR FORMING A SEAL IN A JUNCTION OF A MULTILATERAL WELLBORE