USING EQUIPMENT IN A WELL SYSTEM

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EP 0 980 463 A1

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(43)	Date of publication:
	23.02.2000 Bulletin 2000/08

(21)	Application number: 98925514.6

(22)	Date of filing: 27.04.1998

(51)	International Patent Classification (IPC)⁷: E21B 43/30, E21B 23/00

(86)	International application number:
	PCT/EP9802/578

(87)	International publication number:
	WO 9849/424 (05.11.1998 Gazette 1998/44)

(84)	Designated Contracting States:
	DE DK GB IT NL

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Priority:

28.04.1997 EP 97201266

(71)	Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V.
	2596 HR Den Haag (NL)

(72)	Inventors:
	DEN BOER, Johannis, Josephus NL-2288 GD Rijswijk (NL) SHEEHY, Hugh, Edward NL-2288 GD Rijswijk (NL)

(54)	USING EQUIPMENT IN A WELL SYSTEM