A METHOD FOR MOUNTING A CASING SHOE ON A DRILLING APPARATUS - Patent 1144797

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EP 1 144 797 A1

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(43)	Date of publication:
	17.10.2001 Bulletin 2001/42

(21)	Application number: 98955619.6

(22)	Date of filing: 23.11.1998

(51)	International Patent Classification (IPC)⁷: E21B 17/14, E21B 7/20

(86)	International application number:
	PCT/FI9800/913

(87)	International publication number:
	WO 0031/373 (02.06.2000 Gazette 2000/22)

(84)	Designated Contracting States:
	DE FR GB IT SE

(71)	Applicant: ILOMÄKI, Valto
	SF-33470 Ylöjärvi (FI)

(72)	Inventor:
	ILOMÄKI, Valto SF-33470 Ylöjärvi (FI)

(74)	Representative: Nieminen, Taisto Tapani
	Patenttitoimisto T. Nieminen Oy,Kehräsaari B 33200 Tampere 33200 Tampere (FI)

(54)	A METHOD FOR MOUNTING A CASING SHOE ON A DRILLING APPARATUS