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EP About this file: EP0314573

EP0314573 - Well logging apparatus and method [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 30.03.2001 Database last updated on 21.05.2024
Most recent event Tooltip	05.10.2005	Change: Appeal number
Applicant(s)	For:DE GB NL Schlumberger Limited 277 Park Avenue New York, N.Y. 10172 / US
	For:FR IT SOCIETE DE PROSPECTION ELECTRIQUE SCHLUMBERGER 42, rue Saint-Dominique F-75340 Paris Cédex 07 / FR
	[N/P]
Former [1989/18]	For:DE GB NL SCHLUMBERGER LIMITED 277 Park Avenue New York, N.Y. 10172 / US
	For:FR IT SOCIETE DE PROSPECTION ELECTRIQUE SCHLUMBERGER 42, rue Saint-Dominique F-75340 Paris Cédex 07 / FR
Inventor(s)	01 / Clark, Brian 3210 La Quinta Missouri City Texas 77459 / US
	02 / Jundt, Jacques 3655 Duncaster Dr. Missouri City Texas 77459 / US
	03 / Luling, Martin 3211 North Park Dr. Missouri City Texas 77459 / US
	04 / Ross, Michael 4646 Foster School Rd. Needville Texas 77461 / US
	[1989/18]
Representative(s)	Mitchell, Alan, et al Hoffmann Eitle ATTENTION : ADDRESS INACTIVE - USE ASS-NR - CDR / DE
	[N/P]
Former [1999/28]	Mitchell, Alan, et al Hoffmann Eitle, Patent- und Rechtsanwälte, Arabellastrasse 4 81925 München / DE
Former [1994/22]	Geissler, Bernhard, Dr.jur., Dipl.-Phys., et al Patent- u. Rechtsanwälte Bardehle -Pagenberg-Dost-Altenburg- Frohwitter-Geissler & Partner Galileiplatz 1 D-81679 München / DE
Former [1989/18]	Hagel, Francis Etudes et Productions Schlumberger A L'ATTENTION DU SERVICE BREVETS 26, rue de la Cavée B.P.202 F-92142 Clamart Cédex / FR
Application number, filing date	88402703.8	27.10.1988
	[1989/18]
Priority number, date	US19870115503	30.10.1987 Original published format: US 115503
	[1989/18]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0314573
	Date:	03.05.1989
	Language:	EN
	[1989/18]
	Type:	A3 Search report
	No.:	EP0314573
	Date:	07.02.1990
	Language:	EN
	[1990/06]
	Type:	B1 Patent specification
	No.:	EP0314573
	Date:	13.01.1993
	Language:	EN
	[1993/02]
	Type:	B2 New European patent specification
	No.:	EP0314573
	Date:	16.05.2001
	Language:	EN
	[2001/20]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	18.12.1989
Classification	IPC:	G01V3/30	[1989/18]
	CPC:	G01V3/30 (EP,US)
Designated contracting states	DE, FR, GB, IT, NL [1989/18]
Title	German:	Gerät und Verfahren zur Bohrlochmessung	[1989/18]
	English:	Well logging apparatus and method	[1989/18]
	French:	Dispositif et méthode de diagraphie d'un puits	[1989/18]
Examination procedure	27.07.1990	Examination requested [1990/38]
	31.07.1991	Despatch of a communication from the examining division (Time limit: M06)
	11.01.1992	Reply to a communication from the examining division
	21.02.1992	Despatch of communication of intention to grant (Approval: No)
	29.05.1992	Despatch of communication of intention to grant (Approval: later approval)
	11.06.1992	Communication of intention to grant the patent
	12.09.1992	Fee for grant paid
	12.09.1992	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 12.10.1993 09.12.1994 WITHDRAWN BAKER HUGHES INCORPORATED 3900 Essex Lane, Suite 1200 Houston, Texas 77027 / US Opponent's representative Freylinger, Ernest T. Office Ernest T. Freylinger 234, route d'Arlon B.P. 48 8001 Strassen / LU
		02 12.10.1993 06.04.1998 WITHDRAWN Baroid Technology, Inc (a Delaware corporation) 3000 North Sam Houston Parkway East Houston, Texas 77032 / US Opponent's representative Ruschke, Hans Edvard, et al, et al Ruschke Madgwick Seide & Kollegen Patentanwälte Patent Attorney (UK) PartG mbB Postfach 86 06 29 81633 München / DE
		[N/P]
	Former [1993/49]
	Opponent(s)	01 12.10.1993 16.11.1993 ADMISSIBLE BAKER HUGHES INCORPORATED 3900 Essex Lane Houston, Texas 77210-4740 / US Opponent's representative Freylinger, Ernest T. Office de Brevets Ernest T. Freylinger 321, route d'Arlon Boîte Postale 48 L-8001 Strassen / LU
		02 12.10.1993 16.11.1993 ADMISSIBLE Baroid Technology, Inc (a Delaware corporation) 3000 North Sam Houston Parkway East Houston, Texas 77032 / US Opponent's representative Ruschke, Hans Edvard, Dipl.-Ing., et al, et al Patentanwälte Ruschke & Partner Pienzenauerstrasse 2 D-81679 München / DE
	Former [1993/48]
	Opponent(s)	01 12.10.1993 16.11.1993 ADMISSIBLE BAKER HUGHES INCORPORATED 3900 Essex Lane Houston, Texas 77210-4740 / US Opponent's representative Freylinger, Ernest T. Office de Brevets Ernest T. Freylinger 321, route d'Arlon Boîte Postale 48 L-8001 Strassen / LU
	23.11.1993	Invitation to proprietor to file observations on the notice of opposition
	24.05.1994	Reply of patent proprietor to notice(s) of opposition
	10.06.1994	Communication of observations of patent proprietor (Time limit: M06)
	09.12.1994	Reply of parties involved to observations of patent proprietor
	03.06.1996	Despatch of a communication from the opposition division (Time limit: M08)
	07.02.1997	Reply to a communication from the opposition division
	24.02.1999	Date of oral proceedings
	23.03.1999	Despatch of minutes of oral proceedings
	09.07.1999	Despatch of communication that the patent will be revoked
	19.07.2000	Despatch of interlocutory decision in opposition
	19.07.2000	Legal effect of interlocutory decision in opposition
	30.11.2000	Despatch of communication that the patent will be maintained as amended
	01.03.2001	Fee for printing new specification paid
Appeal following opposition	09.09.1999	Appeal received No. T0908/99
	16.11.1999	Statement of grounds filed
	19.07.2000	Result of appeal procedure: maintenance in amended form
	19.07.2000	Date of oral proceedings
	04.08.2000	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	29.10.1990	Renewal fee patent year 03
	21.12.1990	Renewal fee patent year 04
	23.10.1992	Renewal fee patent year 05
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[XD]US4209747 (HUCHITAL GERALD S [US]);
		[A]GB2155186 (SHELL INT RESEARCH)
		[Y] - SOCIETY OF PETROLEUM ENGINEERS OF AIME, SPE 12167, 1983; P.F. RODNEY et al.: "The electromagnetic wave resistivity MWD tool"

The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.

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