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Extract from the Register of European Patents

EP About this file: EP0840834

EP0840834 - APPARATUS AND PROCESS FOR DRILLING AND COMPLETING MULTIPLE WELLS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.01.2006
Database last updated on 28.06.2024
Most recent event   Tooltip21.11.2008Change - lapse in a contracting state
Updated state(s): FR		published on 24.12.2008  [2008/52]
Applicant(s)For all designated states
MARATHON OIL COMPANY
539 South Main Street
Findlay, OH 45840 / US
[1998/20]
Inventor(s)01 / COLLINS, Gary, J.
2215 Landscape Way
Richmond, TX 77469 / US
[1998/20]
Representative(s)Boden, Keith McMurray, et al
D Young & Co LLP
120 Holborn
London
EC1N 2DY / GB
[N/P]
Former [2000/26]Boden, Keith McMurray, et al
D. Young & Co. 21 New Fetter Lane
London EC4A 1DA / GB
Former [1998/20]Purvis, William Michael Cameron, et al
D. Young & Co., 21 New Fetter Lane
London EC4A 1DA / GB
Application number, filing date96917909.203.06.1996
[1998/20]
WO1996US08321
Priority number, dateUS1995050863526.07.1995         Original published format: US 508635
[1998/20]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9705360
Date:13.02.1997
Language:EN
[1997/08]
Type: A1 Application with search report 
No.:EP0840834
Date:13.05.1998
Language:EN
The application published by WIPO in one of the EPO official languages on 13.02.1997 takes the place of the publication of the European patent application.
[1998/20]
Type: B1 Patent specification 
No.:EP0840834
Date:23.03.2005
Language:EN
[2005/12]
Search report(s)International search report - published on:US13.02.1997
(Supplementary) European search report - dispatched on:EP15.12.1999
ClassificationIPC:E21B7/08, E21B7/12, E21B17/00
[1998/20]
CPC:
E21B23/006 (EP,US); E21B23/12 (EP,US); E21B33/03 (EP,US);
E21B33/047 (EP,US); E21B43/14 (EP,US); E21B43/305 (EP,US);
E21B7/043 (EP,US); E21B7/061 (EP,US); E21B7/068 (EP,US);
E21B43/017 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1998/20]
TitleGerman:VORRICHTUNG UND VERFAHREN ZUM BOHREN UND KOMPLETIEREN MEHRERER BOHRUNGEN[1998/20]
English:APPARATUS AND PROCESS FOR DRILLING AND COMPLETING MULTIPLE WELLS[1998/20]
French:APPAREILLAGE DE FORAGE ET DE REALISATION DE PLUSIEURS PUITS ET PROCEDE CORRESPONDANT[1998/20]
Entry into regional phase19.12.1997National basic fee paid 
19.12.1997Search fee paid 
19.12.1997Designation fee(s) paid 
19.12.1997Examination fee paid 
Examination procedure18.11.1996Request for preliminary examination filed
International Preliminary Examining Authority: US
19.12.1997Examination requested  [1998/20]
05.02.2002Despatch of a communication from the examining division (Time limit: M06)
19.11.2002Reply to a communication from the examining division
24.01.2003Despatch of a communication from the examining division (Time limit: M06)
05.09.2003Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
05.11.2003Reply to a communication from the examining division
08.12.2003Despatch of a communication from the examining division (Time limit: M06)
16.06.2004Reply to a communication from the examining division
22.07.2004Communication of intention to grant the patent
09.11.2004Fee for grant paid
09.11.2004Fee for publishing/printing paid
Opposition(s)27.12.2005No opposition filed within time limit [2006/11]
Request for further processing for:05.11.2003Request for further processing filed
05.11.2003Full payment received (date of receipt of payment)
Request granted
19.11.2003Decision despatched
19.11.2002Request for further processing filed
19.11.2002Full payment received (date of receipt of payment)
Request granted
02.12.2002Decision despatched
Fees paidRenewal fee
05.06.1998Renewal fee patent year 03
04.06.1999Renewal fee patent year 04
05.06.2000Renewal fee patent year 05
05.06.2001Renewal fee patent year 06
07.06.2002Renewal fee patent year 07
04.06.2003Renewal fee patent year 08
04.06.2004Renewal fee patent year 09
Opt-out from the exclusive  Tooltip
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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.
Lapses during opposition  TooltipAT23.03.2005
BE23.03.2005
CH23.03.2005
ES23.03.2005
FI23.03.2005
FR23.03.2005
IT23.03.2005
LI23.03.2005
LU03.06.2005
DK23.06.2005
GR23.06.2005
SE23.06.2005
DE24.06.2005
MC30.06.2005
PT07.09.2005
[2008/52]
Former [2008/45]AT23.03.2005
BE23.03.2005
CH23.03.2005
ES23.03.2005
FI23.03.2005
IT23.03.2005
LI23.03.2005
LU03.06.2005
DK23.06.2005
GR23.06.2005
SE23.06.2005
DE24.06.2005
FR30.06.2005
MC30.06.2005
PT07.09.2005
Former [2008/06]AT23.03.2005
BE23.03.2005
CH23.03.2005
ES23.03.2005
FI23.03.2005
IT23.03.2005
LI23.03.2005
LU03.06.2005
DK23.06.2005
GR23.06.2005
SE23.06.2005
DE24.06.2005
MC30.06.2005
PT07.09.2005
Former [2007/26]AT23.03.2005
BE23.03.2005
CH23.03.2005
ES23.03.2005
FI23.03.2005
LI23.03.2005
LU03.06.2005
DK23.06.2005
GR23.06.2005
DE24.06.2005
MC30.06.2005
PT07.09.2005
Former [2007/16]AT23.03.2005
BE23.03.2005
CH23.03.2005
ES23.03.2005
FI23.03.2005
LI23.03.2005
DK23.06.2005
GR23.06.2005
DE24.06.2005
LU30.06.2005
MC30.06.2005
PT07.09.2005
Former [2006/28]AT23.03.2005
BE23.03.2005
CH23.03.2005
FI23.03.2005
LI23.03.2005
DK23.06.2005
GR23.06.2005
DE24.06.2005
MC30.06.2005
PT07.09.2005
Former [2006/18]AT23.03.2005
BE23.03.2005
CH23.03.2005
FI23.03.2005
LI23.03.2005
DK23.06.2005
GR23.06.2005
DE24.06.2005
PT07.09.2005
Former [2006/14]AT23.03.2005
BE23.03.2005
CH23.03.2005
FI23.03.2005
LI23.03.2005
DK23.06.2005
GR23.06.2005
PT07.09.2005
Former [2006/12]AT23.03.2005
BE23.03.2005
CH23.03.2005
FI23.03.2005
LI23.03.2005
DK23.06.2005
Former [2005/51]AT23.03.2005
BE23.03.2005
FI23.03.2005
Former [2005/46]FI23.03.2005
Documents cited:Search[DX]US5330007  (COLLINS GARY J [US], et al) [DX] 1-7,18,19,22-28,33,34,39 * column W *;
 [PXA]US5462120  (GONDOUIN MICHEL [US]) [PX] 1-3,5,6,18,23,25-28,33,34 * column 5, line 54 - column 6, line 44 * * column 8, line 45 - column 9, line 66 * [PA] 40-63;
 [E]US5560435  (SHARP ALLAN C [GB]) [E] 1,3-7,25 * column 4, line 1 - column 5, line 11 ** column 5, line 54 - line 67 *
International search[A]US1900163  (DREXLER DANA, et al);
 [A]US4396075  (WOOD EDWARD T [US], et al);
 [A]US4415205  (REHM WILLIAM A [US], et al);
 [X]US4573541  (JOSSE JEAN-JACQUES [FR], et al)
by applicantUS5330007
 US19930080042
 US19930170557
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.