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Extract from the Register of European Patents

EP About this file: EP2807332

EP2807332 - METHOD FOR REDUCING DRILLSTRING OSCILLATIONS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.02.2018
Database last updated on 28.09.2024
FormerThe patent has been granted
Status updated on  03.03.2017
FormerGrant of patent is intended
Status updated on  02.11.2016
Most recent event   Tooltip17.07.2020Lapse of the patent in a contracting state
New state(s): AL		published on 19.08.2020  [2020/34]
Applicant(s)For all designated states
National Oilwell Varco Norway AS
Postboks 8181
4069 Stavanger / NO
[2014/49]
Inventor(s)01 / KYLLINGSTAD, Åge
Hogstadbakken 8
4330 Ålgård / NO
 [2015/18]
Former [2014/49]01 / KYLLINGSTAD, Åge
Hogstadbakken 8
N-4330 Ålgård / NO
Representative(s)Håmsø Patentbyrå AS
P.O. Box 171
4301 Sandnes / NO
[N/P]
Former [2014/49]Håmsø Patentbyrå ANS
Postboks 171
4302 Sandnes / NO
Application number, filing date13740504.917.01.2013
[2017/14]
WO2013NO50014
Priority number, dateNO2012000007324.01.2012         Original published format: NO 20120073
[2014/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013112056
Date:01.08.2013
Language:EN
[2013/31]
Type: A1 Application with search report 
No.:EP2807332
Date:03.12.2014
Language:EN
The application published by WIPO in one of the EPO official languages on 01.08.2013 takes the place of the publication of the European patent application.
[2014/49]
Type: B1 Patent specification 
No.:EP2807332
Date:05.04.2017
Language:EN
[2017/14]
Search report(s)International search report - published on:XN01.08.2013
(Supplementary) European search report - dispatched on:EP23.11.2015
ClassificationIPC:E21B44/00, E21B41/00
[2014/49]
CPC:
E21B44/00 (EP,RU,US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2014/49]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERFAHREN ZUR VERMINDERUNG VON SCHWINGUNGEN EINES BOHRGESTÄNGES[2014/49]
English:METHOD FOR REDUCING DRILLSTRING OSCILLATIONS[2014/49]
French:PROCÉDÉ DE RÉDUCTION D'OSCILLATIONS DE TRAIN DE TIGES DE FORAGE[2014/49]
Entry into regional phase17.06.2014National basic fee paid 
17.06.2014Search fee paid 
17.06.2014Designation fee(s) paid 
17.06.2014Examination fee paid 
Examination procedure17.06.2014Examination requested  [2014/49]
03.11.2016Communication of intention to grant the patent
23.02.2017Fee for grant paid
23.02.2017Fee for publishing/printing paid
23.02.2017Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  03.11.2016
Opposition(s)08.01.2018No opposition filed within time limit [2018/11]
Fees paidRenewal fee
02.01.2015Renewal fee patent year 03
21.12.2015Renewal fee patent year 04
11.01.2017Renewal 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.
Lapses during opposition  TooltipHU17.01.2013
AL05.04.2017
AT05.04.2017
CY05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
MC05.04.2017
MK05.04.2017
NL05.04.2017
PL05.04.2017
PT05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
TR05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
[2020/34]
Former [2020/31]HU17.01.2013
AT05.04.2017
CY05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
MC05.04.2017
MK05.04.2017
NL05.04.2017
PL05.04.2017
PT05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
TR05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2020/28]HU17.01.2013
AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
MC05.04.2017
NL05.04.2017
PL05.04.2017
PT05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
TR05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2020/15]AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
MC05.04.2017
NL05.04.2017
PL05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
TR05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2019/30]AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
MC05.04.2017
NL05.04.2017
PL05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2018/25]AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
NL05.04.2017
PL05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SI05.04.2017
SK05.04.2017
SM05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2018/11]AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
IT05.04.2017
LT05.04.2017
LV05.04.2017
NL05.04.2017
PL05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SK05.04.2017
SM05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2018/10]AT05.04.2017
CZ05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
LT05.04.2017
LV05.04.2017
NL05.04.2017
PL05.04.2017
RO05.04.2017
RS05.04.2017
SE05.04.2017
SK05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2018/09]AT05.04.2017
DK05.04.2017
EE05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
LT05.04.2017
LV05.04.2017
NL05.04.2017
PL05.04.2017
RS05.04.2017
SE05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2017/50]AT05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
LT05.04.2017
LV05.04.2017
NL05.04.2017
PL05.04.2017
RS05.04.2017
SE05.04.2017
BG05.07.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2017/49]AT05.04.2017
ES05.04.2017
FI05.04.2017
HR05.04.2017
LT05.04.2017
NL05.04.2017
NO05.07.2017
GR06.07.2017
IS05.08.2017
Former [2017/48]NL05.04.2017
Documents cited:Search[A]GB2415717  (SCHLUMBERGER HOLDINGS [VG]) [A] 1-7* page 6, lines 5-12; figure 1 *;
 [A]WO2010063982  (NAT OILWELL VARCO LP [US], et al) [A] 1-7 * page 5, lines 3-12 * * page 11, line 35 - page 12, line 2 * * page 23, lines 10-12, 17-19 * * page 30, lines 25-27 *;
 [A]WO2011017627  (EXXONMOBIL UPSTREAM RES CO [US], et al) [A] 1-7 * paragraph [0106]; figure 4 *
International search[A]WO2010063982  (NAT OILWELL VARCO LP [US], et al);
 [A]  - CHRISTOFOROU, A.P. ET AL., "Active control of stick-slip vibrations: The role of fully coupled dynamics", SPE 68093, BAHREIN, (20010317), XP008173612
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.