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Extract from the Register of European Patents

EP About this file: EP4278064

EP4278064 - ABNORMAL PRESSURE DETECTION USING ONLINE BAYESIAN LINEAR REGRESSION [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.10.2023
Database last updated on 24.01.2025
FormerThe international publication has been made
Status updated on  22.07.2022
Most recent event   Tooltip18.12.2024New entry: Renewal fee paid 
Applicant(s)For:FR 
Services Pétroliers Schlumberger
42, rue Saint Dominique
75007 Paris / FR
For:AL  AT  BE  BG  CH  CY  CZ  DE  DK  EE  ES  FI  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 
GeoQuest Systems B.V.
Gevers Deynootweg 61
2586 BJ The Hague / NL
[2023/47]
Inventor(s)01 / SHEN, Tao
Beijing 100084 / CN
02 / LIU, Jia Xu
Beijing 100084 / CN
03 / LE BLAY, Florian
Beijing 100084 / CN
04 / BA, Samba
Beijing 100084 / CN
05 / CHEN, Xin
Beijing 100084 / CN
 [2023/47]
Representative(s)Schlumberger Intellectual Property Department
Parkstraat 83
2514 JG Den Haag / NL
[2023/47]
Application number, filing date22740266.617.01.2022
[2023/47]
WO2022US70213
Priority number, dateUS202163199663P15.01.2021         Original published format: US 202163199663 P
US202163199664P15.01.2021         Original published format: US 202163199664 P
[2023/47]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022155681
Date:21.07.2022
Language:EN
[2022/29]
Type: A1 Application with search report 
No.:EP4278064
Date:22.11.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 21.07.2022 takes the place of the publication of the European patent application.
[2023/47]
Search report(s)International search report - published on:KR21.07.2022
(Supplementary) European search report - dispatched on:EP22.11.2024
ClassificationIPC:E21B47/06, E21B44/00, G01V1/40, E21B21/08
[2024/52]
CPC:
E21B21/08 (EP,US); G06F30/27 (US); E21B2200/20 (EP,US);
E21B47/04 (US)
Former IPC [2023/47]E21B47/06, E21B44/00, G01V1/40
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 [2023/47]
TitleGerman:ERKENNUNG VON ABNORMALEM DRUCK MITTELS BAYESISCHER LINEARER ONLINE-REGRESSION[2023/47]
English:ABNORMAL PRESSURE DETECTION USING ONLINE BAYESIAN LINEAR REGRESSION[2023/47]
French:DÉTECTION DE PRESSION ANORMALE AU MOYEN D'UNE RÉGRESSION LINÉAIRE BAYÉSIENNE EN LIGNE[2023/47]
Entry into regional phase18.07.2023National basic fee paid 
18.07.2023Search fee paid 
18.07.2023Designation fee(s) paid 
18.07.2023Examination fee paid 
Examination procedure18.07.2023Amendment by applicant (claims and/or description)
18.07.2023Examination requested  [2023/47]
Fees paidRenewal fee
14.12.2023Renewal fee patent year 03
18.12.2024Renewal fee patent year 04
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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[A]WO2019216891  (LANDMARK GRAPHICS CORP [US]);
International search[A]US2016191163  (PRESTON DAN ALAN [US], et al);
 [A]US2016369621  (SALMINEN KENT PATRICK [US], et al);
 [A]US2017191359  (DURSUN SERKAN [US], et al);
 [A]US2020080410  (KJOSMOEN THOMAS [NO]);
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.