Extract from the Register of European Patents

EP About this file: EP4248053

EP4248053 - PACKER ARRANGEMENT FOR SEALINGLY GUIDING A DRILLSTRING THERETHROUGH [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  28.11.2025
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  29.08.2025
FormerRequest for examination was made
Status updated on  25.08.2023
FormerThe international publication has been made
Status updated on  27.05.2022
Most recent event   Tooltip28.11.2025(Expected) grantpublished on 31.12.2025  [2026/01]
Applicant(s)For all designated states
Electrical Subsea & Drilling AS
Postboks 419
5343 Straume / NO
[2023/39]
Inventor(s)01 / ERIKSEN, Egil
3570 Ål / NO
 [2023/39]
Representative(s)Thot, Norman Benjamin
Thot Patent
Hauser Ring 10
40878 Ratingen / DE
[2023/39]
Application number, filing date21895204.217.11.2021
[2023/39]
WO2021NO50240
Priority number, dateNO2020000127721.11.2020         Original published format: NO 20201277
NO2021000136716.11.2021         Original published format: NO 20211367
[2023/39]
Filing languageNO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022108455
Date:27.05.2022
Language:EN
[2022/21]
Type: A1 Application with search report 
No.:EP4248053
Date:27.09.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 27.05.2022 takes the place of the publication of the European patent application.
[2023/39]
Type: B1 Patent specification 
No.:EP4248053
Date:31.12.2025
Language:EN
[2026/01]
Search report(s)International search report - published on:XN27.05.2022
(Supplementary) European search report - dispatched on:EP10.07.2024
ClassificationIPC:E21B21/08, E21B33/08, E21B33/128
[2024/32]
CPC:
E21B21/08 (EP); E21B33/128 (EP,US); E21B17/1014 (US);
E21B33/08 (EP); E21B33/1285 (US)
Former IPC [2023/39]E21B21/08, E21B33/08
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 [2023/39]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:PACKERANORDNUNG ZUR ABGEDICHTETEN DURCHFÜHRUNG EINES BOHRSTRANGS[2023/39]
English:PACKER ARRANGEMENT FOR SEALINGLY GUIDING A DRILLSTRING THERETHROUGH[2023/39]
French:AGENCEMENT DE GARNITURE D'ÉTANCHÉITÉ POUR GUIDER DE MANIÈRE ÉTANCHE UN TRAIN DE TIGES DE FORAGE À TRAVERS LUI[2023/39]
Entry into regional phase17.05.2023National basic fee paid 
17.05.2023Search fee paid 
17.05.2023Designation fee(s) paid 
17.05.2023Examination fee paid 
Examination procedure25.08.2022Request for preliminary examination filed
International Preliminary Examining Authority: XN
17.05.2023Examination requested  [2023/39]
23.01.2025Amendment by applicant (claims and/or description)
23.01.2025Date on which the examining division has become responsible
29.08.2025Communication of intention to grant the patent
12.11.2025Fee for grant paid
12.11.2025Fee for publishing/printing paid
12.11.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
24.11.2023Renewal fee patent year 03
26.11.2024Renewal fee patent year 04
26.11.2025Renewal fee patent year 05
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Documents cited:Search[X] US2015315845  (CHAMBERS JAMES W et al.) [X] 1-6 * abstract * * figures 1-3 * * paragraph [0016] - paragraph [0027] *
 [X] US2015315874  (CHAMBERS JAMES W et al.) [X] 1-6 * the whole document *
 [A] US2005241833  (BAILEY THOMAS F et al.) [A] 1-6 * the whole document *
 [A] US2015345236  (CHAMBERS JAMES W et al.) [A] 1-6 * the whole document *
International search[YA] US2005241833  (BAILEY THOMAS F et al.) [Y] 1,5-6 * paragraphs [0027], [0028], [0035], [0038], figures 1-9 *[A] 2-4
 [Y] WO2015184275  (WEATHERFORD TECHNOLOGY HOLDINGS LLC et al.) [Y] 1,5-6 * paragraphs [0028], [0030], [0033], figures 5A-6C *
by applicantNO341994
 US2005241833
 US2015315845
 US2015345236
 US2015315874
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.