blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3658645

EP3658645 - IN-SITU SURFACTANT RETENTION EVALUATION USING SINGLE WELL CHEMICAL TRACER TESTS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.08.2023
Database last updated on 20.12.2024
FormerThe patent has been granted
Status updated on  09.09.2022
FormerGrant of patent is intended
Status updated on  24.04.2022
FormerRequest for examination was made
Status updated on  01.05.2020
FormerThe international publication has been made
Status updated on  02.02.2019
Most recent event   Tooltip15.11.2024Lapse of the patent in a contracting state
New state(s): BG		published on 18.12.2024  [2024/51]
Applicant(s)For all designated states
ConocoPhillips Company
925 N. Eldridge Parkway
Houston, Texas 77079 / US
[2020/23]
Inventor(s)01 / LI, Gaoming
c/o ConocoPhillips Company
925 N. Eldridge Parkway
Houston, Texas 77079 / US
02 / NEEDHAM, Riley B.
c/o ConocoPhillips Company
925 N. Eldridge Parkway
Houston, Texas 77079 / US
03 / SOLAIRAJ, Sriram
c/o ConocoPhillips Company
925 N. Eldridge Parkway
Houston, Texas 77079 / US
 [2022/41]
Former [2020/23]01 / LI, Gaoming
c/o ConocoPhillips Company
600 N. Dairy Ashford
Atten: Legal Technology&IP Dept.
Houston, Texas 77079 / US
02 / NEEDHAM, Riley B.
c/o ConocoPhillips Company
600 N. Dairy Ashford
Atten: Legal Technology&IP Dept.
Houston, Texas 77079 / US
03 / SOLAIRAJ, Sriram
c/o ConocoPhillips Company
600 N. Dairy Ashford
Atten: Legal Technology&IP Dept.
Houston, Texas 77079 / US
Representative(s)Greaves Brewster LLP
Copa House
Station Road
Cheddar, Somerset BS27 3AH / GB
[2020/23]
Application number, filing date18838334.323.07.2018
[2020/23]
WO2018US43235
Priority number, dateUS201762537091P26.07.2017         Original published format: US 201762537091 P
[2020/23]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019023100
Date:31.01.2019
Language:EN
[2019/05]
Type: A1 Application with search report 
No.:EP3658645
Date:03.06.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 31.01.2019 takes the place of the publication of the European patent application.
[2020/23]
Type: B1 Patent specification 
No.:EP3658645
Date:12.10.2022
Language:EN
[2022/41]
Search report(s)International search report - published on:US31.01.2019
(Supplementary) European search report - dispatched on:EP30.03.2021
ClassificationIPC:C09K8/584, C09K8/588, E21B43/16
[2020/23]
CPC:
E21B43/16 (EP,US); G01N33/2823 (EP,US); E21B47/11 (EP,US);
E21B49/008 (US); E21B49/088 (US); G01N33/241 (US);
C07B59/004 (US); Y10T436/13 (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 [2020/23]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:IN-SITU-TENSID-RETENTIONSBEURTEILUNG UNTER VERWENDUNG VON CHEMISCHEN SINGLE-WELL-TRACERTESTS[2020/23]
English:IN-SITU SURFACTANT RETENTION EVALUATION USING SINGLE WELL CHEMICAL TRACER TESTS[2020/23]
French:ÉVALUATION DE RÉTENTION DE TENSIOACTIF IN SITU AU MOYEN DE TESTS DE TRACEUR CHIMIQUE DE PUITS UNIQUE[2020/23]
Entry into regional phase24.02.2020National basic fee paid 
24.02.2020Search fee paid 
24.02.2020Designation fee(s) paid 
24.02.2020Examination fee paid 
Examination procedure24.02.2020Examination requested  [2020/23]
25.04.2022Communication of intention to grant the patent
02.09.2022Fee for grant paid
02.09.2022Fee for publishing/printing paid
02.09.2022Receipt of the translation of the claim(s)
Opposition(s)13.07.2023No opposition filed within time limit [2023/38]
Fees paidRenewal fee
22.07.2020Renewal fee patent year 03
20.07.2021Renewal fee patent year 04
21.07.2022Renewal 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  TooltipAL12.10.2022
AT12.10.2022
BG12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
IT12.10.2022
LT12.10.2022
LV12.10.2022
MC12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
[2024/51]
Former [2024/26]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
IT12.10.2022
LT12.10.2022
LV12.10.2022
MC12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2024/14]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
MC12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/51]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/38]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SK12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/37]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/35]AT12.10.2022
CZ12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/34]AT12.10.2022
DK12.10.2022
EE12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/33]AT12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/25]AT12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RS12.10.2022
SE12.10.2022
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/23]AT12.10.2022
ES12.10.2022
FI12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
SE12.10.2022
GR13.01.2023
PT13.02.2023
Former [2023/22]AT12.10.2022
ES12.10.2022
FI12.10.2022
LT12.10.2022
NL12.10.2022
SE12.10.2022
PT13.02.2023
Former [2023/20]LT12.10.2022
NL12.10.2022
Former [2023/17]NL12.10.2022
Documents cited:Search[A]US3623842  (DEANS HARRY A) [A] 1 * the whole document *;
 [A]US4168746  (SHEELY CLYDE Q) [A] 1* the whole document *;
 [A]US4273187  (SATTER ABDUS, et al) [A] 1 * the whole document *
International search[A]US3623842  (DEANS HARRY A) [A] 1-7 * Entire document *;
 [Y]US4168746  (SHEELY CLYDE Q) [Y] 1-7 * Abstract, Col 1 lines 6-7; Col 3 lines 27-29, 37-39, 63-68; Col 4 lines 67-68; Col 5 lines 4-7, 63-66; Col 6 lines 25-27, 35-39; Col 10 lines 32-36, 66-68; Col 11 lines 1-3; Table 6 *;
 [Y]US4273187  (SATTER ABDUS, et al) [Y] 1-7 * Col 1 lines 43-44; Col 3 lines 16-19; Col 5 line 39; Col 7 lines 21-24; Table 1, Figures 8-9; *;
 [A]US4278128  (SATTER ABDUS, et al) [A] 1-7 * Entire document *;
 [A]US2014034306  (SOUTHWICK JEFFREY GEORGE [US], et al) [A] 1-7 * Entire document *;
 [A]  - MIKALSEN, "Numerical Simulation of an Ekofisk Single Well Chemical Tracer Test", Numerical Simulation of an Ekofisk Single Well Chemical Tracer Test, (20140600), URL: h ttps://brage.bibsys.no/xmlui/bitstream/handle/11250/2444480/11419 _FULLTEXT.pdf?sequenc e=1, (20180926), XP055575747 [A] 1-7 * ); Entire document *
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.