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Extract from the Register of European Patents

EP About this file: EP2900786

EP2900786 - METHODS OF USING SETTABLE SPACER FLUIDS COMPRISING PUMICITE IN SUBTERRANEAN FORMATIONS [Right-click to bookmark this link]
Former [2015/32]SETTABLE SPACER FLUIDS COMPRISING PUMICITE AND METHODS OF USING SUCH FLUIDS IN SUBTERRANEAN FORMATIONS
[2019/41]
StatusThe application is deemed to be withdrawn
Status updated on  24.07.2020
Database last updated on 03.09.2024
FormerGrant of patent is intended
Status updated on  17.10.2019
FormerExamination is in progress
Status updated on  20.01.2017
Most recent event   Tooltip24.07.2020Application deemed to be withdrawnpublished on 26.08.2020  [2020/35]
Applicant(s)For all designated states
Halliburton Energy Services Inc.
3000 N. Sam Houston Parkway E.
Houston, Texas 77032 / US
[2019/25]
Former [2015/32]For all designated states
Halliburton Energy Services, Inc.
10200 Bellaire Boulevard
Houston, TX 77072 / US
Inventor(s)01 / LENDE, Gunnar
Austerheimvegen 67
N-4050 Sola / NO
02 / KARCHER, Jeffrey, Wayne
13107 Barkley Bend Lane
Houston, TX 77044 / US
 [2015/32]
Representative(s)King, Lawrence
A.A. Thornton & Co.
Octagon Point
5 Cheapside
London EC2V 6AA / GB
[N/P]
Former [2015/32]King, Lawrence
A.A. Thornton & Co.
10 Old Bailey
London EC4M 7NG / GB
Application number, filing date13841705.027.09.2013
WO2013US62096
Priority number, dateUS20121363050728.09.2012         Original published format: US201213630507
[2015/32]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014052705
Date:03.04.2014
Language:EN
[2014/14]
Type: A1 Application with search report 
No.:EP2900786
Date:05.08.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 03.04.2014 takes the place of the publication of the European patent application.
[2015/32]
Search report(s)International search report - published on:KR03.04.2014
(Supplementary) European search report - dispatched on:EP03.03.2016
ClassificationIPC:C09K8/42, E21B33/13, C04B28/18
[2016/14]
CPC:
C04B28/18 (EP); C04B28/182 (EP); C09K8/424 (EP)
C-Set:
C04B28/182, C04B14/16 (EP);
C04B28/18, C04B14/16, C04B2103/12 (EP)
Former IPC [2015/32]C09K8/40, E21B33/13
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 [2015/32]
TitleGerman:VERWENDUNG VON HÄRTBAREN SPACER-FLÜSSIGKEITEN MIT PUMICIT IN UNTERIRDISCHEN FORMATIONEN[2019/41]
English:METHODS OF USING SETTABLE SPACER FLUIDS COMPRISING PUMICITE IN SUBTERRANEAN FORMATIONS[2019/41]
French:PROCÉDÉS D'UTILISATION DE FLUIDES TAMPON DURCISSABLES COMPRENANT DE LA PUMICITE DANS DES FORMATIONS SOUTERRAINES[2019/41]
Former [2015/32]HÄRTBARE SPACER-FLÜSSIGKEITEN MIT PUMICIT SOWIE IHRE VERWENDUNG IN UNTERIRDISCHEN FORMATIONEN
Former [2015/32]SETTABLE SPACER FLUIDS COMPRISING PUMICITE AND METHODS OF USING SUCH FLUIDS IN SUBTERRANEAN FORMATIONS
Former [2015/32]FLUIDES TAMPON DURCISSABLES COMPRENANT DE LA PUMICITE ET PROCÉDÉS D'UTILISATION DE CES FLUIDES DANS DES FORMATIONS SOUTERRAINES
Entry into regional phase06.03.2015National basic fee paid 
06.03.2015Search fee paid 
06.03.2015Designation fee(s) paid 
06.03.2015Examination fee paid 
Examination procedure06.03.2015Examination requested  [2015/32]
21.09.2016Amendment by applicant (claims and/or description)
20.01.2017Despatch of a communication from the examining division (Time limit: M04)
26.05.2017Reply to a communication from the examining division
14.09.2017Despatch of a communication from the examining division (Time limit: M04)
24.01.2018Reply to a communication from the examining division
07.05.2018Despatch of a communication from the examining division (Time limit: M06)
05.11.2018Reply to a communication from the examining division
11.03.2019Despatch of a communication from the examining division (Time limit: M04)
09.05.2019Reply to a communication from the examining division
18.10.2019Communication of intention to grant the patent
29.02.2020Application deemed to be withdrawn, date of legal effect  [2020/35]
07.04.2020Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [2020/35]
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  20.01.2017
Fees paidRenewal fee
08.09.2015Renewal fee patent year 03
25.07.2016Renewal fee patent year 04
11.08.2017Renewal fee patent year 05
09.07.2018Renewal fee patent year 06
12.07.2019Renewal fee patent year 07
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Documents cited:Search[X]US2010044043  (RODDY CRAIG W [US], et al) [X] 1-5 * claims 1, 7, 8, 10 *;
 [X]US2010258312  (BRENNEIS D CHAD [US], et al) [X] 1-5 * claims 1, 5-7, 9-11 *;
 [XI]US2012227631  (RODDY CRAIG W [US], et al) [X] 1-5 * claims * * paragraph [0028] *[I] 1-15
International search[Y]US2004244650  (BROTHERS LANCE E [US]);
 [A]US7350573  (REDDY B RAGHAVA [US]);
 [X]US7867954  (WARRENDER NEIL [CA], et al);
 [X]US2011028594  (RODDY CRAIG W [US], et al);
 [X]US2011100626  (BRENNEIS CHAD [US], et al)
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.