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Extract from the Register of European Patents

EP About this file: EP3375975

EP3375975 - VARIABLE FLOW RESISTANCE FOR USE WITH A SUBTERRANEAN WELL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.06.2021
Database last updated on 28.06.2024
FormerThe patent has been granted
Status updated on  26.06.2020
FormerGrant of patent is intended
Status updated on  05.03.2020
FormerExamination is in progress
Status updated on  28.06.2019
FormerRequest for examination was made
Status updated on  22.03.2019
FormerThe application has been published
Status updated on  17.08.2018
Most recent event   Tooltip22.07.2022Lapse of the patent in a contracting state
New state(s): BE, MK		published on 24.08.2022  [2022/34]
Applicant(s)For all designated states
Halliburton Energy Services Inc.
3000 N. Sam Houston Parkway E.
Houston, Texas 77032 / US
[2019/25]
Former [2018/38]For all designated states
Halliburton Energy Services, Inc.
10200 Bellaire Blvd.
Houston, TX 77072 / US
Inventor(s)01 / DYKSTRA, Jason, D.
2601 Beltline Road
Carrollton, Texas 75006 / US
02 / FRIPP, Michael, L.
2601 Beltline Road
Carrollton, Texas 75006 / US
03 / ZHAO, Liang
2601 Beltline Road
Carrollton, Texas 75006 / US
04 / FELTEN, Frederic
2601 Beltline Road
Carrollton, Texas 75006 / US
 [2018/38]
Representative(s)Bennett, Adrian Robert J.
AA Thornton IP LLP
8th Floor, 125 Old Broad Street
London EC2N 1AR / GB
[N/P]
Former [2018/38]Bennett, Adrian Robert J.
A.A. Thornton & Co.
10 Old Bailey
London EC4M 7NG / GB
Application number, filing date18169405.007.11.2011
[2018/38]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3375975
Date:19.09.2018
Language:EN
[2018/38]
Type: B1 Patent specification 
No.:EP3375975
Date:29.07.2020
Language:EN
[2020/31]
Search report(s)(Supplementary) European search report - dispatched on:EP11.06.2018
ClassificationIPC:E21B43/12, E21B34/06
[2018/38]
CPC:
E21B43/32 (EP); E21B43/12 (EP)
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 [2019/17]
Former [2018/38]AL,  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 
TitleGerman:VARIABLER STRÖMUNGSWIDERSTAND ZUR VERWENDUNG BEI EINER UNTERIRDISCHEN BOHRUNG[2018/38]
English:VARIABLE FLOW RESISTANCE FOR USE WITH A SUBTERRANEAN WELL[2018/38]
French:SYSTÈME DE RÉSISTANCE VARIABLE À L'ÉCOULEMENT À METTRE EN OEUVRE DANS UN PUITS SOUTERRAIN[2018/38]
Examination procedure19.03.2019Amendment by applicant (claims and/or description)
19.03.2019Examination requested  [2019/17]
19.03.2019Date on which the examining division has become responsible
02.07.2019Despatch of a communication from the examining division (Time limit: M04)
15.10.2019Reply to a communication from the examining division
06.03.2020Communication of intention to grant the patent
19.06.2020Fee for grant paid
19.06.2020Fee for publishing/printing paid
19.06.2020Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP11875323.5  / EP2776660
Opposition(s)30.04.2021No opposition filed within time limit [2021/27]
Fees paidRenewal fee
26.04.2018Renewal fee patent year 03
26.04.2018Renewal fee patent year 04
26.04.2018Renewal fee patent year 05
26.04.2018Renewal fee patent year 06
26.04.2018Renewal fee patent year 07
31.08.2018Renewal fee patent year 08
05.09.2019Renewal fee patent year 09
Opt-out from the exclusive  Tooltip
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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  TooltipHU07.11.2011
AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
MK29.07.2020
MT29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
TR29.07.2020
BG29.10.2020
GR30.10.2020
IE07.11.2020
LU07.11.2020
IS29.11.2020
BE30.11.2020
CH30.11.2020
FR30.11.2020
LI30.11.2020
PT30.11.2020
[2022/33]
Former [2022/27]HU07.11.2011
AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
MT29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
TR29.07.2020
BG29.10.2020
GR30.10.2020
IE07.11.2020
LU07.11.2020
IS29.11.2020
CH30.11.2020
FR30.11.2020
LI30.11.2020
PT30.11.2020
Former [2021/48]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IE07.11.2020
LU07.11.2020
IS29.11.2020
CH30.11.2020
FR30.11.2020
LI30.11.2020
PT30.11.2020
Former [2021/46]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IE07.11.2020
LU07.11.2020
IS29.11.2020
CH30.11.2020
LI30.11.2020
PT30.11.2020
Former [2021/37]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
LU07.11.2020
IS29.11.2020
CH30.11.2020
LI30.11.2020
PT30.11.2020
Former [2021/36]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
LU07.11.2020
IS29.11.2020
PT30.11.2020
Former [2021/33]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
LU07.11.2020
IS29.11.2020
PT30.11.2020
Former [2021/31]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/28]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/25]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/22]AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SM29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/20]AT29.07.2020
DK29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
IT29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/17]AT29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/10]AT29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/09]AT29.07.2020
ES29.07.2020
FI29.07.2020
LT29.07.2020
SE29.07.2020
BG29.10.2020
GR30.10.2020
PT30.11.2020
Former [2021/08]ES29.07.2020
FI29.07.2020
LT29.07.2020
SE29.07.2020
BG29.10.2020
PT30.11.2020
Former [2021/07]FI29.07.2020
LT29.07.2020
Documents cited:Search[A]WO2010087719  (STATOIL ASA [NO], et al) [A] 1-14 * page 4, line 32 - page 5, line 8 * * page 5, line 24 - page 6, line 3 * * page 7, lines 9,10 * * figures 3a,6 *;
 [A]EP2383430  (HALLIBURTON ENERGY SERV INC [US]) [A] 1-14* paragraphs [0043] - [0047] - [0049] - [0053]; figures 6,7 *;
 [E]EP2392771  (HALLIBURTON ENERGY SERV INC [US]) [E] 1,6,8-11,14 * paragraphs [0085] , [0116]; figure 4a *;
 [E]EP2697473  (HALLIBURTON ENERGY SERVICES INC [US]) [E] 1,3,4,14 * paragraphs [0037] , [0040] , [0052] , [0063] , [0067] , [0068] * * figures 3,4,9 *
by applicantUS3385367
 US2004020662
 US7059415
 US2007257405
 US20100792117
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