(19)
(11) EP 3 097 345 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.11.2023 Bulletin 2023/47

(45) Mention of the grant of the patent:
23.08.2023 Bulletin 2023/34

(21) Application number: 14880322.4

(22) Date of filing: 16.12.2014
(51) International Patent Classification (IPC): 
B01F 23/50(2022.01)
B01F 25/431(2022.01)
B01F 35/92(2022.01)
B01F 101/49(2022.01)
F17D 1/17(2006.01)
B01F 25/32(2022.01)
B01F 25/433(2022.01)
B01F 35/90(2022.01)
F17D 3/12(2006.01)
F15D 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F17D 1/17; B01F 23/59; B01F 25/32; B01F 25/431; B01F 25/431971; B01F 25/4331; B01F 35/92; B01F 2035/99; B01F 2101/49
(86) International application number:
PCT/US2014/070596
(87) International publication number:
WO 2015/112281 (30.07.2015 Gazette 2015/30)

(54)

SYSTEMS AND METHODS FOR TREATING FLUIDS

SYSTEME UND VERFAHREN ZUR BEHANDLUNG VON FLÜSSIGKEITEN

SYSTÈMES ET PROCÉDÉS POUR LE TRAITEMENT DES FLUIDES


(84) Designated Contracting States:
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

(30) Priority: 24.01.2014 US 201461931047 P
04.12.2014 US 201414560538

(43) Date of publication of application:
30.11.2016 Bulletin 2016/48

(73) Proprietor: Baker Hughes Holdings LLC
Houston, TX 77073 (US)

(72) Inventors:
  • KOMMAREDDI, Nagesh S.
    Tulsa, OK 74137 (US)
  • FAIRCHILD, Keith D
    Sand Springs, OK 74063 (US)
  • WARD, Jack B.
    Tulsa, OK 74101 (US)
  • CHOU, Lu-chien
    Tulsa, OK 74137 (US)
  • REED, Daniel L.
    Benicia, CA 94510 (US)

(74) Representative: Novagraaf Group 
Chemin de l'Echo 3
1213 Onex / Geneva
1213 Onex / Geneva (CH)


(56) References cited: : 
WO-A1-93/19009
US-A- 3 601 079
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US-A- 5 165 440
US-A1- 2002 086 969
US-A1- 2012 004 343
US-A1- 2012 127 820
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US-A- 4 340 076
US-A- 4 958 653
US-A- 5 346 617
US-A1- 2008 047 614
US-A1- 2012 004 343
US-A1- 2012 231 982
   
  • SHAH S N ET AL: "Drag reduction characteristics in straight and coiled tubing - An experimental study", JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, ELSEVIER, AMSTERDAM, NL, vol. 53, no. 3-4, 1 September 2006 (2006-09-01), pages 179-188, XP027974902, ISSN: 0920-4105 [retrieved on 2006-09-01]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).