(19)
(11) EP 3 345 020 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:
13.10.2021 Bulletin 2021/41

(45) Mention of the grant of the patent:
25.08.2021 Bulletin 2021/34

(21) Application number: 15903277.0

(22) Date of filing: 08.09.2015
(51) International Patent Classification (IPC): 
G01V 1/36(2006.01)
G01V 1/30(2006.01)
G01V 1/38(2006.01)
(52) Cooperative Patent Classification (CPC):
G01V 1/364; G01V 1/38; G01V 2210/56; G01V 1/301; G01V 2210/324; G01V 2210/584
(86) International application number:
PCT/US2015/048909
(87) International publication number:
WO 2017/039708 (09.03.2017 Gazette 2017/10)

(54)

METHOD FOR ATTENUATING MULTIPLES

VERFAHREN ZUR UNTERDRÜCKUNG VON MEHRFACHREFLEXIONEN

PROCÉDÉ D'ATTÉNUATION DE MULTIPLES


(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: 04.09.2015 US 201514846693

(43) Date of publication of application:
11.07.2018 Bulletin 2018/28

(73) Proprietors:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)
    Designated Contracting States:
    FR 
  • GeoQuest Systems B.V.
    2586 BJ 's-Gravenhage (NL)
    Designated Contracting States:
    AL AT BE BG CH CY CZ DE DK EE ES FI 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 

(72) Inventors:
  • KOSTOV, Clement
    Houston, Texas 77042 (US)
  • WU, Jing
    Houston, Texas 77025 (US)
  • DISHBERGER, Debra McLean
    Houston, Texas 77042 (US)

(74) Representative: Schlumberger Intellectual Property Department 
Parkstraat 83
2514 JG Den Haag
2514 JG Den Haag (NL)


(56) References cited: : 
WO-A1-2013/116195
US-A1- 2009 316 527
US-A1- 2014 247 969
US-A- 5 774 417
US-A1- 2010 246 324
   
  • YANGLEI ZOU ET AL: "A new method to eliminate first order internal multiples for a normal incidence plane wave on a 1D earth", SEG TECHNICAL PROGRAM EXPANDED ABSTRACTS 2013, 19 August 2013 (2013-08-19), pages 4136-4140, XP055568479, DOI: 10.1190/segam2013-1172.1
  • YANGLEI ZOU ET AL: "An internal-multiple elimination algorithm for all first-order internal multiples for a 1D earth", SEG TECHNICAL PROGRAM EXPANDED ABSTRACTS 2015, 19 August 2015 (2015-08-19), pages 4408-4412, XP055568442, DOI: 10.1190/segam2015-5903808.1
  • J. LIRA ET AL: "Correction of primary amplitudes for plane-wave transmission loss through an acoustic or absorptive overburden with the inverse scattering series internal multiple attenuation algorithm: an initial study and 1D numerical examples", 11TH INTERNATIONAL CONGRESS OF THE BRAZILIAN GEOPHYSICAL SOCIETY & EXPOGEF 2009, SALVADOR, BAHIA, BRAZIL, 24-28 AUGUST 2009, 28 April 2009 (2009-04-28), pages 1621-1626, XP055568300, DOI: doi.org/10.1190/sbgf2009-341 ISBN: 978-1-109-46497-9
  • JING WU ET AL: "The first test and evaluation of the inverse scattering series internal multiple attenuation algorithm for an attenuating medium", SEG TECHNICAL PROGRAM EXPANDED ABSTRACTS 2014, 5 August 2014 (2014-08-05), pages 4130-4134, XP055567854, DOI: 10.1190/segam2014-1430.1
   
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).