(19)
(11) EP 2 686 713 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:
16.11.2022 Bulletin 2022/46

(45) Mention of the grant of the patent:
12.10.2022 Bulletin 2022/41

(21) Application number: 12757334.3

(22) Date of filing: 07.03.2012
(51) International Patent Classification (IPC): 
G01V 3/18(2006.01)
(52) Cooperative Patent Classification (CPC):
G01V 3/18
(86) International application number:
PCT/US2012/028067
(87) International publication number:
WO 2012/125369 (20.09.2012 Gazette 2012/38)

(54)

MAXIMUM DEPTH OF INVESTIGATION OF MEASUREMENTS IN A FORMATION

MAXIMALE UNTERSUCHUNGSTIEFE BEI MESSUNGEN IN EINER FORMATION

PROFONDEUR MAXIMALE D'INVESTIGATION DE MESURES DANS UNE FORMATION

(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: 15.03.2011 US 201113048833

(43) Date of publication of application:
22.01.2014 Bulletin 2014/04

(73) Proprietors:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)
    Designated Contracting States:
    FR 
  • Schlumberger Technology B.V.
    2514 JG The Hague (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) Inventor:
  • DENICHOU, Jeanmi
    Houston, Texas 77055 (US)

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


(56) References cited: : 
WO-A1-2009/073277
US-A1- 2001 032 051
US-A1- 2004 149 434
US-A1- 2010 165 791
 WO-A1-2010/053840
US-A1- 2004 046 561
US-A1- 2009 157 320
US-B2- 6 937 022
   
       
    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).