(19)
(11) EP 2 691 606 A2

(12)

(88) Date of publication A3:
21.11.2013

(43) Date of publication:
05.02.2014 Bulletin 2014/06

(21) Application number: 12714855.9

(22) Date of filing: 28.03.2012
(51) International Patent Classification (IPC): 
E21B 47/16(2006.01)
H04B 11/00(2006.01)
(86) International application number:
PCT/IB2012/051493
(87) International publication number:
WO 2012/131600 (04.10.2012 Gazette 2012/40)
(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: 30.03.2011 US 201113075567

(71) Applicants:
  • Schlumberger Technology B.V.
    2514 JG The Hague (NL)

    AL BG CZ DE DK GR HU IE IT LT NO PL RO SI SK TR 
  • Schlumberger Holdings Limited
    Roadtown, Tortola 1110 (VG)

    GB NL 
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Prad Research And Development Limited
    Tortola 1110 (VG)

    AL AT BE BG CH CY EE ES FI HR IS LI LU LV MC MK MT PT RS SE SK SM 

(72) Inventors:
  • MILLOT, Guillaume
    F-33000 Bordeaux (FR)
  • FROELICH, Benoit
    F-78160 Marly Le Roi (FR)

(74) Representative: Ford, Michael Frederick et al
Schlumberger Cambridge Research Limited High Cross Madingley Road
Cambridge CB3 0EL
Cambridge CB3 0EL (GB)

   


(54) TRANSMITTER AND RECEIVER SYNCHRONIZATION FOR WIRELESS TELEMETRY SYSTEMS