(19)
(11) EP 2 076 841 A2

(12)

(88) Date of publication A3:
25.09.2008

(43) Date of publication:
08.07.2009 Bulletin 2009/28

(21) Application number: 07853676.0

(22) Date of filing: 28.09.2007
(51) International Patent Classification (IPC): 
G06F 15/16(2006.01)
(86) International application number:
PCT/US2007/079892
(87) International publication number:
WO 2008/042774 (10.04.2008 Gazette 2008/15)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 29.09.2006 US 848122 P
27.09.2007 US 863062
27.09.2007 US 863081
27.09.2007 US 863103
27.09.2007 US 863121

(71) Applicant: ION Geophysical Corporation
Houston, TX 77042-2839 (US)

(72) Inventors:
  • ELDER, Alfred, Keith
    Richmond, TX 77459 (US)
  • EPERJESI, Richard
    Stafford, TX 77477 (US)

(74) Representative: Jeffrey, Philip Michael 
Frank B. Dehn & Co. St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) SEISMIC DATA ACQUISITION SYSTEMS AND METHODS FOR MANAGING MESSAGES GENERATED BY FIELD UNITS