G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 3/12 (2006.01)
Patent
CA 2340733
A system for determining the nature of a subterranean reservoir (12) whose position and geometry is known from previous seismic surveys. An electromagnetic field (24, 25, 26, 27) is applied by a transmitter (18) on the seabed (14) and detected by antennea (21, 22, 23) also on the seabed (14). The nature of the detected reflected waves (25, 26, 27) is used to determine whether the reservoir (12) contains water or hydrocarbons.
L'invention concerne un système permettant de déterminer la nature d'un réservoir (12) souterrain dont l'emplacement et la géométrie sont établis par des relevés sismiques antérieurs. Un champ électromagnétique (24, 25, 26, 27) est appliqué à l'aide d'un émetteur (18) sur un fond marin (14) puis détecté à l'aide d'une antenne (21, 22, 23) également sur le fond marin (14). La nature des ondes (25, 26, 27) réfléchies détectées permet de déterminer si le réservoir (12) contient de l'eau ou des hydrocarbures.
Eidesmo Terge
Ellingsrud Svein
Johansen Stale
Kong Fan-Nian
Westerdahl Harald
Den Norske Stats Oljeselskap A.s.
Electromagnetic Geoservices As
Macrae & Co.
Norges Geotekniske Institutt
Statoil Asa
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