The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2005
Filed:
Apr. 16, 2002
Applicants:
Svein Ellingsrud, Trondheim, NO;
Terje Eidesmo, Ranheim, NO;
Fan-nian Kong, Oslo, NO;
Harald Westerdahl, Dal, NO;
Inventors:
Svein Ellingsrud, Trondheim, NO;
Terje Eidesmo, Ranheim, NO;
Fan-Nian Kong, Oslo, NO;
Harald Westerdahl, Dal, NO;
Assignees:
Statoil ASA, Stavanger, NO;
Norges Geotekniske Insitutt, Oslo, NO;
Primary Examiner:
Int. Cl.
CPC ...
G01V003/08 ; G01V003/12 ;
U.S. Cl.
CPC ...
Abstract
Methods and devices are disclosed for determining if hydrocarbons or water is present in a subterranean reservoir are described. Certain embodiments involve an electromagnetic field applied by a transmitter on the seabed and detected by at least one antenna also on the seabed, wherein a refracted wave component is sought in the wave field response, and is analyzed to determine the nature and contents of the resevoir.