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:
Jun. 09, 2015
Filed:
May. 18, 2012
Applicants:
Olivier Winter, Massy, FR;
Thomas Bianchi, Massy, FR;
Inventors:
Olivier Winter, Massy, FR;
Thomas Bianchi, Massy, FR;
Assignee:
Seabed Geosolutions AG, Laksevag, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/18 (2006.01); G01S 3/802 (2006.01); G01S 11/14 (2006.01); G01S 13/50 (2006.01); G01V 1/38 (2006.01);
U.S. Cl.
CPC ...
G01S 5/18 (2013.01); G01S 3/8022 (2013.01); G01S 11/14 (2013.01); G01S 13/505 (2013.01); G01V 1/3835 (2013.01);
Abstract
Method and system for determining positions of underwater sensors. The method includes sending a Doppler variant signal from a moving source; recording the signal with the at least one seismic sensor; evaluating a frequency drift of the recorded signal; and determining a position of the at least one seismic sensor based on the evaluated frequency drift and a source movement relative to the at least one sensor.