Method of processing marine magnetic gradient data and...

Details Method of processing marine magnetic gradient data and... Method of processing marine magnetic gradient data and...

2007-12-25

2007-12-25

West, Jeffrey R. (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Error due to component compatibility

C702S005000, C702S179000, C702S180000, C702S189000, C702S190000, C073S170330, C367S016000

Reexamination Certificate

active

10538709

ABSTRACT:
A method of processing marine magnetic data is disclosed which comprises towing first and second magnetometers M1and M2behind a ship (10). Raw magnetic gradient data is obtained from the sensors and the trend of the gradient of the ship bias detected by the sensors determined. The method includes subtracting the trend from the raw magnetic gradient data to obtain corrected gradient data, and processing the corrected gradient data to provide a data output.

REFERENCES:
patent: 3875497 (1975-04-01), Madsen
patent: 4515013 (1985-05-01), Hue
patent: 4739262 (1988-04-01), Fleetwood
patent: 4986121 (1991-01-01), Luscombe
patent: 5218300 (1993-06-01), Gouhier-Beraud

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